cheap flights to las vegas

18

Sep
2019

Cheap Flights to Las Vegas from Edmonton

Posted By : Mady/ 804

Cheap Flights to Las Vegas from Edmonton?

Flight Prices for a Month from Edmonton to Las Vegas, One Way

Departure atStopsFind tickets
28 July 20241 StopOW tickets from 280
28 July 20241 StopOW tickets from 280
28 July 20242 StopsOW tickets from 284
28 July 20242 StopsOW tickets from 284
30 July 20241 StopOW tickets from 286
29 July 20241 StopOW tickets from 294
27 July 20242 StopsOW tickets from 306
27 July 20241 StopOW tickets from 306
30 July 20242 StopsOW tickets from 313
27 July 20242 StopsOW tickets from 321
27 July 20241 StopOW tickets from 321
27 July 20241 StopOW tickets from 321
30 July 20242 StopsOW tickets from 328
28 July 20241 StopOW tickets from 333
28 July 20241 StopOW tickets from 348
28 July 20242 StopsOW tickets from 358
27 July 20242 StopsOW tickets from 367
29 July 20241 StopOW tickets from 370
30 July 20241 StopOW tickets from 378
30 July 20242 StopsOW tickets from 378
27 July 20241 StopOW tickets from 389
28 July 20241 StopOW tickets from 392
30 July 20242 StopsOW tickets from 395
30 July 20242 StopsOW tickets from 399
28 July 20241 StopOW tickets from 415
28 July 20242 StopsOW tickets from 427
28 July 20242 StopsOW tickets from 427
29 July 20242 StopsOW tickets from 432
30 July 20241 StopOW tickets from 435
29 July 20241 StopOW tickets from 452
19 August 2024DirectOW tickets from 191
25 August 2024DirectOW tickets from 191
25 August 2024DirectOW tickets from 191
25 August 2024DirectOW tickets from 191
26 August 2024DirectOW tickets from 191
26 August 2024DirectOW tickets from 191
19 August 2024DirectOW tickets from 202
24 August 2024DirectOW tickets from 202
25 August 2024DirectOW tickets from 202
31 August 2024DirectOW tickets from 202
12 August 2024DirectOW tickets from 206
13 August 20241 StopOW tickets from 206
14 August 20241 StopOW tickets from 206
16 August 2024DirectOW tickets from 206
17 August 2024DirectOW tickets from 206
17 August 20241 StopOW tickets from 206
19 August 2024DirectOW tickets from 206
19 August 20242 StopsOW tickets from 206
19 August 20241 StopOW tickets from 206
20 August 20242 StopsOW tickets from 206
20 August 20241 StopOW tickets from 206
20 August 2024DirectOW tickets from 206
21 August 20242 StopsOW tickets from 206
22 August 20242 StopsOW tickets from 206
23 August 20242 StopsOW tickets from 206
24 August 2024DirectOW tickets from 206
25 August 20241 StopOW tickets from 206
25 August 20241 StopOW tickets from 206
25 August 20242 StopsOW tickets from 206
26 August 20242 StopsOW tickets from 206

Flights from Edmonton to Las Vegas for the Next Few Days

Departure atStopsFind tickets
28 July 20241 StopTickets from 280
28 July 20241 StopTickets from 280
28 July 20242 StopsTickets from 284
28 July 20242 StopsTickets from 284
30 July 20241 StopTickets from 286
29 July 20241 StopTickets from 294
27 July 20242 StopsTickets from 306
27 July 20241 StopTickets from 306
30 July 20242 StopsTickets from 313
27 July 20242 StopsTickets from 321
27 July 20241 StopTickets from 321
27 July 20241 StopTickets from 321
30 July 20242 StopsTickets from 328
28 July 20241 StopTickets from 333
28 July 20241 StopTickets from 348
28 July 20242 StopsTickets from 358
27 July 20242 StopsTickets from 367
29 July 20241 StopTickets from 370
30 July 20241 StopTickets from 378
30 July 20242 StopsTickets from 378
27 July 20241 StopTickets from 389
28 July 20241 StopTickets from 392
30 July 20242 StopsTickets from 395
30 July 20242 StopsTickets from 399
28 July 20241 StopTickets from 415
28 July 20242 StopsTickets from 427
28 July 20242 StopsTickets from 427
29 July 20242 StopsTickets from 432
30 July 20241 StopTickets from 435
29 July 20241 StopTickets from 452

The Cheapest Round-trip Tickets from Edmonton to Las Vegas

Departure atReturn atStopsAirlineFind tickets
3 September 202417 September 2024DirectWestjetTickets from 164

The Cheapest Flights for this Month from Edmonton to Las Vegas

Departure atReturn atStopsAirlineFind tickets
26 July 202430 July 20241 StopWestjetTickets from 1 734
27 July 202421 August 20242 StopsWestjetTickets from 283
28 July 20242 August 20241 StopAlaska AirlinesTickets from 280
29 July 202421 August 20241 StopWestjetTickets from 282
30 July 20243 August 20241 StopWestjetTickets from 251
31 July 202413 August 20242 StopsWestjetTickets from 507
1 August 20243 August 20241 StopAlaska AirlinesTickets from 340
2 August 20246 August 20241 StopWestjetTickets from 348
3 August 202428 August 20241 StopWestjetTickets from 282
4 August 20247 August 20241 StopWestjetTickets from 310
5 August 202414 August 20241 StopUnited AirlinesTickets from 368
6 August 202428 August 20242 StopsAlaska AirlinesTickets from 331
7 August 20244 September 20242 StopsAlaska AirlinesTickets from 431
8 August 20244 September 20241 StopWestjetTickets from 338
9 August 20244 September 20241 StopAir CanadaTickets from 270
10 August 20244 September 20241 StopWestjetTickets from 206
11 August 20244 September 20241 StopWestjetTickets from 233
12 August 20244 September 2024DirectWestjetTickets from 206
13 August 20244 September 20241 StopWestjetTickets from 206
14 August 202411 September 20241 StopWestjetTickets from 206
15 August 202411 September 20241 StopWestjetTickets from 225
16 August 202411 September 20241 StopWestjetTickets from 206
17 August 202411 September 20241 StopWestjetTickets from 206
18 August 202411 September 20241 StopWestjetTickets from 225
19 August 202411 September 2024DirectWestjetTickets from 191
20 August 202411 September 20242 StopsWestjetTickets from 206
21 August 202418 September 2024DirectWestjetTickets from 206
22 August 202417 September 20242 StopsWestjetTickets from 206
23 August 202418 September 20242 StopsWestjetTickets from 206
24 August 202418 September 2024DirectWestjetTickets from 191
25 August 20243 September 2024DirectWestjetTickets from 191
26 August 20243 September 2024DirectWestjetTickets from 191
27 August 20243 September 2024DirectWestjetTickets from 179
28 August 20244 September 20241 StopWestjetTickets from 206
29 August 20244 September 20242 StopsWestjetTickets from 206
30 August 20243 September 2024DirectWestjetTickets from 191
31 August 20243 September 2024DirectWestjetTickets from 191
1 September 20244 September 2024DirectWestjetTickets from 176
2 September 202411 September 2024DirectWestjetTickets from 176
3 September 202425 September 2024DirectWestjetTickets from 164
4 September 202411 September 20241 StopWestjetTickets from 183
5 September 202411 September 20241 StopWestjetTickets from 202
6 September 202410 September 2024DirectWestjetTickets from 176
7 September 202411 September 2024DirectWestjetTickets from 176
8 September 202410 September 2024DirectWestjetTickets from 176
9 September 202417 September 2024DirectWestjetTickets from 176
10 September 202424 September 2024DirectWestjetTickets from 164
11 September 20249 October 20242 StopsWestjetTickets from 183
12 September 202417 September 20241 StopWestjetTickets from 221
13 September 202418 September 2024DirectWestjetTickets from 176
14 September 202417 September 2024DirectWestjetTickets from 176
15 September 202417 September 2024DirectWestjetTickets from 176
16 September 20249 October 2024DirectWestjetTickets from 176
17 September 20249 October 2024DirectWestjetTickets from 164
18 September 202424 September 20242 StopsWestjetTickets from 183
19 September 202424 September 20241 StopAlaska AirlinesTickets from 246
20 September 202424 September 2024DirectWestjetTickets from 221
21 September 202424 September 2024DirectWestjetTickets from 176
22 September 202425 September 2024DirectWestjetTickets from 176
23 September 202425 September 20241 StopWestjetTickets from 202
24 September 202425 September 2024DirectWestjetTickets from 164
25 September 20249 October 20242 StopsWestjetTickets from 183
26 September 202423 October 20241 StopWestjetTickets from 221
27 September 202423 October 20241 StopAlaska AirlinesTickets from 229
28 September 20242 October 2024DirectWestjetTickets from 176
29 September 20248 October 2024DirectWestjetTickets from 176
30 September 202423 October 2024DirectWestjetTickets from 176
1 October 20249 October 2024DirectWestjetTickets from 164
2 October 20248 October 2024DirectWestjetTickets from 164
3 October 20248 October 20241 StopWestjetTickets from 202
4 October 20248 October 2024DirectWestjetTickets from 176
5 October 20248 October 2024DirectWestjetTickets from 176
6 October 20248 October 2024DirectWestjetTickets from 176
7 October 20249 October 2024DirectWestjetTickets from 176
8 October 202422 October 2024DirectWestjetTickets from 164
9 October 202412 October 20241 StopWestjetTickets from 195
10 October 202419 October 2024DirectWestjetTickets from 233
11 October 202418 October 20241 StopWestjetTickets from 240
12 October 202417 October 2024DirectWestjetTickets from 186
13 October 202417 October 2024DirectWestjetTickets from 186
14 October 202417 October 2024DirectWestjetTickets from 186
15 October 202422 October 2024DirectWestjetTickets from 164
16 October 202422 October 20241 StopWestjetTickets from 183
17 October 202422 October 20241 StopWestjetTickets from 221
18 October 202422 October 20241 StopWestjetTickets from 221
19 October 202422 October 2024DirectWestjetTickets from 176
20 October 202422 October 2024DirectWestjetTickets from 176
21 October 202425 October 2024DirectWestjetTickets from 186
22 October 202424 October 2024DirectWestjetTickets from 176
23 October 202425 October 2024DirectWestjetTickets from 195
24 October 202426 October 2024DirectWestjetTickets from 186
25 October 202426 October 2024DirectWestjetTickets from 186
26 October 202430 October 2024DirectWestjetTickets from 195
27 October 20246 November 2024DirectWestjetTickets from 217
28 October 20246 November 2024DirectWestjetTickets from 217
29 October 20245 November 2024DirectWestjetTickets from 202
30 October 20246 November 2024DirectWestjetTickets from 202
31 October 20246 November 2024DirectWestjetTickets from 218
1 November 20245 November 2024DirectWestjetTickets from 225
2 November 20245 November 20241 StopWestjetTickets from 244
3 November 20246 November 2024DirectWestjetTickets from 225
4 November 20246 November 2024DirectWestjetTickets from 225
5 November 202427 November 2024DirectWestjetTickets from 209
6 November 202413 November 2024DirectWestjetTickets from 202
7 November 20244 December 2024DirectWestjetTickets from 369
8 November 202413 November 20241 StopWestjetTickets from 263
9 November 202413 November 20241 StopWestjetTickets from 263
10 November 202413 November 2024DirectWestjetTickets from 225
11 November 202413 November 2024DirectWestjetTickets from 218
12 November 20244 December 2024DirectWestjetTickets from 209
13 November 202411 December 2024DirectWestjetTickets from 217
14 November 202421 November 20241 StopWestjetTickets from 259
15 November 202419 November 20241 StopWestjetTickets from 263
16 November 202419 November 20241 StopWestjetTickets from 244
17 November 202421 November 2024DirectWestjetTickets from 233
18 November 202427 November 2024DirectWestjetTickets from 218
19 November 202424 November 20241 StopWestjetTickets from 244
20 November 202427 November 2024DirectWestjetTickets from 202
21 November 202411 December 2024DirectWestjetTickets from 233
22 November 202427 November 2024DirectWestjetTickets from 233
23 November 202411 December 20242 StopsWestjetTickets from 251
24 November 202427 November 2024DirectWestjetTickets from 217
25 November 20244 December 2024DirectWestjetTickets from 225
26 November 20242 December 2024DirectWestjetTickets from 225
27 November 202427 November 2024DirectWestjetTickets from 218
28 November 20243 December 20242 StopsWestjetTickets from 253
29 November 20244 December 20241 StopWestjetTickets from 253
30 November 20246 December 20241 StopWestjetTickets from 267
1 December 20244 December 2024DirectWestjetTickets from 233
2 December 202411 December 2024DirectWestjetTickets from 233
3 December 202411 December 2024DirectWestjetTickets from 218
4 December 202411 December 2024DirectWestjetTickets from 217
5 December 202410 December 20241 StopWestjetTickets from 361
6 December 202410 December 20241 StopWestjetTickets from 270
7 December 202425 December 20241 StopWestjetTickets from 286
8 December 202415 December 2024DirectWestjetTickets from 248
9 December 202411 December 2024DirectWestjetTickets from 233
10 December 202415 December 2024DirectWestjetTickets from 233
11 December 202415 December 2024DirectWestjetTickets from 233
12 December 202415 December 20241 StopWestjetTickets from 267
13 December 202415 December 20241 StopWestjetTickets from 267
14 December 202417 December 20242 StopsWestjetTickets from 286
15 December 202418 December 2024DirectWestjetTickets from 267
16 December 202418 December 2024DirectWestjetTickets from 301
17 December 202421 December 20242 StopsWestjetTickets from 324
18 December 202425 December 2024DirectWestjetTickets from 286
19 December 202422 December 20241 StopWestjetTickets from 405
20 December 202423 December 2024DirectWestjetTickets from 317
21 December 202424 December 20242 StopsWestjetTickets from 343
22 December 20241 January 2025DirectWestjetTickets from 301
23 December 202427 December 2024DirectWestjetTickets from 317
24 December 202431 December 20241 StopWestjetTickets from 286
25 December 202431 December 20241 StopWestjetTickets from 323
26 December 20241 January 2025DirectWestjetTickets from 301
27 December 202431 December 20241 StopWestjetTickets from 301
28 December 20241 January 20252 StopsWestjetTickets from 343
29 December 20241 January 2025DirectWestjetTickets from 302
30 December 20241 January 2025DirectWestjetTickets from 302
31 December 20242 January 20251 StopWestjetTickets from 340
1 January 20255 January 2025DirectWestjetTickets from 301
2 January 20255 January 2025DirectWestjetTickets from 317
3 January 20255 January 2025DirectWestjetTickets from 317
4 January 20258 January 20252 StopsWestjetTickets from 339
5 January 20259 January 2025DirectWestjetTickets from 339
6 January 202510 January 20251 StopWestjetTickets from 361
7 January 202510 January 2025DirectWestjetTickets from 362
8 January 202515 January 2025DirectWestjetTickets from 409
9 January 202513 January 20252 StopsWestjetTickets from 361
10 January 202517 January 20251 StopWestjetTickets from 361
11 January 202517 January 20252 StopsWestjetTickets from 362
12 January 202515 January 2025DirectWestjetTickets from 361
14 January 202521 January 20251 StopAir CanadaTickets from 365
15 January 202520 January 20251 StopWestjetTickets from 361
16 January 202512 February 20251 StopWestjetTickets from 361
17 January 202519 January 2025DirectWestjetTickets from 361
18 January 202522 January 20252 StopsWestjetTickets from 361
19 January 202525 January 20251 StopWestjetTickets from 361
20 January 202525 January 20251 StopWestjetTickets from 361
21 January 202512 February 20251 StopWestjetTickets from 409
23 January 202527 January 20252 StopsWestjetTickets from 361
24 January 202526 January 20251 StopWestjetTickets from 361
25 January 20251 February 20251 StopWestjetTickets from 361
26 January 202530 January 20251 StopUnited AirlinesTickets from 375
27 January 202531 January 20251 StopWestjetTickets from 361
28 January 202528 January 20251 StopWestjetTickets from 361
31 January 20252 February 20251 StopWestjetTickets from 361
1 February 20258 February 20251 StopWestjetTickets from 362
2 February 20259 February 2025DirectWestjetTickets from 362
3 February 20257 February 20252 StopsAir CanadaTickets from 366
6 February 202513 February 20251 StopWestjetTickets from 361
7 February 202510 February 20252 StopsWestjetTickets from 361
10 February 202516 February 2025DirectWestjetTickets from 385
12 February 202517 February 2025DirectWestjetTickets from 385
13 February 202516 February 20252 StopsWestjetTickets from 384
14 February 202517 February 20251 StopWestjetTickets from 384
15 February 202518 February 20252 StopsWestjetTickets from 385
16 February 202520 February 20251 StopWestjetTickets from 408
18 February 202522 February 20251 StopWestjetTickets from 408
19 February 202523 February 20251 StopWestjetTickets from 408
20 February 202523 February 20251 StopWestjetTickets from 408
21 February 202523 February 20251 StopWestjetTickets from 408
24 February 202524 February 2025DirectWestjetTickets from 408
26 February 20251 March 20252 StopsWestjetTickets from 408
28 February 20252 March 20252 StopsWestjetTickets from 408
1 March 20255 March 20252 StopsWestjetTickets from 408
2 March 20256 March 2025DirectWestjetTickets from 408
3 March 202510 March 20251 StopWestjetTickets from 408
4 March 20255 March 2025DirectWestjetTickets from 408
5 March 20252 April 20251 StopWestjetTickets from 408
7 March 20252 April 20252 StopsWestjetTickets from 408
8 March 20252 April 20252 StopsWestjetTickets from 408
9 March 202513 March 20251 StopWestjetTickets from 408
10 March 202512 March 2025DirectWestjetTickets from 408
11 March 202512 March 20251 StopWestjetTickets from 408
12 March 202512 March 2025DirectWestjetTickets from 408
14 March 202514 March 2025DirectWestjetTickets from 409
15 March 202520 March 20252 StopsWestjetTickets from 409
16 March 202531 March 20251 StopWestjetTickets from 408
20 March 202523 March 2025DirectWestjetTickets from 408
21 March 202526 March 2025DirectWestjetTickets from 408
22 March 202525 March 20251 StopWestjetTickets from 408
23 March 202530 March 20251 StopWestjetTickets from 409
24 March 202528 March 20252 StopsWestjetTickets from 408
27 March 20255 April 20251 StopWestjetTickets from 408
30 March 20255 April 20251 StopWestjetTickets from 408
1 April 20255 April 20251 StopWestjetTickets from 408
2 April 20256 April 2025DirectWestjetTickets from 409
3 April 20256 April 20251 StopWestjetTickets from 408
4 April 202530 April 20251 StopWestjetTickets from 408
5 April 202530 April 20252 StopsWestjetTickets from 408
6 April 202530 April 20251 StopWestjetTickets from 408
9 April 202513 April 20251 StopWestjetTickets from 409
11 April 202514 April 20252 StopsWestjetTickets from 408
14 April 202518 April 20252 StopsUnited AirlinesTickets from 737
16 April 202521 April 20251 StopWestjetTickets from 408
17 April 202521 April 2025DirectWestjetTickets from 408
18 April 202521 April 2025DirectWestjetTickets from 408
19 April 202514 May 20251 StopWestjetTickets from 408
20 April 202514 May 20251 StopWestjetTickets from 408
21 April 202524 April 20251 StopWestjetTickets from 408
22 April 202514 May 20251 StopWestjetTickets from 408
23 April 202521 May 20252 StopsWestjetTickets from 408
24 April 202527 April 2025DirectWestjetTickets from 408
25 April 202521 May 20252 StopsWestjetTickets from 408
26 April 202521 May 20251 StopWestjetTickets from 408
27 April 202521 May 20251 StopWestjetTickets from 408
28 April 202521 May 2025DirectWestjetTickets from 408
29 April 202521 May 2025DirectWestjetTickets from 408
30 April 202528 May 2025DirectWestjetTickets from 408
1 May 202528 May 20252 StopsWestjetTickets from 408
3 May 202514 May 2025DirectWestjetTickets from 408
4 May 202528 May 20251 StopWestjetTickets from 408
5 May 202527 May 20252 StopsWestjetTickets from 408
7 May 20254 June 20252 StopsWestjetTickets from 408
9 May 202512 May 2025DirectWestjetTickets from 409
13 May 202520 May 20252 StopsWestjetTickets from 409
14 May 202511 June 2025DirectWestjetTickets from 408
15 May 202520 May 20252 StopsWestjetTickets from 408
17 May 202511 June 2025DirectWestjetTickets from 408
18 May 202522 May 20252 StopsWestjetTickets from 409
19 May 202511 June 20251 StopWestjetTickets from 409
20 May 202511 June 2025DirectWestjetTickets from 409
21 May 202518 June 20252 StopsWestjetTickets from 408
22 May 202526 May 2025DirectWestjetTickets from 408
28 May 20251 June 20251 StopWestjetTickets from 408
2 June 20256 June 20252 StopsWestjetTickets from 408
4 June 20252 July 20251 StopAir CanadaTickets from 552
8 June 202514 June 20251 StopWestjetTickets from 408
13 June 202516 June 20251 StopWestjetTickets from 408

The Cheapest Flights from Edmonton to Las Vegas for the Year Ahead

Departure atReturn atStopsAirlineFind tickets
30 July 20243 August 20241 StopWestjetTickets from 251
27 August 20244 September 2024DirectWestjetTickets from 179
3 September 202417 September 2024DirectWestjetTickets from 164
1 October 20248 October 2024DirectWestjetTickets from 164
20 November 202427 November 2024DirectWestjetTickets from 202
4 December 202411 December 2024DirectWestjetTickets from 217
1 January 20255 January 2025DirectWestjetTickets from 301
6 February 202513 February 20251 StopWestjetTickets from 361
2 March 20256 March 2025DirectWestjetTickets from 408
3 April 20255 April 20252 StopsWestjetTickets from 408
3 May 202514 May 2025DirectWestjetTickets from 408
2 June 20256 June 20252 StopsWestjetTickets from 408

Direct Flights from Edmonton to Las Vegas

Departure atReturn atAirlineFind tickets
29 July 202431 July 2024WestjetTickets from 947
19 August 202427 August 2024WestjetTickets from 206
10 September 202417 September 2024WestjetTickets from 164
1 October 20249 October 2024WestjetTickets from 164

 

Looking for Hotels in Las Vages?

Hotels Las Vegas: Hotels in the center

HotelStarsDiscountPrice before and discountSelect dates
Best Western Plus Casino Royale - Center Strip★★★-15%174 147 View Hotel
The Westin Las Vegas Hotel & Spa★★★★-12%295 260 View Hotel
Marriott's Grand Chateau★★★★-6%348 328 View Hotel
The Carriage House★★★-28%232 168 View Hotel
Polo Towers By Diamond Resorts★★★-29%157 112 View Hotel
NoMad Las Vegas★★★★★-33%334 223 View Hotel
Homewood Suites By Hilton Las Vegas City Center★★★-18%206 169 View Hotel
Hilton Garden Inn Las Vegas City Center★★★-35%241 158 View Hotel
Club Wyndham Grand Desert★★★-29%185 131 View Hotel
Residence Inn by Marriott Las Vegas Hughes Center★★★-5%250 237 View Hotel
Club Wyndham Desert Blue★★★★-21%166 131 View Hotel
Sonesta Simply Suites Las Vegas★★★-25%164 124 View Hotel
Fairfield Inn Las Vegas Convention Center★★★-33%234 158 View Hotel
Motel 6-Las Vegas, NV - Tropicana★★-26%108 80 View Hotel
TownePlace Suites by Marriott Las Vegas City Center★★★-44%279 158 View Hotel
Hampton Inn Tropicana Las Vegas★★★-20%183 146 View Hotel
Motel 6-Las Vegas, NV - I-15★★-26%105 78 View Hotel
Bluegreen Vacations Club 36★★★-17%163 135 View Hotel
Desert Rose Resort★★★-27%178 131 View Hotel
Embassy Suites by Hilton Convention Center Las Vegas★★★-29%215 152 View Hotel

 

Looking for Maps in Las Vages?

 

People, who search for Cheap flights to Las Vages from Edmonton also search for?

  • cheap flights to las vegas from toronto
  • cheap flights to las vegas from new york
  • cheap flights to las vegas from vancouver
  • cheap flights to las vegas from fll
  • cheap flights to las vegas from vancouver bc
  • cheap flights to las vegas from st john nl
  • cheap flights to las vegas from wichita
  • cheap flights to las vegas from grand junction co
  • cheap flights to las vegas from wisconsin
  • cheap flights to las vegas from london ontario
  • cheap flights to las vegas from edinburgh
  • cheap flights to las vegas from stockton
  • cheap flights to las vegas from buffalo ny
  • cheap flights to las vegas from bay area
  • cheap flights to las vegas from omaha
  • cheap flights to las vegas from huston tx
  • cheap flights to las vegas from la
  • cheap flights to las vegas from uk