Cheap Flights from IAD to LAS
The Cheapest Round-trip Tickets from to Las Vegas
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 7 May 2026 | 11 May 2026 | Direct |  | RT from 217 |
The Cheapest Flights for this Month from to Las Vegas
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 1 May 2026 | 9 May 2026 | 2 Stops | | RT from 274 |
| 7 May 2026 | 11 May 2026 | 1 Stop | | RT from 217 |
| 22 May 2026 | 26 May 2026 | 1 Stop | | RT from 340 |
| 27 May 2026 | 1 June 2026 | 1 Stop | | RT from 233 |
| 6 August 2026 | 9 August 2026 | Direct | | RT from 476 |
| 13 August 2026 | 16 August 2026 | 1 Stop |  | RT from 389 |
| 17 September 2026 | 21 September 2026 | 1 Stop |  | RT from 532 |
The Cheapest Flights from to Las Vegas for the Year Ahead
| Departure at | Return at | Stops | Airline | Find tickets |
|---|---|---|---|---|
| 7 May 2026 | 11 May 2026 | 1 Stop | | RT from 217 |
| 13 August 2026 | 16 August 2026 | 1 Stop | | RT from 389 |
| 17 September 2026 | 21 September 2026 | 1 Stop | | RT from 532 |