United flights from Washington, D.C. to Las Vegas from $ 277*
Featured daily fares for flights from Washington, D.C. (IAD) to Las Vegas (LAS)
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More United deals on Washington, D.C. (IAD) to Las Vegas (LAS) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 03/03/25 - 03/06/25 | from $ 337* Viewed: 1 day ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 05/11/25 - 05/15/25 | from $ 377* Viewed: 23 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 09/17/25 - 09/22/25 | from $ 377* Viewed: 23 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 03/12/25 - 03/17/25 | from $ 377* Viewed: 22 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 02/25/25 - 02/28/25 | from $ 277* Viewed: 11 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 02/28/25 - 03/03/25 | from $ 287* Viewed: 5 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 08/15/25 - 08/18/25 | from $ 377* Viewed: 1 hour ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 02/25/25 - 02/28/25 | from $ 377* Viewed: 11 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 09/04/25 - 09/07/25 | from $ 377* Viewed: 11 hours ago |
| FromWashington, D.C. (IAD) | ToLas Vegas (LAS) | Roundtrip | Economy | 08/28/25 - 08/31/25 | from $ 377* Viewed: 1 hour ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 04/12/25 - 04/19/25 | from $ 396* Viewed: 22 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 10/17/25 - 10/19/25 | from $ 448* Viewed: 22 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 05/01/25 - 05/04/25 | from $ 448* Viewed: 1 day ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 04/12/25 - 04/19/25 | from $ 496* Viewed: 22 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 10/17/25 - 10/19/25 | from $ 548* Viewed: 22 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 05/01/25 - 05/04/25 | from $ 548* Viewed: 1 day ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 04/12/25 - 04/19/25 | from $ 596* Viewed: 22 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 05/26/25 - 05/30/25 | from $ 396* Viewed: 7 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 05/26/25 - 05/30/25 | from $ 496* Viewed: 7 hours ago |
| FromWashington, D.C. (DCA) | ToLas Vegas (LAS) | Roundtrip | Economy | 05/26/25 - 05/30/25 | from $ 596* Viewed: 7 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.
