Flights from Washington, D.C. to Idaho Falls from $ 398*
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1 Passenger, Economy
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Featured daily fares for flights from Washington, D.C. (IAD) to Idaho Falls (IDA)
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More United deals on Washington, D.C. (IAD) to Idaho Falls (IDA) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 05/29/26 - 06/05/26 | from $ 398 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 05/25/26 - 05/28/26 | from $ 418 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 05/28/26 - 06/04/26 | from $ 419 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 05/25/26 - 05/29/26 | from $ 423 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 06/29/26 - 07/03/26 | from $ 448 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 05/29/26 - 06/01/26 | from $ 448 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 05/28/26 - 06/01/26 | from $ 448 Viewed: 3 hours ago |
| Washington, D.C. (IAD) | Idaho Falls (IDA) | Roundtrip | Economy | 06/29/26 - 07/02/26 | from $ 448 Viewed: 3 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. Schedules are subject to change without notice.
