Flights from Lisbon to Washington, D.C. from $ 609*
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1 Passenger, Economy
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Featured daily fares for flights from Lisbon (LIS) to Washington, D.C. (IAD)
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More United deals on Lisbon (LIS) to Washington, D.C. (IAD) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 12/13/25 - 01/03/26 | from $Â 609 Viewed: 15 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 12/20/25 - 01/27/26 | from $Â 620 Viewed: 11 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 01/11/26 - 02/08/26 | from $Â 699 Viewed: 16 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 12/13/25 - 01/03/26 | from $Â 765 Viewed: 15 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 12/20/25 - 01/27/26 | from $Â 777 Viewed: 11 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 01/11/26 - 02/08/26 | from $Â 855 Viewed: 16 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 12/13/25 - 01/03/26 | from $Â 1,044 Viewed: 15 hours ago |
| Lisbon (LIS) | Washington, D.C. (IAD) | Roundtrip | Economy | 12/20/25 - 01/27/26 | from $Â 1,056 Viewed: 11 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.
