Flights from London to Washington, D.C. from $ 692*
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
Featured daily fares for flights from London (LHR) to Washington, D.C. (IAD)
expand_more
location_on
location_on
Try alternate month or interact with individual days below in order to find offers.
More United deals on London (LHR) to Washington, D.C. (IAD) flights
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 05/06/26 - 05/18/26 | from $ 692 Viewed: 21 hours ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 07/28/26 - 08/07/26 | from $ 840 Viewed: 1 day ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 05/31/26 - 06/12/26 | from $ 814 Viewed: 10 hours ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 05/25/26 - 05/30/26 | from $ 843 Viewed: 4 hours ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 05/15/26 - 06/24/26 | from $ 854 Viewed: 13 hours ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 05/15/26 - 06/27/26 | from $ 868 Viewed: 14 hours ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 07/30/26 - 08/17/26 | from $ 871 Viewed: 13 hours ago |
| London (LHR) | Washington, D.C. (IAD) | Roundtrip | Economy | 05/14/26 - 05/16/26 | from $ 875 Viewed: 12 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.
