
$1,173 Cheap American Airlines flights Washington (IAD) to London (LHR)
Prices were available within the past 7 days and start at $1,173 for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 12 - Fri, Mar 20
IAD
Washington
LHR
London
$641 Roundtrip, found 2 days ago
$641
Roundtrip
found 2 days ago
Find the cheapest month to fly from Washington (IAD) to London (LHR)
January is typically the cheapest month to fly
From $444 - $934 per traveler.
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Heathrow |
Airlines serving | Air Canada, Lufthansa, United, Virgin Atlantic |
Popular airline | United |
Distance | 5866 km |
Average flight time | 12 hours 22 mins |
Most Popular American Airlines Routes from Washington
- Asheville to Chicago (AVL - ORD)
- Boston to Vienna (BOS - VIE)
- Denver to Doha (DEN - DOH)
- Houston to Philadelphia (IAH - PHL)
- Las Vegas to Honolulu (LAS - HNL)
- Atlanta to Denver (ATL - DEN)
- Chicago to Salt Lake City (ORD - SLC)
- New York to Argyle (JFK - SVD)
- Newark Liberty Intl. Airport to Lexington (EWR - LEX)
- New York to Phoenix (JFK - PHX)
Popular Domestic Routes in Heathrow
- Tampa to Newark Liberty Intl. Airport (TPA - EWR)
- Boston to Vienna (BOS - VIE)
- Newark Liberty Intl. Airport to Phoenix (EWR - PHX)
- Los Angeles to Miami (LAX - MIA)
- Chicago to Salt Lake City (ORD - SLC)
- Los Angeles to Miami (LAX - MIA)
- Washington to Indianapolis (DCA - IND)
- Amarillo to Burlington (AMA - BTV)
- Portland to Atlanta (PDX - ATL)
- Newark Liberty Intl. Airport to Phoenix (EWR - PHX)