
$525 Cheap British Airways flights Washington (IAD) to London (LHR)
$525 Cheap British Airways flights Washington (IAD) to London (LHR)
Prices were available within the past 7 days and start at $525 for one-way flights and $1,230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 15 - Sat, Nov 21
IAD
Washington
LHR
London
$1,230 Roundtrip, found 6 hours ago
$1,230
Roundtrip
found 6 hours ago

Sun, Nov 15 - Sat, Nov 21
IAD
Washington
LHR
London
$1,398 Roundtrip, found 6 hours ago
$1,398
Roundtrip
found 6 hours ago

Sun, Nov 15 - Sat, Nov 21
IAD
Washington
LHR
London
$1,399 Roundtrip, found 6 hours ago
$1,399
Roundtrip
found 6 hours ago

Sun, Nov 15 - Sat, Nov 21
IAD
Washington
LHR
London
$1,429 Roundtrip, found 6 hours ago
$1,429
Roundtrip
found 6 hours ago

Sun, Nov 15 - Sat, Nov 21
IAD
Washington
LHR
London
$1,430 Roundtrip, found 6 hours ago
$1,430
Roundtrip
found 6 hours ago
Alternative airports near London
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Washington (IAD) to London (LHR)
April is typically the cheapest month to fly
From $470 - $908 per traveler.
Travel information
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Heathrow |
Airlines serving | British Airways |
Popular airline | British Airways |
Distance | 5866 km |
Average flight time | 12 hours 34 mins |
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Most Popular British Airways Routes from Washington
Most Popular British Airways Routes from London
- San Francisco to Chennai (SFO - MAA)
- Boston to Glasgow (BOS - GLA)
- Albany to Cork (ALB - ORK)
- London to Budapest (LHR - BUD)
- Rome to Paris (FCO - CDG)
- San Antonio to Oviedo (SAT - OVD)
- Paris to Dublin (CDG - DUB)
- London to Naples (LHR - NAP)
- Düsseldorf to Glasgow (DUS - GLA)
- Amsterdam to Stockholm (AMS - ARN)
Popular Domestic Routes in Heathrow
- London to Zürich (LHR - ZRH)
- Los Angeles to Sydney (LAX - SYD)
- Montreal to Lyon (YUL - LYS)
- San Antonio to Oviedo (SAT - OVD)
- Rome to London (FCO - LHR)
- Boston to Florence (BOS - FLR)
- Paris to Prague (CDG - PRG)
- Newark Liberty Intl. Airport to Shannon (EWR - SNN)
- San Francisco to Chennai (SFO - MAA)
- London to Budapest (LHR - BUD)