Flight Route
Seattle to London
SEA → LHR
Airlines
8 operating direct
Direct Flights
Available
Origin
Seattle–Tacoma International Airport
Destination
London Heathrow Airport
Connection Options
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+22 moreTransit countries:
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Connection
Route Options
Direct
Direct
1 Stop
via KEF
via YEG
via YYC
via YVR
via AMS
via CDG
via MSP
via FRA
via YYZ
via ORD
via DTW
via DEN
via BOS
via EWR
via JFK
via PHL
via BWI
via IAD
via SFO
via LAS
Airlines Flying Direct
Finnair
AYFinland
Direct
British
BAUnited Kingdom
Direct
Delta
DLUnited States
Direct
Iberia
IBSpain
DirectCodeshare
KLM Royal Dutch
KLNetherlands
DirectCodeshare
American
AAUnited States
Direct
Air France
AFFrance
Direct
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Price Trends
Average flight prices from SEA to LHR by month
Flight Delayed or Cancelled?
You may be entitled to up to €600 in compensation for flight disruptions on your SEA to LHR route.
- Delayed by 3+ hours
- Cancelled flight
- Denied boarding
- Claims valid up to 3 years back
Check Compensation
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