$550 Cheap American Airlines flights Seattle (SEA) to London (LHR)

View $550 flight on Wed, Feb 10, 2027Opens in a new window

$550 Cheap American Airlines flights Seattle (SEA) to London (LHR)

Prices were available within the past 7 days and start at $550 for one-way flights and $1,094 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Apr 27 - Thu, May 7
SEA
Seattle
LHR
London
$1,094 Roundtrip, found 9 hours ago
$1,094
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Mon, Apr 27 from Seattle to London, returning Thu, May 7, priced at $1,094 found 9 hours ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $885
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $885

Find the cheapest month to fly from Seattle (SEA) to London (LHR)

April is typically the cheapest month to fly

From $590 - $1,107 per traveler.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
Delta
Distance
7657 km
Average flight time
17 hours 35 mins

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