Cheap Flights from Seattle to London
Cheap Flights from Seattle to London
Cheap Flights from Seattle to London
Looking for cheap flights from Seattle to London? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Seattle to London vary by season and date, but economy flights can start around 15,000–40,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Seattle to London for specific travel dates.
2026-04-16
SEA - LHR
Economy | 1 Stop | 9+ left
From 40,000 Pts + $76.2
AC
2026-04-16
SEA - LHR
Economy | 1 Stop | 9+ left
From 40,000 Pts + $5.6
UA
2026-04-16
SEA - LHR
Economy | 1 Stop | 9+ left
From 35,000 Pts + $18.1
AS
2026-04-16
SEA - LHR
Economy | 1 Stop
From 36,200 Pts + $349
QF
2026-04-16
SEA - LHR
Economy | Non stop | 9+ left
From 30,500 Pts + $33.5
KL
2026-04-16
SEA - LHR
Economy | Non stop | 9+ left
From 15,000 Pts + $319
VS
Premium cabin flights from Seattle to London
Premium cabin
2026-04-16
SEA - LHR
Business | Non stop | 3 left
From 92,500 Pts + $244.3
KL
Premium cabin
2026-04-18
SEA - LHR
Business | 1 Stop | 2 left
From 70,000 Pts + $1004.7
AS
Premium cabin
2026-04-18
SEA - LHR
Business | Non stop | 2 left
From 92,500 Pts + $244.3
KL
Premium cabin
2026-04-19
SEA - LHR
Business | 1 Stop | 2 left
From 55,000 Pts + $996.5
AS
Premium cabin
2026-04-19
SEA - LHR
First | 1 Stop | 1 left
From 82,500 Pts + $996.5
AS
Premium cabin
2026-04-19
SEA - LHR
Business | Non stop | 3 left
From 92,500 Pts + $243.8
KL
Selected hotels for your next stay
Hyatt Regency London Albert Embankment
London (United Kingdom)
Hyatt Regency London Albert Embankment
From 17,000 Pts or $251
Hyatt Regency London Blackfriars
London (United Kingdom)
Hyatt Regency London Blackfriars
From 21,000 Pts or $236
Park Hyatt London River Thames
London (United Kingdom)
Park Hyatt London River Thames
From 25,000 Pts or $585
Frequently Asked Questions
The cheapest route from Seattle to London depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Seattle to London.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Seattle to London.
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points travel planning experience. Yeah!