Flash SaleStrong Deal
Seattle to London for only $429 roundtrip
SEA
Seattle
Nonstop
LHR
London
Price
$429
Airline
British Airways
Cabin
economy
Typical Price
$950
Travel Dates
Depart
April 18, 2026
Return
April 26, 2026
8
nights
About This Deal
British Airways seasonal dip: SEA → LHR. Up to 12-night stays. One stop via LAX. London in spring is classic — and this price makes it a no-brainer.
Deal Analysis
79
Deal Score
55%
Discount
$521
You Save
Price History
Historical price trend for this route
Lowest
$419
Highest
$570
Change
-18.1%
Prices shown are approximate and may vary. The dashed line marks the current deal price.
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