$415 Cheap JetBlue Airways flights Seattle (SEA) to London (LHR)

View $415 flight on Mon, Oct 13, 2025Opens in a new window

$415 Cheap JetBlue Airways flights Seattle (SEA) to London (LHR)

Prices were available within the past 7 days and start at $415 for one-way flights and $1,085 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, May 26 - Sat, Jun 13
SEA
Seattle
LHR
London
$1,085 Roundtrip, found 19 hours ago
$1,085
Roundtrip
found 19 hours ago
Select JetBlue Airways flight, departing Tue, May 26 from Seattle to London, returning Sat, Jun 13, priced at $1,085 found 19 hours ago
Flights from Seattle (SEA) to London (LHR)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic
Popular airline
Scandinavian Airlines
Distance
7657 km
Average flight time
17 hours 33 mins