| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Seattle-Tacoma London | Outbound 04/12/25 1 Stopover (IAH) UA2379, UA0880 23h 41min | Return 04/27/25 1 Stopover (YVR) UA8581, UA8249 12h 18min |  United Airlines |  | ? | $634 | |
| Best option Seattle-Tacoma London | Outbound 04/12/25 direct IB3506 09h 20min | Return 04/27/25 direct IB3509 09h 45min |  Iberia |  | $1,102 | ||
| Seattle-Tacoma London | Outbound 04/12/25 2 Stopovers (YVR, YYC) AC8811, AC0200, AC0850 32h 45min | Return 04/27/25 1 Stopover (YVR) LH6812, LH6564 15h 53min |  Air Canada |  | $636 | ||
| Seattle-Tacoma London | Outbound 04/12/25 2 Stopovers (YVR, YYC) AC8811, AC0200, AC0850 32h 45min | Return 04/27/25 1 Stopover (YVR) LH6812, LH6564 15h 53min | Air Canada |  | $638 | ||
| Seattle-Tacoma London | Outbound 04/12/25 1 Stopover (ORD) UA0747, UA0929 22h 35min | Return 04/27/25 1 Stopover (YVR) LH6812, LH6776 12h 18min | United Airlines |  | ? | $648 | |
| Seattle-Tacoma London | Outbound 04/12/25 1 Stopover (KEF) FI0682, FI0450 32h 55min | Return 04/27/25 1 Stopover (KEF) FI0451, FI0683 15h 35min |  Icelandair |  | ? | $719 | |
| Seattle-Tacoma London | Outbound 04/12/25 1 Stopover (KEF) FI0682, FI0450 32h 55min | Return 04/27/25 1 Stopover (KEF) FI0451, FI0683 15h 35min | Icelandair |  | ? | $725 | |
| Seattle-Tacoma London | Outbound 04/12/25 2 Stopovers (YYZ, YUL) AC0540, AC0418, AC0866 16h 25min | Return 04/27/25 1 Stopover (YYZ) AC0855, AC0543 17h 21min | Air Canada |  | ? | $743 | |
| Seattle-Tacoma London | Outbound 04/12/25 1 Stopover (KEF) FI0682, FI0454 17h 20min | Return 04/27/25 1 Stopover (KEF) FI0451, FI0683 15h 35min | Icelandair |  | $753 |
Tips and tricks to help you find cheap flights from Seattle Tacoma to London
Favorite airline: Icelandair
76 % of flights booked on the route from Seattle-Tacoma to London are booked with Icelandair, Virgin Atlantic and Air Canada.
Icelandair
39 %
Virgin Atlantic
23 %
Air Canada
14 %