Seattle to London (LHR) flight deals
Compare Seattle to London (LHR) flights across upcoming months. See dated fares below, or choose your own dates and travelers.
Flights from Seattle (SEA) · Seattle to Europe flight deals
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October 2026 · December 2026 · March 2027 · April 2027 · May 2027 · July 2027 · August 2027
Fares observed September 16 – 17, 2026. USD for the travelers shown. Search a trip for current prices.
October 2026
Round-trip totals in USD for 1 adult · Economy · 2 days.
| Destination | Trip dates | Axel Member | Airline fare | Stops | Search |
|---|---|---|---|---|---|
| London (LHR) | Oct 3–5, 2026 | $497 | $557 | 2 stops | Search |
July 2027
1 adult · Economy · Round-trip totals
Non-members can also book and save on airline fares. Live search shows prices with and without Membership. Optional Membership: $15 for the first month, then $10/month. Cancel anytime.
Explore specific trips
- Seattle to London (LHR) — spring break: flights April 10–15, 2027
- Seattle to London (LHR) — spring break: flights April 10–17, 2027
- Seattle to London (LHR) — spring break: flights April 10–18, 2027
- Seattle to London (LHR) — spring break: flights April 11–18, 2027
More dates by month
- September 2026
- October 2026
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- December 2026
- January 2027
- February 2027
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