SEA to LHR · Business
Business from $3,477 per person, round trip, fare checked Oct 30, 2026. Economy on the same dates from $837.
Pictured: Seattle, where this route departs
Photo: Daniel Schwen, CC BY-SA 4.0, via Wikimedia Commons
From
SEA
Seattle, Seattle-Tacoma Intl
To
LHR
London, Heathrow
Seen on this route: Icelandair, American Airlines.
Real Business Class fares for Seattle to London, checked within the last hour.
10 real fares found in our latest check, lowest first. Prices are per person and can change.
| Origin | Seattle (SEA), Seattle-Tacoma Intl |
|---|---|
| Destination | London (LHR), Heathrow |
| Cabin | Business Class |
| Trip type shown | Round trip, 1 adult, per person |
| Lowest fare found | $3,477 per person on Icelandair |
| Nonstop available | Not in the latest check |
| Fastest journey found | 12h 15m (Icelandair) |
| Airlines seen | Icelandair, American Airlines |
| Fares last checked | Oct 30, 2026 |
| Economy on the same dates (comparison) | $837 per person on Icelandair |
Calculated only from the fares in our latest check, not estimates.
Securing your Seattle to London business class itinerary ensures a restful journey across the Atlantic. Our advisors have recently found premium fares on this route starting from $1,702 per person.
Travelers flying from Seattle to London can choose from highly rated carriers including FI, TK, AM, UA, AY, and AA. Passengers enjoy comfortable lie-flat seating, priority boarding, and exclusive lounge access prior to departure. The onboard experience features premium dining and attentive service to ensure you arrive in the United Kingdom feeling refreshed.
Our dedicated travel advisors provide access to unpublished premium fares that are not available to the general public. We offer a personalized concierge service to handle all your travel arrangements from start to finish. Please note that the fare of $1,702 per person is a snapshot of recent pricing, and our experts will secure the best current value for your trip.
Securing your reservation well in advance is highly recommended for international transatlantic routes. Early booking allows our advisors to find optimal availability and competitive premium fares for your journey from Seattle to London. Flexibility with your travel days can also yield better options and superior availability.
Business Class products differ widely by aircraft. Ask our advisors which seat type operates your specific flight before you commit.
A Business Class ticket from Seattle normally includes lounge access before departure and, on many carriers, an arrivals lounge in London. Ask which lounges apply to your booking.
Premium fares vary in how changes and refunds are handled. Our advisors will walk you through the exact conditions of the fare you are considering.
Priority check-in and security cut queue time, but arriving a little earlier lets you make use of the lounge rather than rushing to the gate.
Unpublished Seattle → London fares, released by phone only.
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