Direct flights from Seattle to London INTL

34 nonstop flights a week on 4 airlines. Zero layovers — one hop from SEA to LHR.

Flight time: about 8h35m nonstop

Which days does it fly?

When does it fly?

Departure times in Seattle local time, from flights observed over the last 7 days.

Flight	Departs	Duration	Days
British Airways BAW52	1:40p	8h28m	Thu
British Airways BAW52	1:49p	8h35m	Mon, Wed, Sat
British Airways BAW52	2:20p	8h24m	Tue, Fri
British Airways BAW52	3:00p	8h15m	Sun
Virgin Atlantic VIR106	5:51p	8h59m	Mon, Wed, Fri, Sat, Sun
Virgin Atlantic VIR106	5:58p	8h49m	Thu
Virgin Atlantic VIR106	6:06p	9h48m	Tue
British Airways BAW48	8:42p	8h16m	Wed
British Airways BAW48	8:48p	8h37m	Tue, Thu, Sun
British Airways BAW48	9:09p	8h28m	Mon, Sat
British Airways BAW48	9:44p	8h21m	Fri
Alaska ASA100	9:52p	8h30m	Sun
Delta DAL20	9:59p	8h34m	Mon, Wed
Alaska ASA100	10:03p	9h	Wed
Alaska ASA100	10:10p	8h46m	Mon, Tue, Thu, Fri
Delta DAL20	10:11p	8h52m	Thu–Sat
Delta DAL20	10:18p	8h33m	Sun
Alaska ASA100	10:19p	8h40m	Sat

Alaska British Airways

Delta Virgin Atlantic Find fares 🥕

The route

One hop: SEA → LHR

Nonstop from Seattle (SEA) to London (LHR)

Seattle–Tacoma International Airport (SEA) has 34 nonstop flights a week to London (LHR), operated by Alaska, British Airways, Delta and Virgin Atlantic. No layovers, no connections — one hop out of SEA and you're there.

This route flies every day of the week, so any travel day works. London is an international destination — don't forget your passport. Route data updated October 2026 from observed departures.

Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.

How long is the flight from Seattle to London?

The nonstop flight from Seattle (SEA) to London (LHR) takes about 8h35m in the air, based on recently observed nonstop departures.

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