Nonstop flights from Seattle to London

4 airlines fly this route, with up to 5 flights a day.

SEASeattle-Tacoma International

4,786 mi · 35 flights a week

LHRLondon Heathrow

SEALHR

When they leave

Seattle time

1:30p9:45pFirst departure 1:30 PM, last 9:45 PM

One afternoon flight at 1:30 PM, then four in the evening, 6:20 PM to 9:45 PM. Every flight runs daily.

Every flight

Earliest first

1:30 PM→6:45 AM⁺¹British AirwaysBoeing 787-10Daily
6:20 PM→12:10 PM⁺¹Virgin AtlanticAirbus A330-900neoDaily
8:20 PM→1:45 PM⁺¹British AirwaysBoeing 777Daily
9:40 PM→3:05 PM⁺¹Alaska AirlinesBoeing 787Daily
9:45 PM→3:35 PM⁺¹Delta Air LinesAirbus A330-900neoDaily

Schedules last checked Sep 19, 2026. Times are local.

Flying from Seattle to London

British Airways flies most often, twice a day on the Boeing 777 and Boeing 787-10. Alaska Airlines flies daily on the Boeing 787. Delta Air Lines flies daily on the Airbus A330-900neo. Virgin Atlantic flies daily on the Airbus A330-900neo.

There are 5 flights every day of the week. The first arrival in London is at 6:45 AM the next day and the last at 3:35 PM the next day. The flight covers 4,786 miles.

Flying back, London to Seattle has 35 nonstop flights a week.

Return flights

London to SeattleView

Find the cheapest day to fly from Seattle to London.

Schedules as of Oct 9, 2026.