British Airways London to Seattle Flights

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Cheapflightsplus.com will find cheap British Airways flights from London to Seattle. Compare airline ticket prices and book air tickets starting from $508 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of British Airways, arrivals and departure details below.

Find Cheap Airfare London — Seattle (WA) by British Airways

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in august: one-way - $508, two-way – $871.

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Cheap Flights from London to Seattle by British Airways

Look at the list of plane tickets for the most popular direct and connecting flights by British Airways, their prices start from $508. The fastest nonstop flight takes 9h 45m. The fastest connecting flight — 12h 25m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $508 Find flight	4:30 pm London Heathrow	6:20 pm Seattle Seattle-Tacoma Intl	9h 50m	British Airways	BA49
from $528 Find flight	9:50 am London Heathrow	11:35 am Seattle Seattle-Tacoma Intl	9h 45m	British Airways	BA53
from $583 Find flight	9:50 am London Heathrow	5:50 pm Seattle Seattle-Tacoma Intl	16h 0m layover 4h 55m - Dublin	British Airways	BA5955 BA6149
from $583 Find flight	8:50 am London Heathrow	5:50 pm Seattle Seattle-Tacoma Intl	17h 0m layover 5h 55m - Dublin	British Airways	BA5953 BA6149
from $583 Find flight	7:40 am London Heathrow	5:50 pm Seattle Seattle-Tacoma Intl	18h 10m layover 7h 10m - Dublin	British Airways	BA5951 BA6149
from $583 Find flight	1:25 pm London Heathrow	5:50 pm Seattle Seattle-Tacoma Intl	12h 25m layover 1h 20m - Dublin	British Airways	BA5963 BA6149
from $601 Find flight	9:05 am London London City	5:50 pm Seattle Seattle-Tacoma Intl	16h 45m layover 5h 40m - Dublin	British Airways	BA4462 BA6149
from $604 Find flight	12:00 pm London Heathrow	5:50 pm Seattle Seattle-Tacoma Intl	13h 50m layover 2h 45m - Dublin	British Airways	BA5959 BA6149
from $620 Find flight	3:40 pm London Heathrow	8:35 pm Seattle Seattle-Tacoma Intl	12h 55m layover 1h 56m - Portland	British Airways	BA267 BA7536
from $620 Find flight	3:40 pm London Heathrow	9:36 pm Seattle Seattle-Tacoma Intl	13h 56m layover 3h 2m - Portland	British Airways	BA267 BA2988
from $628 Find flight	6:20 am London Heathrow	5:50 pm Seattle Seattle-Tacoma Intl	19h 30m layover 8h 25m - Dublin	British Airways	BA832 BA6149
from $647 Find flight	6:45 am London London City	5:50 pm Seattle Seattle-Tacoma Intl	19h 5m layover 8h 5m - Dublin	British Airways	BA4460 BA6149
from $792 Find flight	4:35 pm London Heathrow	10:34 am+1 день Seattle Seattle-Tacoma Intl	25h 59m layover 12h 4m - New York	British Airways	BA189 HA4991
from $1696 Find flight	3:10 pm London Heathrow	10:59 pm Seattle Seattle-Tacoma Intl	15h 49m layover 1h 28m - Dallas	British Airways	BA1573 BA5541
from $534 Find flight	7:10 am London Heathrow	8:40 pm Seattle Seattle-Tacoma Intl	21h 30m layover 6h 5m - Hagersten 1h 50m - Reykjavik	British Airways	BA776 FI309 FI683
from $673 Find flight	7:40 pm London Heathrow	10:35 am+2 дня Seattle Seattle-Tacoma Intl	46h 55m layover 19h 20m - Hagersten 8h 50m - Istanbul	British Airways	BA786 TK1796 TK213

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 08/02/2025

British Airways Flight Schedule London to Seattle

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
4:30 pm — 6:20 pm	4:30 pm — 6:20 pm BA49 British Airways London — Seattle	9h 50m	Find flight from$508
9:50 am — 11:35 am	9:50 am — 11:35 am BA53 British Airways London — Seattle	9h 45m	Find flight from$528
10:40 am — 5:50 pm	10:30 am — 11:55 am BA834 British Airways London — Dublin 4h 5m stop 4:10 pm — 5:50 pm BA6149 British Airways Dublin — Seattle	15h 10m including layover	Find flight from$1742
12:00 pm — 5:50 pm	12:10 pm — 1:35 pm BA5959 British Airways London — Dublin 2h 45m stop 4:30 pm — 6:15 pm BA6149 British Airways Dublin — Seattle	13h 50m including layover	Find flight from$604
1:25 pm — 5:50 pm	1:25 pm — 2:50 pm BA5963 British Airways London — Dublin 1h 20m stop 4:10 pm — 5:50 pm BA6149 British Airways Dublin — Seattle	12h 25m including layover	Find flight from$583
3:40 pm — 8:35 pm	3:40 pm — 5:35 pm BA267 British Airways London — Portland 1h 56m stop 7:40 pm — 8:35 pm BA7536 British Airways Portland — Seattle	12h 55m including layover	Find flight from$620
3:40 pm — 9:36 pm	3:40 pm — 5:35 pm BA267 British Airways London — Portland 3h 2m stop 8:37 pm — 9:36 pm BA2988 British Airways Portland — Seattle	13h 56m including layover	Find flight from$620
4:35 pm — 10:34 am +1 day	4:35 pm — 7:25 pm BA189 British Airways London — New York 12h 4m stop 7:29 am — 10:34 am HA4991 Hawaiian Airlines New York — Seattle	25h 59m including layover	Find flight from$792
6:20 am — 5:50 pm	6:30 am — 7:55 am BA832 British Airways London — Dublin 8h 25m stop 4:30 pm — 6:15 pm BA6149 British Airways Dublin — Seattle	19h 30m including layover	Find flight from$628
6:45 am — 5:50 pm	6:45 am — 8:05 am BA4460 British Airways London — Dublin 8h 5m stop 4:10 pm — 5:50 pm BA6149 British Airways Dublin — Seattle	19h 5m including layover	Find flight from$647
8:50 am — 5:50 pm	8:50 am — 10:15 am BA5953 British Airways London — Dublin 5h 55m stop 4:30 pm — 6:15 pm BA6149 British Airways Dublin — Seattle	17h including layover	Find flight from$583
9:50 am — 5:50 pm	9:50 am — 11:15 am BA5955 British Airways London — Dublin 4h 55m stop 4:30 pm — 6:15 pm BA6149 British Airways Dublin — Seattle	16h including layover	Find flight from$583
7:10 am — 8:40 pm	6:55 am — 10:20 am BA776 British Airways London — Hagersten 6h 5m stop 4:40 pm — 5:55 pm FI309 Icelandair Hagersten — Reykjavik 1h 50m stop 7:45 pm — 8:40 pm FI683 Icelandair Reykjavik — Seattle	21h 30m including layover	Find flight from$534
7:10 am — 5:50 pm	7:10 am — 10:35 am BA776 British Airways London — Hagersten 3h 10m stop 1:45 pm — 3:05 pm FI307 Icelandair Hagersten — Reykjavik 1h 45m stop 4:50 pm — 5:50 pm FI681 Icelandair Reykjavik — Seattle	18h 40m including layover	Find flight from$579
8:45 am — 7:52 pm	8:45 am — 10:00 am BA8702 British Airways London — Edinburgh 2h 5m stop 12:05 pm — 1:10 pm WS61 WestJet Edinburgh — Calgary 5h 50m stop 7:00 pm — 7:52 pm AS2226 Alaska Airlines Calgary — Seattle	19h 7m including layover	Find flight from$708

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 08/02/2025

Flight Information

There are 2 flights by British Airways from London to Seattle every week with departures from Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 10:40 am to 9:50 am. Nonstop flight is 9h 45m. The time difference between London and Seattle is 8h.

The fastest flight 9h 45m
Average flight time 9h 48m
The earliest flight 10:40 am
The latest flight 9:50 am
Distance 4794 ml

The cheapest months for traveling to Seattle are august (from 508 $), october (from 534 $), september (from 541 $).

The most expensive and popular months are december (from 3 532 $), february (from 2 007 $), january (from 1 947 $).

The cheapest flight by British Airways that our users were able to find is $508. This airfare is economy class on one-way BA49 flight for August 27, 2025 leaving Heathrow in London at 4:30 pm, it includes all taxes and additional fees.

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British Airways Airplanes on the Route

List of the most popular British Airways airplanes flying from London to Seattle:

Other Popular Airlines on the Route

Besides British Airways there are other 24 airline carriers between London and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from London to Seattle.

Nonstop flights

There are 7 direct flights every day from London. Airlines and fares are below:

EI - Aer Lingus

from $1088

Find
AY - Finnair

from $1039

Find
IB - Iberia

from $553

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

W9 - Wizz Air UK

from $440

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VY - Vueling

from $401

Find
FI - Icelandair

from $654

Find
EI - Aer Lingus

from $501

Find
AF - Air France

from $748

Find
FR - Ryanair

from $642

Find
UA - United Airlines

from $784

Find
A3 - Aegean Airlines

from $523

Find
EW - Eurowings AG

from $687

Find
D8 - Djibouti Airlines

from $523

Find
DY - Norwegian

from $656

Find

See more connecting flights

How to book an air ticket yourself?

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