Fly from
Fly to
Route
Depart
Return
LondonSeattle
STN - SEA
STNSEA
London Stansted
Tue 16/9
08:15-11:55
3 stops35h 40m
Seattle/Tacoma Intl
Tue 23/9
14:20-20:30
2 stops22h 10m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Thu 2/10
08:15-17:50
1 stop17h 35m
Seattle/Tacoma Intl
Sun 5/10
19:35-18:00
1 stop14h 25m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Wed 22/10
22:00-11:55
2 stops21h 55m
Seattle/Tacoma Intl
Mon 27/10
15:00-21:20
2 stops23h 20m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Fri 3/10
06:40-14:16
2 stops15h 36m
Seattle/Tacoma Intl
Tue 7/10
10:00-16:35
2 stops22h 35m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Fri 17/10
08:10-20:40
2 stops20h 30m
Seattle/Tacoma Intl
Fri 24/10
15:45-17:50
2 stops18h 05m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Thu 18/9
09:20-17:50
1 stop16h 30m
Seattle/Tacoma Intl
Mon 22/9
19:35-15:20
1 stop11h 45m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Fri 10/10
23:10-20:40
3 stops29h 30m
Seattle/Tacoma Intl
Sat 18/10
15:45-19:20
2 stops19h 35m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Mon 6/10
11:00-20:40
2 stops17h 40m
Seattle/Tacoma Intl
Fri 10/10
15:45-21:20
2 stops21h 35m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Mon 3/11
06:00-17:00
2 stops19h 00m
Seattle/Tacoma Intl
Sat 8/11
14:35-22:20
2 stops23h 45m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Mon 15/9
06:25-12:59
3 stops38h 34m
Seattle/Tacoma Intl
Tue 23/9
12:00-15:00
2 stops19h 00m
Prices for flights from London Stansted Airport to Washington refresh daily.
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Washington.
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Search flight deals from London Stansted Airport to State of Washington. While viewing offers you’ll have the option to create a Price Alert.
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Washington . Millions of users trust and use momondo every year so you are in good hands.
Flights from London to Washington with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
Once all potential London to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
If you are not ready to book a flight from London to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.