Cheap flights from Washington to London Stansted Airport from £189
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Washington to Stansted
Keep the following information in mind while searching for Washington to Stansted flight deals. Data was last updated 29 August 2025.
Round-trip from | £416 |
---|---|
One-way from | £189 |
Popular in | June |
Cheapest in | October |
Average price | £510 |
Find flight deals from Washington to Stansted
Cheapest flights from Washington to StanstedExplore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Explore the most affordable flight options available from Washington to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Washington to London Stansted Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Wed 5/11
20:05-19:35
1 stop15h 30m
London Stansted
Wed 12/11
06:30-18:20
1 stop19h 50m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Mon 6/10
15:45-16:25
2 stops16h 40m
London Stansted
Tue 21/10
06:30-17:50
2 stops19h 20m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Tue 30/9
15:45-22:55
2 stops23h 10m
London Stansted
Tue 7/10
08:15-20:40
2 stops20h 25m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Wed 29/10
15:35-22:15
2 stops23h 40m
London Stansted
Wed 5/11
06:00-17:00
2 stops19h 00m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Sun 23/11
20:05-23:00
1 stop18h 55m
London Stansted
Wed 3/12
06:30-18:20
1 stop19h 50m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Wed 26/11
20:05-17:50
1 stop13h 45m
London Stansted
Wed 3/12
06:30-18:20
1 stop19h 50m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Wed 12/11
20:05-22:50
1 stop18h 45m
London Stansted
Wed 19/11
06:30-18:20
1 stop19h 50m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Wed 1/10
15:45-22:30
2 stops22h 45m
London Stansted
Tue 7/10
10:45-17:50
2 stops15h 05m
SeattleLondon
SEA - STN
SEASTN
Seattle/Tacoma Intl
Sun 5/10
16:20-18:20
2 stops18h 00m
London Stansted
Sat 11/10
19:40-14:00
2 stops26h 20m
PortlandLondon
PDX - STN
PDXSTN
Portland
Mon 29/9
06:15-14:20
3 stops24h 05m
London Stansted
Mon 6/10
22:00-23:01
3 stops33h 01m
Best time to book a flight from Washington to Stansted
Have a flexible travel schedule? Discover the best time to fly to Stansted from Washington with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington to London Stansted Airport
Related info for your journey
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Alternative routes for Washington to Stansted
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Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington to Stansted flexibly with Cheapflights today.
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Yes, Cheapflights offers price alerts on Washington to Stansted flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.