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Cheap flights from London Stansted Airport to Washington from £344

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — SEA
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Washington
Explore the most affordable flight options available from Stansted to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2026.

Thu 24/916:55
STN
-
SEA
2 stops28h 50m
Multiple Airlines
Fri 2/1015:55
SEA
-
STN
2 stops20h 35m
Multiple Airlines
Deal found 26/7£459
Tue 8/910:45
STN
-
SEA
2 stops33h 00m
Multiple Airlines
Tue 15/919:00
SEA
-
STN
2 stops21h 10m
Multiple Airlines
Deal found 25/7£461
Mon 21/913:20
STN
-
SEA
2 stops32h 25m
Multiple Airlines
Tue 29/915:55
SEA
-
STN
2 stops22h 25m
Multiple Airlines
Deal found 29/7£509
Fri 4/913:10
STN
-
SEA
2 stops32h 35m
Multiple Airlines
Sat 19/915:55
SEA
-
STN
3 stops23h 25m
Multiple Airlines
Deal found 24/7£545
Sat 19/911:10
STN
-
SEA
2 stops34h 35m
Multiple Airlines
Sat 26/915:55
SEA
-
STN
2 stops23h 25m
Multiple Airlines
Deal found 26/7£551
Thu 17/916:25
STN
-
SEA
1 stop32h 34m
Lufthansa
Wed 30/918:50
SEA
-
STN
1 stop12h 45m
Lufthansa
Deal found 27/7£556
Tue 15/906:30
STN
-
SEA
2 stops20h 15m
Multiple Airlines
Thu 15/1019:00
SEA
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 25/7£557
Tue 22/911:00
STN
-
SEA
1 stop13h 59m
Multiple Airlines
Mon 19/1019:00
SEA
-
STN
2 stops15h 50m
Multiple Airlines
Deal found 28/7£563
Wed 7/1007:00
STN
-
PDX
2 stops18h 55m
Multiple Airlines
Sat 24/1015:30
PDX
-
STN
2 stops24h 20m
Multiple Airlines
Deal found 28/7£675
Fri 4/921:25
STN
-
PDX
2 stops23h 40m
Multiple Airlines
Fri 11/919:00
PDX
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 25/7£690
Sat 10/1008:05
STN
-
PDX
3 stops33h 26m
Multiple Airlines
Tue 27/1015:45
PDX
-
STN
2 stops24h 10m
Multiple Airlines
Deal found 28/7£698
Tue 1/908:50
STN
-
PDX
3 stops37h 00m
Multiple Airlines
Fri 11/919:00
PDX
-
STN
2 stops17h 30m
Multiple Airlines
Deal found 25/7£710

Find flight deals from Stansted to Washington

Keep the following information in mind while searching for Stansted to Washington flight deals. Data was last updated 30 July 2026.

Round-trip from

£459

One-way from

£344

Popular in

December

Cheapest in

February

Average price

£626
24/9-2/10
  • 24/9-2/10
  • 4 total stops
  • 49h 25m total
  • London to Washington
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 37h 40m total
  • London to Washington
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 July 2026.
Use the filters below to find and compare flights from London Stansted Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonPortland

STN - PDX

STNPDX

London Stansted

Wed 2/9

18:20-13:35

2 stops27h 15m

Portland

Wed 9/9

19:00-21:40

2 stops18h 40m

£719

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 7/11

10:55-17:10

1 stop38h 15m

Seattle/Tacoma Intl

Sat 14/11

19:05-09:55

1 stop30h 50m

£756

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 22/9

17:35-17:20

1 stop31h 45m

Seattle/Tacoma Intl

Mon 28/9

13:19-09:55

2 stops36h 36m

£762

LondonSeattle

STN - SEA

STNSEA

London Stansted

Tue 27/10

17:20-15:32

2 stops29h 12m

Seattle/Tacoma Intl

Sun 8/11

19:05-16:20

1 stop37h 15m

£763

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 11/9

06:55-10:40

1 stop35h 45m

Seattle/Tacoma Intl

Fri 18/9

13:16-22:10

2 stops24h 54m

£778

LondonSeattle

STN - SEA

STNSEA

London Stansted

Fri 11/9

06:55-10:40

1 stop35h 45m

Seattle/Tacoma Intl

Sat 26/9

13:22-09:55

2 stops36h 33m

£785

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 26/9

17:45-17:20

1 stop31h 35m

Seattle/Tacoma Intl

Thu 22/10

10:42-09:55

2 stops39h 13m

£793

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 11/11

10:55-17:10

1 stop38h 15m

Seattle/Tacoma Intl

Sun 15/11

13:16-16:20

2 stops43h 04m

£794

LondonSeattle

STN - SEA

STNSEA

London Stansted

Sat 7/11

17:20-22:59

2 stops37h 39m

Seattle/Tacoma Intl

Mon 7/12

19:05-09:55

1 stop30h 50m

£797

LondonPortland

STN - PDX

STNPDX

London Stansted

Fri 11/9

06:55-22:01

2 stops23h 06m

Portland

Mon 21/9

09:00-16:40

2 stops23h 40m

£1,279

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from Stansted to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Stansted with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Washington

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Stansted to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Stansted Airport to State of Washington?

    Airlines like Turkish Airlines fly from London Stansted Airport to State of Washington in about 38h 15m. The time it takes to get you to your destination can typically vary by up to . London Stansted Airport and State of Washington are separated by a distance of 4778 mi.

  • Can I find deals for flights from Stansted to Washington that include hotel bookings?

    Yes. In addition to deals on Stansted to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Washington.

  • Can I find deals for business class flights from Stansted to Washington?

    Yes. Cheapflights offers flight deals from Stansted to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Stansted to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Luton to Miami flights
Gatwick to Boston flights
Heathrow to Denver flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Gatwick to Las Vegas flights
Stansted to O'Hare Intl flights
Heathrow to Midway flights
Luton to Orlando flights
Stansted to Boston flights
Gatwick to San Francisco flights
Heathrow to Nashville flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Stansted to Washington?

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Why should you use Cheapflights to find cheap flight tickets from Stansted to Washington?

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Can Cheapflights find flights from Stansted to Washington with no change fees?

Yes, we can. To see specific flights from Stansted to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Stansted to Washington become cheaper?

Not ready to book yet? You can track prices for flights from Stansted to Washington on Cheapflights with our Price Alert feature and get notified when better prices are available.

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