Cheap flights from London Luton Airport to Washington from £401
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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Luton to Washington
Keep the following information in mind while searching for Luton to Washington flight deals. Data was last updated 15 July 2025.
Find flight deals from Luton to Washington
Cheapest flights from Luton to WashingtonExplore the most affordable flight options available from Luton to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.
Explore the most affordable flight options available from Luton to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Luton 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 15 July 2025.
Use the filters below to find and compare flights from London Luton Airport to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSeattle
LTN - SEA
LTNSEA
London Luton
Fri 3/10
17:50-19:14
2 stops33h 24m
Seattle/Tacoma Intl
Wed 8/10
13:50-22:35
2 stops24h 45m
LondonPortland
LTN - PDX
LTNPDX
London Luton
Wed 27/8
06:05-18:57
3 stops44h 52m
Portland
Wed 3/9
15:25-20:45
3 stops21h 20m
LondonSeattle
LTN - SEA
LTNSEA
London Luton
Thu 18/9
06:05-20:37
3 stops22h 32m
LondonPortland
LTN - PDX
LTNPDX
London Luton
Wed 3/12
07:30-17:00
1 stop17h 30m
Best time to book a flight from Luton to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Luton with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Luton Airport to Washington
Related info for your journey
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Alternative routes for Luton to Washington
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How does Cheapflights help users find flights from Luton to Washington?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Luton to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Luton to Washington?
Cheapflights helps you find that perfect flight to Washington from Luton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Luton to Washington with no change fees?
Yes, we can. To see specific flights from Luton 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 Luton to Washington become cheaper?
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