Find flights
When to book

Cheap flights from Washington to London Luton Airport from £204

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
7 Jul — 14 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Luton

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Luton
Explore the most affordable flight options available from Washington to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 June 2026.

Tue 15/1214:35
SEA
-
LTN
1 stop16h 15m
Multiple Airlines
Thu 31/1206:00
LTN
-
SEA
1 stop19h 00m
Multiple Airlines
Deal found 2/6£673
Tue 10/1114:35
SEA
-
LTN
1 stop16h 15m
Multiple Airlines
Tue 17/1107:00
LTN
-
SEA
1 stop18h 00m
Multiple Airlines
Deal found 4/6£677
Fri 25/915:40
SEA
-
LTN
2 stops24h 50m
Multiple Airlines
Sat 10/1009:00
LTN
-
SEA
2 stops19h 40m
Multiple Airlines
Deal found 4/6£678
Sun 4/1017:40
SEA
-
LTN
2 stops21h 15m
Multiple Airlines
Fri 16/1019:00
LTN
-
SEA
2 stops29h 00m
Multiple Airlines
Deal found 6/6£681
Sun 9/805:45
SEA
-
LTN
3 stops19h 40m
Multiple Airlines
Mon 31/818:05
LTN
-
SEA
3 stops35h 02m
Multiple Airlines
Deal found 2/6£683
Wed 19/819:00
SEA
-
LTN
2 stops19h 35m
Multiple Airlines
Thu 27/806:05
LTN
-
SEA
2 stops19h 50m
Multiple Airlines
Deal found 2/6£684
Fri 7/815:40
SEA
-
LTN
2 stops24h 50m
Multiple Airlines
Sun 23/818:10
LTN
-
SEA
3 stops47h 30m
Multiple Airlines
Deal found 3/6£684
Wed 1/708:00
SEA
-
LTN
3 stops30h 25m
Multiple Airlines
Tue 7/706:00
LTN
-
SEA
3 stops35h 40m
Multiple Airlines
Deal found 3/6£687
Wed 8/719:00
SEA
-
LTN
2 stops16h 25m
Multiple Airlines
Tue 21/709:40
LTN
-
SEA
2 stops32h 00m
Multiple Airlines
Deal found 6/6£687
Sun 6/918:50
SEA
-
LTN
2 stops19h 50m
Multiple Airlines
Sat 12/918:00
LTN
-
SEA
3 stops28h 22m
Multiple Airlines
Deal found 6/6£690
Thu 30/719:00
SEA
-
LTN
2 stops19h 10m
Multiple Airlines
Wed 12/806:15
LTN
-
SEA
3 stops22h 52m
Multiple Airlines
Deal found 2/6£690
Sun 5/715:40
SEA
-
LTN
2 stops21h 25m
Multiple Airlines
Thu 9/709:15
LTN
-
SEA
2 stops34h 30m
Multiple Airlines
Deal found 6/6£693

Find flight deals from Washington to Luton

Keep the following information in mind while searching for Washington to Luton flight deals. Data was last updated 7 June 2026.

Round-trip from

£677

One-way from

£204

Popular in

June

Cheapest in

January

Average price

£851
11/11-17/11
  • 11/11-17/11
  • 2 total stops
  • 32h 20m total
  • Washington to London
Search Deals
19/7
  • 19/7
  • 3 total stops
  • 52h 30m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington to Luton 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 7 June 2026.
Use the filters below to find and compare flights from Washington to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 21/7

15:40-15:30

2 stops15h 50m

London Luton

Thu 30/7

09:25-20:40

2 stops19h 15m

£714

PortlandLondon

PDX - LTN

PDXLTN

Portland

Sat 19/9

15:30-21:55

2 stops22h 25m

London Luton

Wed 30/9

06:15-09:31

3 stops35h 16m

£729

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 24/9

18:05-00:50

2 stops22h 45m

London Luton

Mon 28/9

18:05-15:40

2 stops29h 35m

£729

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 17/7

15:40-00:30

2 stops24h 50m

London Luton

Fri 24/7

06:20-21:00

3 stops22h 40m

£737

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 9/7

18:05-00:50

2 stops22h 45m

London Luton

Mon 13/7

18:05-15:40

2 stops29h 35m

£742

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 6/9

15:40-21:40

2 stops22h 00m

London Luton

Fri 11/9

06:20-18:45

2 stops20h 25m

£753

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sat 19/9

15:55-23:40

2 stops23h 45m

London Luton

Sat 26/9

12:45-13:45

2 stops33h 00m

£758

PortlandLondon

PDX - LTN

PDXLTN

Portland

Fri 21/8

10:10-14:00

2 stops19h 50m

London Luton

Sun 30/8

09:00-09:31

3 stops32h 31m

£763

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 1/7

08:00-22:25

3 stops30h 25m

London Luton

Tue 7/7

07:05-21:00

2 stops21h 55m

£763

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 6/8

14:10-19:55

2 stops21h 45m

London Luton

Thu 13/8

07:00-16:59

2 stops17h 59m

£805

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Washington to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Washington 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 Washington to London Luton Airport
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 Washington to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Ipswich
Romford
Guildford
Borehamwood
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Luton

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Newark to Gatwick flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
Dulles Intl to Heathrow flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
LaGuardia to Gatwick flights
Orlando to Heathrow flights
Atlanta to Heathrow flights
Hobby to Heathrow flights
Newark to Stansted flights
Miami to Heathrow flights
Boston to London City flights
Newark to Luton flights
Los Angeles to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Stansted flights
George Bush Intcntl to Heathrow flights
Los Angeles to Stansted flights
Newark to London City flights
Philadelphia to Heathrow flights
Denver to Heathrow flights
Los Angeles to London City flights
Dulles Intl to London City flights
Seattle to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
San Francisco to London City flights
Baltimore to Gatwick flights
Sky Harbor Intl to Heathrow flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Austin to Heathrow flights
Orlando to Gatwick flights
Charlotte to Heathrow flights
San Francisco to Stansted flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luton from Washington today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Luton.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington to Luton flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Washington to Luton 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.