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Cheap flights from Washington to London Luton Airport from £200

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
24 Aug — 31 Aug1
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 25 July 2026.

Mon 12/1015:40
SEA
-
LTN
2 stops16h 05m
Multiple Airlines
Tue 20/1009:40
LTN
-
SEA
2 stops19h 00m
Multiple Airlines
Deal found 25/7£528
Tue 22/905:50
SEA
-
LTN
3 stops24h 10m
Multiple Airlines
Tue 6/1008:00
LTN
-
SEA
2 stops21h 04m
Multiple Airlines
Deal found 25/7£565
Mon 7/912:35
SEA
-
LTN
2 stops24h 30m
Multiple Airlines
Tue 22/921:50
LTN
-
SEA
2 stops27h 30m
Multiple Airlines
Deal found 25/7£585
Wed 14/1017:40
SEA
-
LTN
2 stops21h 00m
Multiple Airlines
Wed 21/1005:40
LTN
-
SEA
2 stops18h 00m
Multiple Airlines
Deal found 24/7£592
Mon 7/1214:35
SEA
-
LTN
1 stop15h 30m
Multiple Airlines
Tue 15/1207:00
LTN
-
SEA
1 stop18h 00m
Multiple Airlines
Deal found 24/7£600
Wed 9/1214:35
SEA
-
LTN
1 stop14h 25m
Multiple Airlines
Tue 15/1207:00
LTN
-
SEA
1 stop18h 00m
Multiple Airlines
Deal found 24/7£600
Tue 6/1005:40
SEA
-
LTN
3 stops30h 15m
Multiple Airlines
Tue 13/1020:35
LTN
-
SEA
2 stops23h 45m
Multiple Airlines
Deal found 24/7£602
Sun 1/1114:35
SEA
-
LTN
1 stop16h 30m
Multiple Airlines
Sun 8/1106:00
LTN
-
SEA
1 stop19h 00m
Multiple Airlines
Deal found 22/7£606
Thu 19/1114:35
SEA
-
LTN
1 stop14h 25m
Multiple Airlines
Fri 27/1106:00
LTN
-
SEA
1 stop19h 00m
Multiple Airlines
Deal found 25/7£607
Tue 17/1114:35
SEA
-
LTN
1 stop16h 30m
Multiple Airlines
Fri 27/1106:00
LTN
-
SEA
1 stop19h 00m
Multiple Airlines
Deal found 25/7£608
Sun 1/1114:35
SEA
-
LTN
1 stop16h 30m
Multiple Airlines
Sun 15/1106:00
LTN
-
SEA
1 stop19h 00m
Multiple Airlines
Deal found 22/7£609
Wed 7/1015:30
PDX
-
LTN
2 stops21h 45m
Multiple Airlines
Mon 19/1021:20
LTN
-
PDX
3 stops28h 35m
Multiple Airlines
Deal found 21/7£685

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 25 July 2026.

Round-trip from

£528

One-way from

£200

Popular in

June

Cheapest in

January

Average price

£773
12/10-20/10
  • 12/10-20/10
  • 4 total stops
  • 35h 05m total
  • Washington to London
Search Deals
5/10
  • 5/10
  • 3 total stops
  • 25h 40m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 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 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 25 July 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

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 14/10

17:40-22:40

2 stops21h 00m

London Luton

Wed 21/10

05:40-15:40

2 stops18h 00m

£592

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 12/1

14:35-15:05

1 stop16h 30m

London Luton

Mon 18/1

08:00-17:00

1 stop17h 00m

£637

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 1/12

14:35-15:05

1 stop16h 30m

London Luton

Sat 5/12

07:00-17:00

1 stop18h 00m

£643

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 20/9

19:00-22:20

2 stops19h 20m

London Luton

Fri 2/10

06:20-09:40

2 stops35h 20m

£653
Fastest return journey

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 18/8

19:10-15:30

1 stop12h 20m

London Luton

Tue 25/8

09:40-17:10

1 stop15h 30m

£704

PortlandLondon

PDX - LTN

PDXLTN

Portland

Sat 22/8

15:30-21:00

2 stops21h 30m

London Luton

Wed 26/8

20:35-13:35

2 stops25h 00m

£708

PortlandLondon

PDX - LTN

PDXLTN

Portland

Thu 12/11

14:45-23:55

2 stops25h 10m

London Luton

Wed 18/11

07:45-17:00

2 stops17h 15m

£724

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 22/9

10:10-22:10

3 stops28h 00m

London Luton

Mon 28/9

19:40-09:31

3 stops45h 51m

£726

PortlandLondon

PDX - LTN

PDXLTN

Portland

Wed 26/8

10:10-16:35

3 stops22h 25m

London Luton

Wed 9/9

09:40-09:31

3 stops31h 51m

£748

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 30/8

19:00-22:20

2 stops19h 20m

London Luton

Fri 1/1

06:00-17:00

1 stop19h 00m

£756

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 43 resultsSorted by cheapest first
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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
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Kingston upon Thames
Southall
Aylesbury
Dover
Romford
Enfield

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Luton

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Washington to Luton?

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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.

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