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Cheap flights from Washington to London Luton Airport from £205

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
26 May — 2 Jun1
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 26 April 2026.

Thu 7/513:30
SEA
-
LTN
3 stops25h 40m
Multiple Airlines
Wed 20/506:15
LTN
-
SEA
2 stops35h 25m
Multiple Airlines
Deal found 23/4£553
Thu 7/518:05
SEA
-
LTN
2 stops22h 45m
Multiple Airlines
Sun 10/505:40
LTN
-
SEA
2 stops18h 00m
Multiple Airlines
Deal found 24/4£563
Tue 26/515:40
SEA
-
LTN
3 stops24h 05m
Multiple Airlines
Fri 5/606:20
LTN
-
SEA
3 stops44h 25m
Multiple Airlines
Deal found 25/4£598
Tue 5/519:00
SEA
-
LTN
3 stops22h 55m
Multiple Airlines
Tue 12/509:40
LTN
-
SEA
3 stops21h 00m
Multiple Airlines
Deal found 23/4£598
Tue 26/515:40
SEA
-
LTN
1 stop13h 15m
Multiple Airlines
Wed 3/606:15
LTN
-
SEA
1 stop13h 30m
Multiple Airlines
Deal found 24/4£611
Mon 4/515:40
SEA
-
LTN
3 stops25h 30m
Multiple Airlines
Sat 9/506:00
LTN
-
SEA
2 stops20h 45m
Multiple Airlines
Deal found 22/4£613
Tue 21/710:10
PDX
-
LTN
3 stops20h 25m
Multiple Airlines
Tue 28/709:40
LTN
-
PDX
3 stops36h 10m
Multiple Airlines
Deal found 24/4£683
Mon 8/615:30
PDX
-
LTN
3 stops23h 20m
Multiple Airlines
Mon 15/608:15
LTN
-
PDX
3 stops37h 35m
Multiple Airlines
Deal found 24/4£720
Sat 23/515:10
PDX
-
LTN
2 stops21h 55m
Multiple Airlines
Sun 7/609:15
LTN
-
PDX
2 stops35h 55m
Multiple Airlines
Deal found 23/4£726
Wed 20/513:05
PDX
-
LTN
2 stops22h 45m
Multiple Airlines
Wed 27/513:05
LTN
-
PDX
2 stops30h 05m
Multiple Airlines
Deal found 22/4£729
Tue 3/1114:45
PDX
-
LTN
1 stop16h 05m
Multiple Airlines
Mon 9/1108:00
LTN
-
PDX
1 stop17h 00m
Multiple Airlines
Deal found 25/4£748
Sat 23/515:30
PDX
-
LTN
2 stops16h 35m
Multiple Airlines
Wed 27/506:15
LTN
-
PDX
2 stops19h 40m
Multiple Airlines
Deal found 22/4£752

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 26 April 2026.

Round-trip from

£553

One-way from

£205

Popular in

June

Cheapest in

January

Average price

£525
7/5-20/5
  • 7/5-20/5
  • 5 total stops
  • 61h 05m total
  • Washington to London
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 46h 00m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 26 April 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 26/5

15:40-12:55

1 stop13h 15m

London Luton

Wed 3/6

06:15-11:45

1 stop13h 30m

£611

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 7/5

18:05-00:50

2 stops22h 45m

London Luton

Sun 10/5

18:15-16:10

2 stops29h 55m

£635

PortlandLondon

PDX - LTN

PDXLTN

Portland

Sat 23/5

15:10-21:05

2 stops21h 55m

London Luton

Sun 7/6

09:15-13:10

2 stops35h 55m

£726

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 5/10

19:00-22:05

2 stops19h 05m

London Luton

Wed 14/10

06:15-09:40

3 stops35h 25m

£729

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 2/6

19:10-15:30

1 stop12h 20m

London Luton

Sun 14/6

09:00-17:10

1 stop16h 10m

£747

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 26/5

19:00-18:30

2 stops15h 30m

London Luton

Sat 6/6

07:15-18:45

2 stops19h 30m

£754

PortlandLondon

PDX - LTN

PDXLTN

Portland

Wed 3/6

14:30-22:20

2 stops23h 50m

London Luton

Wed 17/6

06:15-17:55

2 stops19h 40m

£763

PortlandLondon

PDX - LTN

PDXLTN

Portland

Thu 14/5

15:30-22:10

2 stops22h 40m

London Luton

Tue 19/5

09:15-09:30

3 stops32h 15m

£778

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 8/6

14:30-15:45

2 stops17h 15m

London Luton

Mon 15/6

08:15-13:50

3 stops37h 35m

£794

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 12/5

19:00-18:30

2 stops15h 30m

London Luton

Tue 19/5

09:15-17:45

1 stop16h 30m

£799

Flights are sorted by cheapest return flights first.

Deals found on 22/4

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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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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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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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