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Cheap flights from London Luton Airport to Washington from £262

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SEA
3 Apr — 10 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Washington
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 4 March 2026.

Tue 14/409:40
LTN
-
SEA
2 stops19h 00m
Multiple Airlines
Tue 21/415:40
SEA
-
LTN
2 stops15h 50m
Multiple Airlines
Deal found 28/2£440
Mon 13/408:15
LTN
-
SEA
1 stop16h 55m
Multiple Airlines
Mon 20/419:10
SEA
-
LTN
1 stop19h 40m
Multiple Airlines
Deal found 4/3£469
Mon 13/408:15
LTN
-
SEA
1 stop16h 55m
Multiple Airlines
Mon 27/419:10
SEA
-
LTN
1 stop19h 40m
Multiple Airlines
Deal found 3/3£473
Wed 15/406:15
LTN
-
SEA
1 stop18h 55m
Multiple Airlines
Wed 22/419:10
SEA
-
LTN
1 stop12h 15m
Multiple Airlines
Deal found 1/3£474
Thu 16/409:25
LTN
-
SEA
1 stop15h 45m
Multiple Airlines
Thu 23/419:10
SEA
-
LTN
1 stop20h 15m
Multiple Airlines
Deal found 2/3£483
Thu 7/509:25
LTN
-
SEA
1 stop15h 45m
Multiple Airlines
Fri 15/519:10
SEA
-
LTN
1 stop14h 15m
Multiple Airlines
Deal found 3/3£484
Mon 13/408:15
LTN
-
PDX
3 stops32h 55m
Multiple Airlines
Mon 27/415:30
PDX
-
LTN
2 stops22h 35m
Multiple Airlines
Deal found 1/3£543
Mon 13/406:05
LTN
-
PDX
3 stops35h 05m
Multiple Airlines
Sun 26/413:05
PDX
-
LTN
3 stops23h 25m
Multiple Airlines
Deal found 28/2£618
Fri 1/506:20
LTN
-
PDX
3 stops44h 45m
Multiple Airlines
Sun 10/515:30
PDX
-
LTN
3 stops22h 10m
Multiple Airlines
Deal found 3/3£723
Thu 5/314:00
LTN
-
PDX
1 stop35h 00m
Multiple Airlines
Sat 2/515:30
PDX
-
LTN
2 stops21h 30m
Multiple Airlines
Deal found 1/3£727
Tue 8/909:40
LTN
-
PDX
3 stops36h 10m
Multiple Airlines
Sat 19/915:30
PDX
-
LTN
2 stops21h 30m
Multiple Airlines
Deal found 27/2£746
Thu 5/314:00
LTN
-
PDX
1 stop35h 00m
Multiple Airlines
Sat 25/415:30
PDX
-
LTN
2 stops21h 30m
Multiple Airlines
Deal found 28/2£749

Find flight deals from Luton to Washington

Keep the following information in mind while searching for Luton to Washington flight deals. Data was last updated 4 March 2026.

Round-trip from

£440

One-way from

£262

Popular in

July

Cheapest in

February

Average price

£520
14/4-21/4
  • 14/4-21/4
  • 4 total stops
  • 34h 50m total
  • London to Washington
Search Deals
13/4
  • 13/4
  • 2 total stops
  • 28h 23m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 4 March 2026.
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

Tue 14/4

09:40-20:40

2 stops19h 00m

Seattle/Tacoma Intl

Tue 21/4

15:40-15:30

2 stops15h 50m

£440

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Tue 5/5

09:40-17:10

1 stop15h 30m

Seattle/Tacoma Intl

Tue 12/5

19:10-15:30

1 stop12h 20m

£474

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 13/4

08:15-17:10

1 stop16h 55m

Seattle/Tacoma Intl

Mon 27/4

19:10-22:50

1 stop19h 40m

£478

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 9/5

11:00-17:10

1 stop14h 10m

Seattle/Tacoma Intl

Sun 17/5

19:10-21:40

1 stop18h 30m

£499

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 20/4

09:15-09:38

3 stops32h 23m

Seattle/Tacoma Intl

Mon 4/5

19:00-22:05

2 stops19h 05m

£526

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Fri 17/4

06:05-22:50

3 stops24h 45m

Seattle/Tacoma Intl

Fri 24/4

19:00-16:20

2 stops13h 20m

£596

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 11/6

09:25-21:08

2 stops19h 43m

Seattle/Tacoma Intl

Sun 5/7

15:40-21:40

3 stops22h 00m

£614

LondonPortland

LTN - PDX

LTNPDX

London Luton

Mon 13/4

06:05-09:10

3 stops35h 05m

Portland

Sun 26/4

13:05-20:30

3 stops23h 25m

£618

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 15/3

13:10-19:20

1 stop13h 10m

Seattle/Tacoma Intl

Sun 22/3

21:05-22:00

1 stop17h 55m

£626

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 13/4

09:15-22:53

3 stops21h 38m

Seattle/Tacoma Intl

Sun 26/4

19:00-22:20

2 stops19h 20m

£646

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 42 resultsSorted by cheapest first
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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.
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 Luton 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 Luton to Washington. 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 Luton to Washington that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Luton 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.

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Alternative routes for Luton to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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