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Cheap flights from London Luton Airport to Washington from £299

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SEA
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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 17 October 2025.

Wed 26/1106:50LTN - SEA
2 stops18h 10mMultiple Airlines
Wed 10/1214:35SEA - LTN
2 stops24h 30mMultiple Airlines
Deal found 15/10£461
Mon 17/1106:00LTN - SEA
2 stops19h 00mMultiple Airlines
Fri 28/1114:35SEA - LTN
2 stops17h 40mMultiple Airlines
Deal found 16/10£463
Mon 24/1108:00LTN - SEA
1 stop17h 00mMultiple Airlines
Sun 30/1114:35SEA - LTN
1 stop16h 15mMultiple Airlines
Deal found 15/10£477
Wed 12/1108:00LTN - SEA
1 stop17h 00mMultiple Airlines
Sun 16/1114:35SEA - LTN
1 stop16h 15mMultiple Airlines
Deal found 15/10£540
Thu 13/1107:15LTN - SEA
2 stops17h 45mMultiple Airlines
Thu 20/1114:35SEA - LTN
2 stops16h 15mMultiple Airlines
Deal found 16/10£590
Wed 12/1107:00LTN - SEA
2 stops18h 00mMultiple Airlines
Wed 19/1114:35SEA - LTN
2 stops16h 25mMultiple Airlines
Deal found 15/10£595
Fri 28/1120:50LTN - SEA
2 stops26h 50mMultiple Airlines
Sat 6/1217:40SEA - LTN
2 stops17h 45mMultiple Airlines
Deal found 16/10£611
Thu 13/1107:15LTN - SEA
2 stops17h 45mMultiple Airlines
Wed 26/1114:35SEA - LTN
2 stops16h 25mMultiple Airlines
Deal found 15/10£614
Wed 5/1108:00LTN - PDX
1 stop17h 00mMultiple Airlines
Mon 10/1107:05PDX - LTN
2 stops41h 25mMultiple Airlines
Deal found 15/10£652
Mon 15/1208:00LTN - PDX
1 stop17h 00mMultiple Airlines
Thu 8/109:50PDX - LTN
3 stops22h 10mMultiple Airlines
Deal found 15/10£825
Wed 12/1106:30LTN - PDX
2 stops18h 30mMultiple Airlines
Mon 17/1114:45PDX - LTN
2 stops22h 45mMultiple Airlines
Deal found 15/10£891
Sun 21/1206:00LTN - PDX
1 stop19h 00mMultiple Airlines
Sat 3/114:45PDX - LTN
1 stop14h 15mMultiple Airlines
Deal found 16/10£928

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 17 October 2025.

Round-trip from

£461

One-way from

£299

Popular in

July

Cheapest in

January

Average price

£538
26/11-10/12
  • 26/11-10/12
  • 4 total stops
  • 42h 40m total
  • London to Washington
Search Deals
13/11
  • 13/11
  • 3 total stops
  • 46h 01m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 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 October 2025
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 17 October 2025.
Use the filters below to find and compare flights from London Luton Airport to Washington that are best for you.

Fly from

Luton

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 24/11

08:00-17:00

1 stop17h 00m

Seattle/Tacoma Intl

Sun 30/11

14:35-14:50

1 stop16h 15m

£477

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 26/11

06:50-18:20

1 stop19h 30m

Seattle/Tacoma Intl

Wed 10/12

20:05-17:05

1 stop13h 00m

£495

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 12/11

08:00-17:00

1 stop17h 00m

Seattle/Tacoma Intl

Sun 16/11

14:35-14:50

1 stop16h 15m

£540

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 13/11

07:15-17:00

2 stops17h 45m

Seattle/Tacoma Intl

Thu 20/11

14:35-14:50

2 stops16h 15m

£590

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 13/11

07:15-17:00

2 stops17h 45m

Seattle/Tacoma Intl

Wed 26/11

14:35-15:00

2 stops16h 25m

£614

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 9/11

07:00-10:22

3 stops35h 22m

Seattle/Tacoma Intl

Fri 14/11

15:10-21:55

2 stops22h 45m

£625

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 1/2

07:00-09:31

3 stops34h 31m

Seattle/Tacoma Intl

Mon 16/2

15:10-19:55

2 stops20h 45m

£640

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 17/1

07:15-10:23

3 stops35h 08m

Seattle/Tacoma Intl

Sat 31/1

11:55-16:55

3 stops21h 00m

£648

LondonPortland

LTN - PDX

LTNPDX

London Luton

Wed 5/11

08:00-17:00

1 stop17h 00m

Portland

Mon 10/11

07:05-08:30

2 stops41h 25m

£652

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 19/11

20:50-15:40

2 stops26h 50m

Seattle/Tacoma Intl

Tue 25/11

15:10-14:55

2 stops15h 45m

£663

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 34 results
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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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