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Cheap flights from London Luton Airport to Washington from £316

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SEA
4 jan — 11 jan1
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 5 dezembro 2025.

qua 24/1207:00LTN - SEA
2 stops16h 40mMultiple Airlines
ter 6/105:50SEA - LTN
3 stops19h 55mMultiple Airlines
Deal found 4/12£728
ter 23/1217:30LTN - SEA
2 stops30h 10mMultiple Airlines
ter 6/105:50SEA - LTN
3 stops19h 55mMultiple Airlines
Deal found 3/12£745
qua 24/1207:00LTN - SEA
2 stops16h 40mMultiple Airlines
dom 4/120:05SEA - LTN
1 stop17h 55mMultiple Airlines
Deal found 3/12£759
sex 19/1205:50LTN - SEA
1 stop20h 30mMultiple Airlines
dom 4/120:05SEA - LTN
1 stop12h 40mMultiple Airlines
Deal found 3/12£777
qua 17/1206:50LTN - SEA
1 stop19h 30mMultiple Airlines
dom 4/120:05SEA - LTN
1 stop17h 55mMultiple Airlines
Deal found 4/12£851
qua 17/1208:00LTN - SEA
1 stop17h 00mMultiple Airlines
qua 7/115:10SEA - LTN
2 stops20h 15mMultiple Airlines
Deal found 3/12£962
qui 18/1205:45LTN - SEA
1 stop19h 20mMultiple Airlines
qui 8/119:00SEA - LTN
1 stop20h 10mMultiple Airlines
Deal found 4/12£982
dom 21/1206:00LTN - PDX
1 stop19h 00mMultiple Airlines
seg 29/1214:45PDX - LTN
1 stop15h 15mMultiple Airlines
Deal found 3/12£1,713
ter 23/1213:25LTN - PDX
2 stops30h 00mMultiple Airlines
dom 28/1213:25PDX - LTN
2 stops20h 45mMultiple Airlines
Deal found 3/12£2,055

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 5 dezembro 2025.

Round-trip from

£535

One-way from

£316

Popular in

July

Cheapest in

January

Average price

£640
4/3-15/3
  • 4/3-15/3
  • 2 total stops
  • 37h 25m total
  • London to Washington
Search Deals
23/2
  • 23/2
  • 3 total stops
  • 42h 50m 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 December 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 5 dezembro 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

seg 2/2

07:20-09:31

3 stops34h 11m

Seattle/Tacoma Intl

seg 2/3

14:35-21:20

2 stops22h 45m

£633

LondonSeattle

LTN - SEA

LTNSEA

London Luton

qua 21/1

07:00-09:31

3 stops34h 31m

Seattle/Tacoma Intl

sáb 28/2

14:35-17:00

2 stops18h 25m

£652

LondonSeattle

LTN - SEA

LTNSEA

London Luton

ter 7/4

08:05-19:05

2 stops19h 00m

Seattle/Tacoma Intl

seg 13/4

18:45-15:45

1 stop13h 00m

£670

LondonSeattle

LTN - SEA

LTNSEA

London Luton

ter 7/4

08:05-19:05

2 stops19h 00m

Seattle/Tacoma Intl

ter 14/4

18:45-15:30

1 stop12h 45m

£671

LondonSeattle

LTN - SEA

LTNSEA

London Luton

ter 13/1

07:35-22:16

3 stops46h 41m

Seattle/Tacoma Intl

dom 25/1

14:35-17:00

2 stops18h 25m

£680

LondonSeattle

LTN - SEA

LTNSEA

London Luton

sex 1/5

20:25-20:28

3 stops32h 03m

Seattle/Tacoma Intl

seg 4/5

18:45-15:45

1 stop13h 00m

£688

LondonSeattle

LTN - SEA

LTNSEA

London Luton

seg 26/1

09:00-17:00

2 stops16h 00m

Seattle/Tacoma Intl

dom 8/2

14:35-17:00

2 stops18h 25m

£709

LondonSeattle

LTN - SEA

LTNSEA

London Luton

qui 26/2

06:00-17:00

1 stop19h 00m

Seattle/Tacoma Intl

sex 27/2

14:35-21:55

2 stops23h 20m

£722

LondonSeattle

LTN - SEA

LTNSEA

London Luton

dom 5/4

07:55-17:50

2 stops17h 55m

Seattle/Tacoma Intl

qua 8/4

18:45-15:25

1 stop12h 40m

£722

LondonPortland

LTN - PDX

LTNPDX

London Luton

sáb 17/1

07:15-09:15

3 stops34h 00m

Portland

sáb 24/1

09:50-16:55

3 stops23h 05m

£746

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 32 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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Alternative routes for Luton to Washington

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