Find flights
When to book

Cheap flights from London Luton Airport to Washington from £302

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SEA
17 Jan — 24 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 18 December 2025.

Wed 24/1220:50LTN - SEA
2 stops26h 50mMultiple Airlines
Fri 9/115:10SEA - LTN
2 stops21h 00mMultiple Airlines
Deal found 16/12£793
Wed 24/1220:50LTN - SEA
2 stops26h 50mMultiple Airlines
Tue 6/105:50SEA - LTN
3 stops19h 55mMultiple Airlines
Deal found 17/12£923
Mon 22/1208:50LTN - SEA
1 stop17h 30mMultiple Airlines
Fri 2/120:05SEA - LTN
1 stop12h 10mMultiple Airlines
Deal found 17/12£982
Tue 16/1220:50LTN - SEA
2 stops28h 15mMultiple Airlines
Sat 31/109:55SEA - LTN
3 stops23h 00mMultiple Airlines
Deal found 16/12£1,024
Wed 24/1220:50LTN - SEA
2 stops26h 50mMultiple Airlines
Sat 3/114:00SEA - LTN
2 stops21h 25mMultiple Airlines
Deal found 16/12£1,049
Wed 24/1208:00LTN - SEA
1 stop17h 00mMultiple Airlines
Sun 4/120:05SEA - LTN
1 stop12h 40mMultiple Airlines
Deal found 16/12£1,073
Tue 30/1221:50LTN - SEA
3 stops32h 56mMultiple Airlines
Wed 4/214:35SEA - LTN
2 stops17h 40mMultiple Airlines
Deal found 16/12£1,150
Sun 28/1214:00LTN - SEA
2 stops30h 10mMultiple Airlines
Wed 27/511:15SEA - LTN
2 stops17h 20mMultiple Airlines
Deal found 17/12£1,175
Sat 20/1221:00LTN - PDX
2 stops22h 25mMultiple Airlines
Sat 3/109:19PDX - LTN
3 stops24h 56mMultiple Airlines
Deal found 17/12£1,898
Thu 18/1220:00LTN - PDX
2 stops23h 25mMultiple Airlines
Thu 1/109:19PDX - LTN
3 stops28h 56mMultiple Airlines
Deal found 17/12£1,904

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 18 December 2025.

Round-trip from

£584

One-way from

£302

Popular in

July

Cheapest in

January

Average price

£638
1/2-8/2
  • 1/2-8/2
  • 5 total stops
  • 53h 50m total
  • London to Washington
Search Deals
12/5
  • 12/5
  • 3 total stops
  • 33h 06m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£61 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 18 December 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

Sun 1/2

07:00-10:25

3 stops35h 25m

Seattle/Tacoma Intl

Sun 8/2

14:35-17:00

2 stops18h 25m

£584

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 9/2

07:20-09:15

3 stops33h 55m

Seattle/Tacoma Intl

Mon 23/2

14:35-21:20

2 stops22h 45m

£592

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 14/1

06:50-17:00

2 stops18h 10m

Seattle/Tacoma Intl

Wed 21/1

14:35-17:05

2 stops18h 30m

£596

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 4/2

07:00-09:15

3 stops34h 15m

Seattle/Tacoma Intl

Sun 8/2

14:35-17:00

2 stops18h 25m

£600

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Thu 15/1

07:15-09:15

3 stops34h 00m

Seattle/Tacoma Intl

Thu 22/1

15:10-21:50

2 stops22h 40m

£607

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sat 31/1

09:00-17:00

2 stops16h 00m

Seattle/Tacoma Intl

Sat 7/2

14:35-18:15

2 stops19h 40m

£610

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Wed 14/1

07:00-09:15

3 stops34h 15m

Seattle/Tacoma Intl

Wed 28/1

15:10-20:05

2 stops20h 55m

£614

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Mon 2/3

07:20-22:51

3 stops23h 31m

Seattle/Tacoma Intl

Fri 13/3

16:10-20:10

2 stops21h 00m

£622

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Tue 7/4

08:05-19:05

2 stops19h 00m

Seattle/Tacoma Intl

Mon 13/4

18:45-15:45

1 stop13h 00m

£642

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Tue 7/4

08:05-19:05

2 stops19h 00m

Seattle/Tacoma Intl

Tue 14/4

18:45-15:30

1 stop12h 45m

£644

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 38 results
1
2
3
4

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Luton to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Heathrow to LaGuardia flights
Gatwick to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
London City to Newark flights
Heathrow to Miami flights
Stansted to Newark flights
Heathrow to Los Angeles flights
Luton to Newark flights
Heathrow to Orlando flights
Heathrow to Boston flights
Heathrow to Las Vegas flights
Heathrow to Dallas/Fort Worth flights
Heathrow to San Francisco flights
Gatwick to Miami flights
Heathrow to Dulles Intl flights
Gatwick to Orlando flights
Heathrow to O'Hare Intl flights
London City to Miami flights
Heathrow to Tampa flights
Heathrow to Atlanta flights
Heathrow to Hobby flights
Stansted to Miami flights
Gatwick to Los Angeles flights
Heathrow to Baltimore flights
London City to Orlando flights
Gatwick to Boston flights
Heathrow to Seattle flights
London City to Los Angeles flights
Heathrow to George Bush Intcntl flights
Gatwick to Las Vegas flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Denver flights
London City to Las Vegas flights
Luton to Miami flights
London City to Boston flights
Heathrow to Philadelphia flights
Heathrow to Austin flights
Stansted to Los Angeles flights
Heathrow to Fort Lauderdale flights
Heathrow to Ontario flights
Heathrow to Minneapolis flights
Heathrow to Nashville flights
Stansted to Orlando flights
Gatwick to Dulles Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Luton to Washington?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Luton to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Luton to Washington?

Cheapflights helps you find that perfect flight to Washington from Luton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Luton to Washington with no change fees?

Yes, we can. To see specific flights from Luton to Washington with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Luton to Washington become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.