In terms of precipitation, rainfall in London Luton Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Luton Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Luton Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

How far in advance should I book a flight from State of Washington to London Luton Airport?

To save on the cost of your flight from State of Washington to London Luton Airport, book at least 51 days before your planned departure. Booking around this time can save you about 44% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $805 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $981.

What is the cheapest month to fly from State of Washington to London Luton Airport?

October can be a great time to fly to London Luton Airport from State of Washington with a flight ticket averaging about $768. Cheapflights users have found deals in the month of October for as cheap as $539. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from WA to LTN?

When flying from State of Washington to London Luton Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 vacation 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.

$290+ Flights from Washington to London Luton Airport

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Cheap flight deals from Washington to Luton

Round-trip from	$518 (Mytrip)
One-way from	$290 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$935

From Washington to London Luton

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One-way flight from Washington to London Luton

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Highest demand for flights based on searches. 15% potential increase in price ($136 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 July 30, 2025.

Wed 10/86:50 pmSEA - LTN

2 stops17h 55mMultiple Airlines

Tue 10/149:50 pmLTN - SEA

2 stops28h 46mMultiple Airlines

Deal found 7/28

$518

Mon 9/13:20 pmPDX - LTN

2 stops16h 40mMultiple Airlines

Sat 9/1310:45 amLTN - PDX

2 stops15h 10mMultiple Airlines

Deal found 7/29

$653

Best flights from Washington to Luton
Discover carefully curated flight deals from Washington to Luton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Wed 10/86:50 pmSEA - LTN

2 stops17h 55mMultiple Airlines

Tue 10/149:50 pmLTN - SEA

2 stops28h 46mMultiple Airlines

Deal found 7/28

$518

Mon 9/13:20 pmPDX - LTN

2 stops16h 40mMultiple Airlines

Sat 9/1310:45 amLTN - PDX

2 stops15h 10mMultiple Airlines

Deal found 7/29

$653

Last-minute flights from Washington to Luton
Discover last-minute flight deals from Washington to Luton. Data last updated July 30, 2025 and is based on user searches.

Mon 8/46:15 amPDX - LTN

3 stops19h 00mMultiple Airlines

Mon 8/116:05 amLTN - PDX

3 stops24h 56mMultiple Airlines

Deal found 7/29

$1,015

Wed 8/67:35 pmSEA - LTN

1 stop11h 50mMultiple Airlines

Wed 8/1310:00 amLTN - SEA

1 stop15h 50mMultiple Airlines

Deal found 7/28

$624

Mon 8/257:35 pmSEA - LTN

1 stop17h 50mMultiple Airlines

Thu 9/48:45 amLTN - SEA

1 stop17h 05mMultiple Airlines

Deal found 7/29

$528

Thu 8/283:20 pmPDX - LTN

2 stops22h 50mMultiple Airlines

Wed 9/37:00 pmLTN - PDX

2 stops30h 55mMultiple Airlines

Deal found 7/28

$723

One-way flights from Washington to Luton
Search for one-way flight options from Washington to Luton. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Wed 10/810:34 amPDX - LTN

3 stops28h 01mMultiple Airlines

Deal found 7/30

$290

Wed 10/158:50 amSEA - LTN

3 stops29h 45mMultiple Airlines

Deal found 7/29

$291

Cheapflights Fare Finder

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

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 10/8

6:50 pm-8:45 pm

2 stops17h 55m

London Luton

Tue 10/14

9:50 pm-6:36 pm

2 stops28h 46m

$518

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 9/1

3:20 pm-4:00 pm

2 stops16h 40m

London Luton

Sat 9/13

10:45 am-5:55 pm

2 stops15h 10m

$653

PortlandLondon

PDX - LTN

PDXLTN

Portland

Wed 10/8

10:34 am-10:35 pm

3 stops28h 01m

$290

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 10/15

8:50 am-10:35 pm

3 stops29h 45m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 round-trip 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

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 vacation 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.

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$290+ Cheap flights from Washington to Luton (LTN)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Luton with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Washington to Luton

Keep the following information in mind while searching for Washington to Luton flight deals. Data was last updated July 30, 2025.

Round-trip from

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Find flight deals from Washington to Luton

Cheapest flights from Washington to LutonExplore 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 July 30, 2025.

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 July 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to London Luton Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington to London Luton Airport

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?

How can I find direct flights from Washington to Luton?

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

Traveling to a place near London Luton Airport?

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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 July 30, 2025.