What is the cheapest month to book a flight from State of Washington to London Luton Airport?

Currently, January is the cheapest month in which you can book a flight from State of Washington to London Luton Airport (average of £76). Flying from State of Washington to London Luton Airport in July is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in London Luton Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Luton Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Travelers have found it’s best to book a flight 52 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from State of Washington to London Luton Airport 1-2 weeks in advance for as low as £472, or £686 for flights within the next 24 hours.

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

October is one of the best times of the year to fly to London Luton Airport from State of Washington. Prices for October average £558 per person but you can even find prices for as low as £379. The most expensive prices can be found in the month of June. Opting for a October flight can save you 32% on your journey compared to booking in June

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to London Luton Airport as you normally would.

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 holiday 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.

£195+ Flights from Washington to London Luton Airport

Cheap flight deals from Washington to Luton

Round-trip from	£383
One-way from	£195
Popular in	June
Cheapest in	October
Average price	£513

6/10-13/10
4 total stops
38h 30m total
Washington to London

Search Deals

14/10
2 total stops
24h 05m total
Washington to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£74 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

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Find flight deals from Washington to Luton

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 16 September 2025.

Mon 6/1015:45SEA - LTN

2 stops21h 40mMultiple Airlines

Mon 13/1009:00LTN - SEA

2 stops16h 50mMultiple Airlines

Deal found 14/9£383

Fri 3/1015:45SEA - LTN

2 stops16h 00mMultiple Airlines

Mon 6/1009:00LTN - SEA

2 stops16h 50mMultiple Airlines

Deal found 13/9£385

Sun 19/1007:30SEA - LTN

2 stops24h 10mMultiple Airlines

Mon 3/1106:00LTN - SEA

3 stops35h 31mMultiple Airlines

Deal found 15/9£397

Wed 15/1010:00SEA - LTN

3 stops26h 45mMultiple Airlines

Tue 21/1021:50LTN - SEA

2 stops24h 26mMultiple Airlines

Deal found 15/9£401

Wed 29/1021:05SEA - LTN

1 stop19h 00mMultiple Airlines

Fri 7/1105:50LTN - SEA

1 stop20h 30mMultiple Airlines

Deal found 14/9£402

Tue 30/910:00SEA - LTN

2 stops18h 35mMultiple Airlines

Mon 6/1021:55LTN - SEA

2 stops29h 36mMultiple Airlines

Deal found 16/9£408

Tue 14/1009:55PDX - LTN

2 stops18h 40mMultiple Airlines

Tue 21/1021:50LTN - PDX

2 stops28h 56mMultiple Airlines

Deal found 14/9£411

Sun 21/907:15SEA - LTN

2 stops24h 25mMultiple Airlines

Tue 7/1021:50LTN - SEA

2 stops28h 46mMultiple Airlines

Deal found 14/9£416

Sat 11/1010:00SEA - LTN

2 stops22h 05mMultiple Airlines

Tue 21/1021:50LTN - SEA

2 stops24h 26mMultiple Airlines

Deal found 14/9£428

Wed 22/1018:50SEA - LTN

2 stops17h 55mMultiple Airlines

Mon 3/1119:05LTN - SEA

2 stops25h 05mMultiple Airlines

Deal found 15/9£429

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Mon 24/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 14/9£450

Tue 11/1114:45PDX - LTN

1 stop16h 05mMultiple Airlines

Mon 17/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 14/9£454

Best flights from Washington to Luton
Discover carefully curated flight deals from Washington to Luton that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Fri 3/1015:45SEA - LTN

2 stops16h 00mMultiple Airlines

Mon 6/1009:00LTN - SEA

2 stops16h 50mMultiple Airlines

Deal found 13/9£385

Sun 19/1007:30SEA - LTN

2 stops24h 10mMultiple Airlines

Mon 3/1106:00LTN - SEA

3 stops35h 31mMultiple Airlines

Deal found 15/9£397

Tue 14/1009:55PDX - LTN

2 stops18h 40mMultiple Airlines

Tue 21/1021:50LTN - PDX

2 stops28h 56mMultiple Airlines

Deal found 14/9£411

Wed 15/1014:20SEA - LTN

2 stops17h 05mMultiple Airlines

Tue 21/1021:50LTN - SEA

2 stops24h 26mMultiple Airlines

Deal found 15/9£432

Tue 14/1019:35SEA - LTN

1 stop18h 35mMultiple Airlines

Tue 21/1010:00LTN - SEA

1 stop15h 50mMultiple Airlines

Deal found 14/9£438

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Mon 24/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 14/9£450

Tue 11/1114:45PDX - LTN

1 stop16h 05mMultiple Airlines

Mon 17/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 14/9£454

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Mon 17/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 14/9£455

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Wed 19/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 14/9£455

Fri 3/1015:45SEA - LTN

2 stops21h 15mMultiple Airlines

Fri 10/1007:00LTN - SEA

2 stops21h 40mMultiple Airlines

Deal found 14/9£472

Mon 3/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Mon 17/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 15/9£477

Wed 12/1114:35SEA - LTN

1 stop14h 20mMultiple Airlines

Tue 25/1107:00LTN - SEA

1 stop18h 00mMultiple Airlines

Deal found 14/9£478

Last-minute flights from Washington to Luton
Discover last-minute flight deals from Washington to Luton. Data last updated 16 September 2025 and is based on user searches.

Sun 21/907:15SEA - LTN

2 stops24h 25mMultiple Airlines

Tue 7/1021:50LTN - SEA

2 stops28h 46mMultiple Airlines

Deal found 14/9£416

Sun 21/912:00SEA - LTN

2 stops22h 05mMultiple Airlines

Sun 28/906:00LTN - SEA

3 stops24h 16mMultiple Airlines

Deal found 14/9£673

Sun 21/915:20PDX - LTN

2 stops19h 40mMultiple Airlines

Sun 28/907:00LTN - PDX

2 stops18h 55mMultiple Airlines

Deal found 13/9£708

Sun 21/919:00SEA - LTN

2 stops19h 05mMultiple Airlines

Sun 5/1009:55LTN - SEA

3 stops29h 45mMultiple Airlines

Deal found 15/9£714

Mon 22/919:35SEA - LTN

1 stop12h 25mMultiple Airlines

Thu 2/1012:35LTN - SEA

1 stop13h 15mMultiple Airlines

Deal found 14/9£603

Mon 22/906:15PDX - LTN

3 stops19h 00mMultiple Airlines

Mon 29/906:05LTN - PDX

3 stops35h 16mMultiple Airlines

Deal found 14/9£733

Tue 23/910:00SEA - LTN

2 stops18h 35mMultiple Airlines

Sat 27/922:10LTN - SEA

2 stops24h 06mMultiple Airlines

Deal found 14/9£493

Tue 23/919:35SEA - LTN

1 stop18h 35mMultiple Airlines

Tue 7/1010:00LTN - SEA

2 stops34h 40mMultiple Airlines

Deal found 14/9£680

Tue 14/1009:55PDX - LTN

2 stops18h 40mMultiple Airlines

Tue 21/1021:50LTN - PDX

2 stops28h 56mMultiple Airlines

Deal found 14/9£411

Thu 16/1015:20PDX - LTN

2 stops17h 15mMultiple Airlines

Thu 23/1008:45LTN - PDX

2 stops17h 10mMultiple Airlines

Deal found 15/9£534

Fri 17/1009:55PDX - LTN

3 stops25h 10mMultiple Airlines

Fri 24/1008:25LTN - PDX

3 stops22h 36mMultiple Airlines

Deal found 15/9£728

Thu 23/1006:15PDX - LTN

3 stops26h 20mMultiple Airlines

Sun 2/1105:00LTN - PDX

1 stop19h 00mMultiple Airlines

Deal found 14/9£645

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 16 September 2025.

Tue 14/1014:05SEA - LTN

2 stops24h 05mMultiple Airlines

Deal found 14/9£195

Thu 23/1013:50SEA - LTN

2 stops18h 45mMultiple Airlines

Deal found 14/9£201

Tue 7/1014:05SEA - LTN

2 stops24h 05mMultiple Airlines

Deal found 15/9£202

Sun 9/1121:34SEA - LTN

2 stops50h 56mMultiple Airlines

Deal found 15/9£210

Thu 2/1008:40SEA - LTN

2 stops23h 55mMultiple Airlines

Deal found 13/9£220

Thu 16/1008:40SEA - LTN

2 stops23h 55mMultiple Airlines

Deal found 15/9£221

Mon 6/1023:10SEA - LTN

3 stops39h 00mMultiple Airlines

Deal found 15/9£222

Fri 3/1013:15SEA - LTN

3 stops59h 20mMultiple Airlines

Deal found 15/9£224

Mon 10/1111:55SEA - LTN

3 stops38h 30mMultiple Airlines

Deal found 15/9£224

Wed 15/1013:02SEA - LTN

2 stops22h 23mMultiple Airlines

Deal found 14/9£226

Tue 21/1010:00SEA - LTN

3 stops18h 35mMultiple Airlines

Deal found 15/9£227

Thu 26/207:00PDX - LTN

3 stops23h 50mMultiple Airlines

Deal found 15/9£271

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

Fri 3/10

15:45-15:45

2 stops16h 00m

London Luton

Mon 6/10

09:00-17:50

2 stops16h 50m

£385

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 19/10

07:30-15:40

2 stops24h 10m

London Luton

Mon 3/11

06:00-09:31

3 stops35h 31m

£397

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 14/10

09:55-12:35

2 stops18h 40m

London Luton

Tue 21/10

21:50-18:46

2 stops28h 56m

£411

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 15/10

14:20-15:25

2 stops17h 05m

London Luton

Tue 21/10

21:50-14:16

2 stops24h 26m

£432

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 14/10

19:35-22:10

1 stop18h 35m

London Luton

Tue 21/10

10:00-17:50

1 stop15h 50m

£438

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 10/11

14:45-14:00

1 stop15h 15m

London Luton

Mon 24/11

08:00-17:00

1 stop17h 00m

£450

PortlandLondon

PDX - LTN

PDXLTN

Portland

Tue 11/11

14:45-14:50

1 stop16h 05m

London Luton

Mon 17/11

08:00-17:00

1 stop17h 00m

£454

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 10/11

14:45-14:00

1 stop15h 15m

London Luton

Mon 17/11

08:00-17:00

1 stop17h 00m

£455

PortlandLondon

PDX - LTN

PDXLTN

Portland

Mon 10/11

14:45-14:00

1 stop15h 15m

London Luton

Wed 19/11

08:00-17:00

1 stop17h 00m

£455

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 3/10

15:45-21:00

2 stops21h 15m

London Luton

Fri 10/10

07:00-20:40

2 stops21h 40m

£472

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 42 results

...

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 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 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 holiday 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.
What is the cheapest month to book a flight from State of Washington to London Luton Airport?
Currently, January is the cheapest month in which you can book a flight from State of Washington to London Luton Airport (average of £76). Flying from State of Washington to London Luton Airport in July is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Milton Keynes

Croydon

Hounslow

Slough

Gatwick

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Winchester

Chichester

Ipswich

Dartford

Guildford

Brentford

Bishop's Stortford

Romford

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Luton.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington to Luton flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Washington to Luton flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Washington to London Luton Airport from £195

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 16 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 16 September 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 16 September 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?

What is the cheapest month to book a flight from State of Washington to London Luton Airport?

Travelling to a place near London Luton Airport?

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Alternative routes for Washington to Luton

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

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

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

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

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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 16 September 2025.