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 51 days in advance to save up to 45% 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 51 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 £476, or £700 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 £563 per person but you can even find prices for as low as £385. 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.

£191+ Flights from Washington to London Luton Airport

Cheap flight deals from Washington to Luton

Round-trip from	£401
One-way from	£191
Popular in	June
Cheapest in	October
Average price	£512

3/10-9/10
4 total stops
45h 00m total
Washington to London

Search Deals

1/10
2 total stops
25h 05m total
Washington to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£76 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 28 August 2025.

Fri 3/1016:20SEA - LTN

2 stops20h 20mMultiple Airlines

Thu 9/1021:20LTN - SEA

2 stops24h 40mMultiple Airlines

Deal found 26/8£401

Wed 5/1114:35SEA - LTN

1 stop21h 40mMultiple Airlines

Wed 12/1107:30LTN - SEA

1 stop17h 30mMultiple Airlines

Deal found 27/8£402

Mon 20/1005:30SEA - LTN

3 stops29h 35mMultiple Airlines

Sun 2/1118:55LTN - SEA

3 stops35h 01mMultiple Airlines

Deal found 27/8£404

Tue 11/1114:35SEA - LTN

1 stop15h 50mMultiple Airlines

Tue 18/1107:00LTN - SEA

1 stop18h 00mMultiple Airlines

Deal found 28/8£408

Wed 5/1114:35SEA - LTN

1 stop14h 55mMultiple Airlines

Mon 10/1108:00LTN - SEA

1 stop17h 00mMultiple Airlines

Deal found 27/8£411

Tue 4/1114:35SEA - LTN

1 stop15h 50mMultiple Airlines

Wed 12/1107:30LTN - SEA

1 stop17h 30mMultiple Airlines

Deal found 27/8£417

Mon 3/1115:45SEA - LTN

1 stop14h 15mMultiple Airlines

Wed 12/1107:30LTN - SEA

1 stop17h 30mMultiple Airlines

Deal found 27/8£419

Mon 3/1115:45SEA - LTN

1 stop14h 15mMultiple Airlines

Mon 10/1108:00LTN - SEA

1 stop17h 00mMultiple Airlines

Deal found 27/8£420

Wed 5/1114:35SEA - LTN

1 stop14h 55mMultiple Airlines

Thu 13/1106:30LTN - SEA

1 stop18h 30mMultiple Airlines

Deal found 27/8£425

Wed 19/1120:05SEA - LTN

1 stop13h 00mMultiple Airlines

Wed 26/1106:50LTN - SEA

1 stop19h 30mMultiple Airlines

Deal found 26/8£430

Tue 4/1114:35SEA - LTN

1 stop15h 50mMultiple Airlines

Thu 13/1106:30LTN - SEA

1 stop18h 30mMultiple Airlines

Deal found 27/8£432

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Mon 17/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 25/8£448

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 28 August 2025.

Fri 3/1016:20SEA - LTN

2 stops20h 20mMultiple Airlines

Thu 9/1021:20LTN - SEA

2 stops24h 40mMultiple Airlines

Deal found 26/8£401

Wed 5/1114:35SEA - LTN

1 stop21h 40mMultiple Airlines

Wed 12/1107:30LTN - SEA

1 stop17h 30mMultiple Airlines

Deal found 27/8£402

Mon 20/1005:30SEA - LTN

3 stops29h 35mMultiple Airlines

Sun 2/1118:55LTN - SEA

3 stops35h 01mMultiple Airlines

Deal found 27/8£404

Tue 11/1114:35SEA - LTN

1 stop15h 50mMultiple Airlines

Tue 18/1107:00LTN - SEA

1 stop18h 00mMultiple Airlines

Deal found 28/8£408

Wed 5/1114:35SEA - LTN

1 stop14h 55mMultiple Airlines

Mon 10/1108:00LTN - SEA

1 stop17h 00mMultiple Airlines

Deal found 27/8£411

Tue 4/1114:35SEA - LTN

1 stop15h 50mMultiple Airlines

Wed 12/1107:30LTN - SEA

1 stop17h 30mMultiple Airlines

Deal found 27/8£417

Mon 3/1115:45SEA - LTN

1 stop14h 15mMultiple Airlines

Wed 12/1107:30LTN - SEA

1 stop17h 30mMultiple Airlines

Deal found 27/8£419

Mon 3/1115:45SEA - LTN

1 stop14h 15mMultiple Airlines

Mon 10/1108:00LTN - SEA

1 stop17h 00mMultiple Airlines

Deal found 27/8£420

Wed 5/1114:35SEA - LTN

1 stop14h 55mMultiple Airlines

Thu 13/1106:30LTN - SEA

1 stop18h 30mMultiple Airlines

Deal found 27/8£425

Wed 12/1120:05SEA - LTN

1 stop17h 35mMultiple Airlines

Wed 19/1106:50LTN - SEA

1 stop19h 30mMultiple Airlines

Deal found 27/8£427

Wed 19/1120:05SEA - LTN

1 stop13h 00mMultiple Airlines

Wed 26/1106:50LTN - SEA

1 stop19h 30mMultiple Airlines

Deal found 26/8£430

Mon 10/1114:45PDX - LTN

1 stop15h 15mMultiple Airlines

Mon 17/1108:00LTN - PDX

1 stop17h 00mMultiple Airlines

Deal found 25/8£448

Last-minute flights from Washington to Luton
Discover last-minute flight deals from Washington to Luton. Data last updated 28 August 2025 and is based on user searches.

Tue 2/906:15PDX - LTN

3 stops19h 00mMultiple Airlines

Tue 9/910:00LTN - PDX

3 stops31h 21mMultiple Airlines

Deal found 25/8£691

Wed 3/917:05SEA - LTN

2 stops21h 30mMultiple Airlines

Wed 10/919:00LTN - SEA

2 stops28h 05mMultiple Airlines

Deal found 26/8£656

Wed 3/919:35SEA - LTN

1 stop17h 10mMultiple Airlines

Sun 28/909:55LTN - SEA

3 stops20h 21mMultiple Airlines

Deal found 27/8£743

Wed 3/919:00SEA - LTN

2 stops19h 35mMultiple Airlines

Thu 11/906:05LTN - SEA

2 stops19h 45mMultiple Airlines

Deal found 26/8£746

Thu 4/910:40SEA - LTN

2 stops16h 25mMultiple Airlines

Tue 9/910:00LTN - SEA

1 stop15h 50mMultiple Airlines

Deal found 26/8£659

Thu 4/910:00PDX - LTN

2 stops17h 05mMultiple Airlines

Wed 17/910:00LTN - PDX

3 stops21h 01mMultiple Airlines

Deal found 27/8£728

Fri 5/906:15PDX - LTN

2 stops25h 30mMultiple Airlines

Thu 11/921:10LTN - PDX

2 stops25h 36mMultiple Airlines

Deal found 26/8£467

Fri 5/910:00SEA - LTN

2 stops21h 45mMultiple Airlines

Mon 15/921:55LTN - SEA

2 stops22h 00mMultiple Airlines

Deal found 28/8£693

Sat 6/913:42SEA - LTN

2 stops45h 43mMultiple Airlines

Thu 11/908:45LTN - SEA

1 stop17h 05mMultiple Airlines

Deal found 26/8£593

Sat 6/906:15PDX - LTN

3 stops19h 00mMultiple Airlines

Wed 10/907:00LTN - PDX

3 stops24h 01mMultiple Airlines

Deal found 27/8£700

Sun 7/919:35SEA - LTN

1 stop15h 50mMultiple Airlines

Wed 10/907:00LTN - SEA

2 stops20h 21mMultiple Airlines

Deal found 27/8£633

Sun 7/907:15SEA - LTN

2 stops28h 10mMultiple Airlines

Sat 13/922:10LTN - SEA

2 stops24h 06mMultiple Airlines

Deal found 27/8£647

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 28 August 2025.

Wed 1/1013:50SEA - LTN

2 stops25h 05mMultiple Airlines

Deal found 27/8£191

Tue 30/921:15SEA - LTN

2 stops41h 40mMultiple Airlines

Deal found 26/8£200

Sat 20/921:39SEA - LTN

2 stops51h 36mMultiple Airlines

Deal found 26/8£206

Thu 13/1123:34SEA - LTN

2 stops37h 21mMultiple Airlines

Deal found 26/8£212

Mon 6/1013:45PDX - LTN

2 stops18h 15mMultiple Airlines

Deal found 24/8£219

Fri 3/1013:15SEA - LTN

3 stops59h 20mMultiple Airlines

Deal found 25/8£220

Tue 14/1011:07PDX - LTN

3 stops27h 03mMultiple Airlines

Deal found 25/8£222

Tue 7/1011:07PDX - LTN

3 stops27h 03mMultiple Airlines

Deal found 26/8£223

Sat 25/1013:50SEA - LTN

2 stops23h 25mMultiple Airlines

Deal found 26/8£226

Wed 15/1007:20PDX - LTN

3 stops31h 15mMultiple Airlines

Deal found 27/8£226

Sat 20/914:32PDX - LTN

3 stops58h 43mMultiple Airlines

Deal found 27/8£231

Thu 16/1011:07PDX - LTN

3 stops21h 28mMultiple Airlines

Deal found 27/8£232

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

16:20-20:40

2 stops20h 20m

London Luton

Thu 9/10

21:20-14:00

2 stops24h 40m

£401

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/11

14:35-20:15

1 stop21h 40m

London Luton

Wed 12/11

07:30-17:00

1 stop17h 30m

£402

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 20/10

05:30-19:05

3 stops29h 35m

London Luton

Sun 2/11

18:55-21:56

3 stops35h 01m

£404

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 11/11

14:35-14:25

1 stop15h 50m

London Luton

Tue 18/11

07:00-17:00

1 stop18h 00m

£408

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/11

14:35-13:30

1 stop14h 55m

London Luton

Mon 10/11

08:00-17:00

1 stop17h 00m

£411

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 4/11

14:35-14:25

1 stop15h 50m

London Luton

Wed 12/11

07:30-17:00

1 stop17h 30m

£417

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 3/11

15:45-14:00

1 stop14h 15m

London Luton

Wed 12/11

07:30-17:00

1 stop17h 30m

£419

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 3/11

15:45-14:00

1 stop14h 15m

London Luton

Mon 10/11

08:00-17:00

1 stop17h 00m

£420

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/11

14:35-13:30

1 stop14h 55m

London Luton

Thu 13/11

06:30-17:00

1 stop18h 30m

£425

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 12/11

20:05-21:40

1 stop17h 35m

London Luton

Wed 19/11

06:50-18:20

1 stop19h 30m

£427

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 41 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

Gatwick

Slough

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

Ipswich

Chichester

Winchester

Eastbourne

Dartford

Guildford

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 £191

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 1/10. 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 28 August 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 28 August 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 28 August 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 28 August 2025.