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).

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

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

Most accurate provider : When it comes to deals on Seattle-London Luton Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-London Luton Airport flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Seattle-London Luton Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-London Luton Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London Luton Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Seattle to London Luton?

For a flight from Seattle to London Luton, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to London Luton per day. 0 airlines have flights to London Luton from Seattle/Tacoma Intl on a regular basis.

Can I find deals for flights from Seattle to Luton that include hotel bookings?

Yes. In addition to deals on Seattle to Luton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Luton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Luton.

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

Yes. Cheapflights offers flight deals from Seattle 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.

$334+ Flights from Seattle to London Luton Airport

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Cheap flight deals from Seattle to Luton

Cheapest flights from Seattle to Luton
Explore the most affordable flight options available from Seattle to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Wed 12/312:35 pmSEA - LTN

3 stops22h 30mMultiple Airlines

Wed 1/79:45 pmLTN - SEA

3 stops27h 15mMultiple Airlines

Deal found 12/26

$1,192

Sat 12/275:40 pmSEA - LTN

2 stops21h 15mMultiple Airlines

Mon 12/298:00 amLTN - SEA

1 stop17h 00mMultiple Airlines

Deal found 12/26

$1,763

Fri 12/268:05 pmSEA - LTN

1 stop12h 10mMultiple Airlines

Tue 12/3010:55 amLTN - SEA

2 stops41h 56mMultiple Airlines

Deal found 12/26

$1,841

Mon 12/295:40 pmSEA - LTN

2 stops19h 55mMultiple Airlines

Mon 1/57:30 amLTN - SEA

2 stops16h 10mMultiple Airlines

Deal found 12/26

$1,850

Sun 12/288:05 pmSEA - LTN

1 stop12h 40mMultiple Airlines

Wed 12/316:50 amLTN - SEA

2 stops23h 40mMultiple Airlines

Deal found 12/26

$1,961

Mon 12/292:35 pmSEA - LTN

1 stop15h 25mMultiple Airlines

Wed 1/78:00 amLTN - SEA

1 stop17h 00mMultiple Airlines

Deal found 12/26

$2,070

Tue 12/305:40 pmSEA - LTN

2 stops16h 10mMultiple Airlines

Sat 1/32:00 pmLTN - SEA

1 stop35h 05mMultiple Airlines

Deal found 12/26

$2,204

Best flights from Seattle to Luton
Discover carefully curated flight deals from Seattle to Luton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Thu 1/222:00 pmSEA - LTN

2 stops25h 00mMultiple Airlines

Wed 2/45:00 pmLTN - SEA

2 stops27h 10mMultiple Airlines

Deal found 12/25

$583

Fri 1/233:10 pmSEA - LTN

2 stops17h 10mMultiple Airlines

Thu 2/57:30 pmLTN - SEA

2 stops25h 50mMultiple Airlines

Deal found 12/26

$626

Sat 1/242:35 pmSEA - LTN

2 stops17h 30mMultiple Airlines

Fri 2/65:50 amLTN - SEA

2 stops19h 10mMultiple Airlines

Deal found 12/27

$628

Thu 1/222:35 pmSEA - LTN

2 stops18h 40mMultiple Airlines

Wed 1/287:00 amLTN - SEA

2 stops18h 00mMultiple Airlines

Deal found 12/27

$631

Wed 1/142:35 pmSEA - LTN

2 stops23h 15mMultiple Airlines

Mon 1/197:20 amLTN - SEA

2 stops17h 40mMultiple Airlines

Deal found 12/26

$633

Sun 3/18:05 pmSEA - LTN

1 stop17h 55mMultiple Airlines

Sun 3/88:05 amLTN - SEA

1 stop18h 15mMultiple Airlines

Deal found 12/25

$664

Wed 1/143:10 pmSEA - LTN

2 stops20h 15mMultiple Airlines

Sat 1/178:50 pmLTN - SEA

2 stops24h 30mMultiple Airlines

Deal found 12/26

$679

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

Mon 1/122:35 pmSEA - LTN

2 stops23h 15mMultiple Airlines

Mon 1/197:20 amLTN - SEA

2 stops17h 40mMultiple Airlines

Deal found 12/27

$645

Wed 1/142:35 pmSEA - LTN

2 stops23h 15mMultiple Airlines

Mon 1/197:20 amLTN - SEA

2 stops17h 40mMultiple Airlines

Deal found 12/26

$633

Wed 1/145:50 amSEA - LTN

3 stops29h 35mMultiple Airlines

Sat 1/178:50 pmLTN - SEA

3 stops30h 26mMultiple Airlines

Deal found 12/26

$674

Thu 1/222:00 pmSEA - LTN

2 stops25h 00mMultiple Airlines

Wed 2/45:00 pmLTN - SEA

3 stops34h 16mMultiple Airlines

Deal found 12/25

$583

Thu 1/222:35 pmSEA - LTN

2 stops18h 40mMultiple Airlines

Wed 1/287:00 amLTN - SEA

2 stops18h 00mMultiple Airlines

Deal found 12/27

$631

Fri 1/233:10 pmSEA - LTN

2 stops17h 10mMultiple Airlines

Thu 2/57:30 pmLTN - SEA

3 stops31h 46mMultiple Airlines

Deal found 12/26

$626

Fri 1/232:35 pmSEA - LTN

2 stops16h 50mMultiple Airlines

Fri 1/305:50 amLTN - SEA

2 stops19h 10mMultiple Airlines

Deal found 12/26

$639

Sat 1/242:35 pmSEA - LTN

2 stops17h 30mMultiple Airlines

Fri 2/65:50 amLTN - SEA

2 stops19h 10mMultiple Airlines

Deal found 12/27

$628

One-way flights from Seattle to Luton
Search for one-way flight options from Seattle to Luton. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Mon 2/232:35 pmSEA - LTN

2 stops39h 05mMultiple Airlines

Deal found 12/24

$334

Mon 1/263:10 pmSEA - LTN

2 stops22h 45mMultiple Airlines

Deal found 12/27

$340

Sun 3/153:35 pmSEA - LTN

2 stops18h 25mMultiple Airlines

Deal found 12/25

$345

Fri 1/1611:55 amSEA - LTN

3 stops26h 00mMultiple Airlines

Deal found 12/25

$347

Fri 3/612:24 pmSEA - LTN

3 stops46h 46mMultiple Airlines

Deal found 12/25

$348

Sun 2/222:35 pmSEA - LTN

2 stops18h 25mMultiple Airlines

Deal found 12/25

$353

Mon 1/122:35 pmSEA - LTN

2 stops33h 40mMultiple Airlines

Deal found 12/25

$354

Mon 1/192:35 pmSEA - LTN

2 stops17h 35mMultiple Airlines

Deal found 12/27

$355

Sun 1/42:35 pmSEA - LTN

2 stops21h 10mMultiple Airlines

Deal found 12/25

$359

Sat 1/2411:55 amSEA - LTN

3 stops21h 00mMultiple Airlines

Deal found 12/25

$365

Sat 1/102:35 pmSEA - LTN

3 stops17h 40mMultiple Airlines

Deal found 12/25

$379

Find flight deals from Seattle to Luton

Most accurate provider	AranGrant 2 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$583 (Mytrip)
One-way from	$334 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$987

Provider with most accurate pricing for Seattle/Tacoma Intl-London Luton flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London Luton flights.

Search Deals

From Seattle/Tacoma Intl to London Luton

Search Deals

One-way flight from Seattle/Tacoma Intl to London Luton

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($140 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 1/22

2:00 pm-11:00 pm

2 stops25h 00m

London Luton

Wed 2/4

5:00 pm-12:10 pm

2 stops27h 10m

$583

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 1/23

3:10 pm-4:20 pm

2 stops17h 10m

London Luton

Thu 2/5

7:30 pm-1:20 pm

2 stops25h 50m

$626

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sat 1/24

2:35 pm-4:05 pm

2 stops17h 30m

London Luton

Fri 2/6

5:50 am-5:00 pm

2 stops19h 10m

$628

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 1/22

2:35 pm-5:15 pm

2 stops18h 40m

London Luton

Wed 1/28

7:00 am-5:00 pm

2 stops18h 00m

$631

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 1/14

2:35 pm-9:50 pm

2 stops23h 15m

London Luton

Mon 1/19

7:20 am-5:00 pm

2 stops17h 40m

$633

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 3/1

8:05 pm-10:00 pm

1 stop17h 55m

London Luton

Sun 3/8

8:05 am-6:20 pm

1 stop18h 15m

$664

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-7:25 pm

2 stops20h 15m

London Luton

Sat 1/17

8:50 pm-1:20 pm

2 stops24h 30m

$679

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-1:40 pm

2 stops39h 05m

$334

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 1/26

3:10 pm-9:55 pm

2 stops22h 45m

$340

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 1/16

11:55 am-9:55 pm

3 stops26h 00m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 18 results

Most accurate provider: When it comes to deals on Seattle-London Luton Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-London Luton Airport flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Seattle-London Luton Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-London Luton Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-London Luton Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Seattle 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.

Related info for your journey

What airport do you fly from for flights from Seattle to London Luton?
For a flight from Seattle to London Luton, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to London Luton per day. 0 airlines have flights to London Luton from Seattle/Tacoma Intl on a regular basis.
Can I find deals for flights from Seattle to Luton that include hotel bookings?
Yes. In addition to deals on Seattle to Luton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Luton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Luton.
Can I find deals for business class flights from Seattle to Luton?
Yes. Cheapflights offers flight deals from Seattle 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.

See more FAQs

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$334+ Cheap flights from Seattle (SEA) 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Luton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Luton

Cheapest flights from Seattle to LutonExplore the most affordable flight options available from Seattle to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Seattle to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Seattle to Luton

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Seattle to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from Seattle with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Seattle to London Luton?

Can I find deals for flights from Seattle to Luton that include hotel bookings?

How can I find direct flights from Seattle to Luton?

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

Traveling to a place near London Luton Airport?

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Alternative routes for Seattle to Luton

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Cheapest flights from Seattle to Luton
Explore the most affordable flight options available from Seattle to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.