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Luton

$338+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Seattle to Luton

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Luton (LTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 12, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$556
(Mytrip)

One-way from

$338
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$641
Provider with most accurate pricing for Seattle/Tacoma Intl-London Luton flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London Luton flights.
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From Seattle/Tacoma Intl to London Luton
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One-way flight from Seattle/Tacoma Intl to London Luton
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Highest demand for flights based on searches. 15% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 12, 2026.

This Mytrip deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:35 pm
SEA
-
LTN
2 stops17h 25m
Multiple Airlines
Thu 3/59:00 am
LTN
-
SEA
2 stops16h 00m
Multiple Airlines
Deal found 1/12$556
This Mytrip deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:35 pm
SEA
-
LTN
2 stops18h 30m
Multiple Airlines
Wed 3/46:50 am
LTN
-
SEA
2 stops18h 10m
Multiple Airlines
Deal found 1/11$566
This Mytrip deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:35 pm
SEA
-
LTN
2 stops24h 30m
Multiple Airlines
Sun 3/88:05 am
LTN
-
SEA
2 stops16h 55m
Multiple Airlines
Deal found 1/11$594
This Mytrip deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:00 pm
SEA
-
LTN
2 stops25h 00m
Multiple Airlines
Sun 3/155:00 pm
LTN
-
SEA
2 stops27h 10m
Multiple Airlines
Deal found 1/9$597
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:05 pm
SEA
-
LTN
1 stop13h 00m
Multiple Airlines
Wed 3/116:50 am
LTN
-
SEA
1 stop19h 30m
Multiple Airlines
Deal found 1/10$598
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:55 pm
SEA
-
LTN
1 stop18h 40m
Multiple Airlines
Wed 6/36:15 am
LTN
-
SEA
1 stop18h 55m
Multiple Airlines
Deal found 1/12$605
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:55 pm
SEA
-
LTN
1 stop19h 15m
Multiple Airlines
Tue 4/218:05 am
LTN
-
SEA
1 stop17h 05m
Multiple Airlines
Deal found 1/12$612
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:55 pm
SEA
-
LTN
1 stop18h 40m
Multiple Airlines
Wed 4/226:15 am
LTN
-
SEA
1 stop18h 55m
Multiple Airlines
Deal found 1/10$617
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:55 pm
SEA
-
LTN
1 stop18h 40m
Multiple Airlines
Wed 5/276:15 am
LTN
-
SEA
1 stop18h 55m
Multiple Airlines
Deal found 1/10$629

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Luton 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 2,558,603 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Seattle to London Luton Airport that are best for you.

Fly from

Seattle

Fly to

Luton

Route

Depart

Return

Price

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 2/25

2:35 pm-5:05 pm

2 stops18h 30m

London Luton

Wed 3/4

6:50 am-5:00 pm

2 stops18h 10m

$566

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 3/4

2:35 pm-11:05 pm

2 stops24h 30m

London Luton

Sun 3/8

8:05 am-5:00 pm

2 stops16h 55m

$594

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 3/12

3:00 pm-11:00 pm

2 stops25h 00m

London Luton

Sun 3/15

5:00 pm-1:10 pm

2 stops27h 10m

$597

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 3/4

8:05 pm-5:05 pm

1 stop13h 00m

London Luton

Wed 3/11

6:50 am-7:20 pm

1 stop19h 30m

$598

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 5/18

6:55 pm-3:45 pm

1 stop12h 50m

London Luton

Wed 5/27

6:15 am-5:10 pm

1 stop18h 55m

$612

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 4/15

6:55 pm-9:35 pm

1 stop18h 40m

London Luton

Wed 4/22

6:15 am-5:10 pm

1 stop18h 55m

$612

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/20

6:55 pm-9:35 pm

1 stop18h 40m

London Luton

Wed 5/27

6:15 am-5:10 pm

1 stop18h 55m

$617

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 2/6

3:10 pm-8:10 pm

3 stops21h 00m

London Luton

Fri 2/13

5:50 am-7:16 pm

3 stops21h 26m

$644

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 3/1

8:05 pm-10:00 pm

1 stop17h 55m

London Luton

Sun 3/8

1:10 pm-7:20 pm

1 stop13h 10m

$655

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 1/28

8:10 am-9:15 pm

3 stops29h 05m

London Luton

Sun 2/1

5:50 pm-12:10 pm

2 stops26h 20m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 21 results
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Compare providers for flights from Seattle to Luton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Luton in January.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-London Luton Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-London Luton Airport flight deals on Cheapflights vs. Ovago 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

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?

    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

Traveling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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