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Luton

$353+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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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 June 11, 2026.

This Mytrip deal was found by Cheapflights users on 6/9. 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.
Fri 8/143:55 pm
SEA
-
LTN
3 stops24h 35m
Multiple Airlines
Fri 8/2112:50 pm
LTN
-
SEA
2 stops32h 55m
Multiple Airlines
Deal found 6/9$876
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Fri 9/113:55 pm
SEA
-
LTN
2 stops19h 10m
Multiple Airlines
Sat 9/193:10 pm
LTN
-
SEA
2 stops30h 35m
Multiple Airlines
Deal found 6/11$879
This Mytrip deal was found by Cheapflights users on 6/9. 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 9/37:00 pm
SEA
-
LTN
2 stops15h 25m
Multiple Airlines
Sat 9/196:10 pm
LTN
-
SEA
3 stops47h 30m
Multiple Airlines
Deal found 6/9$890
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:40 pm
SEA
-
LTN
2 stops21h 35m
Multiple Airlines
Wed 8/56:15 am
LTN
-
SEA
3 stops35h 25m
Multiple Airlines
Deal found 6/10$891
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Tue 8/187:00 pm
SEA
-
LTN
2 stops13h 55m
Multiple Airlines
Tue 9/19:40 am
LTN
-
SEA
2 stops19h 20m
Multiple Airlines
Deal found 6/8$892
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:40 pm
SEA
-
LTN
2 stops16h 05m
Multiple Airlines
Mon 8/248:15 am
LTN
-
SEA
2 stops17h 40m
Multiple Airlines
Deal found 6/10$894
This Mytrip deal was found by Cheapflights users on 6/8. 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 7/85:40 pm
SEA
-
LTN
2 stops22h 30m
Multiple Airlines
Wed 7/155:40 am
LTN
-
SEA
2 stops18h 00m
Multiple Airlines
Deal found 6/8$899
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 8/257:00 pm
SEA
-
LTN
2 stops19h 25m
Multiple Airlines
Sun 8/307:00 pm
LTN
-
SEA
2 stops24h 45m
Multiple Airlines
Deal found 6/11$901
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Fri 7/108:00 am
SEA
-
LTN
2 stops31h 15m
Multiple Airlines
Wed 7/156:15 am
LTN
-
SEA
2 stops22h 52m
Multiple Airlines
Deal found 6/8$905

Find 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 June 11, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$876
(Mytrip)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,169
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. 22% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 11, 2026.
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

Cheapest round-trip

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-7:55 pm

2 stops17h 50m

London Luton

Thu 9/17

7:00 am-4:00 pm

2 stops17h 00m

$890

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 7/8

5:40 pm-12:10 am

2 stops22h 30m

London Luton

Wed 7/15

5:40 am-3:40 pm

2 stops18h 00m

$899

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 8/25

7:00 pm-10:25 pm

2 stops19h 25m

London Luton

Sun 8/30

7:00 pm-11:45 am

2 stops24h 45m

$901

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 7/13

6:10 pm-8:15 pm

2 stops18h 05m

London Luton

Tue 7/21

8:55 pm-3:40 pm

2 stops26h 45m

$911

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 7/9

3:40 pm-6:30 pm

2 stops18h 50m

London Luton

Thu 7/16

6:00 am-8:40 pm

2 stops22h 40m

$933

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 7/27

7:00 pm-8:55 pm

2 stops17h 55m

London Luton

Wed 8/12

8:50 am-5:55 pm

2 stops17h 05m

$945

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 7/1

8:00 am-10:25 pm

3 stops30h 25m

London Luton

Tue 7/7

9:40 am-6:45 pm

2 stops17h 05m

$1,046

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 7/22

3:40 pm-9:15 pm

2 stops21h 35m

London Luton

Tue 8/4

9:40 am-8:40 pm

2 stops19h 00m

$1,048

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 7/2

7:00 pm-10:10 pm

2 stops19h 10m

London Luton

Tue 7/21

7:10 pm-5:55 pm

2 stops30h 45m

$1,055
Quickest round-trip

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 7/9

11:25 pm-11:25 pm

1 stop16h 00m

London Luton

Wed 7/15

6:15 am-11:45 am

1 stop13h 30m

$1,062

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
  • 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 >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 Ovago the most. Ovago 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

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