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Luton

$427+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
May 28 — Jun 41
Thu 5/28
Thu 6/4
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 April 28, 2026.

This Mytrip deal was found by Cheapflights users on 4/23. 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 5/71:30 pm
SEA
-
LTN
3 stops25h 40m
Multiple Airlines
Wed 5/206:15 am
LTN
-
SEA
2 stops35h 25m
Multiple Airlines
Deal found 4/23$748
This Mytrip deal was found by Cheapflights users on 4/24. 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 5/76:05 pm
SEA
-
LTN
2 stops22h 45m
Multiple Airlines
Sun 5/105:40 am
LTN
-
SEA
2 stops18h 00m
Multiple Airlines
Deal found 4/24$762
This Mytrip deal was found by Cheapflights users on 4/25. 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 5/263:40 pm
SEA
-
LTN
3 stops24h 05m
Multiple Airlines
Fri 6/56:20 am
LTN
-
SEA
3 stops44h 25m
Multiple Airlines
Deal found 4/25$809
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/57:00 pm
SEA
-
LTN
3 stops22h 55m
Multiple Airlines
Tue 5/129:40 am
LTN
-
SEA
3 stops21h 00m
Multiple Airlines
Deal found 4/23$810
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/263:40 pm
SEA
-
LTN
1 stop13h 15m
Multiple Airlines
Wed 6/36:15 am
LTN
-
SEA
1 stop13h 30m
Multiple Airlines
Deal found 4/24$827
This Mytrip deal was found by Cheapflights users on 4/22. 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 5/43:40 pm
SEA
-
LTN
3 stops25h 30m
Multiple Airlines
Sat 5/96:00 am
LTN
-
SEA
2 stops20h 45m
Multiple Airlines
Deal found 4/22$830
This Mytrip deal was found by Cheapflights users on 4/25. 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 5/127:00 pm
SEA
-
LTN
2 stops19h 50m
Multiple Airlines
Sat 5/169:00 am
LTN
-
SEA
3 stops41h 45m
Multiple Airlines
Deal found 4/25$832
This Mytrip deal was found by Cheapflights users on 4/25. 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 5/127:00 pm
SEA
-
LTN
3 stops19h 10m
Multiple Airlines
Tue 5/199:40 am
LTN
-
SEA
2 stops17h 05m
Multiple Airlines
Deal found 4/25$836
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/67:00 pm
SEA
-
LTN
3 stops19h 55m
Multiple Airlines
Sun 5/107:50 am
LTN
-
SEA
3 stops33h 50m
Multiple Airlines
Deal found 4/23$840

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 April 28, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$748
(Mytrip)

One-way from

$427
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$710
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. 18% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 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 5/7

6:05 pm-12:50 am

2 stops22h 45m

London Luton

Sun 5/10

6:15 pm-4:10 pm

2 stops29h 55m

$860

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 5/7

6:05 pm-12:50 am

2 stops22h 45m

London Luton

Thu 5/14

5:40 am-4:00 pm

2 stops18h 20m

$871

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 6/16

5:45 am-10:50 pm

3 stops33h 05m

London Luton

Sun 6/21

9:00 am-9:40 am

3 stops32h 40m

$939

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 5/11

7:00 pm-5:10 pm

2 stops14h 10m

London Luton

Wed 5/20

6:15 am-6:45 pm

2 stops20h 30m

$960

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-4:20 pm

2 stops13h 20m

London Luton

Tue 5/19

9:15 am-5:45 pm

1 stop16h 30m

$1,081

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/27

10:30 am-4:35 pm

2 stops22h 05m

London Luton

Wed 6/3

6:15 am-11:45 am

1 stop13h 30m

$1,095

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 5/24

7:10 pm-3:25 pm

1 stop12h 15m

London Luton

Tue 6/2

9:40 am-5:10 pm

1 stop15h 30m

$1,104

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 9/3

6:50 pm-6:25 pm

2 stops15h 35m

London Luton

Sat 9/19

9:00 am-6:45 pm

3 stops41h 45m

$1,115

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 8/5

7:10 pm-3:25 pm

1 stop12h 15m

London Luton

Wed 8/12

9:40 am-9:00 pm

2 stops19h 20m

$1,124

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sat 5/9

6:00 pm-6:00 pm

2 stops16h 00m

London Luton

Sat 5/16

6:00 am-4:00 pm

2 stops18h 00m

$1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 21 resultsSorted by cheapest first
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  • 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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