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Luton

$406+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
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 March 13, 2026.

This Booking.com deal was found by Cheapflights users on 3/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:00 am
SEA
-
LTN
3 stops24h 35m
Multiple Airlines
Wed 5/209:40 am
LTN
-
SEA
2 stops32h 00m
Multiple Airlines
Deal found 3/12$721
This Mytrip deal was found by Cheapflights users on 3/8. 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 4/223:40 pm
SEA
-
LTN
2 stops16h 55m
Multiple Airlines
Wed 4/299:15 am
LTN
-
SEA
2 stops32h 25m
Multiple Airlines
Deal found 3/8$733
This Mytrip deal was found by Cheapflights users on 3/11. 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 4/77:00 pm
SEA
-
LTN
2 stops19h 50m
Multiple Airlines
Mon 4/209:15 am
LTN
-
SEA
3 stops21h 38m
Multiple Airlines
Deal found 3/11$744
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Sat 5/238:00 am
SEA
-
LTN
3 stops30h 55m
Multiple Airlines
Wed 6/39:15 am
LTN
-
SEA
2 stops32h 25m
Multiple Airlines
Deal found 3/12$745
This Mytrip deal was found by Cheapflights users on 3/10. 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 4/67:00 pm
SEA
-
LTN
2 stops19h 05m
Multiple Airlines
Tue 4/219:15 am
LTN
-
SEA
3 stops32h 23m
Multiple Airlines
Deal found 3/10$748
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Tue 4/77:00 pm
SEA
-
LTN
2 stops19h 50m
Multiple Airlines
Sat 4/189:15 am
LTN
-
SEA
3 stops33h 10m
Multiple Airlines
Deal found 3/12$751
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 pm
SEA
-
LTN
1 stop19h 40m
Multiple Airlines
Mon 5/118:15 am
LTN
-
SEA
1 stop16h 55m
Multiple Airlines
Deal found 3/9$752
This Mytrip deal was found by Cheapflights users on 3/10. 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 4/67:00 pm
SEA
-
LTN
2 stops19h 05m
Multiple Airlines
Tue 4/149:15 am
LTN
-
SEA
3 stops37h 50m
Multiple Airlines
Deal found 3/10$754
This Mytrip deal was found by Cheapflights users on 3/9. 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 5/87:10 pm
SEA
-
LTN
1 stop14h 15m
Multiple Airlines
Tue 5/199:40 am
LTN
-
SEA
1 stop15h 30m
Multiple Airlines
Deal found 3/9$762
This Mytrip deal was found by Cheapflights users on 3/10. 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 5/208:00 am
SEA
-
LTN
3 stops24h 35m
Multiple Airlines
Wed 5/276:15 am
LTN
-
SEA
3 stops35h 35m
Multiple Airlines
Deal found 3/10$763
This Mytrip deal was found by Cheapflights users on 3/10. 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.
Tue 4/77:00 pm
SEA
-
LTN
2 stops19h 50m
Multiple Airlines
Tue 4/149:15 am
LTN
-
SEA
3 stops42h 05m
Multiple Airlines
Deal found 3/10$766

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 March 13, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$721
(Booking.com)

One-way from

$406
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$688
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. 14% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 13, 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

Wed 5/6

8:00 am-4:35 pm

3 stops24h 35m

London Luton

Wed 5/20

9:40 am-9:40 am

2 stops32h 00m

$721

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 4/19

7:00 pm-9:45 pm

1 stop18h 45m

London Luton

Sun 4/26

6:25 am-8:40 pm

1 stop22h 15m

$784

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sat 5/9

10:30 am-10:30 am

2 stops16h 00m

London Luton

Sat 5/16

9:25 pm-2:20 pm

2 stops24h 55m

$868

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 5/20

8:00 am-12:35 pm

3 stops20h 35m

London Luton

Sun 5/24

6:55 pm-10:20 pm

3 stops35h 25m

$882

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 4/8

2:10 pm-3:25 pm

2 stops17h 15m

London Luton

Wed 4/15

6:15 am-9:53 pm

2 stops23h 38m

$900

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 5/15

7:10 pm-5:25 pm

1 stop14h 15m

London Luton

Fri 5/22

6:20 am-5:10 pm

1 stop18h 50m

$914

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 5/11

7:00 pm-10:05 pm

2 stops19h 05m

London Luton

Mon 5/18

6:40 am-9:08 pm

3 stops46h 28m

$938

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 5/15

7:10 pm-5:25 pm

1 stop14h 15m

London Luton

Thu 5/28

9:25 am-5:10 pm

1 stop15h 45m

$976
Quickest round-trip

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 5/12

7:10 pm-3:30 pm

1 stop12h 20m

London Luton

Thu 6/4

9:25 am-5:10 pm

1 stop15h 45m

$1,008

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 5/7

7:00 pm-11:10 pm

2 stops20h 10m

London Luton

Sat 5/16

9:35 am-6:45 pm

2 stops17h 10m

$1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 23 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 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 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

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