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Luton

$366+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Seattle to Luton

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 January 2, 2026.

This Mytrip deal was found by Cheapflights users on 12/30. 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 1/222:35 pmSEA - LTN
2 stops22h 20mMultiple Airlines
Fri 1/309:40 pmLTN - SEA
2 stops27h 20mMultiple Airlines
Deal found 12/30$576
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 pmSEA - LTN
1 stop13h 00mMultiple Airlines
Wed 3/116:50 amLTN - SEA
1 stop19h 30mMultiple Airlines
Deal found 1/1$611
This Mytrip deal was found by Cheapflights users on 12/31. 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.
Sun 2/12:35 pmSEA - LTN
2 stops23h 20mMultiple Airlines
Wed 2/117:00 amLTN - SEA
2 stops18h 00mMultiple Airlines
Deal found 12/31$648
This Mytrip deal was found by Cheapflights users on 12/31. 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 2/65:50 amSEA - LTN
3 stops24h 55mMultiple Airlines
Thu 2/195:00 pmLTN - SEA
3 stops34h 16mMultiple Airlines
Deal found 12/31$653
This Mytrip deal was found by Cheapflights users on 1/1. 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 3/233:35 pmSEA - LTN
2 stops15h 35mMultiple Airlines
Tue 3/317:15 amLTN - SEA
2 stops18h 40mMultiple Airlines
Deal found 1/1$662
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 3/32:35 pmSEA - LTN
1 stop16h 15mMultiple Airlines
Tue 3/107:00 amLTN - SEA
1 stop18h 00mMultiple Airlines
Deal found 1/1$665
This Mytrip deal was found by Cheapflights users on 12/31. 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 1/152:35 pmSEA - LTN
2 stops15h 30mMultiple Airlines
Fri 1/238:50 amLTN - SEA
2 stops16h 10mMultiple Airlines
Deal found 12/31$681
This Mytrip deal was found by Cheapflights users on 12/31. 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 2/192:35 pmSEA - LTN
2 stops16h 25mMultiple Airlines
Wed 2/257:00 amLTN - SEA
2 stops18h 00mMultiple Airlines
Deal found 12/31$686
This Mytrip deal was found by Cheapflights users on 12/31. 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 1/292:35 pmSEA - LTN
2 stops22h 55mMultiple Airlines
Thu 2/126:15 amLTN - SEA
2 stops18h 45mMultiple Airlines
Deal found 12/31$688
This Kiwi.com deal was found by Cheapflights users on 1/1. 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 3/93:35 pmSEA - LTN
1 stop15h 25mMultiple Airlines
Wed 3/188:00 amLTN - SEA
1 stop17h 00mMultiple Airlines
Deal found 1/1$691
This Mytrip deal was found by Cheapflights users on 12/31. 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 1/282:35 pmSEA - LTN
1 stop14h 20mMultiple Airlines
Wed 2/48:00 amLTN - SEA
1 stop17h 00mMultiple Airlines
Deal found 12/31$713

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 January 2, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$558
(Mytrip)

One-way from

$366
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$659
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 January 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 January 2, 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

Thu 1/22

2:35 pm-8:55 pm

2 stops22h 20m

London Luton

Fri 1/30

9:40 pm-5:00 pm

2 stops27h 20m

$576

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

$611

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sun 2/1

2:35 pm-9:55 pm

2 stops23h 20m

London Luton

Wed 2/11

7:00 am-5:00 pm

2 stops18h 00m

$648

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Fri 2/6

5:50 am-2:45 pm

3 stops24h 55m

London Luton

Thu 2/19

5:00 pm-7:16 pm

3 stops34h 16m

$653

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 3/23

3:35 pm-2:10 pm

2 stops15h 35m

London Luton

Tue 3/31

7:15 am-5:55 pm

2 stops18h 40m

$662

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-2:50 pm

1 stop16h 15m

London Luton

Tue 3/10

7:00 am-6:00 pm

1 stop18h 00m

$665

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 1/15

2:35 pm-2:05 pm

2 stops15h 30m

London Luton

Fri 1/23

8:50 am-5:00 pm

2 stops16h 10m

$681

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 2/19

2:35 pm-3:00 pm

2 stops16h 25m

London Luton

Wed 2/25

7:00 am-5:00 pm

2 stops18h 00m

$686

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Thu 1/29

2:35 pm-9:30 pm

2 stops22h 55m

London Luton

Thu 2/12

6:15 am-5:00 pm

2 stops18h 45m

$688

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 3/9

3:35 pm-2:00 pm

1 stop15h 25m

London Luton

Wed 3/18

8:00 am-6:00 pm

1 stop17h 00m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 19 results
1
2
  • 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

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
Folkestone
Eastbourne

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