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Luton

$265+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
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 septiembre 15, 2025.

Round-trip from

$521
(Mytrip)

One-way from

$265
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$697
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 September 2025
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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 septiembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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.
lun. 10/63:45 pmSEA - LTN
2 stops21h 40mMultiple Airlines
lun. 10/139:00 amLTN - SEA
2 stops16h 50mMultiple Airlines
Deal found 9/14$521
This Mytrip deal was found by Cheapflights users on 9/13. 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.
vie. 10/33:45 pmSEA - LTN
2 stops16h 00mMultiple Airlines
lun. 10/69:00 amLTN - SEA
2 stops16h 50mMultiple Airlines
Deal found 9/13$523
This Mytrip deal was found by Cheapflights users on 9/15. 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.
mié. 10/1510:00 amSEA - LTN
3 stops26h 45mMultiple Airlines
mar. 10/219:50 pmLTN - SEA
2 stops24h 26mMultiple Airlines
Deal found 9/15$545
This Mytrip deal was found by Cheapflights users on 9/14. 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.
mié. 10/299:05 pmSEA - LTN
1 stop19h 00mMultiple Airlines
vie. 11/75:50 amLTN - SEA
1 stop20h 30mMultiple Airlines
Deal found 9/14$546
This Mytrip deal was found by Cheapflights users on 9/14. 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.
dom. 9/217:15 amSEA - LTN
2 stops24h 25mMultiple Airlines
mar. 10/79:50 pmLTN - SEA
2 stops28h 46mMultiple Airlines
Deal found 9/14$566
This Mytrip deal was found by Cheapflights users on 9/14. 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.
sáb. 10/1110:00 amSEA - LTN
2 stops22h 05mMultiple Airlines
mar. 10/219:50 pmLTN - SEA
2 stops24h 26mMultiple Airlines
Deal found 9/14$582
This Mytrip deal was found by Cheapflights users on 9/15. 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.
mié. 10/226:50 pmSEA - LTN
2 stops17h 55mMultiple Airlines
lun. 11/37:05 pmLTN - SEA
2 stops25h 05mMultiple Airlines
Deal found 9/15$583
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mar. 10/147:35 pmSEA - LTN
1 stop18h 35mMultiple Airlines
mar. 10/2110:00 amLTN - SEA
1 stop15h 50mMultiple Airlines
Deal found 9/14$595
This Mytrip deal was found by Cheapflights users on 9/14. 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.
mié. 10/84:20 pmSEA - LTN
2 stops20h 20mMultiple Airlines
mar. 10/149:20 pmLTN - SEA
2 stops24h 40mMultiple Airlines
Deal found 9/14$599

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 septiembre 15, 2025.
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

vie. 10/3

3:45 pm-3:45 pm

2 stops16h 00m

London Luton

lun. 10/6

9:00 am-5:50 pm

2 stops16h 50m

$523

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mié. 10/15

10:00 am-8:45 pm

3 stops26h 45m

London Luton

mar. 10/21

9:50 pm-2:16 pm

2 stops24h 26m

$545

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mar. 10/14

7:35 pm-10:10 pm

1 stop18h 35m

London Luton

mar. 10/21

10:00 am-5:50 pm

1 stop15h 50m

$595

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mié. 11/12

2:35 pm-12:55 pm

1 stop14h 20m

London Luton

mar. 11/25

7:00 am-5:00 pm

1 stop18h 00m

$650

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mar. 10/14

3:45 pm-10:55 pm

2 stops23h 10m

London Luton

mié. 10/22

8:50 am-5:50 pm

2 stops17h 00m

$671

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mié. 10/15

5:30 am-8:45 pm

3 stops31h 15m

London Luton

lun. 10/20

9:55 pm-9:45 pm

2 stops31h 50m

$680

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mié. 10/22

6:50 pm-10:10 pm

2 stops19h 20m

London Luton

mar. 10/28

5:30 pm-2:20 pm

2 stops27h 50m

$698

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mar. 11/18

2:35 pm-2:50 pm

1 stop16h 15m

London Luton

jue. 11/27

6:00 am-5:00 pm

1 stop19h 00m

$702

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mié. 2/18

8:05 pm-5:05 pm

1 stop13h 00m

London Luton

dom. 2/22

1:10 pm-6:20 pm

1 stop13h 10m

$723

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

mié. 10/1

2:20 pm-3:25 pm

2 stops17h 05m

London Luton

sáb. 10/11

10:45 am-11:55 am

2 stops33h 10m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results
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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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

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