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Luton

$310+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LTN
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$677
(Mytrip)

One-way from

$312
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$684
Provider with most accurate pricing for Seattle/Tacoma Intl-London Luton flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London Luton flights.
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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. 18% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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 7/205:35 amSEA - LTN
3 stops31h 55mMultiple Airlines
Mon 7/289:55 pmLTN - SEA
2 stops24h 21mMultiple Airlines
Deal found 4/28$677

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 30, 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

Sun 7/20

5:35 am-9:30 pm

3 stops31h 55m

London Luton

Mon 7/28

9:55 pm-2:16 pm

2 stops24h 21m

$677

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Mon 7/28

3:45 pm-9:25 pm

3 stops21h 40m

$310

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Sat 6/14

5:35 pm-1:30 am

1 stop23h 55m

$5,207

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from Seattle to Luton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Luton in April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 >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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to London Luton Airport

Rainfall in Luton by month

Plan your trip to Luton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Luton Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Luton Airport when rainfall is around 1.6 in.

Temperature in Luton by month

Plan your trip to Luton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Luton Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Luton

Get insights into the airlines that provide service to Luton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luton. Reviews last updated April 30, 2025.
Air France
7.4
Good
1,446 reviews

Comfort

7.4

Crew

8.2

Entertainment

7.0

Overall

7.4

Boarding

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air France
7.4
Good
1,446 reviews
Air France
7.4
Good
1,446 reviews

Comfort

7.4

Crew

8.2

Entertainment

7.0

Overall

7.4

Boarding

7.4

Food

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
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Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

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