What are the cheapest airlines to fly from United Kingdom to Seattle one-way?

For one-way options, check prices for WestJet. According to our data, you can fly for as low as $371. Users have also found prices from $529 and $566 on Aer Lingus and Icelandair, respectively.

What are the most popular routes from United Kingdom to Seattle?

Most travelers choose London Heathrow - Seattle/Tacoma Intl, London Gatwick - Seattle/Tacoma Intl or London City - Seattle/Tacoma Intl when deciding on the best route from United Kingdom to Seattle.

What are the cheapest flights from United Kingdom to Seattle?

While on average a flight from United Kingdom to Seattle is generally $1,594, our data shows the cheapest flight currently is $633. When looking at the most popular route, (London Heathrow - Seattle/Tacoma Intl), you can expect to pay $425 for that flight.

What are the most reliable airlines from United Kingdom to Seattle?

The top 3 most reliable airlines when flying from United Kingdom to Seattle are Aeromexico (98%), Singapore Airlines (98%) and KLM (92%).

What are the most popular airlines that fly from United Kingdom to Seattle?

American Airlines, British Airways and Delta are the most popular airlines when flying from United Kingdom to Seattle.

How far in advance should I book a flight from United Kingdom to Seattle?

To save on the cost of your flight from United Kingdom to Seattle, book at least 44 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $783 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,077.

What is the cheapest month to fly from United Kingdom to Seattle?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Seattle. Flights to Seattle from United Kingdom in January are about $771 on average during January, but can be found for as low as $437.

What airport do you fly into for flights to Seattle from United Kingdom?

For a flight from United Kingdom to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

Can I find deals for flights from United Kingdom to Seattle that include hotel bookings?

Yes. In addition to deals on United Kingdom to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Seattle.

Can I find deals for business class flights from United Kingdom to Seattle?

Yes. Cheapflights offers flight deals from United Kingdom to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$659+ Flights from the United Kingdom to Seattle

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Cheap flight deals from United Kingdom to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$532 (United Airlines)
One-way from	$318 (Kiwi.com)
Popular in	August
Cheapest in	January
Average price	$683
Good round-trip deal	$694 or less
Good one-way deal	$746 or less

Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.

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From United Kingdom to Seattle/Tacoma Intl

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One-way flight from United Kingdom to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($143 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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Price to beat on a round-trip flight from United Kingdom to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from United Kingdom to Seattle/Tacoma Intl.

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Find flight deals from United Kingdom to Seattle

Cheapest flights from United Kingdom to Seattle
Explore the most affordable flight options available from United Kingdom to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Sun 4/2712:30 pmEDI - SEA

2 stops29h 17mUnited Airlines

Sun 5/42:14 pmSEA - EDI

2 stops34h 11mUnited Airlines

Deal found 3/31

$532

Mon 4/285:50 amGLA - SEA

1 stop13h 45mBritish Airways

Mon 5/58:20 pmSEA - GLA

1 stop14h 10mBritish Airways

Deal found 3/31

$581

Tue 4/159:25 pmLHR - SEA

1 stop31h 15mIcelandair

Thu 4/247:00 pmSEA - LHR

1 stop17h 20mIcelandair

Deal found 3/30

$594

Wed 4/163:40 pmLGW - SEA

1 stop13h 00mIcelandair

Thu 4/247:00 pmSEA - LGW

1 stop11h 40mIcelandair

Deal found 3/30

$596

Mon 4/286:00 amLHR - SEA

2 stops24h 43mMultiple Airlines

Fri 5/236:50 pmSEA - LHR

1 stop16h 50mMultiple Airlines

Deal found 3/29

$596

Wed 5/216:40 amLHR - SEA

1 stop15h 10mScandinavian Airlines

Fri 6/64:00 pmSEA - LHR

1 stop33h 20mScandinavian Airlines

Deal found 3/30

$597

Thu 5/158:40 amLHR - SEA

2 stops18h 57mAir Canada

Thu 5/227:20 amSEA - LHR

1 stop18h 40mAir Canada

Deal found 3/30

$598

Fri 5/26:30 amLHR - SEA

1 stop13h 55mUnited Airlines

Sun 5/1112:45 pmSEA - LHR

1 stop13h 40mUnited Airlines

Deal found 3/30

$604

Thu 5/18:05 pmLHR - SEA

2 stops30h 47mSWISS

Mon 5/122:40 pmSEA - LHR

2 stops38h 20mSWISS

Deal found 3/30

$606

Wed 5/217:05 amSTN - SEA

1 stop14h 45mMultiple Airlines

Fri 6/64:00 pmSEA - STN

1 stop15h 45mMultiple Airlines

Deal found 3/30

$607

Tue 4/229:50 amLHR - SEA

1 stop15h 09mBritish Airways

Wed 4/308:20 pmSEA - LHR

Nonstop9h 20mBritish Airways

Deal found 3/30

$610

Wed 5/216:55 amEDI - SEA

2 stops21h 33mMultiple Airlines

Wed 5/286:00 amSEA - EDI

2 stops20h 05mMultiple Airlines

Deal found 3/30

$612

Best flights from United Kingdom to Seattle
Discover carefully curated flight deals from United Kingdom to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2025.

Sun 4/2712:30 pmEDI - SEA

2 stops29h 17mUnited Airlines

Sun 5/42:14 pmSEA - EDI

2 stops34h 11mUnited Airlines

Deal found 3/31

$532

Mon 4/285:50 amGLA - SEA

1 stop13h 45mBritish Airways

Mon 5/58:20 pmSEA - GLA

1 stop14h 10mBritish Airways

Deal found 3/31

$581

Tue 4/159:25 pmLHR - SEA

1 stop31h 15mIcelandair

Thu 4/247:00 pmSEA - LHR

1 stop17h 20mIcelandair

Deal found 3/30

$594

Mon 4/286:00 amLHR - SEA

2 stops24h 43mMultiple Airlines

Fri 5/236:50 pmSEA - LHR

1 stop16h 50mMultiple Airlines

Deal found 3/29

$596

Wed 5/216:40 amLHR - SEA

1 stop15h 10mScandinavian Airlines

Fri 6/64:00 pmSEA - LHR

1 stop33h 20mScandinavian Airlines

Deal found 3/30

$597

Thu 5/158:40 amLHR - SEA

2 stops18h 57mAir Canada

Thu 5/227:20 amSEA - LHR

1 stop18h 40mAir Canada

Deal found 3/30

$598

Thu 5/18:05 pmLHR - SEA

2 stops30h 47mSWISS

Mon 5/122:40 pmSEA - LHR

2 stops38h 20mSWISS

Deal found 3/30

$606

Thu 5/14:25 pmLHR - SEA

1 stop32h 34mLufthansa

Thu 5/810:00 amSEA - LHR

2 stops17h 50mLufthansa

Deal found 3/30

$612

Mon 4/216:30 amLHR - SEA

1 stop13h 15mDelta

Mon 5/55:35 pmSEA - LHR

Nonstop9h 45mDelta

Deal found 3/31

$614

Mon 4/2112:00 pmLHR - SEA

1 stop17h 14mFinnair

Mon 5/55:40 pmSEA - LHR

1 stop13h 30mFinnair

Deal found 3/30

$616

Sun 4/278:55 pmLHR - SEA

1 stop22h 50mKLM

Sun 5/48:20 pmSEA - LHR

Nonstop9h 55mKLM

Deal found 3/30

$620

Mon 4/211:25 pmLHR - SEA

Nonstop10h 20mVirgin Atlantic

Mon 5/55:35 pmSEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 3/31

$625

Last-minute flights from United Kingdom to Seattle
Discover last-minute flight deals from United Kingdom to Seattle. Data last updated March 31, 2025 and is based on user searches.

Sun 4/69:20 pmLGW - SEA

2 stops29h 49mMultiple Airlines

Thu 4/1010:45 amSEA - LGW

2 stops36h 10mMultiple Airlines

Deal found 3/31

$922

Mon 4/74:15 pmLHR - SEA

2 stops29h 44mUnited Airlines

Tue 4/227:08 amSEA - LHR

2 stops39h 12mUnited Airlines

Deal found 3/31

$698

Mon 4/79:40 amEDI - SEA

2 stops19h 35mUnited Airlines

Tue 4/2211:59 pmSEA - EDI

2 stops26h 36mUnited Airlines

Deal found 3/31

$798

Mon 4/75:15 pmEDI - SEA

1 stop26h 30mKLM

Wed 4/232:10 pmSEA - EDI

1 stop23h 35mKLM

Deal found 3/31

$811

Mon 4/71:20 pmEDI - SEA

1 stop34h 40mDelta

Wed 4/2310:05 pmSEA - EDI

2 stops28h 40mDelta

Deal found 3/31

$859

Mon 4/79:25 pmLHR - SEA

1 stop28h 25mIcelandair

Tue 4/227:00 pmSEA - LHR

1 stop17h 20mIcelandair

Deal found 3/30

$887

Tue 4/82:05 pmLHR - SEA

2 stops32h 18mAir Canada

Tue 4/227:05 pmSEA - LHR

1 stop34h 15mAir Canada

Deal found 3/30

$693

Tue 4/86:20 amLHR - SEA

1 stop18h 39mBritish Airways

Sat 4/121:35 pmSEA - LHR

1 stop33h 15mBritish Airways

Deal found 3/31

$767

Tue 4/89:25 amLHR - SEA

Nonstop9h 45mMultiple Airlines

Sat 4/121:35 pmSEA - LHR

1 stop33h 15mMultiple Airlines

Deal found 3/31

$778

Tue 4/89:55 amLHR - SEA

1 stop14h 05mKLM

Tue 4/228:20 pmSEA - LHR

Nonstop9h 55mKLM

Deal found 3/31

$874

Tue 4/81:25 pmLHR - SEA

Nonstop10h 20mVirgin Atlantic

Tue 4/225:35 pmSEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 3/30

$877

Tue 4/89:05 amLCY - SEA

1 stop15h 54mBritish Airways

Tue 4/226:45 pmSEA - LCY

1 stop15h 35mBritish Airways

Deal found 3/30

$915

One-way flights from United Kingdom to Seattle
Search for one-way flight options from United Kingdom to Seattle. Find affordable one-way fares based on user searches. Data last updated March 31, 2025.

Mon 5/267:30 amEDI - SEA

2 stops37h 28mMultiple Airlines

Deal found 3/31

$318

Mon 5/2612:05 pmEDI - SEA

1 stop32h 53mWestJet

Deal found 3/31

$371

Tue 5/273:55 pmGLA - SEA

3 stops38h 18mMultiple Airlines

Deal found 3/30

$382

Sun 6/89:10 pmNCL - SEA

3 stops55h 18mMultiple Airlines

Deal found 3/30

$402

Wed 8/209:20 pmMAN - SEA

3 stops23h 38mMultiple Airlines

Deal found 3/30

$503

Wed 4/239:50 amLHR - SEA

1 stop15h 09mAer Lingus

Deal found 3/30

$529

Sun 6/152:10 pmLHR - SEA

1 stop30h 48mWestJet

Deal found 3/30

$533

Mon 9/1510:45 amLGW - SEA

3 stops34h 14mWestJet

Deal found 3/31

$534

Sun 6/299:25 pmLHR - SEA

2 stops23h 33mMultiple Airlines

Deal found 3/30

$535

Tue 6/39:05 amLCY - SEA

2 stops19h 23mMultiple Airlines

Deal found 3/30

$537

Sun 7/206:50 amLTN - SEA

2 stops43h 48mMultiple Airlines

Deal found 3/30

$539

Wed 8/2010:55 amLGW - SEA

1 stop31h 59mMultiple Airlines

Deal found 3/30

$540

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Sun 4/27

12:30 pm-9:47 am

2 stops29h 17m

Seattle/Tacoma Intl

Sun 5/4

2:14 pm-8:25 am

2 stops34h 11m

$532

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 4/28

5:50 am-11:35 am

1 stop13h 45m

Seattle/Tacoma Intl

Mon 5/5

8:20 pm-6:30 pm

1 stop14h 10m

$581

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 4/15

9:25 pm-8:40 pm

1 stop31h 15m

Seattle/Tacoma Intl

Thu 4/24

7:00 pm-8:20 pm

1 stop17h 20m

$594

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 4/28

6:00 am-10:43 pm

2 stops24h 43m

Seattle/Tacoma Intl

Fri 5/23

6:50 pm-7:40 pm

1 stop16h 50m

$596

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 4/16

3:40 pm-8:40 pm

1 stop13h 00m

Seattle/Tacoma Intl

Thu 4/24

7:00 pm-2:40 pm

1 stop11h 40m

$596

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 5/21

6:40 am-1:50 pm

1 stop15h 10m

Seattle/Tacoma Intl

Fri 6/6

4:00 pm-9:20 am

1 stop33h 20m

$597

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 5/15

8:40 am-7:37 pm

2 stops18h 57m

Seattle/Tacoma Intl

Thu 5/22

7:20 am-10:00 am

1 stop18h 40m

$598

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 5/2

6:30 am-12:25 pm

1 stop13h 55m

Seattle/Tacoma Intl

Thu 5/8

12:55 pm-10:40 am

1 stop13h 45m

$604

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 5/1

8:05 pm-6:52 pm

2 stops30h 47m

Seattle/Tacoma Intl

Mon 5/12

2:40 pm-1:00 pm

2 stops38h 20m

$606

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 5/21

7:05 am-1:50 pm

1 stop14h 45m

Seattle/Tacoma Intl

Fri 6/6

4:00 pm-3:45 pm

1 stop15h 45m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from United Kingdom 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 the United Kingdom to Seattle

What is the cheapest month to book a flight from United Kingdom to Seattle?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Seattle (average of $238). Flying from United Kingdom to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to SEA?

When flying from United Kingdom to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Seattle

The most flights from GB0 to SEA are scheduled on a Monday (21 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from United Kingdom to Seattle to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,899 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

770 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,570 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Seattle from United Kingdom?
For a flight from United Kingdom to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.
What are the cheapest airlines to fly from United Kingdom to Seattle one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as $371. Users have also found prices from $529 and $566 on Aer Lingus and Icelandair, respectively.
What are the most popular routes from United Kingdom to Seattle?
Most travelers choose London Heathrow - Seattle/Tacoma Intl, London Gatwick - Seattle/Tacoma Intl or London City - Seattle/Tacoma Intl when deciding on the best route from United Kingdom to Seattle.
What are the most reliable airlines from United Kingdom to Seattle?
The top 3 most reliable airlines when flying from United Kingdom to Seattle are Aeromexico (98%), Singapore Airlines (98%) and KLM (92%).
What are the cheapest flights from United Kingdom to Seattle?
While on average a flight from United Kingdom to Seattle is generally $1,594, our data shows the cheapest flight currently is $633. When looking at the most popular route, (London Heathrow - Seattle/Tacoma Intl), you can expect to pay $425 for that flight.
Can I find deals for flights from United Kingdom to Seattle that include hotel bookings?
Yes. In addition to deals on United Kingdom to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Seattle.
Can I find deals for business class flights from United Kingdom to Seattle?
Yes. Cheapflights offers flight deals from United Kingdom to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to Seattle?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Seattle (average of $238). Flying from United Kingdom to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

SeaTac

Tukwila

Tacoma

Lakewood

Renton

Lacey

Ocean Shores

Leavenworth

Federal Way

Olympia

Cle Elum

Centralia

Mukilteo

Aberdeen

Shoreline

Lynnwood

Shelton

Silverdale

Redmond

Monroe

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Top 8 airlines flying from United Kingdom to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$402	Average$740	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$551	Average$996	FlexibilityNo cancel fee	On-time70%
Aer Lingus	Cheapest$620	Average$1,011	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$621	Average$807	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$635	Average$947	FlexibilityNo cancel fee	On-time72%
Iberia	Cheapest$673	Average$975	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$674	Average$844	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$681	Average$861	FlexibilityNo cancel fee	On-timeN/A

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$318+ Cheap flights from the United Kingdom to Seattle (SEA)

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from United Kingdom to Seattle with Cheapflights

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Cheap flight deals from United Kingdom to Seattle

Keep the following information in mind while searching for United Kingdom to Seattle flight deals. Data was last updated March 31, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to Seattle

Cheapest flights from United Kingdom to SeattleExplore the most affordable flight options available from United Kingdom to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Explore the most affordable flight options available from United Kingdom to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Seattle that are best for you.

Best time to book a flight from United Kingdom to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Seattle

What is the cheapest month to book a flight from United Kingdom to Seattle?

What is the cheapest time of day to fly from GB to SEA?

Find hourly flight availability from United Kingdom to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Weekly flight availability from United Kingdom to Seattle

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from United Kingdom to Seattle to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Seattle. 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 into for flights to Seattle from United Kingdom?

What are the cheapest airlines to fly from United Kingdom to Seattle one-way?

What are the most popular routes from United Kingdom to Seattle?

What are the most reliable airlines from United Kingdom to Seattle?

What are the cheapest flights from United Kingdom to Seattle?

Can I find deals for flights from United Kingdom to Seattle that include hotel bookings?

How can I find direct flights from United Kingdom to Seattle?

Can I find deals for business class flights from United Kingdom to Seattle?

What is the cheapest month to book a flight from United Kingdom to Seattle?

Traveling to a place near the United Kingdom?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from United Kingdom to Seattle

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Cheapest flights from United Kingdom to Seattle
Explore the most affordable flight options available from United Kingdom to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.