How long is the flight from United Kingdom to Seattle?

A quick flight from United Kingdom to Seattle can take about 13h 30m. Scandinavian Airlines provides one of the quickest options available for as low as £454. Airlines will cover a distance of 4468 mi. Both multi-stop and direct flights can be found to your destination and back.

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 £369. Users have also found prices from £432 and £510 on Aer Lingus and SWISS, respectively.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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

The most popular flight routes from United Kingdom to Seattle are London Heathrow - Seattle/Tacoma Intl, London Gatwick - Seattle/Tacoma Intl and London City - Seattle/Tacoma Intl.

What are the cheapest flights from United Kingdom to Seattle?

Looking for the cheapest flight from United Kingdom to Seattle? While on average our users pay £1,541, our data indicates the cheapest price to be £476. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £368.

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 Scandinavian Airlines (95%), KLM (90%) and Air France (90%).

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

Air Canada, Air France and Finnair 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 up to 41% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from United Kingdom to Seattle from £548 1-2 weeks out and tickets from £791 for flights departing within the next 72 hours.

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

January can be a great time to fly to Seattle from United Kingdom with a flight ticket averaging about £549. Cheapflights users have found deals in the month of January for as cheap as £323. The most expensive prices can be found in the month of August.

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 holiday 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.

£288+ Flights from the United Kingdom to Seattle

Cheap flight deals from United Kingdom to Seattle

Round-trip from	£424
One-way from	£288
Popular in	August
Cheapest in	January
Average price	£696
Good round-trip deal	£535 or less
Good one-way deal	£602 or less

9/10-12/10
4 total stops
57h 10m total
United Kingdom to Seattle

Search Deals

31/10
2 total stops
52h 20m total
United Kingdom to Seattle

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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

Search Deals

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

Search Deals

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 29 August 2025.

Thu 9/1011:40EDI - SEA

2 stops34h 20mMultiple Airlines

Sun 12/1016:20SEA - EDI

2 stops22h 50mMultiple Airlines

Deal found 29/8£424

Fri 17/1019:45EDI - SEA

2 stops50h 15mScandinavian Airlines

Sun 19/1016:20SEA - EDI

2 stops36h 10mScandinavian Airlines

Deal found 28/8£447

Fri 7/1111:30EDI - SEA

1 stop13h 30mIcelandair

Wed 12/1114:35SEA - EDI

1 stop11h 45mIcelandair

Deal found 28/8£454

Fri 7/1111:30EDI - SEA

1 stop13h 30mIcelandair

Mon 10/1114:35SEA - EDI

1 stop11h 45mIcelandair

Deal found 28/8£455

Thu 9/1019:10BHX - SEA

1 stop26h 50mScandinavian Airlines

Sun 19/1016:20SEA - BHX

1 stop18h 15mScandinavian Airlines

Deal found 26/8£462

Fri 14/1114:30LHR - SEA

1 stop27h 01mAir Canada

Thu 18/1208:15SEA - LHR

1 stop14h 15mAir Canada

Deal found 28/8£471

Sat 4/1015:40LGW - SEA

1 stop34h 10mIcelandair

Sat 11/1019:00SEA - LGW

1 stop11h 35mIcelandair

Deal found 28/8£473

Thu 4/913:25LHR - SEA

Nonstop10h 05mVirgin Atlantic

Thu 18/910:15SEA - LHR

1 stop15h 45mVirgin Atlantic

Deal found 28/8£473

Sun 26/1014:40LGW - SEA

1 stop34h 20mIcelandair

Sat 8/1114:35SEA - LGW

1 stop12h 20mIcelandair

Deal found 26/8£474

Mon 15/917:25LHR - SEA

Nonstop10h 25mDelta

Wed 1/1006:00SEA - LHR

1 stop18h 55mDelta

Deal found 27/8£474

Tue 16/915:05LGW - SEA

2 stops25h 07mAmerican Airlines

Wed 24/906:05SEA - LGW

2 stops18h 05mAmerican Airlines

Deal found 27/8£474

Mon 15/916:55LHR - SEA

2 stops23h 12mFinnair

Mon 22/915:23SEA - LHR

1 stop16h 42mFinnair

Deal found 27/8£474

Best flights from United Kingdom to Seattle
Discover carefully curated flight deals from United Kingdom to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Thu 9/1011:40EDI - SEA

2 stops34h 20mMultiple Airlines

Sun 12/1016:20SEA - EDI

2 stops22h 50mMultiple Airlines

Deal found 29/8£424

Fri 17/1019:45EDI - SEA

2 stops50h 15mScandinavian Airlines

Sun 19/1016:20SEA - EDI

2 stops36h 10mScandinavian Airlines

Deal found 28/8£447

Fri 7/1111:30EDI - SEA

1 stop13h 30mIcelandair

Wed 12/1114:35SEA - EDI

1 stop11h 45mIcelandair

Deal found 28/8£454

Fri 14/1114:30LHR - SEA

1 stop27h 01mAir Canada

Thu 18/1208:15SEA - LHR

1 stop14h 15mAir Canada

Deal found 28/8£471

Wed 3/1212:20LHR - SEA

Nonstop10h 40mDelta

Wed 10/1216:45SEA - LHR

Nonstop9h 45mDelta

Deal found 27/8£474

Mon 3/1114:55LHR - SEA

Nonstop10h 00mBritish Airways

Wed 12/1118:50SEA - LHR

Nonstop9h 30mBritish Airways

Deal found 27/8£474

Tue 16/915:05LGW - SEA

2 stops25h 07mAmerican Airlines

Wed 24/906:05SEA - LGW

2 stops18h 05mAmerican Airlines

Deal found 27/8£474

Tue 16/909:25LCY - SEA

2 stops17h 11mSWISS

Tue 23/914:29SEA - LCY

2 stops19h 01mSWISS

Deal found 28/8£477

Mon 15/909:20LCY - SEA

1 stop14h 45mVirgin Atlantic

Mon 22/917:40SEA - LCY

1 stop15h 00mVirgin Atlantic

Deal found 27/8£486

Mon 8/908:45LBA - SEA

1 stop17h 05mAer Lingus

Mon 15/919:35SEA - LBA

1 stop15h 35mAer Lingus

Deal found 27/8£508

Thu 11/911:50MAN - SEA

2 stops41h 28mUnited Airlines

Thu 25/923:40SEA - MAN

2 stops26h 40mUnited Airlines

Deal found 28/8£546

Tue 7/1017:25LBA - SEA

1 stop30h 40mKLM

Tue 14/1014:00SEA - LBA

1 stop18h 55mKLM

Deal found 28/8£557

Direct flights from United Kingdom to Seattle
Explore direct flight options from United Kingdom to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.

Mon 15/917:25LHR - SEA

Nonstop10h 25mDelta

Thu 2/1017:35SEA - LHR

Nonstop9h 45mDelta

Deal found 27/8£474

Fri 31/1012:20LHR - SEA

Nonstop10h 25mVirgin Atlantic

Wed 5/1116:48SEA - LHR

Nonstop9h 42mVirgin Atlantic

Deal found 28/8£475

Mon 24/1112:20LHR - SEA

Nonstop10h 28mVirgin Atlantic

Tue 2/1216:45SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 26/8£477

Mon 8/913:25LHR - SEA

Nonstop10h 05mVirgin Atlantic

Mon 22/917:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 27/8£478

Wed 15/1009:50LHR - SEA

Nonstop9h 45mBritish Airways

Mon 20/1020:20SEA - LHR

Nonstop9h 20mBritish Airways

Deal found 27/8£480

Wed 8/1017:25LHR - SEA

Nonstop10h 25mVirgin Atlantic

Tue 14/1017:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 27/8£483

Mon 8/913:25LHR - SEA

Nonstop10h 05mVirgin Atlantic

Fri 26/917:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 28/8£484

Tue 16/917:25LHR - SEA

Nonstop10h 25mVirgin Atlantic

Wed 24/920:25SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 27/8£485

Fri 12/913:25LHR - SEA

Nonstop10h 05mVirgin Atlantic

Mon 22/917:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 28/8£487

Sat 25/1009:20LHR - SEA

Nonstop10h 25mVirgin Atlantic

Mon 3/1116:48SEA - LHR

Nonstop9h 42mVirgin Atlantic

Deal found 28/8£489

Mon 8/913:25LHR - SEA

Nonstop10h 05mMultiple Airlines

Mon 22/920:25SEA - LHR

Nonstop9h 50mMultiple Airlines

Deal found 26/8£491

Last-minute flights from United Kingdom to Seattle
Discover last-minute flight deals from United Kingdom to Seattle. Data last updated 29 August 2025 and is based on user searches.

Thu 4/913:25LHR - SEA

Nonstop10h 05mVirgin Atlantic

Thu 18/910:15SEA - LHR

1 stop15h 45mVirgin Atlantic

Deal found 28/8£473

Mon 8/919:05LHR - SEA

2 stops26h 54mFinnair

Fri 26/906:05SEA - LHR

2 stops16h 15mFinnair

Deal found 28/8£476

Mon 8/906:50LHR - SEA

2 stops20h 41mMultiple Airlines

Mon 22/907:15SEA - LHR

1 stop18h 20mMultiple Airlines

Deal found 26/8£477

Mon 8/913:25LHR - SEA

Nonstop10h 05mVirgin Atlantic

Mon 22/917:35SEA - LHR

Nonstop9h 45mVirgin Atlantic

Deal found 27/8£478

Mon 8/915:40LGW - SEA

1 stop13h 00mIcelandair

Fri 26/919:00SEA - LGW

1 stop11h 40mIcelandair

Deal found 27/8£479

Fri 12/914:00LGW - SEA

2 stops38h 39mMultiple Airlines

Sun 28/910:10SEA - LGW

1 stop16h 45mMultiple Airlines

Deal found 27/8£478

Fri 12/908:40LHR - SEA

2 stops17h 56mAir Canada

Mon 22/910:00SEA - LHR

2 stops17h 50mAir Canada

Deal found 28/8£480

Mon 15/917:25LHR - SEA

Nonstop10h 25mDelta

Tue 30/920:25SEA - LHR

Nonstop9h 50mDelta

Deal found 27/8£474

Mon 15/916:55LHR - SEA

2 stops23h 12mFinnair

Mon 22/915:23SEA - LHR

1 stop16h 42mFinnair

Deal found 27/8£474

Tue 16/915:05LGW - SEA

2 stops25h 07mAmerican Airlines

Wed 24/906:05SEA - LGW

2 stops18h 05mAmerican Airlines

Deal found 27/8£474

Tue 16/909:25LCY - SEA

2 stops17h 11mSWISS

Tue 23/914:29SEA - LCY

2 stops19h 01mSWISS

Deal found 28/8£477

Wed 17/913:05LHR - SEA

1 stop12h 45mIcelandair

Tue 30/919:00SEA - LHR

1 stop32h 55mIcelandair

Deal found 27/8£475

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 29 August 2025.

Fri 31/1018:00EDI - SEA

2 stops52h 20mMultiple Airlines

Deal found 27/8£288

Tue 9/919:15EDI - SEA

3 stops49h 44mMultiple Airlines

Deal found 28/8£289

Sun 2/1105:00EDI - SEA

3 stops36h 23mMultiple Airlines

Deal found 27/8£297

Tue 2/1218:30EDI - SEA

2 stops51h 50mMultiple Airlines

Deal found 28/8£305

Mon 3/1106:15EDI - SEA

2 stops36h 10mMultiple Airlines

Deal found 27/8£326

Thu 30/1006:15EDI - SEA

2 stops35h 10mMultiple Airlines

Deal found 27/8£328

Thu 13/1109:20GLA - SEA

2 stops33h 15mMultiple Airlines

Deal found 27/8£335

Wed 29/1019:50EDI - SEA

3 stops29h 00mMultiple Airlines

Deal found 27/8£366

Sun 12/1017:40BHX - SEA

3 stops59h 25mMultiple Airlines

Deal found 28/8£368

Sun 12/1019:45MAN - SEA

3 stops55h 46mMultiple Airlines

Deal found 26/8£369

Tue 2/920:50LHR - SEA

3 stops53h 02mMultiple Airlines

Deal found 28/8£369

Mon 27/1006:40LHR - SEA

3 stops47h 10mMultiple Airlines

Deal found 28/8£370

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

Thu 9/10

11:40-14:00

2 stops34h 20m

Seattle/Tacoma Intl

Sun 12/10

16:20-23:10

2 stops22h 50m

£424

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Fri 17/10

19:45-14:00

2 stops50h 15m

Seattle/Tacoma Intl

Sun 19/10

16:20-12:30

2 stops36h 10m

£447

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Fri 7/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Wed 12/11

14:35-10:20

1 stop11h 45m

£454

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Fri 7/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 10/11

14:35-10:20

1 stop11h 45m

£455

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 9/10

19:10-14:00

1 stop26h 50m

Seattle/Tacoma Intl

Sun 19/10

16:20-18:35

1 stop18h 15m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 14/11

14:30-09:31

1 stop27h 01m

Seattle/Tacoma Intl

Thu 18/12

08:15-06:30

1 stop14h 15m

£471

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 4/10

15:40-17:50

1 stop34h 10m

Seattle/Tacoma Intl

Sun 12/10

19:00-14:40

1 stop11h 40m

£473

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 4/10

15:40-17:50

1 stop34h 10m

Seattle/Tacoma Intl

Fri 10/10

19:00-14:40

1 stop11h 40m

£473

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 3/12

12:20-15:00

Nonstop10h 40m

Seattle/Tacoma Intl

Wed 10/12

16:45-10:30

Nonstop9h 45m

£474

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 3/11

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Wed 12/11

18:50-12:20

Nonstop9h 30m

£474

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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 return 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 £622). Flying from United Kingdom to Seattle in July is currently the most expensive (average of £946). 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 Wednesday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown with KLM, Air France, andVirgin Atlantic from the United Kingdom to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,382 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Air France

7.4

Good

1,472 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Virgin Atlantic

7.4

Good

661 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Icelandair

7.0

Good

537 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,316 reviews

KLM

7.8

Good

1,382 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.
How long is the flight from United Kingdom to Seattle?
A quick flight from United Kingdom to Seattle can take about 13h 30m. Scandinavian Airlines provides one of the quickest options available for as low as £454. Airlines will cover a distance of 4468 mi. Both multi-stop and direct flights can be found to your destination and back.
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 £369. Users have also found prices from £432 and £510 on Aer Lingus and SWISS, respectively.
What are the most popular routes from United Kingdom to Seattle?
The most popular flight routes from United Kingdom to Seattle are London Heathrow - Seattle/Tacoma Intl, London Gatwick - Seattle/Tacoma Intl and London City - Seattle/Tacoma Intl.
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 Scandinavian Airlines (95%), KLM (90%) and Air France (90%).
What are the cheapest flights from United Kingdom to Seattle?
Looking for the cheapest flight from United Kingdom to Seattle? While on average our users pay £1,541, our data indicates the cheapest price to be £476. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £368.
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 holiday 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 £622). Flying from United Kingdom to Seattle in July is currently the most expensive (average of £946). 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

Tacoma

Leavenworth

Bothell

SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from United Kingdom to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£323	Average£546	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air France	Cheapest£382	Average£669	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Lufthansa	Cheapest£393	Average£564	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Finnair	Cheapest£395	Average£589	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£402	Average£608	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£403	Average£627	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£428	Average£615	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£441	Average£600	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Delta	Cheapest£442	Average£625	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£458	Average£641	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Seattle?

Cheapflights helps you find that perfect flight to Seattle from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from United Kingdom to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from United Kingdom to Seattle become cheaper?

Yes! Start tracking prices for United Kingdom to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from the United Kingdom to Seattle from £288

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 29 August 2025.

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Good round-trip deal

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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 29 August 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 29 August 2025.

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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 29 August 2025.

Weekly flight availability from United Kingdom to Seattle

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown with KLM, Air France, andVirgin Atlantic from the United Kingdom to Seattle. Users can see the overall rating for each airline as well as how each is rated 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?

How long is the flight from United Kingdom to Seattle?

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?

Travelling to a place near Seattle?

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Alternative routes for United Kingdom to Seattle

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Top 10 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 29 August 2025.