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 £383. Users have also found prices from £416 and £442 on Aer Lingus and Icelandair, 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 cheapest flights from United Kingdom to Seattle?

Looking for the cheapest flight from United Kingdom to Seattle? While on average our users pay £1,269, our data indicates the cheapest price to be £419. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £407.

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 Singapore Airlines (97%), KLM (89%) and Air France (89%).

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 37% on this flight, we recommend booking at least 44 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 £606 1-2 weeks out and tickets from £864 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 £610. Cheapflights users have found deals in the month of January for as cheap as £346. 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.

£499+ Flights from the United Kingdom to Seattle

Cheap flight deals from United Kingdom to Seattle

Round-trip from	£414
One-way from	£264
Popular in	August
Cheapest in	January
Average price	£524
Good round-trip deal	£511 or less
Good one-way deal	£555 or less

Icelandair
24/4-28/4
2 total stops
45h 45m total
United Kingdom to Seattle

Search Deals

4/3
3 total stops
37h 39m total
United Kingdom to Seattle

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£87 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 21 February 2025.

Thu 24/421:25LHR - SEA

1 stop28h 25mIcelandair

Mon 28/419:00SEA - LHR

1 stop17h 20mIcelandair

Deal found 20/2£414

Sat 13/915:40LGW - SEA

1 stop34h 10mIcelandair

Sat 20/915:45SEA - LGW

1 stop14h 55mIcelandair

Deal found 20/2£422

Sat 22/315:20LHR - SEA

1 stop29h 35mUnited Airlines

Mon 24/307:00SEA - LHR

1 stop17h 55mUnited Airlines

Deal found 20/2£423

Mon 17/306:30LHR - SEA

1 stop13h 40mLufthansa

Mon 31/315:05SEA - LHR

1 stop14h 15mLufthansa

Deal found 20/2£448

Mon 17/308:55LHR - SEA

2 stops19h 35mAir Canada

Mon 31/310:35SEA - LHR

1 stop18h 45mAir Canada

Deal found 20/2£452

Wed 19/311:10EDI - SEA

1 stop13h 45mBritish Airways

Wed 26/319:50SEA - EDI

1 stop15h 40mBritish Airways

Deal found 19/2£468

Wed 5/308:55LHR - SEA

2 stops45h 58mSWISS

Wed 12/314:50SEA - LHR

2 stops39h 10mSWISS

Deal found 19/2£469

Thu 6/308:55LHR - SEA

2 stops21h 58mMultiple Airlines

Sun 9/310:55SEA - LHR

1 stop14h 00mMultiple Airlines

Deal found 20/2£471

Thu 13/318:40LGW - SEA

2 stops34h 59mSWISS

Wed 26/314:50SEA - LGW

2 stops20h 00mSWISS

Deal found 20/2£473

Mon 17/317:35LHR - SEA

1 stop25h 45mVirgin Atlantic

Mon 31/317:35SEA - LHR

Nonstop9h 50mVirgin Atlantic

Deal found 20/2£475

Mon 17/306:30LHR - SEA

1 stop13h 10mKLM

Mon 31/320:20SEA - LHR

Nonstop9h 55mKLM

Deal found 20/2£486

Tue 22/409:25LHR - SEA

Nonstop9h 45mIberia

Wed 30/413:30SEA - LHR

Nonstop9h 20mIberia

Deal found 21/2£487

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 21 February 2025.

Thu 24/421:25LHR - SEA

1 stop28h 25mIcelandair

Mon 28/419:00SEA - LHR

1 stop17h 20mIcelandair

Deal found 20/2£414

Sat 22/315:20LHR - SEA

1 stop29h 35mUnited Airlines

Mon 24/307:00SEA - LHR

1 stop17h 55mUnited Airlines

Deal found 20/2£423

Mon 17/306:30LHR - SEA

1 stop13h 40mLufthansa

Mon 31/315:05SEA - LHR

1 stop14h 15mLufthansa

Deal found 20/2£448

Mon 17/308:55LHR - SEA

2 stops19h 35mAir Canada

Mon 31/310:35SEA - LHR

1 stop18h 45mAir Canada

Deal found 20/2£452

Wed 19/311:10EDI - SEA

1 stop13h 45mBritish Airways

Wed 26/319:50SEA - EDI

1 stop15h 40mBritish Airways

Deal found 19/2£468

Wed 5/308:55LHR - SEA

2 stops45h 58mSWISS

Wed 12/314:50SEA - LHR

2 stops39h 10mSWISS

Deal found 19/2£469

Thu 6/308:55LHR - SEA

2 stops21h 58mMultiple Airlines

Sun 9/310:55SEA - LHR

1 stop14h 00mMultiple Airlines

Deal found 20/2£471

Mon 17/313:15LHR - SEA

Nonstop10h 00mVirgin Atlantic

Mon 31/320:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 20/2£478

Wed 5/306:20LHR - SEA

1 stop13h 31mAir France

Wed 12/319:55SEA - LHR

Nonstop9h 45mAir France

Deal found 21/2£482

Mon 17/306:30LHR - SEA

1 stop13h 10mKLM

Mon 31/320:20SEA - LHR

Nonstop9h 55mKLM

Deal found 20/2£486

Tue 22/409:25LHR - SEA

Nonstop9h 45mIberia

Wed 30/413:30SEA - LHR

Nonstop9h 20mIberia

Deal found 21/2£487

Sat 22/309:25LHR - SEA

Nonstop9h 55mFinnair

Mon 24/310:41SEA - LHR

1 stop18h 24mFinnair

Deal found 20/2£505

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 21 February 2025.

Mon 17/313:15LHR - SEA

Nonstop10h 00mVirgin Atlantic

Mon 31/320:20SEA - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 20/2£478

Tue 22/409:25LHR - SEA

Nonstop9h 45mIberia

Wed 30/413:30SEA - LHR

Nonstop9h 20mIberia

Deal found 21/2£487

Wed 19/315:50LHR - SEA

Nonstop10h 15mKLM

Wed 26/319:55SEA - LHR

Nonstop9h 45mKLM

Deal found 20/2£499

Sat 22/309:25LHR - SEA

Nonstop9h 55mFinnair

Mon 24/319:50SEA - LHR

Nonstop9h 25mFinnair

Deal found 20/2£501

Wed 12/315:50LHR - SEA

Nonstop10h 15mDelta

Wed 19/318:45SEA - LHR

Nonstop9h 25mDelta

Deal found 19/2£505

Thu 13/315:00LHR - SEA

Nonstop9h 55mBritish Airways

Wed 26/319:50SEA - LHR

Nonstop9h 25mBritish Airways

Deal found 20/2£518

Thu 6/312:40LHR - SEA

Nonstop10h 00mAir France

Thu 2/1017:35SEA - LHR

Nonstop9h 50mAir France

Deal found 20/2£531

Wed 5/315:00LHR - SEA

Nonstop9h 55mMultiple Airlines

Wed 12/319:50SEA - LHR

Nonstop9h 25mMultiple Airlines

Deal found 19/2£532

Tue 20/509:25LHR - SEA

Nonstop9h 45mAmerican Airlines

Tue 3/613:30SEA - LHR

Nonstop9h 20mAmerican Airlines

Deal found 20/2£635

Last-minute flights from United Kingdom to Seattle
Discover last-minute flight deals from United Kingdom to Seattle. Data last updated 21 February 2025 and is based on user searches.

Wed 26/213:00LHR - SEA

1 stop17h 07mMultiple Airlines

Wed 5/309:20SEA - LHR

2 stops16h 50mMultiple Airlines

Deal found 19/2£495

Wed 26/206:10MAN - SEA

2 stops22h 09mUnited Airlines

Wed 5/310:52SEA - MAN

2 stops15h 28mUnited Airlines

Deal found 19/2£592

Wed 26/207:25EDI - SEA

2 stops19h 40mMultiple Airlines

Wed 5/306:03SEA - EDI

2 stops25h 22mMultiple Airlines

Deal found 19/2£609

Thu 27/219:25MAN - SEA

1 stop23h 55mMultiple Airlines

Thu 6/306:10SEA - MAN

2 stops31h 55mMultiple Airlines

Deal found 20/2£574

Thu 27/210:00EDI - SEA

1 stop14h 55mBritish Airways

Thu 6/310:41SEA - EDI

2 stops19h 04mBritish Airways

Deal found 20/2£618

Fri 28/213:00LHR - SEA

1 stop13h 25mLufthansa

Sat 8/312:55SEA - LHR

1 stop12h 45mLufthansa

Deal found 20/2£477

Fri 28/215:05LHR - SEA

1 stop16h 19mFinnair

Sat 8/318:50SEA - LHR

Nonstop9h 25mFinnair

Deal found 20/2£524

Sat 1/306:50LHR - SEA

2 stops21h 29mUnited Airlines

Sat 8/307:00SEA - LHR

1 stop21h 00mUnited Airlines

Deal found 20/2£474

Sat 1/313:05LHR - SEA

Nonstop10h 00mVirgin Atlantic

Sat 8/313:40SEA - LHR

1 stop13h 30mVirgin Atlantic

Deal found 20/2£526

Sat 1/309:25LHR - SEA

Nonstop9h 55mBritish Airways

Sat 8/318:50SEA - LHR

Nonstop9h 25mBritish Airways

Deal found 20/2£541

Sun 2/318:00LHR - SEA

2 stops28h 30mAir Canada

Sun 16/306:05SEA - LHR

2 stops18h 05mAir Canada

Deal found 20/2£501

Sun 2/320:25LHR - SEA

1 stop23h 12mKLM

Sun 16/318:45SEA - LHR

Nonstop9h 25mKLM

Deal found 20/2£513

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 21 February 2025.

Tue 4/316:20BHD - SEA

3 stops37h 39mMultiple Airlines

Deal found 20/2£264

Tue 18/312:10EDI - SEA

2 stops52h 42mMultiple Airlines

Deal found 21/2£290

Sun 16/307:50MAN - SEA

2 stops37h 31mMultiple Airlines

Deal found 20/2£303

Mon 17/321:10BFS - SEA

3 stops43h 42mMultiple Airlines

Deal found 21/2£304

Mon 17/314:00BHX - SEA

3 stops53h 32mMultiple Airlines

Deal found 20/2£315

Thu 27/211:00STN - SEA

2 stops18h 59mMultiple Airlines

Deal found 20/2£382

Tue 20/506:20LHR - SEA

3 stops33h 33mMultiple Airlines

Deal found 21/2£382

Thu 27/314:50LHR - SEA

2 stops26h 10mWestJet

Deal found 20/2£383

Thu 27/206:30LTN - SEA

2 stops23h 29mMultiple Airlines

Deal found 20/2£384

Thu 13/312:00LGW - SEA

2 stops27h 15mMultiple Airlines

Deal found 20/2£387

Fri 21/312:10LHR - SEA

1 stop14h 05mAer Lingus

Deal found 21/2£416

Mon 3/311:55LGW - SEA

1 stop13h 05mIcelandair

Deal found 20/2£442

Find flights from United Kingdom to Seattle within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 24/4

21:25-17:50

1 stop28h 25m

Seattle/Tacoma Intl

Mon 28/4

19:00-20:20

1 stop17h 20m

£414

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 22/3

15:20-13:55

1 stop29h 35m

Seattle/Tacoma Intl

Mon 24/3

07:00-07:55

1 stop17h 55m

£423

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 17/3

11:55-18:00

1 stop13h 05m

Seattle/Tacoma Intl

Mon 31/3

15:45-11:45

1 stop12h 00m

£441

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 17/3

06:30-13:10

1 stop13h 40m

Seattle/Tacoma Intl

Mon 31/3

15:05-13:20

1 stop14h 15m

£448

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 17/3

08:55-21:30

2 stops19h 35m

Seattle/Tacoma Intl

Mon 31/3

10:35-13:20

1 stop18h 45m

£452

EdinburghSeattle

EDI - SEA

EDISEA

Edinburgh Turnhouse

Wed 19/3

11:10-17:55

1 stop13h 45m

Seattle/Tacoma Intl

Wed 26/3

19:50-18:30

1 stop15h 40m

£468

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 5/3

08:55-22:53

2 stops45h 58m

Seattle/Tacoma Intl

Wed 12/3

14:50-13:00

2 stops39h 10m

£469

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 6/3

08:55-22:53

2 stops21h 58m

Seattle/Tacoma Intl

Sun 9/3

10:55-07:55

1 stop14h 00m

£471

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 13/3

18:40-22:39

2 stops34h 59m

Seattle/Tacoma Intl

Wed 26/3

14:50-17:50

2 stops20h 00m

£473

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 17/3

17:35-12:20

1 stop25h 45m

Seattle/Tacoma Intl

Mon 31/3

17:35-11:25

Nonstop9h 50m

£475

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from United Kingdom to Seattle

Get recent, data-driven insights about flights from United Kingdom to Seattle including ideal travel times, pricing trends, and more.

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 Friday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Seattle by month

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.

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 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).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Emirates, Delta and KLM from United Kingdom to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.1

Very Good

3,276 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates

8.1

Very Good

3,276 reviews

Emirates

8.1

Very Good

3,276 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

Delta

8.0

Very Good

8,213 reviews

Emirates

8.1

Very Good

3,276 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

KLM

7.8

Good

1,331 reviews

Emirates

8.1

Very Good

3,276 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

Finnair

7.6

Good

1,273 reviews

Emirates

8.1

Very Good

3,276 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

SWISS

7.5

Good

1,568 reviews

Emirates

8.1

Very Good

3,276 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

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 £383. Users have also found prices from £416 and £442 on Aer Lingus and Icelandair, 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 Singapore Airlines (97%), KLM (89%) and Air France (89%).
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 £1,269, our data indicates the cheapest price to be £419. The most popular route (London Heathrow - Seattle/Tacoma Intl), is priced around £407.
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

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£346	Average£590	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Delta	Cheapest£367	Average£687	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air France	Cheapest£410	Average£657	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Lufthansa	Cheapest£424	Average£626	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest£431	Average£677	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£437	Average£708	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Aer Lingus	Cheapest£439	Average£845	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Finnair	Cheapest£441	Average£650	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Air Canada	Cheapest£443	Average£698	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£460	Average£708	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £264

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 4/3. 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 21 February 2025.

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 21 February 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 21 February 2025.

Find flights from United Kingdom to Seattle within your budget

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.

Travel insights for flights from United Kingdom to Seattle

Get recent, data-driven insights about flights from United Kingdom to Seattle including ideal travel times, pricing trends, and more.

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 21 February 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 Emirates, Delta and KLM from United Kingdom to Seattle to help guide your decision. You can also see how each airline stacks up 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?

Travelling to a place near the United Kingdom?

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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 21 February 2025.