HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$193+ Cheap flights from Seattle (SEA) to the United Kingdom

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

To save up to 42% on this flight, we recommend booking at least 8 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to United Kingdom from $668 1-2 weeks out and tickets from $1,071 for flights departing within the next 72 hours.

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

Our data shows that November tends to be the cheapest month to fly to United Kingdom from Seattle. Users have commonly found prices around $842 for the month, but tickets can be as low as $537. Due to multiple factors, prepare for potentially higher prices in June.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to United Kingdom as you normally would.

Cheap Seattle to United Kingdom flights in July & August 2024

Find cheap flight options from Seattle to United Kingdom specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
The lowest fares we've come across on flights traveling from Seattle to United Kingdom in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/147:23 pmSEA - LGW
2 stops31h 32mMultiple Airlines
Wed 9/1110:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/25$555
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Wed 8/147:23 pmSEA - LGW
2 stops31h 32mMultiple Airlines
Wed 9/1110:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$561
This Norse deal was found by Cheapflights users on 7/25. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/145:45 amSEA - LGW
1 stop21h 10mMultiple Airlines
Wed 9/1110:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/25$566
This Norse deal was found by Cheapflights users on 7/24. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/145:45 amSEA - LGW
1 stop21h 10mMultiple Airlines
Wed 9/1110:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$573
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/235:45 amSEA - LGW
1 stop21h 10mMultiple Airlines
Sat 9/710:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$592
This Norse deal was found by Cheapflights users on 7/24. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/235:45 amSEA - LGW
1 stop21h 10mMultiple Airlines
Sat 9/710:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$598
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/227:00 amSEA - LGW
2 stops18h 00mMultiple Airlines
Wed 9/410:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$613
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/123:10 pmSEA - LHR
1 stop14h 10mMultiple Airlines
Tue 8/2710:15 amLHR - SEA
2 stops20h 05mMultiple Airlines
Deal found 7/25$615
This Air Canada deal was found by Cheapflights users on 7/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2710:40 amSEA - LHR
2 stops15h 20mMultiple Airlines
Tue 9/248:40 amLHR - SEA
2 stops17h 46mMultiple Airlines
Deal found 7/24$616

Seattle to United Kingdom 2024 flight deals

Discover exclusive flight deals for travel between Seattle and United Kingdom in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
The lowest fares we've come across on flights traveling from Seattle to United Kingdom in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 9/119:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Tue 9/2412:00 pmLGW - SEA
1 stop16h 07mMultiple Airlines
Deal found 7/25$493
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Wed 9/119:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Thu 9/2612:00 pmLGW - SEA
1 stop16h 07mMultiple Airlines
Deal found 7/24$495
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 9/119:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Wed 9/2510:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/23$505
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 9/119:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Fri 9/2710:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/25$511
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 9/87:51 pmSEA - LGW
2 stops30h 09mMultiple Airlines
Thu 9/1912:00 pmLGW - SEA
1 stop16h 07mMultiple Airlines
Deal found 7/25$514
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 9/149:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Tue 9/2412:00 pmLGW - SEA
1 stop16h 07mMultiple Airlines
Deal found 7/24$515
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 9/97:51 pmSEA - LGW
2 stops30h 09mMultiple Airlines
Thu 9/1912:00 pmLGW - SEA
1 stop16h 07mMultiple Airlines
Deal found 7/25$516
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Mon 9/169:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Mon 9/3010:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$517
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Mon 9/97:51 pmSEA - LGW
2 stops30h 09mMultiple Airlines
Tue 9/2412:00 pmLGW - SEA
1 stop16h 07mMultiple Airlines
Deal found 7/24$518

Seattle to United Kingdom flights leaving soon

Find last-minute flight options from Seattle to United Kingdom for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Users seeking a last-minute flight from Seattle to United Kingdom should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 8/36:29 pmSEA - LGW
1 stop32h 26mMultiple Airlines
Fri 8/307:40 pmLGW - SEA
2 stops56h 05mMultiple Airlines
Deal found 7/24$636
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:13 pmSEA - LGW
2 stops25h 47mMultiple Airlines
Fri 8/309:20 amLGW - SEA
2 stops22h 50mMultiple Airlines
Deal found 7/24$755
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 8/711:00 pmSEA - LGW
1 stop28h 45mIcelandair
Tue 8/271:00 pmLGW - SEA
1 stop12h 40mIcelandair
Deal found 7/25$764
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/87:00 amSEA - LGW
2 stops18h 00mMultiple Airlines
Mon 8/2610:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/25$785
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 8/87:00 amSEA - LGW
2 stops18h 00mMultiple Airlines
Fri 8/2310:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/25$797
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/37:00 amSEA - LHR
2 stops22h 55mMultiple Airlines
Fri 8/307:05 amLHR - SEA
2 stops25h 05mMultiple Airlines
Deal found 7/24$797
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 8/36:29 pmSEA - LGW
1 stop32h 26mMultiple Airlines
Fri 8/3010:45 amLGW - SEA
1 stop21h 25mMultiple Airlines
Deal found 7/24$800
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/37:00 amSEA - LHR
2 stops22h 55mMultiple Airlines
Fri 8/306:40 amLHR - SEA
3 stops25h 30mMultiple Airlines
Deal found 7/24$824
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/87:00 amSEA - LGW
2 stops18h 00mMultiple Airlines
Tue 8/277:55 pmLGW - SEA
3 stops36h 15mMultiple Airlines
Deal found 7/25$851

One-way flights to United Kingdom from Seattle

Search for one-way flight options from Seattle to United Kingdom. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Some of the best available deals we've found on one-way flights from Seattle to United Kingdom. Those needing a return flight from Seattle to United Kingdom can use the search form above.
This Netflights deal was found by Cheapflights users on 7/25. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/53:15 pmSEA - LHR
1 stop13h 35mWestJet
Deal found 7/25$193
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/32:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 7/24$198
This WestJet deal was found by Cheapflights users on 7/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/131:50 pmSEA - EDI
1 stop12h 15mWestJet
Deal found 7/24$204
This WestJet deal was found by Cheapflights users on 7/24. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/123:15 pmSEA - LHR
1 stop13h 35mWestJet
Deal found 7/24$204
This CrystalTravel deal was found by Cheapflights users on 7/24. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/102:35 pmSEA - LHR
1 stop20h 55mIcelandair
Deal found 7/24$205
This CrystalTravel deal was found by Cheapflights users on 7/24. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/226:55 pmSEA - LHR
1 stop17h 25mIcelandair
Deal found 7/24$210
This Combigo deal was found by Cheapflights users on 7/24. 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 Combigo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/119:20 pmSEA - LGW
1 stop29h 15mMultiple Airlines
Deal found 7/24$212
This oojo deal was found by Cheapflights users on 7/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/16:55 pmSEA - LHR
1 stop17h 25mIcelandair
Deal found 7/25$212
This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/296:55 pmSEA - LGW
1 stop32h 50mIcelandair
Deal found 7/24$213

Find flights from Seattle to United Kingdom within your budget

Customize your flight search to find flights from Seattle to United Kingdom 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$493 - $588

Route

Depart

Return

Price

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 9/11

1 stop29h 15m

London Gatwick

Tue 9/24

1 stop16h 07m

$493

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 10/1

1 stop17h 25m

London Heathrow

Tue 10/15

1 stop12h 50m

$526

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 10/2

1 stop18h 40m

London Heathrow

Fri 10/18

1 stop30h 20m

$565

Seattle/Tacoma IntlManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 12/3

1 stop15h 50m

Manchester

Thu 12/12

1 stop28h 15m

$570

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 10/1

1 stop18h 40m

London Gatwick

Tue 10/8

1 stop18h 20m

$576

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Thu 11/7

1 stop31h 05m

London Heathrow

Sun 11/10

2 stops18h 45m

$578

Seattle/Tacoma IntlBelfast City

SEA - BHD

SEABHD

Seattle/Tacoma Intl

Wed 11/6

1 stop13h 45m

Belfast City

Tue 11/12

1 stop29h 30m

$581

Seattle/Tacoma IntlLondon Gatwick

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 10/1

2 stops18h 45m

London Gatwick

Tue 10/8

1 stop18h 20m

$581

Seattle/Tacoma IntlLondon Heathrow

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Tue 10/15

2 stops17h 20m

London Heathrow

Wed 11/6

2 stops20h 01m

$588

Flights are sorted by cheapest first

Deals found on 7/25

No data available for this route at this time. Please check back soon.

Best time to book a flight from Seattle to United Kingdom

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

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated July 25, 2024.
See what other customers who have flown with WestJet, Finnair and Icelandair from Seattle to United Kingdom have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,367 reviews

Entertainment

8.1

Overall

8.2

Food

7.7

Comfort

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The boarding went well. They ran out of food for breakfast, and we were not even asked if we wanted a tea or a coffee. The staff appeared very inexperienced. The cabin was cold, even with a blanket.

Singapore Airlines
8.2
Very good
1,367 reviews
Singapore Airlines
8.2
Very good
1,367 reviews

Entertainment

8.1

Overall

8.2

Food

7.7

Comfort

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The boarding went well. They ran out of food for breakfast, and we were not even asked if we wanted a tea or a coffee. The staff appeared very inexperienced. The cabin was cold, even with a blanket.

Delta
8.0
Very good
9,630 reviews
Singapore Airlines
8.2
Very good
1,367 reviews

Entertainment

8.1

Overall

8.2

Food

7.7

Comfort

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The boarding went well. They ran out of food for breakfast, and we were not even asked if we wanted a tea or a coffee. The staff appeared very inexperienced. The cabin was cold, even with a blanket.

KLM
7.9
Good
1,417 reviews
Singapore Airlines
8.2
Very good
1,367 reviews

Entertainment

8.1

Overall

8.2

Food

7.7

Comfort

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The boarding went well. They ran out of food for breakfast, and we were not even asked if we wanted a tea or a coffee. The staff appeared very inexperienced. The cabin was cold, even with a blanket.

SWISS
7.7
Good
1,799 reviews
Singapore Airlines
8.2
Very good
1,367 reviews

Entertainment

8.1

Overall

8.2

Food

7.7

Comfort

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The boarding went well. They ran out of food for breakfast, and we were not even asked if we wanted a tea or a coffee. The staff appeared very inexperienced. The cabin was cold, even with a blanket.

Finnair
7.7
Good
1,332 reviews
Singapore Airlines
8.2
Very good
1,367 reviews

Entertainment

8.1

Overall

8.2

Food

7.7

Comfort

8.0

Boarding

8.4

Crew

8.6

Reviews

1 / 10

The boarding went well. They ran out of food for breakfast, and we were not even asked if we wanted a tea or a coffee. The staff appeared very inexperienced. The cabin was cold, even with a blanket.

Related info for your journey

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

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to United Kingdom from Seattle.

  • Can I find flights from Seattle to United Kingdom for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to United Kingdom for under $500. The cheapest flight booked recently is on Multiple Airlines for just $493, but on average you can expect to pay $519.

  • Are there nonstop flights from Seattle to United Kingdom for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Seattle to United Kingdom under $600. A good price for a nonstop flight from Seattle to United Kingdom is less than $647.

  • Are there last-minute flights available from Seattle to United Kingdom for under $700?

    There are currently 20+ open flights from Seattle to United Kingdom within the next 7 days for less than $700.

  • What days are nonstop flights available from Seattle to United Kingdom?

    Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Friday, Saturday.

  • How many flights depart from Seattle to United Kingdom on average per day?

    19 flight departures from Seattle to United Kingdom per day on average.
    Afternoon (Noon - 6pm) - 79% of flight departures
    Evening (6pm - Midnight) - 21% of flight departures

  • How long is the flight from Seattle to United Kingdom?

    A quick flight from Seattle to United Kingdom can take about 17h 25m. Icelandair provides one of the quickest options available for as low as $526. Seattle and United Kingdom are separated by a distance of 4812 mi.

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

    While some choose either Seattle/Tacoma Intl - London Gatwick or Seattle/Tacoma Intl - London City, Seattle/Tacoma Intl - London Heathrow is the most popular route from Seattle to United Kingdom.

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

    Consider American Airlines (74%), Aer Lingus (74%) or Finnair (74%) when booking your flight. These represent the most reliable airlines when flying from Seattle to United Kingdom.

  • What are the cheapest flights from Seattle to United Kingdom?

    On average you can expect to pay $2,655 for a flight from Seattle to United Kingdom. The cheapest flight overall is $423 while the most popular route, (Seattle/Tacoma Intl - London Heathrow) is currently priced at $526.

  • What does SEA to LHR mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely. Manchester Airport (MAN), Edinburgh Turnhouse Airport (EDI), Birmingham Airport (BHX), London Gatwick Airport (LGW), Glasgow Intl Airport (GLA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Seattle to United Kingdom that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to United Kingdom flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to United Kingdom with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to United Kingdom flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Seattle to United Kingdom that allow pets onboard?

    Many airlines flying from Seattle to United Kingdom offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to United Kingdom?

    Yes, you can often find last-minute deals on Seattle to United Kingdom flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to United Kingdom flight deals updated?

    The Seattle to United Kingdom flight deals you see on this page were last updated on 7/25.

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

    The most popular airlines flying from Seattle to United Kingdom are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to United Kingdom (average of $652). Flying from Seattle to United Kingdom in June is currently the most expensive (average of $1,095). 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

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 Seattle to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Heathrow flights
Seattle to Charles de Gaulle flights
Seattle to Istanbul flights
Seattle to Frankfurt flights
Seattle to Gatwick flights
Seattle to Dublin flights
Seattle to London City flights
Seattle to Leonardo da Vinci/Fiumicino flights
Portland to Heathrow flights
Seattle to Amsterdam flights
Seattle to Keflavik Intl flights
Seattle to Athens flights
Seattle to Barcelona-El Prat flights
Seattle to Orly flights
Seattle to Lisbon flights
Seattle to Madrid flights
Portland to Amsterdam flights
Seattle to Sabiha Gokcen flights
Seattle to Berlin flights
Seattle to Vicenza flights
Portland to Charles de Gaulle flights
Seattle to Oslo Gardermoen flights
Portland to Lisbon flights
Portland to Leonardo da Vinci/Fiumicino flights
Portland to Gatwick flights
Seattle to Copenhagen flights
Seattle to Munich flights
Seattle to Zurich flights
Seattle to Bruxelles-National flights
Seattle to Edinburgh flights
Portland to London City flights
Portland to Dublin flights
Portland to Frankfurt flights
Portland to Orly flights
Portland to Barcelona-El Prat flights
Seattle to Florence flights
Seattle to Frederic Chopin flights
Seattle to Geneva flights
Portland to Athens flights
Seattle to Vienna flights
Portland to Keflavik Intl flights
Seattle to Luton flights
Seattle to Malpensa flights
Portland to Malpensa flights
Seattle to Nice flights
Seattle to Linate flights
Seattle to Prague flights
Seattle to Glasgow Intl flights
Seattle to Stansted flights
Seattle to Split flights

Top 10 airlines flying from Seattle to United Kingdom

Discover the top 10 airlines that operate flights from Seattle to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$402Average$892FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$503Average$764FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$533Average$863FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$544Average$1,009FlexibilityNo cancel feeOn-time72%
FinnairCheapest$562Average$931FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$575Average$1,029FlexibilityNo cancel feeOn-time69%
IberiaCheapest$580Average$794FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$589Average$975FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$597Average$885FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$597Average$908FlexibilityNo cancel feeOn-time67%
Miami to San Francisco flights
Phoenix to Portland flights
Detroit to Denver flights
Denver to New York flights
Boston to San Juan flights
Detroit to Miami flights
Chicago to San Diego flights
Minneapolis to San Francisco flights
San Francisco to Chicago flights
Denver to Miami flights
Atlanta to Phoenix flights
Seattle to Gaborone flights

Search flights from Seattle to United Kingdom by cabin class

Find flights from Seattle to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Seattle to United Kingdom

Find hourly flight availability from Seattle to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
49%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines