Cheap flights from Seattle to England from C$ 474

SEA — LHR
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to England

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to England

Fri 4/122:35 p.m. -
1 stop20h 55m
Mon 14/1212:15 p.m. -
1 stop12h 45m
Deal found 6/11C$ 982
Sun 6/122:35 p.m. -
1 stop20h 55m
Sat 12/128:35 p.m. -
1 stop28h 25m
Deal found 5/11C$ 985
Fri 4/122:35 p.m. -
1 stop20h 55m
Thu 10/1212:15 p.m. -
1 stop12h 45m
Deal found 8/11C$ 989
Sat 28/112:35 p.m. -
1 stop12h 15m
Sat 12/128:35 p.m. -
1 stop28h 25m
Deal found 9/11C$ 992
Mon 14/122:35 p.m. -
1 stop20h 55m
Mon 11/18:35 p.m. -
1 stop28h 25m
Deal found 10/11C$ 993
Sat 5/122:35 p.m. -
1 stop20h 55m
Sun 13/1212:15 p.m. -
1 stop12h 45m
Deal found 10/11C$ 996
Wed 25/112:35 p.m. -
1 stop20h 55m
Thu 3/1212:15 p.m. -
1 stop12h 45m
Deal found 8/11C$ 1,010
Thu 26/112:35 p.m. -
1 stop20h 55m
Tue 1/128:35 p.m. -
1 stop28h 25m
Deal found 8/11C$ 1,034
Wed 25/112:35 p.m. -
1 stop20h 55m
Fri 4/1212:15 p.m. -
1 stop12h 45m
Deal found 8/11C$ 1,036
Thu 3/122:35 p.m. -
1 stop20h 55m
Mon 14/1212:15 p.m. -
1 stop12h 45m
Deal found 5/11C$ 1,053
Fri 4/122:35 p.m. -
1 stop20h 55m
Sat 12/128:35 p.m. -
1 stop28h 25m
Deal found 8/11C$ 1,062
Tue 24/112:35 p.m. -
1 stop12h 15m
Thu 3/1212:15 p.m. -
1 stop12h 45m
Deal found 8/11C$ 1,067

Find flight deals from Seattle to England

Round-trip from

C$ 941

One-way from

C$ 474

Popular in

June

Cheapest in

January

Average price

C$ 1,223

Good round-trip deal

C$ 1,417 or less

Good one-way deal

C$ 932 or less
Icelandair
  • Icelandair
  • 10/4-20/4
  • 2 total stops
  • 25h 05m total
  • Seattle to England
Delta
  • Delta
  • 13/4-31/12
  • 1 total stop
  • 12h 00m total
  • Seattle to England
Highest demand for flights based on searches. 14% potential increase in price (C$ 317 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to England.
Price to beat on a one-way flight from Seattle/Tacoma Intl to England.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBirmingham

SEA Seattle/Tacoma Intl - BHX Birmingham

SEABHX

Seattle/Tacoma Intl

Tue 13/4

1:30 p.m.-9:30 a.m.

1 stop12h 00m

Birmingham

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 474

SeattleBirmingham

SEA Seattle/Tacoma Intl - BHX Birmingham

SEABHX

Seattle/Tacoma Intl

Sun 11/4

6:35 p.m.-5:50 p.m.

1 stop15h 15m

Birmingham

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 474

SeattleBirmingham

SEA Seattle/Tacoma Intl - BHX Birmingham

SEABHX

Seattle/Tacoma Intl

Mon 12/4

1:30 p.m.-5:50 p.m.

1 stop20h 20m

Birmingham

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 474

SeattleLondon

SEA Seattle/Tacoma Intl - LHR London Heathrow

SEALHR

Seattle/Tacoma Intl

Sat 27/2

10:49 p.m.-7:10 a.m.

2 stops24h 21m

London Heathrow

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 477

SeattleBirmingham

SEA Seattle/Tacoma Intl - BHX Birmingham

SEABHX

Seattle/Tacoma Intl

Sat 10/4

10:45 a.m.-5:15 p.m.

3 stops46h 30m

Birmingham

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 529

SeattleLondon

SEA Seattle/Tacoma Intl - LHR London Heathrow

SEALHR

Seattle/Tacoma Intl

Thu 11/3

10:10 a.m.-11:50 a.m.

1 stop17h 40m

London Heathrow

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 536

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 6/2

4:05 p.m.-3:45 p.m.

1 stop15h 40m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 542

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 1/5

6:35 p.m.-4:00 p.m.

1 stop13h 25m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 542

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 26/2

3:30 p.m.-3:45 p.m.

1 stop16h 15m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 542

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 6/3

4:05 p.m.-3:45 p.m.

1 stop15h 40m

London Gatwick

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 542

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Seattle to England

Have a flexible travel schedule? Discover the best time to fly to England from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to England

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

Currently, January is the cheapest month in which you can book a flight from Seattle to England (average of C$ 1,026). Flying from Seattle to England in June is currently the most expensive (average of C$ 1,726). 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 SEA to ENG?

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

Weekly flight availability from Seattle to England

The most flights from SEA to GBENG are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Seattle to England?

Airfare is below average for this route at the moment.
Seattle to England flights typically cost between C$ 1,047 and C$ 1,690 in April.
The cheapest round-trip price found within the last 5 days was C$ 930 on Icelandair (8 Apr-16 Apr).

How far ahead should I book a flight from Seattle to England?

The price you pay for your flight from Seattle to England may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing England

Read through reviews of airlines operating flights from Seattle to England, such as Alaska Airlines,Virgin Atlantic, andAer Lingus. 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.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Parduman,Nov 2026

SEA - LHR

Super, I would love to fly out again and again with my favourite Alaska Airlines

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Parduman,Nov 2026

SEA - LHR

Super, I would love to fly out again and again with my favourite Alaska Airlines

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Parduman,Nov 2026

SEA - LHR

Super, I would love to fly out again and again with my favourite Alaska Airlines

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Parduman,Nov 2026

SEA - LHR

Super, I would love to fly out again and again with my favourite Alaska Airlines

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.0

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Parduman,Nov 2026

SEA - LHR

Super, I would love to fly out again and again with my favourite Alaska Airlines

Related info for your journey

  • What airport do you fly from for flights from Seattle to England?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to England. It is only a 18.4 km journey to Seattle/Tacoma Intl (SEA) from Seattle’s city centre.

  • How long is the flight from Seattle to England?

    For as low as C$ 1,141, Icelandair can have you in England from Seattle in 9h 35m. The distance from Seattle to England is about 7697 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to England one-way?

    C$ 309 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and British Airways, with prices starting from C$ 418 and C$ 588, respectively.

  • What are the most popular routes from Seattle to England?

  • What are the most reliable airlines from Seattle to England?

    Consider Scandinavian Airlines (97%), KLM (96%) or SAUDIA (96%) when booking your flight. These represent the most reliable airlines when flying from Seattle to England.

  • What are the cheapest flights from Seattle to England?

    Looking at all options, your cheapest flight can be booked for C$ 757. While the most popular route (Seattle/Tacoma Intl - London Heathrow) can be booked for C$ 1,699 on average, our data indicates C$ 1,250 when flying from Seattle to England.

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

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

  • How can I find direct flights from Seattle to England?

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

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

    Yes. Cheapflights offers flight deals from Seattle to England 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 Seattle to England?

    Currently, January is the cheapest month in which you can book a flight from Seattle to England (average of C$ 1,026). Flying from Seattle to England in June is currently the most expensive (average of C$ 1,726). 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

Alternative routes for Seattle to England

Top 2 airlines flying from Seattle to England

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 666AverageC$ 924FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 1,002AverageC$ 1,235FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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

Need flexible booking options for your flight to England from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes! Start tracking prices for Seattle to England 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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