Cheap flights from Seattle to England from £190

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LHR
7 Sep — 14 Sep1
1 adult

Cheap flight deals from Seattle to England

Keep the following information in mind while searching for Seattle to England flight deals. Data was last updated 2 September 2025.

Round-trip from

£367

One-way from

£190

Popular in

June

Cheapest in

October

Average price

£514

Good round-trip deal

£488 or less

Good one-way deal

£373 or less
Icelandair
  • Icelandair
  • 13/10-17/10
  • 2 total stops
  • 24h 45m total
  • Seattle to England
18/10
  • 18/10
  • 2 total stops
  • 34h 45m total
  • Seattle to England
Highest demand for flights based on searches. 15% potential increase in price (£75 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in September 2025
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.

Find flight deals from Seattle to England

Cheapest flights from Seattle to England
Explore the most affordable flight options available from Seattle to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Mon 13/1019:00SEA - EDI
1 stop10h 20mIcelandair
Fri 17/1014:15EDI - SEA
1 stop14h 25mIcelandair
Deal found 31/8£367
Tue 7/1015:45SEA - MAN
1 stop11h 55mIcelandair
Wed 5/1111:55MAN - SEA
1 stop13h 05mIcelandair
Deal found 30/8£369
Sun 28/919:00SEA - LGW
1 stop11h 40mIcelandair
Tue 14/1015:40LGW - SEA
1 stop34h 10mIcelandair
Deal found 31/8£370
Wed 15/1015:45SEA - LHR
1 stop12h 10mIcelandair
Tue 11/1120:35LHR - SEA
1 stop28h 25mIcelandair
Deal found 1/9£370
Wed 24/915:45SEA - LHR
1 stop12h 10mIcelandair
Sun 12/1013:05LHR - SEA
1 stop15h 35mIcelandair
Deal found 1/9£371
Sun 28/915:45SEA - LHR
1 stop12h 10mIcelandair
Tue 14/1021:25LHR - SEA
1 stop28h 25mIcelandair
Deal found 31/8£372
Mon 29/919:00SEA - LGW
1 stop11h 35mIcelandair
Tue 14/1015:40LGW - SEA
1 stop34h 10mIcelandair
Deal found 1/9£372
Sun 21/915:45SEA - LHR
1 stop12h 10mIcelandair
Tue 7/1021:25LHR - SEA
1 stop28h 25mIcelandair
Deal found 31/8£372
Fri 26/915:45SEA - LHR
1 stop20h 35mIcelandair
Tue 7/1021:25LHR - SEA
1 stop31h 15mIcelandair
Deal found 30/8£373
Wed 12/1114:35SEA - LGW
1 stop12h 20mIcelandair
Thu 20/1111:55LGW - SEA
1 stop13h 05mIcelandair
Deal found 31/8£375
Thu 25/919:00SEA - LHR
1 stop32h 55mIcelandair
Sun 5/1021:25LHR - SEA
1 stop31h 15mIcelandair
Deal found 31/8£375
Wed 5/1114:35SEA - LGW
1 stop12h 20mIcelandair
Sat 15/1111:55LGW - SEA
1 stop13h 05mIcelandair
Deal found 1/9£375

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to England 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 858,174 searches. Data last updated 2 September 2025.
Use the filters below to find and compare flights from Seattle to England that are best for you.

Fly from

Seattle

Fly to

England

Route

Depart

Return

Price

SeattleEdinburgh

SEA - EDI

SEAEDI

Seattle/Tacoma Intl

Mon 13/10

19:00-13:20

1 stop10h 20m

Edinburgh Turnhouse

Fri 17/10

14:15-20:40

1 stop14h 25m

£367

SeattleEdinburgh

SEA - EDI

SEAEDI

Seattle/Tacoma Intl

Wed 22/10

19:35-23:10

1 stop19h 35m

Edinburgh Turnhouse

Wed 29/10

11:50-19:20

1 stop14h 30m

£367

SeattleManchester

SEA - MAN

SEAMAN

Seattle/Tacoma Intl

Tue 7/10

15:45-11:40

1 stop11h 55m

Manchester

Wed 5/11

11:55-17:00

1 stop13h 05m

£369

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 28/9

19:00-14:40

1 stop11h 40m

London Gatwick

Tue 14/10

15:40-17:50

1 stop34h 10m

£370

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 19/1

14:35-10:55

1 stop12h 20m

London Gatwick

Sun 1/2

11:55-17:00

1 stop13h 05m

£375

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 28/10

15:35-10:55

1 stop12h 20m

London Gatwick

Mon 24/11

11:55-17:00

1 stop13h 05m

£375

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Thu 13/11

14:35-10:55

1 stop12h 20m

London Gatwick

Mon 17/11

11:55-17:00

1 stop13h 05m

£375

SeattleLondon

SEA - STN

SEASTN

Seattle/Tacoma Intl

Wed 15/10

19:35-20:55

1 stop17h 20m

London Stansted

Wed 22/10

08:15-17:50

1 stop17h 35m

£383

SeattleLondon

SEA - LTN

SEALTN

Seattle/Tacoma Intl

Wed 15/10

19:35-15:25

1 stop11h 50m

London Luton

Wed 22/10

10:00-17:50

1 stop15h 50m

£385

SeattleEdinburgh

SEA - EDI

SEAEDI

Seattle/Tacoma Intl

Wed 3/12

20:05-19:50

1 stop15h 45m

Edinburgh Turnhouse

Wed 10/12

07:25-18:20

1 stop18h 55m

£392

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 60 results
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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 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 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 £112). Flying from Seattle to England in August is currently the most expensive (average of £164). 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?

Find hourly flight availability from Seattle to England. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

When flying from Seattle to England, 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 Seattle to England

Explore weekly flight availability from Seattle to England. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 September 2025.

The most flights from SEA to GBENG are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Reviews of airlines servicing England

Get insights into the airlines that provide service to England. 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 England. Reviews last updated 2 September 2025.
Read through reviews of airlines operating flights from Seattle to England, such as KLM, Virgin Atlantic, andIcelandair. 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.

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

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.

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

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.

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

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.

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

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.

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

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.

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

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

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

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

  • How long is the flight from Seattle to England?

    Departing from Seattle to England will take you 11h 55m. Airlines will cover a distance of 4633 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to England on time: Aeromexico (88%), KLM (87%), Air France (87%).

  • What are the cheapest flights from Seattle to England?

    The cheapest flight price from Seattle to England is £345. On average you can expect to pay £542. The most popular route, (Seattle/Tacoma Intl - London Heathrow), can usually be booked for £349.

  • 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 holiday 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 £112). Flying from Seattle to England in August is currently the most expensive (average of £164). 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

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Top 4 airlines flying from Seattle to England

Discover the top 4 airlines that operate flights from Seattle to England. 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 858,174 searches. Data last updated 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£350Average£609FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£365Average£615FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£393Average£509FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£497Average£569FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to England flexibly with Cheapflights today.

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