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Cheap flights from Seattle to England from £214

SEA — LHR
8 Dec — 15 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 4/1214:35 -
1 stop12h 15m
Thu 10/1212:15 -
1 stop12h 45m
Deal found 5/11£521
Sun 6/1214:35 -
1 stop20h 55m
Sat 12/1220:35 -
1 stop28h 25m
Deal found 5/11£523
Thu 10/1214:35 -
1 stop12h 15m
Fri 25/1212:15 -
1 stop12h 45m
Deal found 5/11£523
Thu 3/1207:45 -
2 stops27h 05m
Wed 9/1219:30 -
2 stops24h 30m
Deal found 5/11£524
Fri 13/1114:35 -
1 stop12h 15m
Sun 22/1112:15 -
1 stop12h 45m
Deal found 7/11£525
Fri 4/1214:35 -
1 stop12h 15m
Sat 12/1220:35 -
1 stop28h 25m
Deal found 6/11£526
Sun 15/1114:35 -
2 stops23h 05m
Wed 18/1118:40 -
2 stops30h 20m
Deal found 7/11£527
Wed 2/1214:35 -
2 stops18h 20m
Wed 9/1219:30 -
3 stops29h 30m
Deal found 4/11£530
Tue 24/1107:45 -
3 stops24h 35m
Tue 1/1211:15 -
3 stops33h 45m
Deal found 5/11£532
Sat 5/1214:35 -
1 stop12h 15m
Sat 12/1220:35 -
1 stop28h 25m
Deal found 5/11£532
Wed 25/1114:35 -
1 stop20h 55m
Wed 9/1212:15 -
1 stop12h 45m
Deal found 6/11£534
Wed 25/1114:35 -
1 stop20h 55m
Thu 10/1212:15 -
1 stop12h 45m
Deal found 7/11£535

Find flight deals from Seattle to England

Round-trip from

£511

One-way from

£214

Popular in

June

Cheapest in

January

Average price

£649

Good round-trip deal

£587 or less

Good one-way deal

£263 or less
Icelandair
  • Icelandair
  • 11/2-20/2
  • 2 total stops
  • 40h 40m total
  • Seattle to England
Search Deals
10/1-31/12
  • 10/1-31/12
  • 2 total stops
  • 33h 25m total
  • Seattle to England
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to England.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to England.
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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 return flight

SeattleLiverpool

SEA Seattle/Tacoma Intl - LPL Liverpool J. Lennon

SEALPL

Seattle/Tacoma Intl

Sun 15/11

14:35-20:25

3 stops45h 50m

Liverpool J. Lennon

Wed 31/12

00:00-15:00

Nonstop0h 00m

£227

SeattleLondon

SEA Seattle/Tacoma Intl - LHR London Heathrow

SEALHR

Seattle/Tacoma Intl

Wed 28/4

21:50-15:35

Nonstop9h 45m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£247

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sun 10/1

14:35-23:59

3 stops25h 24m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£247

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sat 1/5

22:38-22:35

2 stops15h 57m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£248

SeattleLondon

SEA Seattle/Tacoma Intl - LHR London Heathrow

SEALHR

Seattle/Tacoma Intl

Sat 27/2

22:49-07:10

2 stops24h 21m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£253

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Thu 4/2

14:35-10:45

1 stop12h 10m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£255

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Thu 4/2

14:35-20:55

3 stops22h 20m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£270

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sat 1/5

13:45-06:25

1 stop32h 40m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£272

SeattleManchester

SEA Seattle/Tacoma Intl - MAN Manchester

SEAMAN

Seattle/Tacoma Intl

Sat 1/5

10:45-09:45

3 stops39h 00m

Manchester

Wed 31/12

00:00-15:00

Nonstop0h 00m

£273

SeattleLondon

SEA Seattle/Tacoma Intl - LHR London Heathrow

SEALHR

Seattle/Tacoma Intl

Thu 11/3

10:10-11:50

1 stop17h 40m

London Heathrow

Wed 31/12

00:00-15:00

Nonstop0h 00m

£284

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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 return 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 £544). Flying from Seattle to England in June is currently the most expensive (average of £916). 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?

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

The most flights from SEA to GBENG are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost for a return flight from Seattle to England?

Airfare is below average for this route at the moment.
Seattle to England flights typically cost between £545 and £848 in February.
The cheapest return price found within the last 5 days was £511 on Icelandair (11 Feb–20 Feb).

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

The best time to book flights from Seattle to England is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing England

Read through reviews of airlines operating flights from Seattle to England, such as Alaska Airlines,Virgin Atlantic, andBritish Airways. 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.
Alaska Airlines
7.9
Good
13,148 reviews
Check prices

Entertainment

7.0

Overall

7.9

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.0

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
Alaska Airlines
7.9
Good
13,148 reviews
Alaska Airlines
7.9
Good
13,148 reviews
Check prices

Entertainment

7.0

Overall

7.9

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.0

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
Virgin Atlantic
7.5
Good
698 reviews
Alaska Airlines
7.9
Good
13,148 reviews
Check prices

Entertainment

7.0

Overall

7.9

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.0

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
British Airways
6.7
Okay
8,285 reviews
Alaska Airlines
7.9
Good
13,148 reviews
Check prices

Entertainment

7.0

Overall

7.9

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.0

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?

    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 9h 45m. Airlines will cover a distance of 4783 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £128. However, be on the lookout for offers from Aer Lingus and Virgin Atlantic, as they are both options that can get you from Seattle to England for a low price.

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

    The most popular flight routes from Seattle to England are Seattle/Tacoma Intl - London Heathrow, Seattle/Tacoma Intl - London Gatwick and Seattle/Tacoma Intl - London Stansted.

  • 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: Scandinavian Airlines (97%), KLM (96%), SAUDIA (96%).

  • What are the cheapest flights from Seattle to England?

    The cheapest flight price from Seattle to England is £243. On average you can expect to pay £596. The most popular route, (Seattle/Tacoma Intl - London Heathrow), can usually be booked for £420.

  • 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 £544). Flying from Seattle to England in June is currently the most expensive (average of £916). 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

Top 3 airlines flying from Seattle to England

AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest£494Average£731FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
British AirwaysCheapest£522Average£685FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£580Average£667FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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