When did momondo last update prices for flights from Bristol Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Bristol Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Bristol Airport to Seattle/Tacoma Intl Airport?

As of December 2025, there is 1 operator available to choose from for flights from Bristol Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Bristol Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bristol Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£509 Cheap Flights from Bristol to Seattle in 2025/26

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Find the cheapest flights from Bristol to Seattle

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:35 - 11:40

BRS

SEA

26h 05m1 stop

07:40 - 10:15

SEA

BRS

18h 35m2 stops

£522KLM

Tue, 3 Feb - Tue, 10 Feb

06:00 - 16:55

BRS

SEA

18h 55m2 stops

07:40 - 10:15

SEA

BRS

18h 35m2 stops

£527KLM

Tue, 3 Feb - Tue, 10 Feb

06:00 - 18:23

BRS

SEA

20h 23m2 stops

14:02 - 10:15

SEA

BRS

36h 13m2 stops

£568KLM

Sun, 18 Jan - Sun, 25 Jan

17:35 - 11:50

BRS

SEA

26h 15m1 stop

09:05 - 09:55

SEA

BRS

16h 50m2 stops

£583KLM

Fri, 16 Jan - Fri, 23 Jan

06:00 - 14:37

BRS

SEA

16h 37m2 stops

09:05 - 09:55

SEA

BRS

16h 50m2 stops

£587KLM

Fri, 16 Jan - Fri, 23 Jan

17:35 - 11:42

BRS

SEA

26h 07m1 stop

17:30 - 10:15

SEA

BRS

32h 45m1 stop

£593KLM

Sat, 2 May - Fri, 8 May

06:15 - 14:45

BRS

SEA

16h 30m2 stops

17:35 - 22:05

SEA

BRS

20h 30m1 stop

£598KLM

Sat, 2 May - Fri, 8 May

12:25 - 16:59

BRS

SEA

12h 34m1 stop

13:35 - 13:10

SEA

BRS

15h 35m2 stops

£621British Airways

Sat, 2 May - Fri, 8 May

13:40 - 23:05

BRS

SEA

41h 25m2 stops

21:00 - 18:35

SEA

BRS

37h 35m2 stops

£709Multiple Airlines

Sat, 2 May - Fri, 8 May

08:25 - 17:00

BRS

SEA

16h 35m2 stops

14:35 - 10:15

SEA

BRS

35h 40m3 stops

£713Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

KLM flights from Bristol to Seattle

Our best KLM deals on Bristol to Seattle flight tickets

KLM

3 Feb

BRS17:35Bristol

26h 05m

1 stop

SEA11:40Seattle/Tacoma Intl

10 Feb

SEA07:40Seattle/Tacoma Intl

18h 35m

2 stops

BRS10:15Bristol

£522

Find similar

KLM

3 Feb

BRS06:00Bristol

18h 55m

2 stops

SEA16:55Seattle/Tacoma Intl

10 Feb

SEA07:40Seattle/Tacoma Intl

18h 35m

2 stops

BRS10:15Bristol

£527

Find similar

KLM

18 Jan

BRS06:00Bristol

20h 23m

2 stops

SEA18:23Seattle/Tacoma Intl

25 Jan

SEA14:02Seattle/Tacoma Intl

36h 13m

2 stops

BRS10:15Bristol

£568

Find similar

British Airways flights from Bristol to Seattle

Our best British Airways deals on Bristol to Seattle flight tickets

British Airways

2 May

BRS12:25Bristol

12h 34m

1 stop

SEA16:59Seattle/Tacoma Intl

8 May

SEA13:35Seattle/Tacoma Intl

15h 35m

2 stops

BRS13:10Bristol

£621

Find similar

British Airways

4 Feb

BRS20:15Bristol

47h 15m

2 stops

SEA11:30Seattle/Tacoma Intl

8 Feb

SEA18:50Seattle/Tacoma Intl

16h 35m

2 stops

BRS19:25Bristol

£1,173

Find similar

British Airways

4 Feb

BRS20:15Bristol

47h 15m

2 stops

SEA11:30Seattle/Tacoma Intl

8 Feb

SEA18:50Seattle/Tacoma Intl

16h 35m

2 stops

BRS19:25Bristol

£1,173

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Tue 3/2

17:35-11:40

1 stop26h 05m

Seattle/Tacoma Intl

Tue 10/2

07:40-10:15

2 stops18h 35m

£522

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Tue 3/2

06:00-16:55

2 stops18h 55m

Seattle/Tacoma Intl

Tue 10/2

07:40-10:15

2 stops18h 35m

£527

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sun 18/1

06:00-18:23

2 stops20h 23m

Seattle/Tacoma Intl

Sun 25/1

14:02-10:15

2 stops36h 13m

£568

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Fri 16/1

17:35-11:50

1 stop26h 15m

Seattle/Tacoma Intl

Fri 23/1

09:05-09:55

2 stops16h 50m

£583

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Fri 16/1

06:00-14:37

2 stops16h 37m

Seattle/Tacoma Intl

Fri 23/1

09:05-09:55

2 stops16h 50m

£587

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

17:35-11:42

1 stop26h 07m

Seattle/Tacoma Intl

Fri 8/5

17:30-10:15

1 stop32h 45m

£593

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-14:45

2 stops16h 30m

Seattle/Tacoma Intl

Fri 8/5

17:35-22:05

1 stop20h 30m

£598

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

12:25-16:59

1 stop12h 34m

Seattle/Tacoma Intl

Fri 8/5

13:35-13:10

2 stops15h 35m

£621

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

13:40-23:05

2 stops41h 25m

Seattle/Tacoma Intl

Fri 8/5

21:00-18:35

2 stops37h 35m

£709

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sun 18/1

08:25-17:00

2 stops16h 35m

Seattle/Tacoma Intl

Sun 25/1

14:35-10:15

3 stops35h 40m

£713

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Bristol to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Bristol is in February. Flight prices, which tend to average around £509, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Seattle, with average flight prices from Bristol averaging around £576.

What is the cheapest day to depart on your flight to Seattle?

According to our data, Saturday is the cheapest day to fly to Seattle from Bristol. The lowest ticket price found for a Saturday departure recently was £617. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Wednesday is £791.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the afternoon. momondo users have found flights departing from Bristol to Seattle in the afternoon for as low as £667. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £672.

Can stopping save me money on Bristol to Seattle flights?

You could potentially save up to 14% on your flight if you consider stops on a Bristol to Seattle flight.

When to book flights from Bristol to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Bristol to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Bristol to Seattle (BRS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bristol to Seattle

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Bristol to Seattle takes 13h 50m

There are no direct flights from Bristol to Seattle. There are no popular flight routes from Bristol to Seattle.

Search flight deals

How far is Bristol to Seattle/Tacoma Intl by plane?
The distance between Bristol and Seattle/Tacoma Intl is about 4718.0 mi. Flights usually cover this in 13h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Bristol Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Bristol Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Bristol Airport to Seattle/Tacoma Intl Airport?
As of December 2025, there is 1 operator available to choose from for flights from Bristol Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Bristol Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bristol Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Bristol to Seattle?
momondo data reveals that the most frequently booked airline on the route from Bristol to Seattle is KLM, representing 100% of all bookings.

Best airlines flying from Bristol to Seattle

Compare and see reviews for airlines that fly from Bristol to Seattle with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £538	Free Cancellation	Rating 7.7 1,429 reviews		Search KLM flights

Fife

Renton

SeaTac

Tukwila

Why use momondo?

Why should I use momondo to find a flight deal from Bristol to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Bristol.

Can I find flights from Bristol to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Bristol which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Bristol to Seattle?

Once you have performed a search for Bristol to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Bristol to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bristol to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.