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Cheap flights from Bristol to Seattle from £673

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Bristol to Seattle departing on 24/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
08:55 - 22:15
BRS
-
SEA
20h 20m
2 stops
Delta Logo
13:45 - 17:00
SEA
-
BRS
19h 15m
1 stop
£673Delta
Tue, 24 Mar - Tue, 31 Mar
KLM Logo
06:15 - 11:42
BRS
-
SEA
13h 27m
1 stop
KLM Logo
17:30 - 22:05
SEA
-
BRS
20h 35m
1 stop
£724KLM
Sat, 2 May - Fri, 8 May
KLM Logo
06:15 - 14:42
BRS
-
SEA
16h 27m
2 stops
KLM Logo
17:30 - 22:05
SEA
-
BRS
20h 35m
1 stop
£728KLM
Sat, 2 May - Fri, 8 May
Multiple Airlines Logo
06:00 - 12:35
BRS
-
SEA
13h 35m
1 stop
Multiple Airlines Logo
13:45 - 13:15
SEA
-
BRS
15h 30m
1 stop
£740Multiple Airlines
Tue, 24 Mar - Tue, 31 Mar
KLM Logo
06:15 - 11:42
BRS
-
SEA
13h 27m
1 stop
KLM Logo
21:45 - 22:05
SEA
-
BRS
16h 20m
2 stops
£749KLM
Sat, 2 May - Fri, 8 May
KLM Logo
06:15 - 11:42
BRS
-
SEA
13h 27m
1 stop
KLM Logo
21:45 - 22:05
SEA
-
BRS
16h 20m
2 stops
£751KLM
Sat, 2 May - Fri, 8 May
KLM Logo
06:15 - 14:42
BRS
-
SEA
16h 27m
2 stops
KLM Logo
21:45 - 22:05
SEA
-
BRS
16h 20m
2 stops
£754KLM
Sat, 2 May - Fri, 8 May
KLM Logo
06:15 - 14:42
BRS
-
SEA
16h 27m
2 stops
KLM Logo
21:45 - 22:05
SEA
-
BRS
16h 20m
2 stops
£754KLM
Sat, 2 May - Fri, 8 May
KLM Logo
06:15 - 14:42
BRS
-
SEA
16h 27m
2 stops
KLM Logo
21:45 - 22:05
SEA
-
BRS
16h 20m
2 stops
£756KLM
Sat, 2 May - Fri, 8 May
KLM Logo
06:15 - 11:42
BRS
-
SEA
13h 27m
1 stop
KLM Logo
17:30 - 22:05
SEA
-
BRS
20h 35m
1 stop
£784KLM
Sat, 2 May - Fri, 8 May

KLM flights from Bristol to Seattle

Our best KLM deals on Bristol to Seattle flight tickets
KLM
2 May
BRS06:15Bristol
13h 27m
1 stop
SEA11:42Seattle/Tacoma Intl
8 May
SEA17:30Seattle/Tacoma Intl
20h 35m
1 stop
BRS22:05Bristol
£724
KLM
2 May
BRS06:15Bristol
16h 27m
2 stops
SEA14:42Seattle/Tacoma Intl
8 May
SEA17:30Seattle/Tacoma Intl
20h 35m
1 stop
BRS22:05Bristol
£728
KLM
2 May
BRS06:15Bristol
13h 27m
1 stop
SEA11:42Seattle/Tacoma Intl
8 May
SEA21:45Seattle/Tacoma Intl
16h 20m
2 stops
BRS22:05Bristol
£749

British Airways flights from Bristol to Seattle

Our best British Airways deals on Bristol to Seattle flight tickets
British Airways
19 Feb
BRS20:00Bristol
47h 30m
2 stops
SEA11:30Seattle/Tacoma Intl
23 Feb
SEA20:05Seattle/Tacoma Intl
14h 35m
1 stop
BRS18:40Bristol
£1,108
British Airways
19 Feb
BRS20:00Bristol
28h 55m
2 stops
SEA16:55Seattle/Tacoma Intl
23 Feb
SEA20:05Seattle/Tacoma Intl
14h 35m
1 stop
BRS18:40Bristol
£1,111
British Airways
19 Feb
BRS20:00Bristol
47h 30m
2 stops
SEA11:30Seattle/Tacoma Intl
23 Feb
SEA20:05Seattle/Tacoma Intl
14h 35m
1 stop
BRS18:40Bristol
£1,112

momondo Fare Finder

 
Customise your flight search to find flights from Bristol to Seattle 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, momondo users made 279,928 searches. Data last updated 10 February 2026.
Use the filters below to find and compare flights from Bristol to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Tue 24/3

08:55-22:15

2 stops20h 20m

Seattle/Tacoma Intl

Tue 31/3

13:45-17:00

1 stop19h 15m

£673

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-11:42

1 stop13h 27m

Seattle/Tacoma Intl

Fri 8/5

17:30-22:05

1 stop20h 35m

£724

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-14:42

2 stops16h 27m

Seattle/Tacoma Intl

Fri 8/5

17:30-22:05

1 stop20h 35m

£728

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Tue 24/3

06:00-12:35

1 stop13h 35m

Seattle/Tacoma Intl

Tue 31/3

13:45-13:15

1 stop15h 30m

£740

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-11:42

1 stop13h 27m

Seattle/Tacoma Intl

Fri 8/5

21:45-22:05

2 stops16h 20m

£749

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-11:42

1 stop13h 27m

Seattle/Tacoma Intl

Fri 8/5

21:45-22:05

2 stops16h 20m

£751

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-14:42

2 stops16h 27m

Seattle/Tacoma Intl

Fri 8/5

21:45-22:05

2 stops16h 20m

£754

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-14:42

2 stops16h 27m

Seattle/Tacoma Intl

Fri 8/5

21:45-22:05

2 stops16h 20m

£754

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-14:42

2 stops16h 27m

Seattle/Tacoma Intl

Fri 8/5

21:45-22:05

2 stops16h 20m

£756

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 2/5

06:15-11:42

1 stop13h 27m

Seattle/Tacoma Intl

Fri 8/5

17:30-22:05

1 stop20h 35m

£784

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Seattle from

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 £499, 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 £565.

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 27m

Direct flights

None
The fastest flight from Bristol to Seattle takes 13h 27m
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 27m, 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?

  • 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?

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
KLMPriceFrom £528Free CancellationRating
7.7
1,451 reviews
Search KLM flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Fife
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.

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