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Cheap flights from Bristol to Seattle from £607

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 17/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Bristol to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:25 - 17:10
BRS
-
SEA
12h 45m
1 stop
Multiple Airlines Logo
15:40 - 23:05
SEA
-
BRS
23h 25m
2 stops
£607Multiple Airlines
Mon, 17 Aug - Mon, 31 Aug
Aer Lingus Logo
12:25 - 17:10
BRS
-
SEA
12h 45m
1 stop
Aer Lingus Logo
19:10 - 16:00
SEA
-
BRS
12h 50m
1 stop
£637Aer Lingus
Mon, 17 Aug - Mon, 31 Aug
Aer Lingus Logo
12:25 - 17:10
BRS
-
SEA
12h 45m
1 stop
Aer Lingus Logo
19:10 - 16:00
SEA
-
BRS
12h 50m
1 stop
£669Aer Lingus
Mon, 17 Aug - Mon, 31 Aug
KLM Logo
17:40 - 11:47
BRS
-
SEA
26h 07m
1 stop
KLM Logo
13:50 - 10:15
SEA
-
BRS
12h 25m
1 stop
£686KLM
Sat, 5 Sep - Sat, 19 Sep
KLM Logo
06:15 - 11:47
BRS
-
SEA
13h 32m
1 stop
KLM Logo
10:45 - 10:15
SEA
-
BRS
15h 30m
2 stops
£686KLM
Sat, 5 Sep - Sat, 19 Sep
KLM Logo
06:15 - 11:47
BRS
-
SEA
13h 32m
1 stop
KLM Logo
10:45 - 10:15
SEA
-
BRS
15h 30m
2 stops
£687KLM
Sat, 5 Sep - Sat, 19 Sep
Delta Logo
06:15 - 16:54
BRS
-
SEA
18h 39m
2 stops
Delta Logo
09:30 - 10:15
SEA
-
BRS
16h 45m
2 stops
£689Delta
Sat, 5 Sep - Sat, 19 Sep
Delta Logo
06:15 - 16:54
BRS
-
SEA
18h 39m
2 stops
Delta Logo
09:30 - 10:15
SEA
-
BRS
16h 45m
2 stops
£690Delta
Sat, 5 Sep - Sat, 19 Sep
Multiple Airlines Logo
20:25 - 21:07
BRS
-
SEA
32h 42m
3 stops
Multiple Airlines Logo
19:00 - 23:00
SEA
-
BRS
20h 00m
2 stops
£691Multiple Airlines
Sun, 16 Aug - Mon, 31 Aug
Delta Logo
06:15 - 14:55
BRS
-
SEA
16h 40m
2 stops
Delta Logo
07:30 - 10:15
SEA
-
BRS
18h 45m
2 stops
£692Delta
Sat, 5 Sep - Sat, 19 Sep

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KLM flights from Bristol to Seattle

Our best KLM deals on Bristol to Seattle flight tickets
KLM
5 Sept
BRS17:40Bristol
26h 07m
1 stop
SEA11:47Seattle/Tacoma Intl
19 Sept
SEA13:50Seattle/Tacoma Intl
12h 25m
1 stop
BRS10:15Bristol
£686
KLM
5 Sept
BRS06:15Bristol
13h 32m
1 stop
SEA11:47Seattle/Tacoma Intl
19 Sept
SEA10:45Seattle/Tacoma Intl
15h 30m
2 stops
BRS10:15Bristol
£686
KLM
5 Sept
BRS06:15Bristol
13h 32m
1 stop
SEA11:47Seattle/Tacoma Intl
19 Sept
SEA10:45Seattle/Tacoma Intl
15h 30m
2 stops
BRS10:15Bristol
£687

Delta flights from Bristol to Seattle

Our best Delta deals on Bristol to Seattle flight tickets
Delta
5 Sept
BRS06:15Bristol
18h 39m
2 stops
SEA16:54Seattle/Tacoma Intl
19 Sept
SEA09:30Seattle/Tacoma Intl
16h 45m
2 stops
BRS10:15Bristol
£689
Delta
5 Sept
BRS06:15Bristol
18h 39m
2 stops
SEA16:54Seattle/Tacoma Intl
19 Sept
SEA09:30Seattle/Tacoma Intl
16h 45m
2 stops
BRS10:15Bristol
£690
Delta
5 Sept
BRS06:15Bristol
16h 40m
2 stops
SEA14:55Seattle/Tacoma Intl
19 Sept
SEA07:30Seattle/Tacoma Intl
18h 45m
2 stops
BRS10:15Bristol
£692

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 1 July 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

Cheapest return flight

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 17/8

12:25-17:10

1 stop12h 45m

Seattle/Tacoma Intl

Mon 31/8

15:40-23:05

2 stops23h 25m

£607
Fastest return journey

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 17/8

12:25-17:10

1 stop12h 45m

Seattle/Tacoma Intl

Mon 31/8

19:10-16:00

1 stop12h 50m

£636

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 17/8

12:25-17:10

1 stop12h 45m

Seattle/Tacoma Intl

Mon 31/8

19:10-16:00

1 stop12h 50m

£669

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

17:40-11:47

1 stop26h 07m

Seattle/Tacoma Intl

Sat 19/9

13:50-10:15

1 stop12h 25m

£686

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-11:47

1 stop13h 32m

Seattle/Tacoma Intl

Sat 19/9

10:45-10:15

2 stops15h 30m

£686

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-11:47

1 stop13h 32m

Seattle/Tacoma Intl

Sat 19/9

10:45-10:15

2 stops15h 30m

£687

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-16:54

2 stops18h 39m

Seattle/Tacoma Intl

Sat 19/9

09:30-10:15

2 stops16h 45m

£689

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-16:54

2 stops18h 39m

Seattle/Tacoma Intl

Sat 19/9

09:30-10:15

2 stops16h 45m

£690

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sun 16/8

20:25-21:07

3 stops32h 42m

Seattle/Tacoma Intl

Mon 31/8

19:00-23:00

2 stops20h 00m

£691

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-14:55

2 stops16h 40m

Seattle/Tacoma Intl

Sat 19/9

07:30-10:15

2 stops18h 45m

£692

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

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

12h 45m

Direct flights

None
The fastest flight from Bristol to Seattle takes 12h 45m
There are no direct flights from Bristol to Seattle. There are no popular flight routes from Bristol to Seattle.
Search flight deals

Frequently asked questions about flying from Bristol to Seattle

  • 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 12h 45m, 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 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.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Westport
Kirkland
Fife
Ashford
Tacoma
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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