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Cheap flights from Bristol to Seattle from £453

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — SEA
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bristol to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Bristol to Seattle
Explore the most affordable flight options available from Bristol to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Thu 2/708:25
BRS
-
SEA
1 stop16h 45m
Aer Lingus
Fri 10/719:10
SEA
-
BRS
1 stop12h 20m
Aer Lingus
Deal found 5/6£492
Mon 22/612:25
BRS
-
SEA
1 stop12h 45m
British Airways
Mon 29/619:10
SEA
-
BRS
1 stop12h 50m
British Airways
Deal found 7/6£510
Sat 5/912:25
BRS
-
SEA
1 stop12h 45m
British Airways
Sat 19/919:10
SEA
-
BRS
1 stop28h 45m
British Airways
Deal found 8/6£519
Wed 16/908:25
BRS
-
SEA
1 stop16h 45m
British Airways
Sun 20/919:10
SEA
-
BRS
1 stop12h 50m
British Airways
Deal found 7/6£565
Thu 24/908:25
BRS
-
SEA
1 stop16h 45m
British Airways
Mon 28/919:10
SEA
-
BRS
1 stop12h 50m
British Airways
Deal found 5/6£567
Thu 23/708:25
BRS
-
SEA
1 stop16h 45m
Aer Lingus
Thu 30/719:10
SEA
-
BRS
1 stop12h 50m
Aer Lingus
Deal found 8/6£570
Thu 2/708:25
BRS
-
SEA
1 stop16h 45m
British Airways
Fri 10/720:20
SEA
-
BRS
2 stops27h 35m
British Airways
Deal found 5/6£594

Find flight deals from Bristol to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Bristol (BRS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 June 2026.

Round-trip from

£492

One-way from

£453
Aer Lingus
  • Aer Lingus
  • 2/7-10/7
  • 2 total stops
  • 29h 05m total
  • Bristol to Seattle
Search Deals
1/7
  • 1/7
  • 2 total stops
  • 32h 20m total
  • Bristol to Seattle
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 9 June 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

Sat 5/9

12:25-17:10

1 stop12h 45m

Seattle/Tacoma Intl

Sat 19/9

19:10-07:55

1 stop28h 45m

£519
Fastest return journey

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 16/9

08:25-17:10

1 stop16h 45m

Seattle/Tacoma Intl

Sun 20/9

19:10-16:00

1 stop12h 50m

£565

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Thu 24/9

08:25-17:10

1 stop16h 45m

Seattle/Tacoma Intl

Mon 28/9

19:10-16:00

1 stop12h 50m

£567

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 22/6

14:55-11:35

2 stops28h 40m

Seattle/Tacoma Intl

Mon 29/6

19:10-16:00

1 stop12h 50m

£634

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-16:13

2 stops17h 58m

Seattle/Tacoma Intl

Sat 19/9

10:45-10:15

2 stops15h 30m

£692

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/9

06:15-16:54

2 stops18h 39m

Seattle/Tacoma Intl

Sat 19/9

07:15-10:15

2 stops19h 00m

£692

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 22/6

09:20-20:57

2 stops19h 37m

Seattle/Tacoma Intl

Mon 29/6

11:05-17:00

2 stops21h 55m

£702
Cheapest one-way

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 1/7

09:20-09:40

2 stops32h 20m

£453

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Thu 2/7

21:20-17:10

3 stops51h 50m

£474

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 4/7

22:20-09:40

2 stops43h 20m

£474

Flights are sorted by cheapest return flights first.

Deals found on 7/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
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Best time to book a flight from Bristol to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Bristol 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.

Related info for your journey

Find useful and relevant information for your journey from Bristol to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bristol to Seattle?

    Departing from Bristol to Seattle will take you 12h 45m. The distance between Bristol and Seattle is about 4727 mi.

  • Can I find deals for flights from Bristol to Seattle that include hotel bookings?

    Yes. In addition to deals on Bristol to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bristol to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bristol to Seattle.

  • Can I find deals for business class flights from Bristol to Seattle?

    Yes. Cheapflights offers flight deals from Bristol to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Bristol to Seattle

Discover the top airline that operate flights from Bristol to Seattle. 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£540Average£659FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bristol to Seattle?

When you search for this flight from Bristol to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Bristol to Seattle?

Millions of users choose and trust Cheapflights to book the best flight deals from Bristol to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Bristol to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Bristol to Seattle become cheaper?

Yes! Start tracking prices for Bristol to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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