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Cheap flights from Bristol to Seattle from £537

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — SEA
13 Jul — 20 Jul1
1 adult

Cheap 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 8 July 2025.

Round-trip from

£613

One-way from

£537

Popular in

July

Cheapest in

September

Average price

£1,101
Delta
  • Delta
  • 18/8-25/8
  • 2 total stops
  • 32h 40m total
  • Bristol to Seattle
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16/7
  • 16/7
  • 3 total stops
  • 43h 41m total
  • Bristol to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Bristol to Seattle

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 8 July 2025.

Mon 18/806:15BRS - SEA
1 stop17h 40mDelta
Mon 25/814:10SEA - BRS
1 stop15h 00mDelta
Deal found 7/7£613
Wed 20/807:05BRS - SEA
3 stops21h 23mMultiple Airlines
Wed 27/815:45SEA - BRS
2 stops23h 10mMultiple Airlines
Deal found 6/7£704
Wed 20/809:20BRS - SEA
1 stop14h 35mKLM
Wed 27/814:10SEA - BRS
1 stop23h 55mKLM
Deal found 6/7£787
Wed 20/808:25BRS - SEA
1 stop17h 25mAer Lingus
Tue 26/800:46SEA - BRS
2 stops31h 14mAer Lingus
Deal found 6/7£892

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 8 July 2025.
Use the filters below to find and compare flights from Bristol to Seattle that are best for you.

Fly from

Bristol

Fly to

Seattle

Route

Depart

Return

Price

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 18/8

06:15-15:55

1 stop17h 40m

Seattle/Tacoma Intl

Mon 25/8

14:10-13:10

1 stop15h 00m

£613

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 20/8

07:05-20:28

3 stops21h 23m

Seattle/Tacoma Intl

Wed 27/8

15:45-22:55

2 stops23h 10m

£704

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 20/8

09:20-15:55

1 stop14h 35m

Seattle/Tacoma Intl

Wed 27/8

14:10-22:05

1 stop23h 55m

£787

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 20/8

08:25-17:50

1 stop17h 25m

Seattle/Tacoma Intl

Tue 26/8

00:46-16:00

2 stops31h 14m

£892

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 16/7

07:40-19:21

3 stops43h 41m

£537

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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.

Cheapflights Insights

Everything you need to know about your flight from Bristol to Seattle

What is the cheapest time of day to fly from BRS to SEA?

Find hourly flight availability from Bristol to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.

A simple way to save on the total cost of your ticket is to fly from Bristol to Seattle at midday. If you’re flexible enough to do this you can expect to save up to 1% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 8 July 2025.
Read through reviews of airlines operating flights from Bristol to Seattle, such as Delta, KLM, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,962 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,962 reviews
Delta
8.0
Very Good
7,962 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,370 reviews
Delta
8.0
Very Good
7,962 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,151 reviews
Delta
8.0
Very Good
7,962 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Bristol to Seattle round-trip?

    Currently priced at £613, Delta will fly you from Bristol to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Aer Lingus - these airlines can fly you to your destination from £787 and £892, respectively. Users have found that Delta is 12% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Bristol to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Bristol to Seattle (average of £622). Flying from Bristol to Seattle in July is currently the most expensive (average of £946). 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

Travelling to a place near Bristol?

Book flights to Bristol if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

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Alternative routes for Bristol to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Bristol to Seattle

Discover the top 2 airlines 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£529Average£623FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£560Average£641FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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