Find flights
When to book
Airlines
FAQs

Cheap flights from Bristol to Seattle from £471

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — SEA
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£580

One-way from

£471

Popular in

July

Cheapest in

September

Average price

£649
KLM
  • KLM
  • 18/9-29/9
  • 2 total stops
  • 49h 25m total
  • Bristol to Seattle
Search Deals
27/6
  • 27/6
  • 3 total stops
  • 56h 53m 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).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 13 June 2025.

Thu 18/909:20BRS - SEA
1 stop14h 45mKLM
Mon 29/914:10SEA - BRS
1 stop34h 40mKLM
Deal found 12/6£580
Thu 18/909:20BRS - SEA
2 stops19h 30mDelta
Mon 29/906:00SEA - BRS
2 stops18h 50mDelta
Deal found 12/6£584
Wed 30/707:05BRS - SEA
3 stops43h 33mMultiple Airlines
Wed 6/815:45SEA - BRS
2 stops23h 10mMultiple Airlines
Deal found 11/6£695
Wed 30/706:15BRS - SEA
1 stop13h 20mVirgin Atlantic
Wed 6/814:10SEA - BRS
1 stop15h 05mVirgin Atlantic
Deal found 11/6£828
Sun 21/1219:10BRS - SEA
1 stop31h 10mAer Lingus
Mon 5/111:45SEA - BRS
2 stops22h 55mAer Lingus
Deal found 12/6£1,043

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 13 June 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

Thu 18/9

09:20-16:05

1 stop14h 45m

Seattle/Tacoma Intl

Mon 29/9

14:10-08:50

1 stop34h 40m

£580

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Thu 18/9

09:20-20:50

2 stops19h 30m

Seattle/Tacoma Intl

Mon 29/9

06:00-08:50

2 stops18h 50m

£584

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 30/7

07:05-18:38

3 stops43h 33m

Seattle/Tacoma Intl

Wed 6/8

15:45-22:55

2 stops23h 10m

£695

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Wed 30/7

06:15-11:35

1 stop13h 20m

Seattle/Tacoma Intl

Wed 6/8

14:10-13:15

1 stop15h 05m

£828

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Fri 27/6

17:45-18:38

3 stops56h 53m

£471

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 28/7

15:10-18:36

2 stops35h 26m

£2,129

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 13 June 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 13 June 2025.
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 £580, KLM will fly you from Bristol to Seattle and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Virgin Atlantic - these airlines can fly you to your destination from £584 and £828, respectively. Users have found that KLM is 17% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bristol to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Seattle flights
Gatwick to Seattle flights
London City to Seattle flights
Heathrow to Portland flights
Manchester to Seattle flights
Stansted to Seattle flights
Luton to Seattle flights
Gatwick to Portland flights
Edinburgh to Seattle flights
London City to Portland flights
Manchester to Portland flights
Stansted to Portland flights
Heathrow to Spokane flights
Luton to Portland flights
Newcastle upon Tyne to Seattle flights
Birmingham to Seattle flights
Southend to Seattle flights
Birmingham to Portland flights
Gatwick to Spokane flights
London City to Spokane flights
Heathrow to Pasco flights
Edinburgh to Portland flights
Heathrow to Bellingham flights
Southampton to Seattle flights
Leeds to Seattle flights
Bristol to Portland flights
Manchester to Spokane flights
Newquay to Seattle flights
Edinburgh to Pasco flights
Leeds to Portland flights
Grimsby to Portland flights
Birmingham to Spokane flights

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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£530Average£622FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£561Average£642FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights