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Cheap flights from Bristol to Seattle from £270

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — SEA
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£638

One-way from

£270

Popular in

July

Cheapest in

February

Average price

£616
Aer Lingus
  • Aer Lingus
  • 5/4-12/4
  • 3 total stops
  • 42h 13m total
  • Bristol to Seattle
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18/3
  • 18/3
  • 2 total stops
  • 50h 17m total
  • Bristol to Seattle
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£205 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
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Average for round-trip flights in February 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 21 February 2025.

Sat 5/413:30BRS - SEA
2 stops28h 58mMultiple Airlines
Sat 12/418:45SEA - BRS
1 stop13h 15mMultiple Airlines
Deal found 20/2£638
Sat 5/406:15BRS - SEA
2 stops16h 45mDelta
Sat 12/407:20SEA - BRS
2 stops21h 55mDelta
Deal found 20/2£863
Tue 25/206:00BRS - SEA
1 stop13h 46mKLM
Fri 28/214:09SEA - BRS
1 stop18h 41mKLM
Deal found 21/2£1,269

Find flights from Bristol to Seattle within your budget

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 21 February 2025.

Fly from

Bristol

Fly to

Seattle

Route

Depart

Return

Price

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/4

13:30-10:28

2 stops28h 58m

Seattle/Tacoma Intl

Sat 12/4

18:45-16:00

1 stop13h 15m

£638

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 5/4

06:15-15:00

2 stops16h 45m

Seattle/Tacoma Intl

Sat 12/4

07:20-13:15

2 stops21h 55m

£863

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Tue 18/3

14:35-09:52

2 stops50h 17m

£270

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sun 16/3

12:20-19:15

1 stop13h 55m

£794

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 4/8

15:10-18:36

2 stops35h 26m

£2,445

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Mon 4/8

06:15-15:55

1 stop17h 40m

£8,074

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Bristol to Seattle

Get recent, data-driven insights about flights from Bristol to Seattle including ideal travel times, pricing trends, and more.

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 21 February 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 21 February 2025.
Delta
8.0
Very Good
8,212 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,212 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 is the cheapest airline to fly from Bristol to Seattle round-trip?

    Currently priced at £863, Delta will fly you from Bristol to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip.

  • What are the cheapest airlines to fly from Bristol to Seattle one-way?

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £794. However, be on the lookout for offers from SWISS and Delta, as they are both options that can get you from Bristol to Seattle for a low price.

  • 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

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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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£558Average£704FlexibilityNo 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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