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Cheap flights from Bristol to Seattle from £720

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
BRS — SEA
6 May — 13 May1
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 1 May 2025.

Round-trip from

£720

Popular in

July

Cheapest in

February

Average price

£703
Delta
  • Delta
  • 14/6-21/6
  • 3 total stops
  • 34h 49m total
  • Bristol to Seattle
Highest demand for flights based on searches. 19% potential increase in price (£133 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in May 2025

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 1 May 2025.

Sat 14/609:20BRS - SEA
2 stops19h 44mDelta
Sat 21/614:10SEA - BRS
1 stop15h 05mDelta
Deal found 30/4£720
Sat 14/613:30BRS - SEA
3 stops32h 20mMultiple Airlines
Sat 21/616:00SEA - BRS
2 stops21h 35mMultiple Airlines
Deal found 30/4£890
Sun 21/1217:25BRS - SEA
2 stops36h 58mVirgin Atlantic
Mon 5/123:35SEA - BRS
2 stops29h 35mVirgin Atlantic
Deal found 30/4£985
Sun 21/1212:20BRS - SEA
1 stop13h 55mAer Lingus
Mon 5/122:20SEA - BRS
2 stops33h 00mAer Lingus
Deal found 30/4£1,002
Sun 21/1217:25BRS - SEA
1 stop26h 25mKLM
Mon 5/115:00SEA - BRS
1 stop23h 10mKLM
Deal found 1/5£1,112

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 1 May 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

Sat 14/6

09:20-21:04

2 stops19h 44m

Seattle/Tacoma Intl

Sat 21/6

14:10-13:15

1 stop15h 05m

£720

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Sat 14/6

13:30-13:50

3 stops32h 20m

Seattle/Tacoma Intl

Sat 21/6

16:00-21:35

2 stops21h 35m

£890

BristolSeattle

BRS - SEA

BRSSEA

Bristol

Thu 12/6

06:15-16:17

2 stops18h 02m

Seattle/Tacoma Intl

Sun 29/6

09:33-08:50

2 stops15h 17m

£1,218

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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 1 May 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 1 May 2025.

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

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
8.0
Very Good

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

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

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

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

    Currently priced at £720, Delta will fly you from Bristol to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as £1,218. Users have found that Delta is 3% 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

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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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£539Average£658FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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