Cheap flights from Birmingham to Seattle from £368

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in March or November, booked 79 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Birmingham to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) 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 29 August 2025.

Round-trip from

£462

One-way from

£368

Popular in

July

Cheapest in

March

Average price

£804
Scandinavian Airlines
  • Scandinavian Airlines
  • 9/10-19/10
  • 2 total stops
  • 45h 05m total
  • Birmingham to Seattle
12/10
  • 12/10
  • 3 total stops
  • 59h 25m total
  • Birmingham to Seattle
Highest demand for flights based on searches. 16% potential increase in price (£98 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 August 2025

Find flight deals from Birmingham to Seattle

Cheapest flights from Birmingham to Seattle
Explore the most affordable flight options available from Birmingham to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Thu 9/1019:10BHX - SEA
1 stop26h 50mScandinavian Airlines
Sun 19/1016:20SEA - BHX
1 stop18h 15mScandinavian Airlines
Deal found 26/8£462
Sun 12/1008:40BHX - SEA
1 stop17h 10mMultiple Airlines
Sun 19/1019:35SEA - BHX
1 stop14h 35mMultiple Airlines
Deal found 28/8£506
Thu 9/1009:05BHX - SEA
1 stop15h 00mDelta
Sun 19/1009:46SEA - BHX
2 stops19h 54mDelta
Deal found 27/8£543
Mon 20/1008:10BHX - SEA
1 stop17h 40mAer Lingus
Fri 7/1120:05SEA - BHX
1 stop11h 25mAer Lingus
Deal found 27/8£583
Mon 20/1020:15BHX - SEA
2 stops34h 07mVirgin Atlantic
Fri 7/1114:05SEA - BHX
1 stop17h 15mVirgin Atlantic
Deal found 27/8£594
Mon 20/1009:05BHX - SEA
2 stops19h 45mDelta
Fri 7/1106:00SEA - BHX
2 stops19h 30mDelta
Deal found 27/8£594
Thu 9/1006:15BHX - SEA
2 stops22h 01mVirgin Atlantic
Sun 19/1022:05SEA - BHX
2 stops35h 45mVirgin Atlantic
Deal found 26/8£614
Mon 15/1206:00BHX - SEA
2 stops21h 16mAir Canada
Fri 26/1220:00SEA - BHX
2 stops32h 35mAir Canada
Deal found 26/8£617

Cheapflights Fare Finder

 
Customise your flight search to find flights from Birmingham 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 29 August 2025.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Birmingham

Fly to

Seattle

Route

Depart

Return

Price

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 9/10

19:10-14:00

1 stop26h 50m

Seattle/Tacoma Intl

Sun 19/10

16:20-18:35

1 stop18h 15m

£462

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 12/10

08:40-17:50

1 stop17h 10m

Seattle/Tacoma Intl

Sun 19/10

19:35-18:10

1 stop14h 35m

£506

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 9/10

09:05-16:05

1 stop15h 00m

Seattle/Tacoma Intl

Sun 19/10

09:46-13:40

2 stops19h 54m

£543

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 20/10

08:10-17:50

1 stop17h 40m

Seattle/Tacoma Intl

Fri 7/11

20:05-15:30

1 stop11h 25m

£583

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 20/10

20:15-22:22

2 stops34h 07m

Seattle/Tacoma Intl

Fri 7/11

14:05-15:20

1 stop17h 15m

£594

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 20/10

09:05-20:50

2 stops19h 45m

Seattle/Tacoma Intl

Fri 7/11

06:00-09:30

2 stops19h 30m

£594

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 9/10

06:15-20:16

2 stops22h 01m

Seattle/Tacoma Intl

Sun 19/10

22:05-17:50

2 stops35h 45m

£614

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 15/12

06:00-19:16

2 stops21h 16m

Seattle/Tacoma Intl

Fri 26/12

20:00-12:35

2 stops32h 35m

£617

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 12/10

17:40-21:05

3 stops59h 25m

£368

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Best time to book a flight from Birmingham to Seattle

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

How far ahead should I book a flight from Birmingham to Seattle?

Use this chart to determine the optimal time to book a return flight from Birmingham to Seattle. Price data was last updated on 22 August 2025.

The best time to book flights from Birmingham to Seattle is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £622). Flying from Birmingham 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.

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

Find hourly flight availability from Birmingham 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 29 August 2025.

One of the essential ways to save on airfare from Birmingham to Seattle is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

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 29 August 2025.
Check out reviews from past customers who have flown with KLM, Air France, andVirgin Atlantic from Birmingham to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Birmingham 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 Birmingham to Seattle?

    A quick flight from Birmingham to Seattle can take about 15h. Scandinavian Airlines provides one of the quickest options available for as low as £543. The distance between Birmingham and Seattle is about 4695 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Lufthansa (£471), KLM (£505), and Air France (£516) offers the cheapest pricing from Birmingham to Seattle. Users have found that Lufthansa is 29% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Birmingham 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 Birmingham to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £622). Flying from Birmingham 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 Seattle?

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

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Top 6 airlines flying from Birmingham to Seattle

Discover the top 6 airlines that operate flights from Birmingham 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£471Average£584FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£505Average£614FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£516Average£658FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£518Average£631FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£554Average£645FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£610Average£835FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 Birmingham to Seattle?

Cheapflights helps you search for flights from Birmingham to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Seattle from Birmingham by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Seattle from Birmingham shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Birmingham 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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