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Cheap flights from Birmingham to Seattle from £301

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in March or November, booked 78 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 4 July 2025.

Round-trip from

£583

One-way from

£301

Popular in

July

Cheapest in

March

Average price

£999
Virgin Atlantic
  • Virgin Atlantic
  • 25/8-9/9
  • 2 total stops
  • 43h 40m total
  • Birmingham to Seattle
26/8
  • 26/8
  • 3 total stops
  • 39h 03m total
  • Birmingham to Seattle
Highest demand for flights based on searches. 17% potential increase in price (£105 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in July 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 4 July 2025.

Mon 25/820:15BHX - SEA
1 stop23h 20mVirgin Atlantic
Tue 9/913:30SEA - BHX
1 stop20h 20mVirgin Atlantic
Deal found 2/7£583
Mon 25/806:00BHX - SEA
2 stops21h 00mDelta
Tue 9/909:53SEA - BHX
2 stops19h 47mDelta
Deal found 2/7£587
Sun 17/806:55BHX - SEA
2 stops21h 33mMultiple Airlines
Sun 24/819:35SEA - BHX
1 stop28h 55mMultiple Airlines
Deal found 3/7£595
Mon 11/808:10BHX - SEA
1 stop17h 40mAer Lingus
Tue 26/819:35SEA - BHX
1 stop16h 10mAer Lingus
Deal found 3/7£621
Mon 11/808:10BHX - SEA
1 stop17h 40mFinnair
Tue 26/813:32SEA - BHX
2 stops22h 13mFinnair
Deal found 3/7£714
Thu 14/819:10BHX - SEA
1 stop26h 40mScandinavian Airlines
Mon 25/816:00SEA - BHX
1 stop18h 35mScandinavian Airlines
Deal found 2/7£740
Sun 17/816:40BHX - SEA
1 stop33h 10mIberia
Sun 24/819:35SEA - BHX
1 stop16h 10mIberia
Deal found 3/7£788
Sun 17/817:35BHX - SEA
1 stop26h 00mKLM
Sun 24/817:40SEA - BHX
1 stop15h 10mKLM
Deal found 3/7£812
Sun 17/805:55BHX - SEA
2 stops26h 04mUnited Airlines
Sun 24/823:54SEA - BHX
2 stops24h 46mUnited Airlines
Deal found 3/7£864
Fri 4/717:10BHX - SEA
1 stop25h 25mTurkish Airlines
Sat 12/712:30SEA - BHX
1 stop37h 20mTurkish Airlines
Deal found 3/7£888

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 4 July 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

Mon 25/8

20:15-11:35

1 stop23h 20m

Seattle/Tacoma Intl

Tue 9/9

13:30-17:50

1 stop20h 20m

£583

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 25/8

06:00-19:00

2 stops21h 00m

Seattle/Tacoma Intl

Tue 9/9

09:53-13:40

2 stops19h 47m

£587

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 17/8

06:55-20:28

2 stops21h 33m

Seattle/Tacoma Intl

Sun 24/8

19:35-08:30

1 stop28h 55m

£595

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 11/8

08:10-17:50

1 stop17h 40m

Seattle/Tacoma Intl

Tue 26/8

19:35-19:45

1 stop16h 10m

£621

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 11/8

08:10-17:50

1 stop17h 40m

Seattle/Tacoma Intl

Tue 26/8

13:32-19:45

2 stops22h 13m

£714

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 14/8

19:10-13:50

1 stop26h 40m

Seattle/Tacoma Intl

Mon 25/8

16:00-18:35

1 stop18h 35m

£740

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 17/8

16:40-17:50

1 stop33h 10m

Seattle/Tacoma Intl

Sun 24/8

19:35-19:45

1 stop16h 10m

£788

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 17/8

17:35-11:35

1 stop26h 00m

Seattle/Tacoma Intl

Sun 24/8

17:40-16:50

1 stop15h 10m

£812

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 17/8

05:55-23:59

2 stops26h 04m

Seattle/Tacoma Intl

Sun 24/8

23:54-08:40

2 stops24h 46m

£864

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 11/8

05:55-22:59

2 stops25h 04m

Seattle/Tacoma Intl

Tue 26/8

07:10-12:15

3 stops21h 05m

£975

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 13 results
1
2

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 27 June 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 4 July 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 4 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andFinnair 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.

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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!
8.0
Very Good

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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!

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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 Birmingham 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 Birmingham to Seattle round-trip?

    According to our current data, Virgin Atlantic (£583), Delta (£587), and Aer Lingus (£621) offers the cheapest pricing from Birmingham to Seattle. Users have found that Virgin Atlantic is 13% 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 Birmingham?

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

Browse thousands of different options on Cheapflights for your next trip

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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£467Average£579FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£511Average£647FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£513Average£633FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£520Average£631FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£549Average£639FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£589Average£817FlexibilityNo 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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