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Cheap flights from Birmingham to Seattle from £338

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Birmingham to Seattle

Enter your travel dates to find the best prices.

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 22 January 2026.

Wed 4/308:40
BHX
-
SEA
1 stop17h 40m
Multiple Airlines
Wed 11/321:05
SEA
-
BHX
1 stop16h 35m
Multiple Airlines
Deal found 20/1£457
Fri 13/213:45
BHX
-
SEA
1 stop30h 25m
Lufthansa
Mon 23/307:00
SEA
-
BHX
2 stops32h 45m
Lufthansa
Deal found 21/1£473
Wed 18/206:00
BHX
-
SEA
2 stops21h 03m
Multiple Airlines
Wed 25/210:55
SEA
-
BHX
2 stops23h 05m
Multiple Airlines
Deal found 21/1£474
Wed 18/206:00
BHX
-
SEA
2 stops21h 03m
Lufthansa
Wed 25/215:10
SEA
-
BHX
1 stop17h 50m
Lufthansa
Deal found 21/1£478
Thu 19/206:00
BHX
-
SEA
1 stop14h 10m
United Airlines
Mon 2/308:17
SEA
-
BHX
2 stops20h 28m
United Airlines
Deal found 22/1£481
Wed 4/309:05
BHX
-
SEA
2 stops19h 51m
Lufthansa
Wed 11/316:10
SEA
-
BHX
1 stop17h 50m
Lufthansa
Deal found 20/1£483
Wed 4/306:00
BHX
-
SEA
2 stops23h 01m
United Airlines
Wed 11/309:20
SEA
-
BHX
2 stops20h 25m
United Airlines
Deal found 20/1£485
Wed 18/206:00
BHX
-
SEA
2 stops22h 56m
United Airlines
Mon 2/308:17
SEA
-
BHX
2 stops20h 28m
United Airlines
Deal found 22/1£485
Fri 13/213:45
BHX
-
SEA
2 stops19h 14m
United Airlines
Mon 23/306:45
SEA
-
BHX
2 stops23h 00m
United Airlines
Deal found 21/1£486
Fri 12/618:35
BHX
-
SEA
1 stop28h 00m
SWISS
Mon 22/616:35
SEA
-
BHX
1 stop31h 30m
SWISS
Deal found 20/1£494

Find 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 22 January 2026.

Round-trip from

£457

One-way from

£338

Popular in

July

Cheapest in

March

Average price

£561
4/3-11/3
  • 4/3-11/3
  • 2 total stops
  • 34h 15m total
  • Birmingham to Seattle
Search Deals
22/2
  • 22/2
  • 3 total stops
  • 47h 32m total
  • Birmingham to Seattle
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 January 2026.
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

Wed 4/3

08:40-18:20

1 stop17h 40m

Seattle/Tacoma Intl

Wed 11/3

21:05-20:40

1 stop16h 35m

£457

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 13/2

13:45-12:10

1 stop30h 25m

Seattle/Tacoma Intl

Mon 23/3

07:00-22:45

2 stops32h 45m

£473

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 18/2

06:00-19:03

2 stops21h 03m

Seattle/Tacoma Intl

Wed 25/2

10:55-18:00

2 stops23h 05m

£474

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 18/2

06:00-19:03

2 stops21h 03m

Seattle/Tacoma Intl

Wed 25/2

15:10-17:00

1 stop17h 50m

£478

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 19/2

06:00-12:10

1 stop14h 10m

Seattle/Tacoma Intl

Wed 25/2

08:17-12:45

2 stops20h 28m

£481

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 7/3

06:00-19:56

2 stops45h 56m

Seattle/Tacoma Intl

Sat 14/3

12:36-12:35

2 stops40h 59m

£485

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 24/2

06:00-21:01

2 stops23h 01m

Seattle/Tacoma Intl

Tue 3/3

07:00-08:10

2 stops17h 10m

£485

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 23/2

08:45-00:59

2 stops24h 14m

Seattle/Tacoma Intl

Mon 2/3

07:00-12:45

2 stops21h 45m

£485

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 24/2

06:00-20:56

2 stops22h 56m

Seattle/Tacoma Intl

Sun 1/3

07:15-12:35

2 stops21h 20m

£485

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 18/2

06:00-19:03

2 stops21h 03m

Seattle/Tacoma Intl

Sat 28/2

07:15-12:35

2 stops21h 20m

£485

Flights are sorted by cheapest return flights first.

Deals found on 21/1

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 16 January 2026.

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, April is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £362). Flying from Birmingham to Seattle in July is currently the most expensive (average of £581). 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.

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 22 January 2026.
Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andAir France 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.
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,523 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Aer Lingus
7.2
Good
1,441 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,738 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 14h 10m. Lufthansa provides one of the quickest options available for as low as £481. 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, British Airways (£362), Lufthansa (£391), and KLM (£494) offers the cheapest pricing from Birmingham to Seattle. Users have found that British Airways is 42% 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, April is the cheapest month in which you can book a flight from Birmingham to Seattle (average of £362). Flying from Birmingham to Seattle in July is currently the most expensive (average of £581). 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
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Birmingham to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Spokane flights
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Heathrow to Bellingham flights
Grimsby to Portland flights

Top 7 airlines flying from Birmingham to Seattle

Discover the top 7 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£362Average£377FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£391Average£536FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£494Average£588FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£519Average£643FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£521Average£643FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£544Average£809FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest£592Average£649FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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