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Cheap flights from Birmingham to Seattle from £421

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Birmingham to Seattle departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Birmingham to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
08:10 - 17:10BHX  Birmingham-SEA Seattle/Tacoma Intl
17h 00m1 stop Dublin
Aer Lingus Logo
19:10 - 18:10SEA  Seattle/Tacoma Intl-BHX Birmingham
15h 00m1 stop Dublin
£607Aer Lingus
Mon, 28 Sep - Mon, 5 Oct
Aer Lingus Logo
12:20 - 17:10BHX  Birmingham-SEA Seattle/Tacoma Intl
12h 50m1 stop Dublin
Aer Lingus Logo
19:10 - 18:10SEA  Seattle/Tacoma Intl-BHX Birmingham
15h 00m1 stop Dublin
£609Aer Lingus
Sun, 27 Sep - Sun, 4 Oct
Aer Lingus Logo
08:10 - 17:10BHX  Birmingham-SEA Seattle/Tacoma Intl
17h 00m1 stop Dublin
Aer Lingus Logo
19:10 - 18:10SEA  Seattle/Tacoma Intl-BHX Birmingham
15h 00m1 stop Dublin
£620Aer Lingus
Mon, 28 Sep - Mon, 5 Oct
KLM Logo
20:15 - 11:47BHX  Birmingham-SEA Seattle/Tacoma Intl
23h 32m1 stop Amsterdam Schiphol
KLM Logo
17:45 - 19:45SEA  Seattle/Tacoma Intl-BHX Birmingham
18h 00m1 stop Amsterdam Schiphol
£623KLM
Tue, 22 Sep - Tue, 29 Sep
KLM Logo
05:55 - 16:35BHX  Birmingham-SEA Seattle/Tacoma Intl
18h 40m1 stop Amsterdam Schiphol
KLM Logo
17:45 - 19:45SEA  Seattle/Tacoma Intl-BHX Birmingham
18h 00m1 stop Amsterdam Schiphol
£627KLM
Wed, 9 Sep - Wed, 23 Sep
KLM Logo
05:55 - 16:35BHX  Birmingham-SEA Seattle/Tacoma Intl
18h 40m1 stop Amsterdam Schiphol
KLM Logo
13:50 - 22:10SEA  Seattle/Tacoma Intl-BHX Birmingham
24h 20m1 stop Amsterdam Schiphol
£627KLM
Wed, 9 Sep - Wed, 23 Sep
Virgin Atlantic Logo
20:15 - 11:47BHX  Birmingham-SEA Seattle/Tacoma Intl
23h 32m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
06:00 - 08:35SEA  Seattle/Tacoma Intl-BHX Birmingham
18h 35m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
£643Virgin Atlantic
Mon, 28 Sep - Mon, 5 Oct
Lufthansa Logo
06:05 - 11:55BHX  Birmingham-SEA Seattle/Tacoma Intl
13h 50m1 stop Frankfurt am Main
Lufthansa Logo
14:10 - 21:45SEA  Seattle/Tacoma Intl-BHX Birmingham
23h 35m1 stop Frankfurt am Main
£804Lufthansa
Thu, 10 Sep - Thu, 17 Sep
Lufthansa Logo
06:05 - 16:59BHX  Birmingham-SEA Seattle/Tacoma Intl
18h 54m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
14:10 - 21:45SEA  Seattle/Tacoma Intl-BHX Birmingham
23h 35m1 stop Frankfurt am Main
£837Lufthansa
Thu, 10 Sep - Thu, 17 Sep
Virgin Atlantic Logo
09:15 - 20:50BHX  Birmingham-SEA Seattle/Tacoma Intl
19h 35m2 stops Amsterdam Schiphol Vancouver Intl
Virgin Atlantic Logo
21:29 - 12:40SEA  Seattle/Tacoma Intl-BHX Birmingham
31h 11m2 stops Portland Amsterdam Schiphol
£937Virgin Atlantic
Mon, 24 Aug - Wed, 9 Sep

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KLM flights from Birmingham to Seattle

Our best KLM deals on Birmingham to Seattle flight tickets
KLM
22 Sept
BHX20:15Birmingham
23h 32m
1 stop
SEA11:47Seattle/Tacoma Intl
29 Sept
SEA17:45Seattle/Tacoma Intl
18h 00m
1 stop
BHX19:45Birmingham
£623
KLM
9 Sept
BHX05:55Birmingham
18h 40m
1 stop
SEA16:35Seattle/Tacoma Intl
23 Sept
SEA17:45Seattle/Tacoma Intl
18h 00m
1 stop
BHX19:45Birmingham
£627
KLM
9 Sept
BHX05:55Birmingham
13h 52m
1 stop
SEA11:47Seattle/Tacoma Intl
23 Sept
SEA22:40Seattle/Tacoma Intl
25h 55m
2 stops
BHX08:35Birmingham
£645

Delta flights from Birmingham to Seattle

Our best Delta deals on Birmingham to Seattle flight tickets
Delta
22 Sept
BHX09:20Birmingham
15h 15m
1 stop
SEA16:35Seattle/Tacoma Intl
29 Sept
SEA09:43Seattle/Tacoma Intl
19h 57m
2 stops
BHX13:40Birmingham
£640
Delta
22 Sept
BHX05:55Birmingham
18h 50m
2 stops
SEA16:45Seattle/Tacoma Intl
29 Sept
SEA06:00Seattle/Tacoma Intl
19h 30m
2 stops
BHX09:30Birmingham
£644
Delta
28 Sept
BHX09:20Birmingham
21h 40m
2 stops
SEA23:00Seattle/Tacoma Intl
5 Oct
SEA07:15Seattle/Tacoma Intl
21h 25m
2 stops
BHX12:40Birmingham
£647

momondo 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, momondo users made 279,928 searches. Data last updated 15 August 2026.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/9

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Mon 5/10

19:10-18:10

1 stop15h 00m

£607
Fastest return journey

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Sun 27/9

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Sun 4/10

19:10-18:10

1 stop15h 00m

£609

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/9

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Mon 5/10

19:10-18:10

1 stop15h 00m

£620

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Tue 22/9

20:15-11:47

1 stop23h 32m

Seattle/Tacoma Intl

Tue 29/9

17:45-19:45

1 stop18h 00m

£623

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 9/9

05:55-16:35

1 stop18h 40m

Seattle/Tacoma Intl

Wed 23/9

17:45-19:45

1 stop18h 00m

£627

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Wed 9/9

05:55-16:35

1 stop18h 40m

Seattle/Tacoma Intl

Wed 23/9

13:50-22:10

1 stop24h 20m

£627

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 28/9

20:15-11:47

1 stop23h 32m

Seattle/Tacoma Intl

Mon 5/10

06:00-08:35

2 stops18h 35m

£643

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Thu 10/9

06:05-11:55

1 stop13h 50m

Seattle/Tacoma Intl

Thu 17/9

14:10-21:45

1 stop23h 35m

£804

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Thu 10/9

06:05-16:59

2 stops18h 54m

Seattle/Tacoma Intl

Thu 17/9

14:10-21:45

1 stop23h 35m

£837

BirminghamSeattle

BHX Birmingham - SEA Seattle/Tacoma Intl

BHXSEA

Birmingham

Mon 24/8

09:15-20:50

2 stops19h 35m

Seattle/Tacoma Intl

Wed 9/9

21:29-12:40

2 stops31h 11m

£937

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Birmingham to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Birmingham and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from £676 to £912.
The lowest price recently found on this route was £607.

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Birmingham is in April. Flight prices, which tend to average around £376, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Seattle, with average flight prices from Birmingham averaging around £435.

When to book flights from Birmingham to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Birmingham to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Birmingham to Seattle (BHX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Birmingham to Seattle

Fastest flight time

13h 52m

Direct flights

None
The fastest flight from Birmingham to Seattle takes 13h 52m
There are no direct flights from Birmingham to Seattle. There are no popular flight routes from Birmingham to Seattle.
Search flight deals

Frequently asked questions about flying from Birmingham to Seattle

  • How far is Birmingham to Seattle/Tacoma Intl by plane?

    The distance between Birmingham and Seattle/Tacoma Intl is about 4681.3 mi. By plane, this route typically takes 13h 52m.

  • When did momondo last update prices for flights from Birmingham Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Birmingham Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Birmingham Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Birmingham Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Birmingham Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Birmingham to Seattle?

Best airlines flying from Birmingham to Seattle

Compare and see reviews for airlines that fly from Birmingham to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £268Free CancellationRating
7.5
694 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £360Free CancellationRating
6.7
8,164 reviews
Search British Airways flights
LufthansaPriceFrom £388Free CancellationRating
6.8
8,194 reviews
Search Lufthansa flights
Aer LingusPriceFrom £515Free CancellationRating
7.3
1,702 reviews
Search Aer Lingus flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Westport
Kirkland
Ashford
Tacoma
SeaTac
Tukwila
Fife

Why use momondo?

Why should I use momondo to find a flight deal from Birmingham to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Birmingham to Seattle . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Birmingham to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Birmingham which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Birmingham to Seattle?

Once you have performed a search for Birmingham to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Birmingham to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Birmingham and alert you when they change.

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