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Cheap flights from Birmingham to Seattle from £404

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 17/8. 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

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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 - 17:10
BHX
-
SEA
17h 00m
1 stop
Aer Lingus Logo
19:10 - 19:55
SEA
-
BHX
16h 45m
1 stop
£479Aer Lingus
Thu, 23 Jul - Thu, 30 Jul
Aer Lingus Logo
08:10 - 17:10
BHX
-
SEA
17h 00m
1 stop
Aer Lingus Logo
19:10 - 18:10
SEA
-
BHX
15h 00m
1 stop
£483Aer Lingus
Fri, 10 Jul - Sat, 18 Jul
KLM Logo
05:55 - 16:20
BHX
-
SEA
18h 25m
1 stop
KLM Logo
17:30 - 16:50
SEA
-
BHX
39h 20m
2 stops
£538KLM
Fri, 10 Jul - Sat, 18 Jul
Aer Lingus Logo
12:20 - 17:10
BHX
-
SEA
12h 50m
1 stop
Aer Lingus Logo
19:10 - 16:05
SEA
-
BHX
12h 55m
1 stop
£560Aer Lingus
Wed, 19 Aug - Sun, 23 Aug
British Airways Logo
12:20 - 17:10
BHX
-
SEA
12h 50m
1 stop
British Airways Logo
19:10 - 11:50
SEA
-
BHX
32h 40m
1 stop
£567British Airways
Wed, 23 Sep - Sun, 27 Sep
British Airways Logo
12:20 - 17:10
BHX
-
SEA
12h 50m
1 stop
British Airways Logo
13:30 - 15:20
SEA
-
BHX
17h 50m
2 stops
£579British Airways
Wed, 23 Sep - Sun, 27 Sep
United Airlines Logo
06:05 - 14:22
BHX
-
SEA
16h 17m
2 stops
United Airlines Logo
23:13 - 17:25
SEA
-
BHX
34h 12m
2 stops
£585United Airlines
Wed, 23 Sep - Sun, 27 Sep
United Airlines Logo
06:05 - 23:26
BHX
-
SEA
25h 21m
3 stops
United Airlines Logo
23:13 - 09:50
SEA
-
BHX
26h 37m
2 stops
£589United Airlines
Wed, 23 Sep - Sun, 27 Sep
Virgin Atlantic Logo
05:55 - 16:38
BHX
-
SEA
18h 43m
2 stops
Virgin Atlantic Logo
16:06 - 12:40
SEA
-
BHX
36h 34m
2 stops
£594Virgin Atlantic
Fri, 10 Jul - Sat, 18 Jul
Multiple Airlines Logo
12:20 - 17:10
BHX
-
SEA
12h 50m
1 stop
Multiple Airlines Logo
23:25 - 14:35
SEA
-
BHX
31h 10m
2 stops
£603Multiple Airlines
Tue, 18 Aug - Fri, 28 Aug

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Aer Lingus flights from Birmingham to Seattle

Our best Aer Lingus deals on Birmingham to Seattle flight tickets
Aer Lingus
23 Jul
BHX08:10Birmingham
17h 00m
1 stop
SEA17:10Seattle/Tacoma Intl
30 Jul
SEA19:10Seattle/Tacoma Intl
16h 45m
1 stop
BHX19:55Birmingham
£479
Aer Lingus
10 Jul
BHX08:10Birmingham
17h 00m
1 stop
SEA17:10Seattle/Tacoma Intl
18 Jul
SEA19:10Seattle/Tacoma Intl
15h 00m
1 stop
BHX18:10Birmingham
£483
Aer Lingus
19 Aug
BHX12:20Birmingham
12h 50m
1 stop
SEA17:10Seattle/Tacoma Intl
23 Aug
SEA19:10Seattle/Tacoma Intl
12h 55m
1 stop
BHX16:05Birmingham
£560

Delta flights from Birmingham to Seattle

Our best Delta deals on Birmingham to Seattle flight tickets
Delta
23 Jul
BHX05:55Birmingham
13h 38m
1 stop
SEA11:33Seattle/Tacoma Intl
30 Jul
SEA07:20Seattle/Tacoma Intl
17h 15m
2 stops
BHX08:35Birmingham
£679
Delta
15 Aug
BHX09:15Birmingham
19h 20m
2 stops
SEA20:35Seattle/Tacoma Intl
10 Sept
SEA07:15Seattle/Tacoma Intl
17h 20m
2 stops
BHX08:35Birmingham
£779

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 29 June 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 - SEA

BHXSEA

Birmingham

Thu 23/7

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Thu 30/7

19:10-19:55

1 stop16h 45m

£479

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 10/7

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Sat 18/7

19:10-18:10

1 stop15h 00m

£483

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 10/7

05:55-16:20

1 stop18h 25m

Seattle/Tacoma Intl

Sat 18/7

17:30-16:50

2 stops39h 20m

£538
Fastest return journey

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 19/8

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Sun 23/8

19:10-16:05

1 stop12h 55m

£560

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 23/9

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Sun 27/9

19:10-11:50

1 stop32h 40m

£567

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 23/9

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Sun 27/9

13:30-15:20

2 stops17h 50m

£579

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 23/9

06:05-14:22

2 stops16h 17m

Seattle/Tacoma Intl

Sun 27/9

23:13-17:25

2 stops34h 12m

£585

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 23/9

06:05-23:26

3 stops25h 21m

Seattle/Tacoma Intl

Sun 27/9

23:13-09:50

2 stops26h 37m

£589

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 10/7

05:55-16:38

2 stops18h 43m

Seattle/Tacoma Intl

Sat 18/7

16:06-12:40

2 stops36h 34m

£594

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 18/8

12:20-17:10

1 stop12h 50m

Seattle/Tacoma Intl

Fri 28/8

23:25-14:35

2 stops31h 10m

£603

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 £385, 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 £445.

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

12h 50m

Direct flights

None
The fastest flight from Birmingham to Seattle takes 12h 50m
There are no direct flights from Birmingham to Seattle. There are no popular flight routes from Birmingham to Seattle.
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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 12h 50m.

  • 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
British AirwaysPriceFrom £368Free CancellationRating
6.7
8,085 reviews
Search British Airways flights
LufthansaPriceFrom £398Free CancellationRating
6.8
8,109 reviews
Search Lufthansa flights
Aer LingusPriceFrom £490Free CancellationRating
7.3
1,633 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom £565Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights

Travelling to a place near Seattle?

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

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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