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Cheap flights from Birmingham to Seattle from £344

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 18/4. 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
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:00 - 18:03
BHX
-
SEA
20h 03m2 stops
United Airlines Logo
07:00 - 12:35
SEA
-
BHX
22h 35m2 stops
£502United Airlines
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
11:40 - 18:20
BHX
-
SEA
14h 40m1 stop
British Airways Logo
19:50 - 08:05
SEA
-
BHX
29h 15m2 stops
£538British Airways
Wed, 4 Mar - Tue, 17 Mar
British Airways Logo
09:10 - 18:20
BHX
-
SEA
17h 10m1 stop
British Airways Logo
19:50 - 19:10
SEA
-
BHX
16h 20m2 stops
£551British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
08:35 - 16:55
BHX
-
SEA
16h 20m2 stops
British Airways Logo
14:25 - 16:40
SEA
-
BHX
19h 15m2 stops
£577British Airways
Wed, 4 Mar - Tue, 17 Mar
British Airways Logo
17:10 - 16:55
BHX
-
SEA
31h 45m2 stops
British Airways Logo
18:50 - 19:10
SEA
-
BHX
16h 20m2 stops
£578British Airways
Sun, 25 Jan - Mon, 9 Feb
British Airways Logo
17:10 - 16:55
BHX
-
SEA
31h 45m2 stops
British Airways Logo
21:05 - 16:25
SEA
-
BHX
12h 20m1 stop
£582British Airways
Thu, 5 Mar - Mon, 9 Mar
Scandinavian Airlines Logo
19:10 - 22:20
BHX
-
SEA
35h 10m2 stops
Scandinavian Airlines Logo
07:20 - 18:30
SEA
-
BHX
28h 10m2 stops
£616Scandinavian Airlines
Thu, 5 Mar - Mon, 9 Mar
Scandinavian Airlines Logo
19:10 - 22:20
BHX
-
SEA
35h 10m2 stops
Scandinavian Airlines Logo
07:20 - 18:30
SEA
-
BHX
28h 10m2 stops
£618Scandinavian Airlines
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
08:35 - 16:55
BHX
-
SEA
16h 20m2 stops
British Airways Logo
13:35 - 18:30
SEA
-
BHX
20h 55m2 stops
£619British Airways
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
06:15 - 11:35
BHX
-
SEA
13h 20m1 stop
Multiple Airlines Logo
14:40 - 17:50
SEA
-
BHX
20h 10m1 stop
£634Multiple Airlines
Wed, 4 Mar - Tue, 17 Mar

British Airways flights from Birmingham to Seattle

Our best British Airways deals on Birmingham to Seattle flight tickets
British Airways
4 Mar
BHX11:40Birmingham
14h 40m
1 stop
SEA18:20Seattle/Tacoma Intl
17 Mar
SEA19:50Seattle/Tacoma Intl
29h 15m
2 stops
BHX08:05Birmingham
£538
Find similar
British Airways
4 Mar
BHX09:10Birmingham
17h 10m
1 stop
SEA18:20Seattle/Tacoma Intl
8 Mar
SEA19:50Seattle/Tacoma Intl
16h 20m
2 stops
BHX19:10Birmingham
£551
Find similar
British Airways
4 Mar
BHX08:35Birmingham
16h 20m
2 stops
SEA16:55Seattle/Tacoma Intl
17 Mar
SEA14:25Seattle/Tacoma Intl
19h 15m
2 stops
BHX16:40Birmingham
£577
Find similar

Scandinavian Airlines flights from Birmingham to Seattle

Our best Scandinavian Airlines deals on Birmingham to Seattle flight tickets
Scandinavian Airlines
5 Mar
BHX19:10Birmingham
35h 10m
2 stops
SEA22:20Seattle/Tacoma Intl
9 Mar
SEA07:20Seattle/Tacoma Intl
28h 10m
2 stops
BHX18:30Birmingham
£616
Find similar
Scandinavian Airlines
5 Mar
BHX19:10Birmingham
35h 10m
2 stops
SEA22:20Seattle/Tacoma Intl
9 Mar
SEA07:20Seattle/Tacoma Intl
28h 10m
2 stops
BHX18:30Birmingham
£618
Find similar

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 18 December 2025.
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

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 4/3

06:00-18:03

2 stops20h 03m

Seattle/Tacoma Intl

Sun 8/3

07:00-12:35

2 stops22h 35m

£502

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 4/3

11:40-18:20

1 stop14h 40m

Seattle/Tacoma Intl

Tue 17/3

19:50-08:05

2 stops29h 15m

£538

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 4/3

09:10-18:20

1 stop17h 10m

Seattle/Tacoma Intl

Sun 8/3

19:50-19:10

2 stops16h 20m

£551

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 4/3

08:35-16:55

2 stops16h 20m

Seattle/Tacoma Intl

Tue 17/3

14:25-16:40

2 stops19h 15m

£577

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 25/1

17:10-16:55

2 stops31h 45m

Seattle/Tacoma Intl

Mon 9/2

18:50-19:10

2 stops16h 20m

£578

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 5/3

17:10-16:55

2 stops31h 45m

Seattle/Tacoma Intl

Mon 9/3

21:05-16:25

1 stop12h 20m

£582

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 5/3

19:10-22:20

2 stops35h 10m

Seattle/Tacoma Intl

Mon 9/3

07:20-18:30

2 stops28h 10m

£616

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 5/3

19:10-22:20

2 stops35h 10m

Seattle/Tacoma Intl

Mon 9/3

07:20-18:30

2 stops28h 10m

£618

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 30/1

08:35-16:55

2 stops16h 20m

Seattle/Tacoma Intl

Fri 6/2

13:35-18:30

2 stops20h 55m

£619

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 4/3

06:15-11:35

1 stop13h 20m

Seattle/Tacoma Intl

Tue 17/3

14:40-17:50

1 stop20h 10m

£634

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 cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Birmingham is in March. Flight prices, which tend to average around £440, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Seattle, with average flight prices from Birmingham averaging around £521.

What is the cheapest day to depart on your flight to Seattle?

According to our data, Wednesday is the cheapest day to fly to Seattle from Birmingham. The lowest ticket price found for a Wednesday departure recently was £600. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Saturday is £797.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the evening. momondo users have found flights departing from Birmingham to Seattle in the evening for as low as £667. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at midday are often more expensive, with an average ticket price of £755.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Birmingham when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £633 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Birmingham for as low as £561 on momondo.

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 00m

Direct flights

None
The fastest flight from Birmingham to Seattle takes 13h 00m
There are no direct flights from Birmingham to Seattle. There are no popular flight routes from Birmingham to Seattle.
Search flight deals

  • 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 00m.

  • 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 £364Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
LufthansaPriceFrom £393Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights
Air FrancePriceFrom £490Free CancellationRating
7.4
1,507 reviews
Search Air France flights
KLMPriceFrom £496Free CancellationRating
7.7
1,428 reviews
Search KLM flights
Virgin AtlanticPriceFrom £523Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £546Free CancellationRating
7.2
1,395 reviews
Search Aer Lingus flights
DeltaPriceFrom £594Free CancellationRating
7.9
8,005 reviews
Search Delta flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Fife
Renton
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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