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Cheap flights from Birmingham to Seattle from £395

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 3/4. 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
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:15 - 22:17
BHX
-
SEA
35h 02m
2 stops
Scandinavian Airlines Logo
15:55 - 13:40
SEA
-
BHX
13h 45m
1 stop
£545Scandinavian Airlines
Tue, 1 Sep - Sat, 19 Sep
Multiple Airlines Logo
05:55 - 12:20
BHX
-
SEA
14h 25m
1 stop
Multiple Airlines Logo
19:00 - 11:25
SEA
-
BHX
56h 25m
2 stops
£641Multiple Airlines
Tue, 5 May - Tue, 12 May
Scandinavian Airlines Logo
19:15 - 22:25
BHX
-
SEA
35h 10m
2 stops
Scandinavian Airlines Logo
07:20 - 13:40
SEA
-
BHX
22h 20m
2 stops
£670Scandinavian Airlines
Tue, 1 Sep - Sat, 19 Sep
SWISS Logo
08:50 - 22:47
BHX
-
SEA
21h 57m
2 stops
SWISS Logo
10:30 - 18:00
SEA
-
BHX
23h 30m
2 stops
£681SWISS
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
08:30 - 18:30
BHX
-
SEA
42h 00m
3 stops
Multiple Airlines Logo
13:30 - 22:10
SEA
-
BHX
24h 40m
3 stops
£688Multiple Airlines
Tue, 5 May - Tue, 12 May
Lufthansa Logo
05:55 - 12:20
BHX
-
SEA
14h 25m
1 stop
Lufthansa Logo
14:10 - 17:35
SEA
-
BHX
19h 25m
1 stop
£693Lufthansa
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
08:30 - 18:45
BHX
-
SEA
18h 15m
2 stops
Multiple Airlines Logo
19:10 - 14:45
SEA
-
BHX
11h 35m
1 stop
£695Multiple Airlines
Sun, 3 May - Sun, 10 May
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
£702Aer Lingus
Mon, 14 Sep - Mon, 21 Sep
Scandinavian Airlines Logo
19:15 - 13:45
BHX
-
SEA
26h 30m
1 stop
Scandinavian Airlines Logo
11:10 - 18:35
SEA
-
BHX
23h 25m
2 stops
£702Scandinavian Airlines
Fri, 18 Sep - Mon, 21 Sep
Multiple Airlines Logo
08:30 - 18:45
BHX
-
SEA
18h 15m
2 stops
Multiple Airlines Logo
13:30 - 22:10
SEA
-
BHX
24h 40m
3 stops
£707Multiple Airlines
Tue, 5 May - Tue, 12 May

Aer Lingus flights from Birmingham to Seattle

Our best Aer Lingus deals on Birmingham to Seattle flight tickets
Aer Lingus
14 Sept
BHX08:10Birmingham
17h 00m
1 stop
SEA17:10Seattle/Tacoma Intl
21 Sept
SEA19:10Seattle/Tacoma Intl
16h 45m
1 stop
BHX19:55Birmingham
£702
Aer Lingus
24 Jun
BHX08:10Birmingham
17h 00m
1 stop
SEA17:10Seattle/Tacoma Intl
15 Jul
SEA19:10Seattle/Tacoma Intl
15h 00m
1 stop
BHX18:10Birmingham
£737
Aer Lingus
3 May
BHX12:20Birmingham
12h 50m
1 stop
SEA17:10Seattle/Tacoma Intl
10 May
SEA19:10Seattle/Tacoma Intl
12h 55m
1 stop
BHX16:05Birmingham
£751

United Airlines flights from Birmingham to Seattle

Our best United Airlines deals on Birmingham to Seattle flight tickets
United Airlines
14 Sept
BHX05:55Birmingham
14h 00m
1 stop
SEA11:55Seattle/Tacoma Intl
21 Sept
SEA22:47Seattle/Tacoma Intl
27h 03m
2 stops
BHX09:50Birmingham
£715
United Airlines
14 Sept
BHX10:20Birmingham
37h 55m
2 stops
SEA16:15Seattle/Tacoma Intl
21 Sept
SEA07:06Seattle/Tacoma Intl
26h 19m
2 stops
BHX17:25Birmingham
£720
United Airlines
3 May
BHX10:35Birmingham
60h 01m
2 stops
SEA14:36Seattle/Tacoma Intl
10 May
SEA22:53Seattle/Tacoma Intl
26h 57m
2 stops
BHX09:50Birmingham
£735

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 23 March 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

Tue 1/9

19:15-22:17

2 stops35h 02m

Seattle/Tacoma Intl

Sat 19/9

15:55-13:40

1 stop13h 45m

£545

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

05:55-12:20

1 stop14h 25m

Seattle/Tacoma Intl

Tue 12/5

19:00-11:25

2 stops56h 25m

£641

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 1/9

19:15-22:25

2 stops35h 10m

Seattle/Tacoma Intl

Sat 19/9

07:20-13:40

2 stops22h 20m

£670

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

08:50-22:47

2 stops21h 57m

Seattle/Tacoma Intl

Tue 12/5

10:30-18:00

2 stops23h 30m

£681

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

08:30-18:30

3 stops42h 00m

Seattle/Tacoma Intl

Tue 12/5

13:30-22:10

3 stops24h 40m

£688

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

05:55-12:20

1 stop14h 25m

Seattle/Tacoma Intl

Tue 12/5

14:10-17:35

1 stop19h 25m

£693
Fastest return journey

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 3/5

08:30-18:45

2 stops18h 15m

Seattle/Tacoma Intl

Sun 10/5

19:10-14:45

1 stop11h 35m

£695

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 14/9

08:10-17:10

1 stop17h 00m

Seattle/Tacoma Intl

Mon 21/9

19:10-19:55

1 stop16h 45m

£702

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 18/9

19:15-13:45

1 stop26h 30m

Seattle/Tacoma Intl

Mon 21/9

11:10-18:35

2 stops23h 25m

£702

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/5

08:30-18:45

2 stops18h 15m

Seattle/Tacoma Intl

Tue 12/5

13:30-22:10

3 stops24h 40m

£707

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 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 £441, 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 £481.

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 £631 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 £489 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 50m

Direct flights

None
The fastest flight from Birmingham to Seattle takes 13h 50m
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 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 £365Free CancellationRating
6.7
7,813 reviews
Search British Airways flights
KLMPriceFrom £376Free CancellationRating
7.8
1,477 reviews
Search KLM flights
LufthansaPriceFrom £393Free CancellationRating
6.8
7,860 reviews
Search Lufthansa flights
United AirlinesPriceFrom £492Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
Aer LingusPriceFrom £547Free CancellationRating
7.2
1,482 reviews
Search Aer Lingus flights
Air FrancePriceFrom £550Free CancellationRating
7.4
1,547 reviews
Search Air France flights
Virgin AtlanticPriceFrom £580Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
DeltaPriceFrom £596Free CancellationRating
7.9
8,317 reviews
Search Delta flights

Travelling to a place near Seattle?

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

An easier way to manage your Seattle trip

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