What is the cheapest airline that flies from Birmingham to Seattle/Tacoma Intl?

Aer Lingus and United Airlines are the most popular carriers operating from Birmingham to Seattle/Tacoma Intl

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 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$479 Cheap Flights from Birmingham to Seattle in 2025/26

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Find the cheapest flights from Birmingham to Seattle

Round-trip

One-way

Cheap round-trip flights

6:55 am - 2:16 pmBHX-SEA

15h 21m2 stops

5:30 am - 7:45 pmSEA-BHX

30h 15m3 stops

$669

Find Deal

Sun, Oct 12 - Sun, Oct 19

6:55 am - 2:16 pmBHX-SEA

15h 21m2 stops

2:20 pm - 8:35 pmSEA-BHX

22h 15m2 stops

$728

Find Deal

Sun, Oct 12 - Sun, Oct 19

1:30 pm - 10:22 pmBHX-SEA

39h 52m2 stops

5:00 pm - 8:10 pmSEA-BHX

43h 10m2 stops

$742Virgin Atlantic

Find Deal

Tue, Oct 28 - Tue, Nov 4

5:40 pm - 12:45 pmBHX-SEA

26h 05m1 stop

1:40 pm - 9:15 pmSEA-BHX

23h 35m1 stop

$754

Find Deal

Tue, Oct 28 - Tue, Nov 4

6:15 am - 12:45 pmBHX-SEA

13h 30m1 stop

1:40 pm - 3:20 pmSEA-BHX

17h 40m1 stop

$778

Find Deal

Thu, Oct 30 - Thu, Nov 6

6:15 am - 6:23 pmBHX-SEA

19h 08m2 stops

9:37 am - 3:20 pmSEA-BHX

21h 43m2 stops

$784Delta

Find Deal

Thu, Oct 30 - Thu, Nov 6

5:55 am - 11:55 amBHX-SEA

14h 00m1 stop

1:57 pm - 12:15 pmSEA-BHX

38h 18m2 stops

$824Lufthansa

Find Deal

Sun, Oct 12 - Sun, Oct 19

6:00 am - 1:10 pmBHX-SEA

14h 10m1 stop

2:00 pm - 12:35 pmSEA-BHX

14h 35m1 stop

$853United Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

6:00 am - 8:51 pmBHX-SEA

21h 51m2 stops

7:00 am - 12:35 pmSEA-BHX

21h 35m2 stops

$859United Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

1:30 pm - 6:31 pmBHX-SEA

37h 01m2 stops

11:02 pm - 12:50 pmSEA-BHX

29h 48m2 stops

$1,130Delta

Find Deal

Tue, Dec 23 - Sun, Jan 4

Aer Lingus flights from Birmingham to Seattle

Our best Aer Lingus deals on Birmingham to Seattle flight tickets

Aer Lingus

Oct 12

BHX9:10 pmBirmingham

35h 17m

2 stops

SEA12:27 amSeattle/Tacoma Intl

Oct 18

SEA12:34 amSeattle/Tacoma Intl

23h 06m

2 stops

BHX7:40 amBirmingham

$1,092

Find similar

Aer Lingus

Oct 12

BHX7:35 pmBirmingham

30h 15m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Oct 18

SEA12:34 amSeattle/Tacoma Intl

23h 06m

2 stops

BHX7:40 amBirmingham

$1,148

Find similar

Delta flights from Birmingham to Seattle

Our best Delta deals on Birmingham to Seattle flight tickets

Delta

Oct 30

BHX6:15 amBirmingham

19h 08m

2 stops

SEA6:23 pmSeattle/Tacoma Intl

Nov 6

SEA9:37 amSeattle/Tacoma Intl

21h 43m

2 stops

BHX3:20 pmBirmingham

$784

Find similar

Delta

Dec 23

BHX1:30 pmBirmingham

37h 01m

2 stops

SEA6:31 pmSeattle/Tacoma Intl

Jan 4

SEA11:02 pmSeattle/Tacoma Intl

29h 48m

2 stops

BHX12:50 pmBirmingham

$1,130

Find similar

Delta

Dec 23

BHX1:30 pmBirmingham

30h 20m

1 stop

SEA11:50 amSeattle/Tacoma Intl

Jan 4

SEA2:10 pmSeattle/Tacoma Intl

17h 10m

1 stop

BHX3:20 pmBirmingham

$1,157

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 10/12

6:55 am-2:16 pm

2 stops15h 21m

Seattle/Tacoma Intl

Sun 10/19

5:30 am-7:45 pm

3 stops30h 15m

$669

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 10/12

6:55 am-2:16 pm

2 stops15h 21m

Seattle/Tacoma Intl

Sun 10/19

2:20 pm-8:35 pm

2 stops22h 15m

$728

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 10/28

1:30 pm-10:22 pm

2 stops39h 52m

Seattle/Tacoma Intl

Tue 11/4

5:00 pm-8:10 pm

2 stops43h 10m

$742

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 10/28

5:40 pm-12:45 pm

1 stop26h 05m

Seattle/Tacoma Intl

Tue 11/4

1:40 pm-9:15 pm

1 stop23h 35m

$754

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 10/30

6:15 am-12:45 pm

1 stop13h 30m

Seattle/Tacoma Intl

Thu 11/6

1:40 pm-3:20 pm

1 stop17h 40m

$778

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 10/30

6:15 am-6:23 pm

2 stops19h 08m

Seattle/Tacoma Intl

Thu 11/6

9:37 am-3:20 pm

2 stops21h 43m

$784

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 10/12

5:55 am-11:55 am

1 stop14h 00m

Seattle/Tacoma Intl

Sun 10/19

1:57 pm-12:15 pm

2 stops38h 18m

$824

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 10/28

6:00 am-1:10 pm

1 stop14h 10m

Seattle/Tacoma Intl

Tue 11/4

2:00 pm-12:35 pm

1 stop14h 35m

$853

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 10/28

6:00 am-8:51 pm

2 stops21h 51m

Seattle/Tacoma Intl

Tue 11/4

7:00 am-12:35 pm

2 stops21h 35m

$859

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 12/23

1:30 pm-6:31 pm

2 stops37h 01m

Seattle/Tacoma Intl

Sun 1/4

11:02 pm-12:50 pm

2 stops29h 48m

$1,130

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Birmingham to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $788. If you don’t want to visit Seattle in March, then you should wait until May to fly from Birmingham, when ticket prices are also cheap, with an average price of $807.

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

On average, the least expensive day to fly to Seattle from Birmingham is on a Friday. momondo users have found tickets for Friday departures for as low as $1,038. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Birmingham because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,233.

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 $900 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Birmingham for as low as $682 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 round-trip 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

Direct flights	None

There are no direct flights from Birmingham to Seattle. There are no popular flight routes from Birmingham to Seattle.

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How far is Birmingham to Seattle/Tacoma Intl by plane?
There are 4681.3 mi between Birmingham and Seattle/Tacoma Intl. 13h 30m is a normal flight duration for this route.
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 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

Westport

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Birmingham to Seattle. momondo saves you time and could save you money on your trip.

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

All flight searches from Birmingham to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Seattle from Birmingham. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Seattle from Birmingham are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.