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

Aer Lingus is the most popular carrier 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 many operators does momondo search for flights from Birmingham Airport to Seattle/Tacoma Intl Airport?

As of August 2026, there is 1 operator available to choose from 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 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.

$434 Cheap Flights from Birmingham to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Birmingham to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 1:45 pm

BHX

SEA

26h 30m

1 stop

3:55 pm - 1:40 pm

SEA

BHX

13h 45m

1 stop

$735Scandinavian Airlines

Thu, Sep 3 - Sat, Sep 19

7:15 pm - 1:45 pm

BHX

SEA

26h 30m

1 stop

3:55 pm - 1:40 pm

SEA

BHX

13h 45m

1 stop

$745Scandinavian Airlines

Thu, Sep 3 - Sat, Sep 19

12:20 pm - 5:10 pm

BHX

SEA

12h 50m

1 stop

7:10 pm - 4:05 pm

SEA

BHX

12h 55m

1 stop

$759Aer Lingus

Sat, Sep 5 - Thu, Sep 17

7:15 pm - 1:45 pm

BHX

SEA

26h 30m

1 stop

3:55 pm - 1:30 pm

SEA

BHX

13h 35m

1 stop

$780Scandinavian Airlines

Fri, Sep 11 - Fri, Sep 18

12:20 pm - 5:10 pm

BHX

SEA

12h 50m

1 stop

7:10 pm - 7:55 pm

SEA

BHX

16h 45m

1 stop

$798Aer Lingus

Sat, Sep 5 - Thu, Sep 17

7:15 pm - 1:45 pm

BHX

SEA

26h 30m

1 stop

3:55 pm - 6:35 pm

SEA

BHX

18h 40m

1 stop

$805Scandinavian Airlines

Fri, Sep 11 - Tue, Sep 29

8:10 am - 5:10 pm

BHX

SEA

17h 00m

1 stop

7:10 pm - 7:55 pm

SEA

BHX

16h 45m

1 stop

$818Aer Lingus

Fri, Sep 4 - Thu, Sep 17

6:00 am - 8:40 pm

BHX

SEA

22h 40m

2 stops

3:40 pm - 12:55 am

SEA

BHX

25h 15m

2 stops

$818Multiple Airlines

Fri, Aug 28 - Fri, Sep 4

7:15 pm - 1:45 pm

BHX

SEA

26h 30m

1 stop

12:35 pm - 1:30 pm

SEA

BHX

40h 55m

2 stops

$838Scandinavian Airlines

Fri, Sep 4 - Thu, Sep 17

8:10 am - 5:10 pm

BHX

SEA

17h 00m

1 stop

7:10 pm - 7:55 pm

SEA

BHX

16h 45m

1 stop

$840Aer Lingus

Sat, Sep 5 - Thu, Sep 17

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KLM flights from Birmingham to Seattle

Our best KLM deals on Birmingham to Seattle flight tickets

KLM

Nov 3

BHX5:40 pmBirmingham

26h 07m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Nov 26

SEA11:45 amSeattle/Tacoma Intl

17h 05m

2 stops

BHX12:50 pmBirmingham

$851

KLM

Nov 6

BHX6:00 amBirmingham

13h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Nov 16

SEA8:25 amSeattle/Tacoma Intl

16h 10m

2 stops

BHX8:35 amBirmingham

$855

KLM

Nov 6

BHX6:00 amBirmingham

16h 12m

2 stops

SEA2:12 pmSeattle/Tacoma Intl

Nov 16

SEA8:25 amSeattle/Tacoma Intl

16h 10m

2 stops

BHX8:35 amBirmingham

$865

Scandinavian Airlines flights from Birmingham to Seattle

Our best Scandinavian Airlines deals on Birmingham to Seattle flight tickets

Scandinavian Airlines

Sep 3

BHX7:15 pmBirmingham

26h 30m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Sep 19

SEA3:55 pmSeattle/Tacoma Intl

13h 45m

1 stop

BHX1:40 pmBirmingham

$735

Scandinavian Airlines

Sep 3

BHX7:15 pmBirmingham

26h 30m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Sep 19

SEA3:55 pmSeattle/Tacoma Intl

13h 45m

1 stop

BHX1:40 pmBirmingham

$745

Scandinavian Airlines

Sep 11

BHX7:15 pmBirmingham

26h 30m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Sep 18

SEA3:55 pmSeattle/Tacoma Intl

13h 35m

1 stop

BHX1:30 pmBirmingham

$780

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 9/3

7:15 pm-1:45 pm

1 stop26h 30m

Seattle/Tacoma Intl

Sat 9/19

3:55 pm-1:40 pm

1 stop13h 45m

$735

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 9/3

7:15 pm-1:45 pm

1 stop26h 30m

Seattle/Tacoma Intl

Sat 9/19

3:55 pm-1:40 pm

1 stop13h 45m

$745

Quickest round-trip

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 9/5

12:20 pm-5:10 pm

1 stop12h 50m

Seattle/Tacoma Intl

Thu 9/17

7:10 pm-4:05 pm

1 stop12h 55m

$759

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 9/11

7:15 pm-1:45 pm

1 stop26h 30m

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-1:30 pm

1 stop13h 35m

$780

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 9/5

12:20 pm-5:10 pm

1 stop12h 50m

Seattle/Tacoma Intl

Thu 9/17

7:10 pm-7:55 pm

1 stop16h 45m

$798

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 9/11

7:15 pm-1:45 pm

1 stop26h 30m

Seattle/Tacoma Intl

Tue 9/29

3:55 pm-6:35 pm

1 stop18h 40m

$805

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 9/4

8:10 am-5:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/17

7:10 pm-7:55 pm

1 stop16h 45m

$818

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 8/28

6:00 am-8:40 pm

2 stops22h 40m

Seattle/Tacoma Intl

Fri 9/4

3:40 pm-12:55 am

2 stops25h 15m

$818

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Fri 9/4

7:15 pm-1:45 pm

1 stop26h 30m

Seattle/Tacoma Intl

Thu 9/17

12:35 pm-1:30 pm

2 stops40h 55m

$838

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sat 9/5

8:10 am-5:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/17

7:10 pm-7:55 pm

1 stop16h 45m

$840

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $973 to $1,308.
The lowest price recently found on this route was $735.

What is the cheapest month to fly to Seattle?

In general, April 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 $508. If you don’t want to visit Seattle in April, then you should wait until March to fly from Birmingham, when ticket prices are also cheap, with an average price of $588.

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

Fastest flight time	13h 47m
Direct flights	None

The fastest flight from Birmingham to Seattle takes 13h 47m

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?
There are 4681.3 mi between Birmingham and Seattle/Tacoma Intl. 13h 47m 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 many operators does momondo search for flights from Birmingham Airport to Seattle/Tacoma Intl Airport?
As of August 2026, there is 1 operator available to choose from 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 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.
What is the most popular airline from Birmingham to Seattle?
momondo data reveals that the most frequently booked airline on the route from Birmingham to Seattle is Air France, representing 100% of all bookings.

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
Air France	PriceFrom $780	Free Cancellation	Rating 7.5 1,633 reviews		Search Air France flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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.