Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Birmingham, Alabama to Seattle from $144

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, Alabama to Seattle departing on 9/23. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Birmingham, Alabama to Seattle (BHM-SEA)

Cheap round-trip flights

American Airlines Logo
2:00 pm - 10:16 pmBHM-SEA
10h 16m1 stop
American Airlines Logo
11:24 pm - 9:00 amSEA-BHM
7h 36m1 stop
$297American Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
Delta Logo
4:18 pm - 11:54 pmBHM-SEA
9h 36m1 stop
Delta Logo
11:15 pm - 9:47 amSEA-BHM
8h 32m1 stop
$307Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
Southwest Logo
3:55 pm - 10:05 pmBHM-SEA
8h 10m1 stop
Southwest Logo
8:35 am - 9:45 pmSEA-BHM
11h 10m2 stops
$312Southwest
Find Deal
Sat, Oct 25 - Wed, Oct 29
Southwest Logo
7:40 am - 5:30 pmBHM-SEA
11h 50m2 stops
Southwest Logo
8:35 am - 9:45 pmSEA-BHM
11h 10m2 stops
$317Southwest
Find Deal
Sat, Oct 25 - Wed, Oct 29
American Airlines Logo
5:01 am - 1:06 pmBHM-SEA
10h 05m1 stop
American Airlines Logo
8:30 am - 5:08 pmSEA-BHM
6h 38m1 stop
$327American Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
Southwest Logo
8:10 am - 4:50 pmBHM-SEA
10h 40m2 stops
Southwest Logo
7:05 am - 10:10 pmSEA-BHM
13h 05m2 stops
$332Southwest
Find Deal
Sat, Dec 13 - Wed, Dec 17
United Airlines Logo
3:35 pm - 10:59 pmBHM-SEA
9h 24m1 stop
United Airlines Logo
6:35 am - 8:12 pmSEA-BHM
11h 37m2 stops
$353United Airlines
Find Deal
Fri, Sep 19 - Sat, Sep 27
Delta Logo
5:57 pm - 11:54 pmBHM-SEA
7h 57m1 stop
Delta Logo
11:10 pm - 7:59 amSEA-BHM
6h 49m1 stop
$362Delta
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
2:33 pm - 10:59 pmBHM-SEA
10h 26m2 stops
United Airlines Logo
5:07 am - 4:05 pmSEA-BHM
8h 58m2 stops
$370United Airlines
Find Deal
Sat, Feb 21 - Sat, Feb 28
Alaska Airlines Logo
2:10 pm - 10:00 pmBHM-SEA
9h 50m1 stop
Alaska Airlines Logo
12:59 am - 10:27 amSEA-BHM
7h 28m1 stop
$459Alaska Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21

Delta flights from Birmingham, Alabama to Seattle

Our best Delta deals on Birmingham, Alabama to Seattle flight tickets
Delta
Oct 4
BHM4:18 pmBirmingham
9h 36m
1 stop
SEA11:54 pmSeattle/Tacoma Intl
Oct 11
SEA11:15 pmSeattle/Tacoma Intl
8h 32m
1 stop
BHM9:47 amBirmingham
$307
Find similar
Delta
Sep 3
BHM5:30 amBirmingham
6h 57m
1 stop
SEA10:27 amSeattle/Tacoma Intl
Sep 6
SEA6:00 amSeattle/Tacoma Intl
9h 51m
1 stop
BHM5:51 pmBirmingham
$347
Find similar
Delta
Oct 23
BHM5:57 pmBirmingham
7h 57m
1 stop
SEA11:54 pmSeattle/Tacoma Intl
Oct 26
SEA11:10 pmSeattle/Tacoma Intl
6h 49m
1 stop
BHM7:59 amBirmingham
$362
Find similar

United Airlines flights from Birmingham, Alabama to Seattle

Our best United Airlines deals on Birmingham, Alabama to Seattle flight tickets
United Airlines
Sep 19
BHM3:35 pmBirmingham
9h 24m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
Sep 27
SEA6:35 amSeattle/Tacoma Intl
11h 37m
2 stops
BHM8:12 pmBirmingham
$353
Find similar
United Airlines
Feb 21
BHM2:33 pmBirmingham
10h 26m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
Feb 28
SEA5:07 amSeattle/Tacoma Intl
8h 58m
2 stops
BHM4:05 pmBirmingham
$370
Find similar
United Airlines
Dec 16
BHM9:15 amBirmingham
11h 10m
2 stops
SEA6:25 pmSeattle/Tacoma Intl
Jan 2
SEA11:59 pmSeattle/Tacoma Intl
7h 23m
1 stop
BHM9:22 amBirmingham
$372
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Birmingham, Alabama 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 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Birmingham, Alabama to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 10/11

2:00 pm-10:16 pm

1 stop10h 16m

Seattle/Tacoma Intl

Tue 10/14

11:24 pm-9:00 am

1 stop7h 36m

$297

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 10/4

4:18 pm-11:54 pm

1 stop9h 36m

Seattle/Tacoma Intl

Sat 10/11

11:15 pm-9:47 am

1 stop8h 32m

$307

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 10/25

3:55 pm-10:05 pm

1 stop8h 10m

Seattle/Tacoma Intl

Wed 10/29

8:35 am-9:45 pm

2 stops11h 10m

$312

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 10/25

7:40 am-5:30 pm

2 stops11h 50m

Seattle/Tacoma Intl

Wed 10/29

8:35 am-9:45 pm

2 stops11h 10m

$317

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 12/3

5:01 am-1:06 pm

1 stop10h 05m

Seattle/Tacoma Intl

Sat 12/6

8:30 am-5:08 pm

1 stop6h 38m

$327

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 12/13

8:10 am-4:50 pm

2 stops10h 40m

Seattle/Tacoma Intl

Wed 12/17

7:05 am-10:10 pm

2 stops13h 05m

$332

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Fri 9/19

3:35 pm-10:59 pm

1 stop9h 24m

Seattle/Tacoma Intl

Sat 9/27

6:35 am-8:12 pm

2 stops11h 37m

$353

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 10/23

5:57 pm-11:54 pm

1 stop7h 57m

Seattle/Tacoma Intl

Sun 10/26

11:10 pm-7:59 am

1 stop6h 49m

$362

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 2/21

2:33 pm-10:59 pm

2 stops10h 26m

Seattle/Tacoma Intl

Sat 2/28

5:07 am-4:05 pm

2 stops8h 58m

$370

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 9/18

2:10 pm-10:00 pm

1 stop9h 50m

Seattle/Tacoma Intl

Sun 9/21

12:59 am-10:27 am

1 stop7h 28m

$459

Flights are sorted by cheapest round-trip 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, Alabama 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?

In general, February is the cheapest month to fly from Birmingham, Alabama to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $386. If you don’t want to visit Seattle in February, then you should wait until April to fly from Birmingham, Alabama, when ticket prices are also cheap, with an average price of $407.

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

On average, the least expensive day to fly to Seattle from Birmingham, Alabama is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $474. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Birmingham, Alabama because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $660.

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

Flying to Seattle from Birmingham, Alabama in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $531 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $586. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Birmingham, Alabama when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $483 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Birmingham, Alabama for as low as $386 on momondo.

How have Birmingham, Alabama to Seattle flight prices changed over time?

As of August 2025, prices for Birmingham, Alabama to Seattle flights are approximately 46% cheaper when compared to flights at the same time last year.

When to book flights from Birmingham, Alabama to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Birmingham, Alabama to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Birmingham, Alabama to Seattle (BHM to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Birmingham, Alabama to Seattle

Direct flights

None
There are no direct flights from Birmingham, Alabama to Seattle. There are no popular flight routes from Birmingham, Alabama to Seattle.
Search flight deals

  • How far is Birmingham to Seattle/Tacoma Intl by plane?

    The straight-line distance from Birmingham to Seattle/Tacoma Intl is 2077.9 mi. Flights usually cover this in 7h 33m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

  • 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 travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Birmingham, Alabama to Seattle?

Best airlines flying from Birmingham, Alabama to Seattle

Compare and see reviews for airlines that fly from Birmingham, Alabama to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $336Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $344Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SouthwestPriceFrom $361Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $481Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Cle Elum
Tukwila
Kirkland
Centralia
Lakewood
Shoreline
Fife
Redmond
Westport

Why use momondo?

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

It is quick and easy to find Birmingham to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

Yes. momondo allows you to filter the results for Birmingham to Seattle flights to just show those with flexible booking policies.

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

Once all potential Birmingham to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Birmingham to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/2
Tue 9/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States