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$158+ Cheap flights from Seattle to Birmingham, AL (SEA - BHM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BHM
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Birmingham are usually found in January or February, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Birmingham

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Birmingham (BHM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$343
(American Airlines)

One-way from

$158
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$547
From Seattle/Tacoma Intl to Birmingham
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One-way flight from Seattle/Tacoma Intl to Birmingham
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Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Seattle to Birmingham

Cheapest flights from Seattle to Birmingham
Explore the most affordable flight options available from Seattle to Birmingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:46 amSEA - BHM
1 stop7h 32mAmerican Airlines
Mon 9/111:11 amBHM - SEA
1 stop9h 48mAmerican Airlines
Deal found 7/2$343
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:10 pmSEA - BHM
1 stop10h 15mSouthwest
Wed 9/101:45 pmBHM - SEA
2 stops9h 10mSouthwest
Deal found 7/1$348
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:40 amSEA - BHM
1 stop9h 24mDelta
Fri 8/84:15 pmBHM - SEA
1 stop9h 40mDelta
Deal found 7/2$380
This Mytrip deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:30 pmSEA - BHM
2 stops17h 52mSpirit Airlines
Thu 8/74:37 pmBHM - SEA
3 stops25h 48mSpirit Airlines
Deal found 7/1$447
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:59 pmSEA - BHM
1 stop7h 25mUnited Airlines
Mon 11/249:10 amBHM - SEA
2 stops16h 05mUnited Airlines
Deal found 6/30$485
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:34 pmSEA - BHM
2 stops18h 37mMultiple Airlines
Mon 9/14:06 pmBHM - SEA
3 stops27h 22mMultiple Airlines
Deal found 7/2$498

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Birmingham 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, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
Use the filters below to find and compare flights from Seattle to Birmingham that are best for you.

Fly from

Seattle

Fly to

Birmingham

Route

Depart

Return

Price

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Wed 8/27

12:46 am-10:18 am

1 stop7h 32m

Birmingham

Mon 9/1

11:11 am-6:59 pm

1 stop9h 48m

$343

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Tue 9/2

9:10 pm-9:25 am

1 stop10h 15m

Birmingham

Wed 9/10

1:45 pm-8:55 pm

2 stops9h 10m

$348

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Tue 8/5

7:40 am-7:04 pm

1 stop9h 24m

Birmingham

Fri 8/8

4:15 pm-11:55 pm

1 stop9h 40m

$380

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Thu 7/31

5:30 pm-1:22 pm

2 stops17h 52m

Birmingham

Thu 8/7

4:37 pm-4:25 pm

3 stops25h 48m

$447

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Fri 11/21

11:59 pm-9:24 am

1 stop7h 25m

Birmingham

Mon 11/24

9:10 am-11:15 pm

2 stops16h 05m

$485

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Thu 8/28

6:34 pm-3:11 pm

2 stops18h 37m

Birmingham

Mon 9/1

4:06 pm-5:28 pm

3 stops27h 22m

$498

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Wed 7/23

5:30 pm-1:22 pm

2 stops17h 52m

$158

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Tue 8/26

6:00 am-4:47 pm

1 stop8h 47m

$172

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Tue 8/26

5:35 am-6:50 pm

2 stops11h 15m

$177

SeattleBirmingham

SEA - BHM

SEABHM

Seattle/Tacoma Intl

Fri 8/15

11:58 pm-9:43 am

1 stop7h 45m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 12 results
1
2

Best time to book a flight from Seattle to Birmingham

Have a flexible travel schedule? Discover the best time to fly to Birmingham from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Birmingham

How far ahead should I book a flight from Seattle to Birmingham, Alabama?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Birmingham. Price data was last updated on June 27, 2025.

The price you pay for your flight from Seattle to Birmingham, Alabama may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Birmingham, Alabama?

Currently, October is the cheapest month in which you can book a flight from Seattle to Birmingham, Alabama (average of $376). Flying from Seattle to Birmingham, Alabama in March is currently the most expensive (average of $457). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to BHM?

Find hourly flight availability from Seattle to Birmingham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

One of the essential ways to save on airfare from Seattle to Birmingham, Alabama is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 47% on airfare.

Reviews of airlines servicing Birmingham

Get insights into the airlines that provide service to Birmingham. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Birmingham. Reviews last updated July 2, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Seattle to Birmingham. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,983 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,103 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Birmingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Birmingham, Alabama round-trip?

    Currently priced at $343, American Airlines will fly you from Seattle to Birmingham, Alabama and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $348 and $380, respectively. You may be able to fly from Seattle to Birmingham, Alabama for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Birmingham, Alabama one-way?

    $158 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $172 and $177, respectively.

  • Can I find deals for flights from Seattle to Birmingham that include hotel bookings?

    Yes. In addition to deals on Seattle to Birmingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Birmingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Birmingham.

  • Can I find deals for business class flights from Seattle to Birmingham?

    Yes. Cheapflights offers flight deals from Seattle to Birmingham by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Birmingham, Alabama?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Birmingham, Alabama (average of $376). Flying from Seattle to Birmingham, Alabama in March is currently the most expensive (average of $457). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Seattle to Birmingham

Discover the top 5 airlines that operate flights from Seattle to Birmingham. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$319Average$621FlexibilityNo cancel feeOn-time75%
DeltaCheapest$326Average$588FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$483FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$366Average$545FlexibilityNo cancel feeOn-time63%

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