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$144+ Cheap flights from Birmingham, AL to Seattle (BHM - SEA)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SEA
Sep 10 — Sep 171
Wed 9/10
Wed 9/17
1 adult, Economy
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Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in February or April, booked 64 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Birmingham to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHM) to Seattle (SEA). 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 September 5, 2025.

Round-trip from

$287
(Delta)

One-way from

$144
(Delta)

Popular in

December

Cheapest in

February

Average price

$459
From Birmingham to Seattle/Tacoma Intl
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One-way flight from Birmingham to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 9% potential increase in price ($48 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 September 2025
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Find flight deals from Birmingham to Seattle

Cheapest flights from Birmingham to Seattle
Explore the most affordable flight options available from Birmingham to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2025.

This Delta deal was found by Cheapflights users on 9/2. 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 9/305:23 amBHM - SEA
1 stop8h 41mDelta
Tue 10/711:15 pmSEA - BHM
1 stop8h 32mDelta
Deal found 9/2$287
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 11/17:24 amBHM - SEA
1 stop10h 26mDelta
Wed 11/56:00 amSEA - BHM
1 stop8h 52mDelta
Deal found 9/3$297
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 10/44:18 pmBHM - SEA
1 stop9h 36mDelta
Sat 10/1111:15 pmSEA - BHM
1 stop8h 32mDelta
Deal found 9/3$307
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:20 pmBHM - SEA
1 stop11h 10mSouthwest
Mon 11/105:55 pmSEA - BHM
2 stops14h 45mSouthwest
Deal found 9/2$323
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:02 pmBHM - SEA
1 stop8h 13mUnited Airlines
Tue 10/75:00 amSEA - BHM
2 stops9h 34mUnited Airlines
Deal found 9/2$328
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 9/255:35 pmBHM - SEA
1 stop8h 19mDelta
Tue 9/3011:11 pmSEA - BHM
1 stop8h 33mDelta
Deal found 9/2$333
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/411:43 amBHM - SEA
1 stop10h 26mAmerican Airlines
Fri 10/1012:34 amSEA - BHM
1 stop7h 37mAmerican Airlines
Deal found 9/2$337
This Southwest deal was found by Cheapflights users on 9/3. 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.
Sat 11/13:55 pmBHM - SEA
1 stop8h 10mSouthwest
Wed 11/59:35 amSEA - BHM
2 stops10h 35mSouthwest
Deal found 9/3$342
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/35:35 pmBHM - SEA
1 stop8h 19mDelta
Mon 10/611:15 pmSEA - BHM
1 stop8h 32mDelta
Deal found 9/3$343
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:02 pmBHM - SEA
1 stop8h 13mUnited Airlines
Wed 10/1511:10 pmSEA - BHM
1 stop8h 24mUnited Airlines
Deal found 9/1$347
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/33:04 pmBHM - SEA
2 stops10h 11mUnited Airlines
Mon 10/611:10 pmSEA - BHM
1 stop8h 24mUnited Airlines
Deal found 9/3$348
This Southwest deal was found by Cheapflights users on 9/1. 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 10/73:15 pmBHM - SEA
2 stops10h 30mSouthwest
Wed 10/158:35 amSEA - BHM
2 stops11h 10mSouthwest
Deal found 9/1$353

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated September 5, 2025.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Birmingham

Fly to

Seattle

Route

Depart

Return

Price

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 11/1

9:40 am-6:10 pm

1 stop10h 30m

Seattle/Tacoma Intl

Tue 11/4

12:41 am-9:56 am

1 stop7h 15m

$297

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 11/1

7:24 am-3:50 pm

1 stop10h 26m

Seattle/Tacoma Intl

Wed 11/5

6:00 am-4:52 pm

1 stop8h 52m

$297

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 10/4

3:31 pm-9:23 pm

1 stop7h 52m

Seattle/Tacoma Intl

Sat 10/11

8:49 pm-9:45 am

1 stop10h 56m

$307

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

Mon 10/13

2:46 pm-10:56 pm

1 stop10h 10m

Seattle/Tacoma Intl

Tue 10/14

12:34 am-10:06 am

1 stop7h 32m

$333

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Tue 2/24

1:42 pm-9:18 pm

1 stop9h 36m

Seattle/Tacoma Intl

Fri 2/27

10:51 pm-7:55 am

1 stop7h 04m

$333

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 11/1

3:55 pm-10:05 pm

1 stop8h 10m

Seattle/Tacoma Intl

Wed 11/5

9:35 am-10:10 pm

2 stops10h 35m

$342

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Fri 10/3

5:35 pm-11:54 pm

1 stop8h 19m

Seattle/Tacoma Intl

Mon 10/6

11:15 pm-9:47 am

1 stop8h 32m

$343

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Fri 10/3

12:16 pm-7:59 pm

1 stop9h 43m

Seattle/Tacoma Intl

Sun 10/5

12:30 am-9:08 am

1 stop6h 38m

$343

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Tue 3/3

5:40 am-11:56 am

1 stop8h 16m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 18 results
1
2

Best time to book a flight from Birmingham to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Birmingham 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 Birmingham to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Birmingham to Seattle. Price data was last updated on August 29, 2025.

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Birmingham, Alabama to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Birmingham, Alabama to Seattle (average of $238). Flying from Birmingham, Alabama to Seattle in June is currently the most expensive (average of $388). 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 BHM to SEA?

Find hourly flight availability from Birmingham to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2025.

It’s typically best to fly out from Birmingham, Alabama to Seattle in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Birmingham, Alabama to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Birmingham to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Birmingham, Alabama to Seattle flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 5, 2025.
Read through reviews of airlines operating flights from Birmingham to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,245 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,939 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

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

  • How long is the flight from Birmingham, Alabama to Seattle?

    Airlines like American Airlines and Delta fly from Birmingham, Alabama to Seattle in about 10h 26m. The time it takes to get you to your destination can typically vary by up to 04m. The distance from Birmingham, Alabama to Seattle is about 2074 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Birmingham, Alabama to Seattle round-trip from $336. Other airlines that can offer you cheap pricing are United Airlines, from $344, and Delta, from $344. You may be able to fly from Birmingham, Alabama to Seattle for 30% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Birmingham to Seattle 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 Birmingham, Alabama to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Birmingham, Alabama to Seattle (average of $238). Flying from Birmingham, Alabama to Seattle in June is currently the most expensive (average of $388). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Lynnwood
Leavenworth
Renton
Olympia
Kent
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Marysville
Federal Way

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Top 5 airlines flying from Birmingham to Seattle

Discover the top 5 airlines that operate flights from Birmingham to Seattle. 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 September 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$336Average$453FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$478FlexibilityNo cancel feeOn-time69%
DeltaCheapest$344Average$444FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$361Average$486FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$481Average$697FlexibilityNo cancel feeOn-time75%

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