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$145+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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

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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 12/131:20 pmBHM - SEA
1 stop7h 35mAmerican Airlines
Wed 12/171:28 pmSEA - BHM
1 stop8h 31mAmerican Airlines
Deal found 10/28$359
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/83:03 pmBHM - SEA
1 stop9h 44mUnited Airlines
Fri 12/1210:40 amSEA - BHM
1 stop9h 19mUnited Airlines
Deal found 10/29$380
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:28 pmBHM - SEA
1 stop8h 22mDelta
Sun 12/147:25 amSEA - BHM
1 stop9h 13mDelta
Deal found 10/30$394
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:57 amBHM - SEA
1 stop9h 12mAmerican Airlines
Fri 12/1210:34 amSEA - BHM
1 stop8h 19mAmerican Airlines
Deal found 10/30$409
This Southwest deal was found by Cheapflights users on 10/29. 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.
Mon 12/811:20 amBHM - SEA
1 stop13h 10mSouthwest
Fri 12/125:35 amSEA - BHM
2 stops8h 20mSouthwest
Deal found 10/29$415
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/85:57 pmBHM - SEA
1 stop7h 41mAmerican Airlines
Thu 12/1112:38 amSEA - BHM
1 stop7h 38mAmerican Airlines
Deal found 10/29$424
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 11/237:24 pmBHM - SEA
1 stop7h 34mAmerican Airlines
Mon 11/2411:42 amSEA - BHM
1 stop9h 09mAmerican Airlines
Deal found 10/27$433
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/227:15 pmBHM - SEA
1 stop7h 42mAmerican Airlines
Sat 12/275:23 amSEA - BHM
1 stop6h 33mAmerican Airlines
Deal found 10/29$437
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 11/233:00 pmBHM - SEA
2 stops11h 59mUnited Airlines
Mon 11/2412:35 pmSEA - BHM
1 stop7h 24mUnited Airlines
Deal found 10/27$456

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(American Airlines)

One-way from

$145
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$494
Provider with most accurate pricing for Birmingham-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Birmingham-Seattle/Tacoma Intl flights.
Search Deals
From Birmingham to Seattle/Tacoma Intl
Search Deals
One-way flight from Birmingham to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

Thu 1/15

6:15 am-12:49 pm

1 stop8h 34m

Seattle/Tacoma Intl

Thu 1/22

12:25 pm-9:31 pm

1 stop7h 06m

$351

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 1/15

9:10 am-6:27 pm

2 stops11h 17m

Seattle/Tacoma Intl

Mon 1/19

7:00 am-4:12 pm

1 stop7h 12m

$356

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 12/13

1:20 pm-6:55 pm

1 stop7h 35m

Seattle/Tacoma Intl

Wed 12/17

1:28 pm-11:59 pm

1 stop8h 31m

$359

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Mon 12/8

3:03 pm-10:47 pm

1 stop9h 44m

Seattle/Tacoma Intl

Fri 12/12

10:40 am-9:59 pm

1 stop9h 19m

$380

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 12/10

10:56 am-5:47 pm

1 stop8h 51m

Seattle/Tacoma Intl

Sun 12/14

11:40 am-9:22 pm

1 stop7h 42m

$394

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 12/10

6:26 am-12:38 pm

1 stop8h 12m

Seattle/Tacoma Intl

Sat 12/13

12:31 am-8:48 am

1 stop6h 17m

$394

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Mon 12/8

11:20 am-10:30 pm

1 stop13h 10m

Seattle/Tacoma Intl

Fri 12/12

5:35 am-3:55 pm

2 stops8h 20m

$415

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Mon 12/8

5:57 pm-11:38 pm

1 stop7h 41m

Seattle/Tacoma Intl

Thu 12/11

12:38 am-10:16 am

1 stop7h 38m

$424

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sun 1/18

6:15 am-3:44 pm

2 stops11h 29m

$150

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Mon 11/24

3:00 pm-12:59 am

2 stops11h 59m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 18 results
1
2

Compare providers for flights from Birmingham to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Birmingham to Seattle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Birmingham, Alabama-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Birmingham, Alabama-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Birmingham, Alabama-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Birmingham, Alabama-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Birmingham, Alabama-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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, September is the cheapest month in which you can book a flight from Birmingham, Alabama to Seattle (average of $232). Flying from Birmingham, Alabama to Seattle in December is currently the most expensive (average of $383). 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 October 30, 2025.

It’s typically best to fly out from Birmingham, Alabama to Seattle in the afternoon. Doing so could potentially save you 9% 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 evenings 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 October 30, 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
11,217 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 United Airlines and American Airlines fly from Birmingham, Alabama to Seattle in about 7h 35m. The time it takes to get you to your destination can typically vary by up to 59m. 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 $324. 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 34% 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, September is the cheapest month in which you can book a flight from Birmingham, Alabama to Seattle (average of $232). Flying from Birmingham, Alabama to Seattle in December is currently the most expensive (average of $383). 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
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$324Average$478FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$478FlexibilityNo cancel feeOn-time69%
DeltaCheapest$344Average$506FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$361Average$490FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$481Average$697FlexibilityNo cancel feeOn-time75%

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