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$151+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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

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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/315:00 pmBHM - SEA
1 stop7h 52mUnited Airlines
Sat 1/311:59 pmSEA - BHM
1 stop7h 23mUnited Airlines
Deal found 12/10$546
This Delta deal was found by Cheapflights users on 12/10. 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 12/256:20 amBHM - SEA
1 stop8h 01mDelta
Sun 12/2810:55 pmSEA - BHM
1 stop9h 06mDelta
Deal found 12/10$570
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/295:00 pmBHM - SEA
2 stops18h 56mUnited Airlines
Thu 1/15:00 amSEA - BHM
1 stop9h 13mUnited Airlines
Deal found 12/10$657
This Southwest deal was found by Cheapflights users on 12/10. 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.
Wed 12/3111:20 amBHM - SEA
2 stops12h 30mSouthwest
Sat 1/310:35 amSEA - BHM
2 stops9h 20mSouthwest
Deal found 12/10$667
This Southwest deal was found by Cheapflights users on 12/10. 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.
Fri 12/196:50 amBHM - SEA
1 stop10h 25mSouthwest
Thu 1/299:55 amSEA - BHM
1 stop8h 05mSouthwest
Deal found 12/10$686
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/292:29 pmBHM - SEA
1 stop9h 35mAmerican Airlines
Thu 1/110:13 pmSEA - BHM
1 stop7h 33mAmerican Airlines
Deal found 12/11$726
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/263:00 pmBHM - SEA
1 stop9h 52mUnited Airlines
Thu 1/15:00 amSEA - BHM
1 stop9h 13mUnited Airlines
Deal found 12/10$744
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/205:00 pmBHM - SEA
1 stop7h 52mUnited Airlines
Sat 1/311:59 pmSEA - BHM
1 stop7h 23mUnited Airlines
Deal found 12/10$752

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$301
(Southwest)

One-way from

$151
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$596
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. 10% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

10:51 am-7:04 pm

1 stop10h 13m

Seattle/Tacoma Intl

Tue 1/20

7:00 am-5:00 pm

1 stop8h 00m

$343

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 1/7

5:22 pm-10:50 pm

1 stop7h 28m

Seattle/Tacoma Intl

Wed 1/14

6:05 am-5:10 pm

1 stop9h 05m

$359

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 1/15

4:53 pm-10:59 pm

1 stop8h 06m

Seattle/Tacoma Intl

Tue 1/20

8:10 am-9:58 pm

2 stops11h 48m

$363

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sun 1/11

7:30 am-4:01 pm

1 stop10h 31m

Seattle/Tacoma Intl

Sun 1/18

5:00 am-2:08 pm

1 stop7h 08m

$369

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 1/7

10:30 am-5:50 pm

1 stop9h 20m

Seattle/Tacoma Intl

Sun 1/11

5:00 am-2:40 pm

1 stop7h 40m

$398

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 1/7

9:10 am-4:01 pm

1 stop8h 51m

Seattle/Tacoma Intl

Sun 1/11

7:00 am-6:26 pm

1 stop9h 26m

$398

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 2/14

5:00 am-11:40 am

1 stop8h 40m

Seattle/Tacoma Intl

Wed 2/18

10:51 pm-10:28 am

1 stop9h 37m

$401

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Fri 1/9

7:20 am-1:15 pm

1 stop7h 55m

Seattle/Tacoma Intl

Thu 1/22

9:55 am-8:00 pm

1 stop8h 05m

$411

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 1/15

10:30 am-6:40 pm

2 stops10h 10m

Seattle/Tacoma Intl

Tue 1/20

8:45 am-9:20 pm

2 stops10h 35m

$419

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 12/24

7:48 am-2:07 pm

1 stop8h 19m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results
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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 December.
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 December 5, 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 $222). Flying from Birmingham, Alabama to Seattle in July is currently the most expensive (average of $336). 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 December 12, 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 December 12, 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
11,432 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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, Delta, and United Airlines fly from Birmingham, Alabama to Seattle in about 7h 28m. The time it takes to get you to your destination can typically vary by up to 2h 45m. 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 36% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $116. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Birmingham, Alabama to Seattle for a low price.

  • 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 $222). Flying from Birmingham, Alabama to Seattle in July is currently the most expensive (average of $336). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$324Average$487FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$478FlexibilityNo cancel feeOn-time69%
DeltaCheapest$344Average$532FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$367Average$489FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$481Average$697FlexibilityNo cancel feeOn-time75%

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