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$180+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SEA
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This Southwest deal was found by Cheapflights users on 3/9. 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 4/75:30 pm
BHM
-
SEA
1 stop7h 00m
Southwest
Tue 4/148:25 am
SEA
-
BHM
1 stop7h 00m
Southwest
Deal found 3/9$359
This Southwest deal was found by Cheapflights users on 3/9. 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 4/295:30 pm
BHM
-
SEA
1 stop7h 00m
Southwest
Sat 5/96:40 am
SEA
-
BHM
2 stops11h 10m
Southwest
Deal found 3/9$374
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Thu 4/232:45 pm
BHM
-
SEA
1 stop10h 27m
United Airlines
Mon 4/2711:35 pm
SEA
-
BHM
1 stop8h 48m
United Airlines
Deal found 3/7$379
This United Airlines deal was found by Cheapflights users on 3/10. 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 5/206:20 pm
BHM
-
SEA
1 stop7h 39m
United Airlines
Thu 5/286:30 am
SEA
-
BHM
2 stops9h 48m
United Airlines
Deal found 3/10$384
This Southwest deal was found by Cheapflights users on 3/9. 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 5/273:40 pm
BHM
-
SEA
2 stops10h 30m
Southwest
Thu 6/47:30 am
SEA
-
BHM
2 stops8h 35m
Southwest
Deal found 3/9$389
This Southwest deal was found by Cheapflights users on 3/8. 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 4/306:30 am
BHM
-
SEA
2 stops14h 35m
Southwest
Mon 5/410:55 am
SEA
-
BHM
2 stops9h 35m
Southwest
Deal found 3/8$395
This Southwest deal was found by Cheapflights users on 3/10. 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.
Tue 4/216:20 am
BHM
-
SEA
1 stop7h 00m
Southwest
Fri 4/245:30 am
SEA
-
BHM
1 stop6h 30m
Southwest
Deal found 3/10$398
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:00 am
BHM
-
SEA
1 stop7h 48m
American Airlines
Fri 5/112:59 am
SEA
-
BHM
1 stop8h 28m
American Airlines
Deal found 3/10$399
This Southwest deal was found by Cheapflights users on 3/9. 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 4/92:55 pm
BHM
-
SEA
1 stop11h 45m
Southwest
Tue 4/1411:45 pm
SEA
-
BHM
2 stops9h 40m
Southwest
Deal found 3/9$400

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Southwest)

One-way from

$180
(Southwest)

Popular in

November

Cheapest in

September

Average price

$578
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. 7% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 11, 2026.
Use the filters below to find and compare flights from Birmingham to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 4/30

5:15 am-10:25 am

1 stop7h 10m

Seattle/Tacoma Intl

Mon 5/4

5:30 am-2:00 pm

1 stop6h 30m

$379

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 4/9

2:55 pm-12:40 am

1 stop11h 45m

Seattle/Tacoma Intl

Tue 4/14

11:45 pm-11:25 am

2 stops9h 40m

$400

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Mon 4/20

5:15 am-10:25 am

1 stop7h 10m

Seattle/Tacoma Intl

Mon 4/27

2:50 pm-11:25 pm

1 stop6h 35m

$408

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 5/30

1:55 pm-11:00 pm

1 stop11h 05m

Seattle/Tacoma Intl

Mon 6/1

6:30 am-5:10 pm

2 stops8h 40m

$413

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 6/4

5:10 pm-12:50 am

2 stops9h 40m

Seattle/Tacoma Intl

Sun 6/7

8:45 am-11:25 pm

1 stop12h 40m

$419

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Thu 6/25

5:10 pm-11:05 pm

1 stop7h 55m

Seattle/Tacoma Intl

Mon 6/29

5:30 am-3:45 pm

1 stop8h 15m

$437

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Tue 8/18

3:40 pm-9:11 pm

1 stop7h 31m

Seattle/Tacoma Intl

Thu 8/27

6:29 am-6:14 pm

2 stops9h 45m

$442

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Mon 7/13

5:10 pm-12:50 am

2 stops9h 40m

Seattle/Tacoma Intl

Mon 7/20

5:30 am-3:45 pm

1 stop8h 15m

$442

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Wed 8/12

4:55 pm-11:35 pm

2 stops8h 40m

Seattle/Tacoma Intl

Thu 8/20

5:00 am-4:05 pm

2 stops9h 05m

$447

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

Sat 6/20

3:20 pm-12:10 am

2 stops10h 50m

Seattle/Tacoma Intl

Tue 7/21

7:00 am-5:35 pm

2 stops8h 35m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 22 resultsSorted by cheapest first
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham, Alabama-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 2026.

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 $211). Flying from Birmingham, Alabama to Seattle in July is currently the most expensive (average of $370). 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.

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 March 11, 2026.
Read through reviews of airlines operating flights from Birmingham to Seattle, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

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
12,025 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

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
8.0
Very good
4,317 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

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
8,278 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

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
9,414 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

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
7.1
Good
11,419 reviews
Alaska Airlines
8.0
Very good
12,025 reviews

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

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 Southwest fly from Birmingham, Alabama to Seattle in about 7h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Birmingham, Alabama to Seattle is about 2074 mi.

  • 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 $321. Other airlines that can offer you cheap pricing are Delta, from $344, and Southwest, from $361. You may be able to fly from Birmingham, Alabama to Seattle for 38% 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 United Airlines and American Airlines, 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 $211). Flying from Birmingham, Alabama to Seattle in July is currently the most expensive (average of $370). 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
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
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Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$321Average$512FlexibilityNo cancel feeOn-time71%
DeltaCheapest$344Average$555FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$361Average$489FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$369Average$478FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$543Average$716FlexibilityNo cancel feeOn-time75%

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