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$172+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SEA
juil. 8 — juil. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in February or October, booked 58 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 juillet 3, 2025.

Round-trip from

$343
(American Airlines)

One-way from

$172
(Delta)

Popular in

July

Cheapest in

February

Average price

$616
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. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 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 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 juillet 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/131:35 pmBHM - SEA
1 stop7h 41mAmerican Airlines
mar. 8/1912:46 amSEA - BHM
1 stop7h 48mAmerican Airlines
Deal found 7/3$343
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/294:15 pmBHM - SEA
1 stop8h 46mDelta
mar. 8/57:40 amSEA - BHM
1 stop9h 24mDelta
Deal found 7/1$345
This United Airlines deal was found by Cheapflights users on 7/3. 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.
mer. 8/201:34 pmBHM - SEA
2 stops11h 25mUnited Airlines
mer. 8/2712:43 pmSEA - BHM
1 stop6h 34mUnited Airlines
Deal found 7/3$348
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/216:00 pmBHM - SEA
1 stop8h 05mSouthwest
dim. 8/316:10 amSEA - BHM
1 stop13h 55mSouthwest
Deal found 6/30$350
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/81:02 pmBHM - SEA
3 stops29h 23mSpirit Airlines
lun. 8/115:30 pmSEA - BHM
2 stops17h 52mSpirit Airlines
Deal found 6/30$441

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 juillet 3, 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

mer. 8/13

1:35 pm-7:16 pm

1 stop7h 41m

Seattle/Tacoma Intl

mar. 8/19

12:46 am-10:34 am

1 stop7h 48m

$343

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

mar. 7/29

4:15 pm-11:01 pm

1 stop8h 46m

Seattle/Tacoma Intl

mar. 8/5

7:40 am-7:04 pm

1 stop9h 24m

$345

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

mer. 8/20

1:34 pm-10:59 pm

2 stops11h 25m

Seattle/Tacoma Intl

mer. 8/27

12:43 pm-9:17 pm

1 stop6h 34m

$348

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

jeu. 8/21

6:00 pm-12:05 am

1 stop8h 05m

Seattle/Tacoma Intl

dim. 8/31

6:10 am-10:05 pm

1 stop13h 55m

$350

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

ven. 8/8

1:02 pm-4:25 pm

3 stops29h 23m

Seattle/Tacoma Intl

lun. 8/11

5:30 pm-1:22 pm

2 stops17h 52m

$441

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

mer. 8/6

6:19 am-2:45 pm

1 stop10h 26m

$172

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

sam. 8/9

3:35 pm-10:59 pm

1 stop9h 24m

$174

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

sam. 8/30

1:50 pm-9:50 pm

2 stops10h 00m

$185

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

dim. 8/17

4:33 pm-10:55 pm

1 stop8h 22m

$189

BirminghamSeattle

BHM - SEA

BHMSEA

Birmingham

dim. 7/20

4:37 pm-4:25 pm

3 stops25h 48m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 11 results
1
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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 June 27, 2025.

Booking 58 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 July is currently the most expensive (average of $390). 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 juillet 3, 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 juillet 3, 2025.
Read through reviews of airlines operating flights from Birmingham to Seattle, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

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
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

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
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

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
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

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
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

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
8,094 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

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 Birmingham to Seattle. 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 Birmingham, Alabama to Seattle round-trip?

    Cheapflights users have booked flights from Birmingham, Alabama to Seattle round-trip from $343. Other airlines that can offer you cheap pricing are Delta, from $345, and United Airlines, from $348. You may be able to fly from Birmingham, Alabama to Seattle for 27% 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 $172. However, be on the lookout for offers from American Airlines and United 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, 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 July is currently the most expensive (average of $390). 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 Birmingham?

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

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 juillet 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$326Average$478FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$337Average$448FlexibilityNo cancel feeOn-time71%
DeltaCheapest$341Average$434FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$361Average$482FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$456Average$697FlexibilityNo cancel feeOn-time75%

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