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$243+ Cheap flights from Seattle (SEA) to Birmingham (BHX)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BHX
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Seattle to Birmingham

Cheapest flights from Seattle to Birmingham
Explore the most affordable flight options available from Seattle to Birmingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This Booking.com deal was found by Cheapflights users on 3/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:55 pm
SEA
-
BHX
1 stop15h 15m
Aer Lingus
Sun 4/1912:20 pm
BHX
-
SEA
1 stop12h 50m
Aer Lingus
Deal found 3/22$730
This United Airlines deal was found by Cheapflights users on 3/22. 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 10/187:20 pm
SEA
-
BHX
2 stops30h 30m
United Airlines
Wed 10/216:05 am
BHX
-
SEA
1 stop14h 15m
United Airlines
Deal found 3/22$755
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Mon 4/133:40 pm
SEA
-
BHX
3 stops23h 05m
Multiple Airlines
Sun 4/196:15 am
BHX
-
SEA
3 stops36h 10m
Multiple Airlines
Deal found 3/22$778
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:55 pm
SEA
-
BHX
1 stop16h 20m
Aer Lingus
Sun 4/199:10 am
BHX
-
SEA
1 stop16h 00m
Aer Lingus
Deal found 3/23$787
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Fri 4/177:00 pm
SEA
-
BHX
2 stops21h 55m
Multiple Airlines
Fri 4/2410:00 pm
BHX
-
SEA
3 stops43h 40m
Multiple Airlines
Deal found 3/20$794
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:10 pm
SEA
-
BHX
1 stop19h 35m
Multiple Airlines
Mon 5/118:45 am
BHX
-
SEA
1 stop16h 25m
Multiple Airlines
Deal found 3/20$796
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:50 pm
SEA
-
BHX
1 stop14h 20m
Lufthansa
Thu 10/226:05 am
BHX
-
SEA
1 stop14h 15m
Lufthansa
Deal found 3/20$815
This Air Canada deal was found by Cheapflights users on 3/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:00 pm
SEA
-
BHX
2 stops18h 10m
Multiple Airlines
Thu 10/226:05 am
BHX
-
SEA
2 stops24h 37m
Multiple Airlines
Deal found 3/23$819

Find flight deals from Seattle to Birmingham

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Birmingham (BHX). 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 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$730
(Booking.com)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$795
Provider with most accurate pricing for Seattle/Tacoma Intl-Birmingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Birmingham flights.
Search Deals
From Seattle/Tacoma Intl to Birmingham
Search Deals
One-way flight from Seattle/Tacoma Intl to Birmingham
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 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 Seattle to Birmingham 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 24, 2026.
Use the filters below to find and compare flights from Seattle to Birmingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Sat 9/5

3:55 pm-1:40 pm

1 stop13h 45m

Birmingham

Wed 9/9

7:15 pm-8:25 am

2 stops45h 10m

$831

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Wed 5/6

2:10 pm-5:30 pm

1 stop19h 20m

Birmingham

Wed 5/13

6:05 am-12:20 pm

1 stop14h 15m

$935

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Tue 4/14

7:10 pm-4:05 pm

1 stop12h 55m

Birmingham

Sun 4/19

6:15 am-2:19 pm

2 stops40h 04m

$941

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Thu 7/30

11:25 pm-6:35 pm

2 stops35h 10m

Birmingham

Mon 8/10

7:15 pm-5:55 pm

2 stops54h 40m

$996

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Thu 7/30

7:40 am-5:10 pm

2 stops25h 30m

Birmingham

Mon 8/10

6:20 pm-4:59 pm

2 stops30h 39m

$1,005

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Tue 4/14

2:10 pm-5:35 pm

1 stop19h 25m

Birmingham

Sun 4/19

5:55 am-12:20 pm

1 stop14h 25m

$1,007
Quickest round-trip

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Sat 9/5

2:10 pm-5:25 pm

1 stop19h 15m

Birmingham

Wed 9/9

6:05 am-11:55 am

1 stop13h 50m

$1,027

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Sun 5/3

2:10 pm-5:40 pm

1 stop19h 30m

Birmingham

Sun 5/10

5:55 am-12:20 pm

1 stop14h 25m

$1,035

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Sun 4/5

7:10 pm-9:05 am

1 stop29h 55m

Birmingham

Wed 4/8

5:35 pm-5:15 pm

1 stop31h 40m

$1,050
Cheapest one-way

SeattleBirmingham

SEA - BHX

SEABHX

Seattle/Tacoma Intl

Sat 4/18

7:00 pm-12:50 pm

2 stops33h 50m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Birmingham

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 Seattle to Birmingham in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*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 Seattle-Birmingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Birmingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Birmingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Birmingham 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 Seattle-Birmingham 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 Seattle to Birmingham

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

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Birmingham (average of $486). Flying from Seattle to Birmingham in July is currently the most expensive (average of $685). 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 Birmingham

Get insights into the airlines that provide service to Birmingham. 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 Birmingham. Reviews last updated March 24, 2026.
See what other customers who have flown with Delta,KLM, andAer Lingus from Seattle to Birmingham have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,321 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,321 reviews
Delta
7.9
Good
8,321 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.8
Good
1,477 reviews
Delta
7.9
Good
8,321 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aer Lingus
7.2
Good
1,487 reviews
Delta
7.9
Good
8,321 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,864 reviews
Delta
7.9
Good
8,321 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Birmingham. 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 Seattle to Birmingham?

    There are many flights that can get you from Seattle to Birmingham in 15h 15m. Fly via Aer Lingus to get the fastest option. Airlines will cover a distance of 4695 mi.

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

    Aer Lingus, at $597, was found to be the cheapest airline from Seattle to Birmingham.Alternate airlines to your destination round-trip include Delta and Lufthansa. Aer Lingus is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Birmingham (average of $486). Flying from Seattle to Birmingham in July is currently the most expensive (average of $685). 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
Wolverhampton
West Bromwich

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Seattle to Birmingham

Discover the top 4 airlines that operate flights from Seattle to Birmingham. 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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$597Average$671FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$621Average$1,153FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$685Average$805FlexibilityNo cancel feeOn-time76%
KLMCheapest$685Average$866FlexibilityNo cancel feeOn-time75%

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