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$378+ Cheap flights from Birmingham (BHX) to Seattle (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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in October or March, booked 79 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Birmingham to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHX) 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 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$635
(Kiwi.com)

One-way from

$378
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$780
Provider with most accurate pricing for Birmingham-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Birmingham-Seattle/Tacoma Intl flights.
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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. 17% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:45 amBHX - SEA
1 stop16h 15mMultiple Airlines
Sun 11/302:35 pmSEA - BHX
1 stop17h 00mMultiple Airlines
Deal found 10/28$635
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:30 pmBHX - SEA
1 stop13h 50mMultiple Airlines
Sun 11/308:05 pmSEA - BHX
1 stop14h 00mMultiple Airlines
Deal found 10/28$645
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:55 amBHX - SEA
1 stop18h 25mMultiple Airlines
Sun 11/308:05 pmSEA - BHX
1 stop14h 00mMultiple Airlines
Deal found 10/28$681
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:45 amBHX - SEA
1 stop16h 15mMultiple Airlines
Mon 12/12:35 pmSEA - BHX
1 stop15h 20mMultiple Airlines
Deal found 10/28$771
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:15 amBHX - SEA
1 stop17h 45mMultiple Airlines
Sun 11/302:35 pmSEA - BHX
1 stop17h 00mMultiple Airlines
Deal found 10/28$811
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 12/86:15 amBHX - SEA
1 stop13h 35mDelta
Mon 12/156:00 amSEA - BHX
2 stops19h 30mDelta
Deal found 10/26$837
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 amBHX - SEA
2 stops26h 59mUnited Airlines
Tue 12/22:00 pmSEA - BHX
1 stop14h 35mUnited Airlines
Deal found 10/28$842
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 amBHX - SEA
1 stop14h 10mUnited Airlines
Mon 12/17:00 amSEA - BHX
2 stops21h 45mUnited Airlines
Deal found 10/28$852
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:05 amBHX - SEA
1 stop35h 05mUnited Airlines
Tue 12/22:00 pmSEA - BHX
1 stop14h 35mUnited Airlines
Deal found 10/28$856
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amBHX - SEA
1 stop14h 10mUnited Airlines
Tue 12/28:10 amSEA - BHX
2 stops20h 25mUnited Airlines
Deal found 10/28$866
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:45 pmBHX - SEA
1 stop30h 25mUnited Airlines
Mon 12/17:00 amSEA - BHX
2 stops21h 45mUnited Airlines
Deal found 10/28$871

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 28, 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

BHX - SEA

BHXSEA

Birmingham

Mon 12/8

6:15 am-11:50 am

1 stop13h 35m

Seattle/Tacoma Intl

Mon 12/15

6:00 am-9:30 am

2 stops19h 30m

$837

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 11/25

6:00 am-12:10 pm

1 stop14h 10m

Seattle/Tacoma Intl

Mon 12/1

7:00 am-12:45 pm

2 stops21h 45m

$852

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 11/26

1:45 pm-12:59 am

2 stops19h 14m

Seattle/Tacoma Intl

Mon 12/1

5:20 pm-12:35 pm

2 stops35h 15m

$857

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 11/24

6:00 am-12:10 pm

1 stop14h 10m

Seattle/Tacoma Intl

Tue 12/2

8:10 am-12:35 pm

2 stops20h 25m

$866

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 11/24

6:00 am-11:44 pm

3 stops25h 44m

Seattle/Tacoma Intl

Mon 12/1

7:00 am-12:45 pm

2 stops21h 45m

$872

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 11/27

6:00 am-12:10 pm

1 stop14h 10m

Seattle/Tacoma Intl

Tue 12/2

2:00 pm-12:35 pm

1 stop14h 35m

$877

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 11/25

9:20 am-11:45 am

1 stop34h 25m

Seattle/Tacoma Intl

Mon 12/1

2:05 pm-5:50 pm

1 stop19h 45m

$878

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 3/2

6:00 am-12:10 pm

1 stop14h 10m

Seattle/Tacoma Intl

Fri 3/13

3:00 pm-12:35 pm

1 stop14h 35m

$886

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 3/2

6:15 am-11:35 am

1 stop13h 20m

Seattle/Tacoma Intl

Fri 3/13

9:30 am-12:50 pm

2 stops20h 20m

$891

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 12/11

6:55 am-1:30 pm

2 stops38h 35m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 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*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 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 Birmingham-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Birmingham-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Birmingham-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Birmingham-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-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 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.

The best time to book flights from Birmingham to Seattle is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Birmingham to Seattle (average of $616). Flying from Birmingham to Seattle in July is currently the most expensive (average of $788). 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 October 28, 2025.
Read through reviews of airlines operating flights from Birmingham to Seattle, such as Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.4
Good
1,482 reviews

Comfort

7.3

Entertainment

7.0

Overall

7.4

Crew

8.2

Food

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.4
Good
1,482 reviews
Air France
7.4
Good
1,482 reviews

Comfort

7.3

Entertainment

7.0

Overall

7.4

Crew

8.2

Food

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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 to Seattle?

    Airlines like Delta and United Airlines fly from Birmingham to Seattle in about 13h 35m. The time it takes to get you to your destination can typically vary by up to 35m. Airlines will cover a distance of 4695 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Birmingham to Seattle round-trip?

    Air France, at $780, was found to be the cheapest airline from Birmingham to Seattle.. Air France is priced at 13% lower than the current average price of a flight leaving 3 months from now.

  • 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 to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Birmingham to Seattle (average of $616). Flying from Birmingham to Seattle in July is currently the most expensive (average of $788). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Birmingham to Seattle

Discover the top airline 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$780Average$780FlexibilityNo cancel feeOn-time77%

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