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$720+ Cheap flights from Birmingham (BHX) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHX — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Birmingham to Seattle/Tacoma Intl are usually found in April or May, booked 78 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$720
(Mytrip)

Popular in

July

Cheapest in

April

Average price

$797
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
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:45 pmBHX - SEA
3 stops36h 11mMultiple Airlines
Tue 5/137:05 amSEA - BHX
3 stops29h 20mMultiple Airlines
Deal found 3/26$720
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:55 amBHX - SEA
2 stops21h 42mUnited Airlines
Tue 5/137:00 amSEA - BHX
2 stops21h 15mUnited Airlines
Deal found 3/26$722
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:50 amBHX - SEA
1 stop14h 09mLufthansa
Tue 5/272:15 pmSEA - BHX
1 stop14h 00mLufthansa
Deal found 3/27$766
This The Travel House deal was found by Cheapflights users on 3/26. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:15 pmBHX - SEA
1 stop27h 45mKLM
Fri 4/256:10 pmSEA - BHX
1 stop14h 40mKLM
Deal found 3/26$1,065
This ChecknFly deal was found by Cheapflights users on 3/27. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:10 amBHX - SEA
1 stop16h 49mAer Lingus
Fri 4/256:45 pmSEA - BHX
1 stop28h 55mAer Lingus
Deal found 3/27$1,292
This SmartFares deal was found by Cheapflights users on 3/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/45:10 pmBHX - SEA
1 stop32h 05mTurkish Airlines
Mon 4/147:10 pmSEA - BHX
1 stop30h 40mTurkish Airlines
Deal found 3/27$4,170

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 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 5/5

8:45 pm-12:56 am

3 stops36h 11m

Seattle/Tacoma Intl

Tue 5/13

7:05 am-8:25 pm

3 stops29h 20m

$720

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 5/5

5:55 am-7:37 pm

2 stops21h 42m

Seattle/Tacoma Intl

Tue 5/13

7:00 am-12:15 pm

2 stops21h 15m

$722

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 4/23

10:50 am-4:59 pm

1 stop14h 09m

Seattle/Tacoma Intl

Tue 5/27

2:15 pm-12:15 pm

1 stop14h 00m

$766

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 4/21

8:15 pm-4:00 pm

1 stop27h 45m

Seattle/Tacoma Intl

Fri 4/25

6:10 pm-4:50 pm

1 stop14h 40m

$1,065

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Mon 4/21

8:10 am-4:59 pm

1 stop16h 49m

Seattle/Tacoma Intl

Fri 4/25

6:45 pm-7:40 am

1 stop28h 55m

$1,292

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/27

8:10 am-4:59 pm

1 stop16h 49m

$751

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Thu 5/29

6:00 am-8:28 pm

2 stops22h 28m

$848

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Wed 5/28

10:50 am-5:15 pm

1 stop38h 25m

$922

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Tue 5/27

11:55 am-10:30 pm

2 stops42h 35m

$1,380

BirminghamSeattle

BHX - SEA

BHXSEA

Birmingham

Sun 5/25

1:20 pm-4:44 pm

2 stops35h 24m

$1,559

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 11 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham-Seattle flight deals on Cheapflights vs. FlightHub >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 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-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 March 21, 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, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of $238). Flying from Birmingham to Seattle in July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 28, 2025.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,744 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 to Seattle round-trip?

    United Airlines, at $722, was found to be the cheapest airline from Birmingham to Seattle.Alternate airlines to your destination round-trip include Lufthansa and KLM. United Airlines is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Birmingham to Seattle are Aer Lingus ($751), WestJet ($848), and Turkish Airlines ($922).

  • 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, January is the cheapest month in which you can book a flight from Birmingham to Seattle (average of $238). Flying from Birmingham to Seattle in July is currently the most expensive (average of $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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