$100 Cheap Flights from Birmingham (BHM) to Seattle (SEA)

View $100 flight on Sat, Feb 21, 2026Opens in a new window

Popular airlines from Birmingham International Airport (BHM) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Birmingham to Seattle (BHM-SEA)

Prices were available within the past 7 days and start at $100 for one-way flights and $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 6 - Sun, Jan 11
BHM
Birmingham
SEA
Seattle
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jan 6 from Birmingham to Seattle, returning Sun, Jan 11, priced at $250 found 5 days ago
Southwest Airlines
Tue, Jan 6 - Sun, Jan 11
BHM
Birmingham
SEA
Seattle
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Jan 6 from Birmingham to Seattle, returning Sun, Jan 11, priced at $256 found 5 days ago
American Airlines
Fri, Dec 5 - Sat, Dec 13
BHM
Birmingham
SEA
Seattle
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 5 from Birmingham to Seattle, returning Sat, Dec 13, priced at $262 found 5 days ago
American Airlines
Fri, Dec 5 - Sat, Dec 13
BHM
Birmingham
SEA
Seattle
$273 Roundtrip, found 5 days ago
$273
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 5 from Birmingham to Seattle, returning Sat, Dec 13, priced at $273 found 5 days ago
Southwest Airlines
Tue, Jan 6 - Sun, Jan 11
BHM
Birmingham
SEA
Seattle
$275 Roundtrip, found 5 days ago
$275
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Jan 6 from Birmingham to Seattle, returning Sun, Jan 11, priced at $275 found 5 days ago
American Airlines
Fri, Jan 16 - Tue, Jan 20
BHM
Birmingham
SEA
Seattle
$276 Roundtrip, found 3 days ago
$276
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from Birmingham to Seattle, returning Tue, Jan 20, priced at $276 found 3 days ago
Southwest Airlines
Tue, Jan 6 - Sun, Jan 11
BHM
Birmingham
SEA
Seattle
$280 Roundtrip, found 5 days ago
$280
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Jan 6 from Birmingham to Seattle, returning Sun, Jan 11, priced at $280 found 5 days ago
Delta
Tue, Feb 10 - Wed, Feb 25
BHM
Birmingham
SEA
Seattle
$281 Roundtrip, found 4 days ago
$281
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 10 from Birmingham to Seattle, returning Wed, Feb 25, priced at $281 found 4 days ago
Southwest Airlines
Tue, Jan 6 - Sun, Jan 11
BHM
Birmingham
SEA
Seattle
$286 Roundtrip, found 5 days ago
$286
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Jan 6 from Birmingham to Seattle, returning Sun, Jan 11, priced at $286 found 5 days ago
United
Tue, Dec 16 - Thu, Jan 1
BHM
Birmingham
SEA
Seattle
$291 Roundtrip, found 2 days ago
$291
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 16 from Birmingham to Seattle, returning Thu, Jan 1, priced at $291 found 2 days ago

Find the cheapest month to fly from Birmingham (BHM) to Seattle (SEA)

September is typically the cheapest month to fly

From $206 - $577 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $725
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $725
Flights from Birmingham (BHM) to Seattle (SEA)
Origin airport
Birmingham Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$250
Distance
2074 mi

Birmingham to Seattle Flights

The cheapest times to fly from Birmingham to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Birmingham to Seattle are during the month of January. You can find some of the cheapest flights from Birmingham to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Birmingham to Seattle

Sunday is one of the best days to book for cheap flights from Birmingham to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Birmingham to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Birmingham to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Birmingham to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Birmingham to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $100 or cheap return flight from $250 from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
January is the cheapest month to fly from BHM to SEA. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline flying from BHM to SEA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
Nonstop flights from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BHM to SEA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
Opt for a flight from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from BHM to SEA are generally more expensive. For the lowest prices, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book a BHM to SEA flight and hotel package?
Opting for a BHM to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
It's usually possible to reschedule or cancel your BHM to SEA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.