$163 Cheap United flights Birmingham (BHM) to Seattle (SEA)

View $163 flight on Tue, Sep 2, 2025Opens in a new window

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$163 Cheap United flights Birmingham (BHM) to Seattle (SEA)

Prices were available within the past 7 days and start at $163 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 20 - Wed, Sep 24
BHM
Birmingham
SEA
Seattle
$325 Roundtrip, found 9 hours ago
$325
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Sep 20 from Birmingham to Seattle, returning Wed, Sep 24, priced at $325 found 9 hours ago
United
Sat, Oct 4 - Wed, Oct 8
BHM
Birmingham
SEA
Seattle
$327 Roundtrip, found 10 hours ago
$327
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 4 from Birmingham to Seattle, returning Wed, Oct 8, priced at $327 found 10 hours ago
United
Sat, Oct 4 - Wed, Oct 8
BHM
Birmingham
SEA
Seattle
$333 Roundtrip, found 10 hours ago
$333
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 4 from Birmingham to Seattle, returning Wed, Oct 8, priced at $333 found 10 hours ago
United
Tue, Sep 2 - Wed, Sep 10
BHM
Birmingham
SEA
Seattle
$335 Roundtrip, found 2 days ago
$335
Roundtrip
found 2 days ago
Select United flight, departing Tue, Sep 2 from Birmingham to Seattle, returning Wed, Sep 10, priced at $335 found 2 days ago
United
Wed, Aug 20 - Sat, Aug 23
BHM
Birmingham
SEA
Seattle
$335 Roundtrip, found 10 hours ago
$335
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Aug 20 from Birmingham to Seattle, returning Sat, Aug 23, priced at $335 found 10 hours ago
United
Mon, Sep 22 - Wed, Sep 24
BHM
Birmingham
SEA
Seattle
$336 Roundtrip, found 9 hours ago
$336
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Sep 22 from Birmingham to Seattle, returning Wed, Sep 24, priced at $336 found 9 hours ago
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
Popular airline
Alaska Airlines
Distance
2074 mi

Frequently asked questions

How much is a United Airlines flight from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
Apply the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines return flights from $325 from BHM to SEA. Affordable one-way fares from $163 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BHM to SEA with United Airlines?
United Airlines flights to Seattle are often more affordable in the low-season months of January and February. Whether you're after a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) with United Airlines?
Search for affordable United Airlines flights from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) one to three months prior to your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
Enter your dates, hit search and select "Nonstop" on Expedia to find any direct flights from BHM to SEA with United Airlines or other airlines.
What is the earliest United Airlines flight from BHM to SEA?
Filter your results by "Morning" and "Early Morning" to browse the earliest flights from BHM to SEA. Taking off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Seattle?
Get on a United Airlines flight from Birmingham Intl. Airport (BHM) to Seattle, and you'll likely come in to Seattle - Tacoma Intl. Airport (SEA). This is the airline's primary hub in this city.
Why fly with United Airlines from BHM to SEA?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from BHM to SEA with United Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you can cancel or modify your flight, although there may be additional charges if you booked more than 24 hours ago. Prefer to keep your options open? Make use of our "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you have to revise your plans. To modify your booking, visit "Trips," select your flight and click on "Manage Booking" for more information.

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