$561 Cheap Flights from Birmingham (BHX) to Seattle (SEA)

View $561 flight on Mon, Feb 16, 2026Opens in a new window

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

Cheap Flights from Birmingham to Seattle (BHX-SEA)

Prices were available within the past 7 days and start at $561 for one-way flights and $755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Nov 26 - Sun, Nov 30
BHX
Birmingham
SEA
Seattle
$755 Roundtrip, found 5 days ago
$755
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Wed, Nov 26 from Birmingham to Seattle, returning Sun, Nov 30, priced at $755 found 5 days ago
Aer Lingus
Wed, Nov 26 - Sun, Nov 30
BHX
Birmingham
SEA
Seattle
$766 Roundtrip, found 5 days ago
$766
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Wed, Nov 26 from Birmingham to Seattle, returning Sun, Nov 30, priced at $766 found 5 days ago
Aer Lingus
Mon, Jun 1 - Fri, Jun 12
BHX
Birmingham
SEA
Seattle
$851 Roundtrip, found 5 days ago
$851
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Mon, Jun 1 from Birmingham to Seattle, returning Fri, Jun 12, priced at $851 found 5 days ago
Lufthansa
Wed, Apr 15 - Wed, Apr 22
BHX
Birmingham
SEA
Seattle
$858 Roundtrip, found 4 days ago
$858
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Apr 15 from Birmingham to Seattle, returning Wed, Apr 22, priced at $858 found 4 days ago
Lufthansa
Wed, Apr 15 - Wed, Apr 22
BHX
Birmingham
SEA
Seattle
$858 Roundtrip, found 4 days ago
$858
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Apr 15 from Birmingham to Seattle, returning Wed, Apr 22, priced at $858 found 4 days ago
Lufthansa
Wed, Apr 15 - Wed, Apr 22
BHX
Birmingham
SEA
Seattle
$860 Roundtrip, found 4 days ago
$860
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Apr 15 from Birmingham to Seattle, returning Wed, Apr 22, priced at $860 found 4 days ago
Lufthansa
Wed, Apr 15 - Wed, Apr 22
BHX
Birmingham
SEA
Seattle
$860 Roundtrip, found 4 days ago
$860
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Apr 15 from Birmingham to Seattle, returning Wed, Apr 22, priced at $860 found 4 days ago
United
Mon, Nov 24 - Wed, Dec 3
BHX
Birmingham
SEA
Seattle
$863 Roundtrip, found 6 days ago
$863
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 24 from Birmingham to Seattle, returning Wed, Dec 3, priced at $863 found 6 days ago
Swiss International Air Lines
Wed, Apr 15 - Wed, Apr 22
BHX
Birmingham
SEA
Seattle
$864 Roundtrip, found 4 days ago
$864
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, Apr 15 from Birmingham to Seattle, returning Wed, Apr 22, priced at $864 found 4 days ago
Air Canada
Mon, Feb 2 - Sun, Feb 8
BHX
Birmingham
SEA
Seattle
$868 Roundtrip, found 5 days ago
$868
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Feb 2 from Birmingham to Seattle, returning Sun, Feb 8, priced at $868 found 5 days ago

Frequently asked questions

How much does a flight from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $561 or cheap return flight from $755 from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from BHX to SEA is November, when there's less demand. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from BHX to SEA. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily nonstop flights available from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from BHX to SEA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the time of year 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 Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA)?
To land at Seattle - Tacoma Intl. Airport (SEA) on schedule, pick a flight that leaves Birmingham Airport (BHX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until right before your break to book a flight from BHX to SEA generally means paying more. Although you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book a BHX to SEA flight and hotel package?
You'll typically save money by booking a BHX to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Birmingham Airport (BHX) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you can modify or cancel your BHX to SEA flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Birmingham
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$755
Distance
4698 mi

Book with confidence

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 November. 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 $561 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.

 

Birmingham to Seattle Flights

Explore a world of travel with Expedia

*Available to One Key members.