£319 Cheap Flights from Birmingham (BHM) to Seattle (SEA)

View £319 flight on Sun, 3 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £319 for one-way flights and £558 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 9 Jun - Fri, 19 Jun
BHM
Birmingham
SEA
Seattle
£558 Return, found 2 days ago
£558
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from Birmingham to Seattle, returning Fri, 19 Jun, priced at £558 found 2 days ago
Alaska Airlines
Tue, 9 Jun - Fri, 19 Jun
BHM
Birmingham
SEA
Seattle
£581 Return, found 2 days ago
£581
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from Birmingham to Seattle, returning Fri, 19 Jun, priced at £581 found 2 days ago
Alaska Airlines
Tue, 9 Jun - Fri, 19 Jun
BHM
Birmingham
SEA
Seattle
£603 Return, found 2 days ago
£603
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from Birmingham to Seattle, returning Fri, 19 Jun, priced at £603 found 2 days ago
Alaska Airlines
Tue, 9 Jun - Fri, 19 Jun
BHM
Birmingham
SEA
Seattle
£662 Return, found 2 days ago
£662
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from Birmingham to Seattle, returning Fri, 19 Jun, priced at £662 found 2 days ago
Alaska Airlines
Tue, 9 Jun - Fri, 19 Jun
BHM
Birmingham
SEA
Seattle
£684 Return, found 2 days ago
£684
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 9 Jun from Birmingham to Seattle, returning Fri, 19 Jun, priced at £684 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 £184 - £460 per traveller.

Graph displaying average flight prices per month

Flight from Birmingham to Seattle route information
Origin airport
Birmingham Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
£558
Distance
3319 km

Compare flights from Birmingham to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Birmingham to Seattle. Operating between them flights per day, 8 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Birmingham Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Birmingham Intl. (BHM) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Birmingham to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Birmingham Intl. to Seattle - Tacoma Intl. start at just £558 and range up to £684.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Birmingham and Seattle
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Birmingham to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Birmingham Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Birmingham-Shuttlesworth International Airport to Seattle - Tacoma Intl. Airport (SEA)?
If you're planning on travelling from Birmingham Intl. Airport (BHM) to Sea-Tac Airport, round-trip journeys start from £558. This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Birmingham Intl. Airport (BHM) to SEA?
We understand that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Birmingham-Shuttlesworth International Airport to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Birmingham Intl. Airport (BHM) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Birmingham-Shuttlesworth International Airport to Sea-Tac Airport?
It's around 3,300 kilometres from Birmingham Intl. Airport (BHM) to SEA, so expect to be in your seat for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or the latest bestseller.
Which airlines fly direct from Birmingham Intl. Airport (BHM) to SEA?
Flying directly between Birmingham-Shuttlesworth International Airport and Sea-Tac Airport isn't possible at the moment. However, you'll still be able to book a flight to SeaTac with at least one stop.
Are Birmingham-Shuttlesworth International Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Birmingham-Shuttlesworth International Airport to SEA are available up to 12 months before departure on Expedia. And although you may nab fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

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