£322 Cheap Flights from Seattle (SEA) to Burlington (BTV)

View £322 flight on Tue, 16 Sep 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Burlington Intl. Airport (BTV)

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Cheap Flights from Seattle (SEA) to Burlington (BTV)

Prices were available within the past 7 days and start at £322 for one-way flights and £715 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 13 Oct - Thu, 16 Oct
SEA
Seattle
BTV
Burlington
£715 Return, found 20 hours ago
£715
Return
found 20 hours ago
Select Alaska Airlines flight, departing Mon, 13 Oct from Seattle to Burlington, returning Thu, 16 Oct, priced at £715 found 20 hours ago
Alaska Airlines
Mon, 13 Oct - Thu, 16 Oct
SEA
Seattle
BTV
Burlington
£719 Return, found 20 hours ago
£719
Return
found 20 hours ago
Select Alaska Airlines flight, departing Mon, 13 Oct from Seattle to Burlington, returning Thu, 16 Oct, priced at £719 found 20 hours ago
Alaska Airlines
Mon, 13 Oct - Thu, 16 Oct
SEA
Seattle
BTV
Burlington
£839 Return, found 20 hours ago
£839
Return
found 20 hours ago
Select Alaska Airlines flight, departing Mon, 13 Oct from Seattle to Burlington, returning Thu, 16 Oct, priced at £839 found 20 hours ago
Alaska Airlines
Mon, 13 Oct - Thu, 16 Oct
SEA
Seattle
BTV
Burlington
£843 Return, found 20 hours ago
£843
Return
found 20 hours ago
Select Alaska Airlines flight, departing Mon, 13 Oct from Seattle to Burlington, returning Thu, 16 Oct, priced at £843 found 20 hours ago

Find the cheapest month to fly from Seattle (SEA) to Burlington (BTV)

April is typically the cheapest month to fly

From £191 - £665 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Burlington route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Burlington Intl.
Airlines serving
Alaska Airlines
Return price
£715
Distance
3727 km

Compare flights from Seattle to Burlington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Burlington. Operating between them flights per day, 6 airlines cover the route. And fly direct, getting you to Burlington Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Burlington 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 Seattle - Tacoma Intl. (SEA) to Burlington Intl. (BTV)

The easiest way to view the best deals on flights from Seattle to Burlington 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 Seattle - Tacoma Intl. to Burlington Intl. start at just £715 and range up to £843.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Burlington 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 Seattle - Tacoma Intl. Airport (SEA) to BTV?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Sea-Tac Airport and BTV start from £715. Book today to score the best price for your exciting adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Burlington International Airport?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from SEA to BTV 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 SEA to BTV flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to Burlington International Airport?
Around 3,800 kilometres separates SeaTac and South Burlington, so pack some entertainment to help you fill in a few hours. That thrilling novel you haven't finished will be ideal.
Which airlines fly direct from SEA to Burlington Intl. Airport (BTV)?
Unfortunately, there aren't any airlines that fly direct between Sea-Tac Airport and BTV. You'll have to book a flight with one or more stops.
Are SEA to Burlington International Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices from SEA to BTV are available up to a year before departure on Expedia. And although you may occasionally nab a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

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