£296 Cheap Flights from Burlington (BTV) to Seattle (SEA)

View £296 flight on Fri, 12 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £296 for one-way flights and £827 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 13 Aug - Sun, 17 Aug
BTV
Burlington
SEA
Seattle
£827 Return, found 1 day ago
£827
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 13 Aug from Burlington to Seattle, returning Sun, 17 Aug, priced at £827 found 1 day ago
Alaska Airlines
Wed, 13 Aug - Sun, 17 Aug
BTV
Burlington
SEA
Seattle
£869 Return, found 1 day ago
£869
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 13 Aug from Burlington to Seattle, returning Sun, 17 Aug, priced at £869 found 1 day ago

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

March is typically the cheapest month to fly

From £191 - £683 per traveller.

Graph displaying average flight prices per month

Flight from Burlington to Seattle route information
Origin airport
Burlington Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
£827
Distance
3727 km

Compare flights from Burlington to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Burlington to Seattle. Operating between them flights per day, 4 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 Burlington 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 Burlington Intl. (BTV) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Burlington 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 Burlington Intl. to Seattle - Tacoma Intl. start at just £827 and range up to £869.  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Burlington 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 BTV to SEA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between Burlington Intl. Airport (BTV) and Sea-Tac Airport was £827. Cheap tickets don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Burlington Intl. Airport (BTV) to SEA?
This differs between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from BTV 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 Burlington International Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BTV to Sea-Tac Airport?
Expect to be cruising at altitude for a while, as the flight distance from Burlington Intl. Airport (BTV) to Sea-Tac Airport is 3,800 kilometres. Create a playlist of your favourite songs before leaving home to keep yourself entertained during the trip.
Which airlines fly direct from Burlington Intl. Airport (BTV) to Seattle - Tacoma Intl. Airport (SEA)?
Flying nonstop between Burlington Intl. Airport (BTV) and Sea-Tac Airport isn't possible at this time. However, you'll still be able to find a flight to SeaTac with at least one stop.
Are Burlington International Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute deals between Burlington International Airport and SEA are possible, it also makes sense to monitor prices well before you fly. In fact, some air carriers announce their prices up to a year ahead of the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to book when the price is low.

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