What is the cheapest airline that flies from Burlington to Seattle/Tacoma Intl?

American Airlines is the most popular carrier operating from Burlington to Seattle/Tacoma Intl

What airlines fly to Seattle?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Seattle from Burlington according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Burlington Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Burlington Airport to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Burlington Airport to Seattle/Tacoma Intl Airport?

There are 3 operators available for flights from Burlington Airport to Seattle/Tacoma Intl Airport as of December 2025.

How old do you have to be to fly from Burlington Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Burlington Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$230 Cheap Flights from Burlington to Seattle in 2025/26

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Find the cheapest flights from Burlington to Seattle

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 pm - 8:00 pm

BTV

SEA

9h 35m1 stop

1:30 pm - 11:19 pm

SEA

BTV

6h 49m1 stop

$329Delta

Wed, Jan 21 - Sat, Jan 24

1:25 pm - 10:25 pm

BTV

SEA

12h 00m1 stop

11:10 pm - 12:45 pm

SEA

BTV

10h 35m2 stops

$334Delta

Wed, Jan 21 - Sun, Jan 25

6:00 am - 2:21 pm

BTV

SEA

11h 21m2 stops

11:10 pm - 12:45 pm

SEA

BTV

10h 35m2 stops

$339Delta

Wed, Jan 21 - Mon, Jan 26

3:50 pm - 10:16 pm

BTV

SEA

9h 26m1 stop

11:15 am - 12:04 am

SEA

BTV

9h 49m1 stop

$354Delta

Tue, May 12 - Mon, May 18

6:00 am - 7:43 pm

BTV

SEA

16h 43m2 stops

1:30 pm - 11:19 pm

SEA

BTV

6h 49m1 stop

$358Delta

Fri, Jan 23 - Sat, Jan 24

4:51 pm - 9:49 pm

BTV

SEA

7h 58m1 stop

6:05 am - 4:11 pm

SEA

BTV

7h 06m1 stop

$359Delta

Wed, Jan 14 - Wed, Jan 21

6:00 am - 7:43 pm

BTV

SEA

16h 43m2 stops

11:10 pm - 12:45 pm

SEA

BTV

10h 35m2 stops

$363Delta

Fri, Jan 23 - Mon, Jan 26

10:12 am - 6:14 pm

BTV

SEA

11h 02m1 stop

8:40 am - 10:40 pm

SEA

BTV

11h 00m2 stops

$364United Airlines

Wed, Jan 14 - Wed, Jan 21

9:48 am - 6:14 pm

BTV

SEA

11h 26m2 stops

8:40 am - 9:29 pm

SEA

BTV

9h 49m2 stops

$369United Airlines

Wed, Jan 14 - Wed, Jan 21

4:51 pm - 9:49 pm

BTV

SEA

7h 58m1 stop

5:00 am - 11:19 pm

SEA

BTV

15h 19m2 stops

$371Delta

Sun, Jan 18 - Sat, Jan 24

American Airlines flights from Burlington to Seattle

Our best American Airlines deals on Burlington to Seattle flight tickets

American Airlines

Jan 10

BTV8:43 amBurlington

15h 02m

2 stops

SEA8:45 pmSeattle/Tacoma Intl

Jan 14

SEA8:35 amSeattle/Tacoma Intl

12h 23m

2 stops

BTV11:58 pmBurlington

$399

Find similar

American Airlines

May 13

BTV1:25 pmBurlington

11h 21m

1 stop

SEA9:46 pmSeattle/Tacoma Intl

May 18

SEA11:33 pmSeattle/Tacoma Intl

9h 18m

1 stop

BTV11:51 amBurlington

$417

Find similar

American Airlines

May 13

BTV1:25 pmBurlington

12h 40m

2 stops

SEA11:05 pmSeattle/Tacoma Intl

May 18

SEA11:33 pmSeattle/Tacoma Intl

9h 18m

1 stop

BTV11:51 amBurlington

$422

Find similar

Delta flights from Burlington to Seattle

Our best Delta deals on Burlington to Seattle flight tickets

Delta

Jan 21

BTV1:25 pmBurlington

9h 35m

1 stop

SEA8:00 pmSeattle/Tacoma Intl

Jan 24

SEA1:30 pmSeattle/Tacoma Intl

6h 49m

1 stop

BTV11:19 pmBurlington

$329

Find similar

Delta

Jan 21

BTV1:25 pmBurlington

12h 00m

1 stop

SEA10:25 pmSeattle/Tacoma Intl

Jan 25

SEA11:10 pmSeattle/Tacoma Intl

10h 35m

2 stops

BTV12:45 pmBurlington

$334

Find similar

Delta

Jan 21

BTV6:00 amBurlington

11h 21m

2 stops

SEA2:21 pmSeattle/Tacoma Intl

Jan 26

SEA11:10 pmSeattle/Tacoma Intl

10h 35m

2 stops

BTV12:45 pmBurlington

$339

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Wed 1/21

1:25 pm-8:00 pm

1 stop9h 35m

Seattle/Tacoma Intl

Sat 1/24

1:30 pm-11:19 pm

1 stop6h 49m

$329

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Wed 1/21

1:25 pm-10:25 pm

1 stop12h 00m

Seattle/Tacoma Intl

Sun 1/25

11:10 pm-12:45 pm

2 stops10h 35m

$334

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Wed 1/21

6:00 am-2:21 pm

2 stops11h 21m

Seattle/Tacoma Intl

Mon 1/26

11:10 pm-12:45 pm

2 stops10h 35m

$339

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Tue 5/12

3:50 pm-10:16 pm

1 stop9h 26m

Seattle/Tacoma Intl

Mon 5/18

11:15 am-12:04 am

1 stop9h 49m

$354

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Fri 1/23

6:00 am-7:43 pm

2 stops16h 43m

Seattle/Tacoma Intl

Sat 1/24

1:30 pm-11:19 pm

1 stop6h 49m

$358

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Wed 1/14

4:51 pm-9:49 pm

1 stop7h 58m

Seattle/Tacoma Intl

Wed 1/21

6:05 am-4:11 pm

1 stop7h 06m

$359

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Fri 1/23

6:00 am-7:43 pm

2 stops16h 43m

Seattle/Tacoma Intl

Mon 1/26

11:10 pm-12:45 pm

2 stops10h 35m

$363

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Wed 1/14

10:12 am-6:14 pm

1 stop11h 02m

Seattle/Tacoma Intl

Wed 1/21

8:40 am-10:40 pm

2 stops11h 00m

$364

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Wed 1/14

9:48 am-6:14 pm

2 stops11h 26m

Seattle/Tacoma Intl

Wed 1/21

8:40 am-9:29 pm

2 stops9h 49m

$369

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

Sun 1/18

4:51 pm-9:49 pm

1 stop7h 58m

Seattle/Tacoma Intl

Sat 1/24

5:00 am-11:19 pm

2 stops15h 19m

$371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Burlington to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Burlington to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $408. If you don’t want to visit Seattle in January, then you should wait until October to fly from Burlington, when ticket prices are also cheap, with an average price of $411.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Burlington is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $657. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Burlington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $889.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Burlington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $683 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $728. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Burlington when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $532 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Burlington for as low as $426 on momondo.

How have Burlington to Seattle flight prices changed over time?

As of December 2025, prices for Burlington to Seattle flights are approximately 183% more expensive when compared to flights at the same time last year.

When to book flights from Burlington to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Burlington to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Burlington to Seattle (BTV to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Burlington to Seattle

Fastest flight time	8h 40m
Direct flights	None

The fastest flight from Burlington to Seattle takes 8h 40m

There are no direct flights from Burlington to Seattle. There are no popular flight routes from Burlington to Seattle.

Search flight deals

How far is Burlington to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 2324.7 mi away from Burlington. By plane, this route typically takes 8h 40m.
When did momondo last update prices for flights from Burlington Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Burlington Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Burlington Airport to Seattle/Tacoma Intl Airport?
There are 3 operators available for flights from Burlington Airport to Seattle/Tacoma Intl Airport as of December 2025.
How old do you have to be to fly from Burlington Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Burlington Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Burlington to Seattle?
Based on momondo bookings for flights between Burlington and Seattle, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include American Airlines with 30% and Delta with 16%.

Best airlines flying from Burlington to Seattle

Compare and see reviews for airlines that fly from Burlington to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 11,072 reviews	Search American Airlines flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 9,113 reviews	Search United Airlines flights

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Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Federal Way

Cle Elum

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Burlington to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Burlington.

Can I find flights from Burlington to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Burlington with this policy.

How can momondo help me find flights from Burlington to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Burlington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Burlington to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Burlington and alert you when they change.