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 51% 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 November 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.

$213 Cheap Flights from Burlington to Seattle in 2025/26

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Find the cheapest flights from Burlington to Seattle

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One-way

Cheap round-trip flights

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7:10 am - 2:21 pmBTV-SEA

10h 11m1 stop

1:30 pm - 11:19 pmSEA-BTV

6h 49m1 stop

$309Delta

Find Deal

vie., ene. 23 - mar., ene. 27

7:10 am - 2:21 pmBTV-SEA

10h 11m1 stop

8:00 am - 11:10 pmSEA-BTV

12h 10m2 stops

$314Delta

Find Deal

vie., ene. 23 - mar., ene. 27

6:00 am - 2:21 pmBTV-SEA

11h 21m2 stops

8:00 am - 11:10 pmSEA-BTV

12h 10m2 stops

$319Delta

Find Deal

vie., ene. 23 - mar., ene. 27

4:55 pm - 10:25 pmBTV-SEA

8h 30m1 stop

11:30 am - 11:33 pmSEA-BTV

9h 03m1 stop

$349Delta

Find Deal

mié., dic. 10 - mié., dic. 17

5:45 am - 2:45 pmBTV-SEA

12h 00m2 stops

11:30 am - 11:33 pmSEA-BTV

9h 03m1 stop

$354Delta

Find Deal

mié., dic. 10 - mié., dic. 17

4:11 pm - 10:43 pmBTV-SEA

9h 32m1 stop

10:58 am - 9:29 pmSEA-BTV

7h 31m1 stop

$375United Airlines

Find Deal

vie., ene. 9 - lun., ene. 19

6:00 am - 11:49 amBTV-SEA

8h 49m1 stop

7:10 pm - 9:56 amSEA-BTV

11h 46m2 stops

$393United Airlines

Find Deal

vie., feb. 13 - lun., feb. 16

6:00 am - 11:49 amBTV-SEA

8h 49m1 stop

7:10 pm - 9:56 amSEA-BTV

11h 46m2 stops

$394United Airlines

Find Deal

vie., feb. 13 - lun., feb. 16

6:50 am - 2:18 pmBTV-SEA

10h 28m1 stop

11:30 am - 11:33 pmSEA-BTV

9h 03m1 stop

$414Delta

Find Deal

vie., dic. 12 - lun., dic. 15

6:50 am - 2:18 pmBTV-SEA

10h 28m1 stop

11:59 pm - 4:15 pmSEA-BTV

13h 16m2 stops

$419Delta

Find Deal

vie., dic. 12 - lun., dic. 15

United Airlines flights from Burlington to Seattle

Our best United Airlines deals on Burlington to Seattle flight tickets

United Airlines

Jan 9

BTV4:11 pmBurlington

9h 32m

1 stop

SEA10:43 pmSeattle/Tacoma Intl

Jan 19

SEA10:58 amSeattle/Tacoma Intl

7h 31m

1 stop

BTV9:29 pmBurlington

$375

Find similar

United Airlines

Feb 13

BTV6:00 amBurlington

8h 49m

1 stop

SEA11:49 amSeattle/Tacoma Intl

Feb 16

SEA7:10 pmSeattle/Tacoma Intl

11h 46m

2 stops

BTV9:56 amBurlington

$393

Find similar

United Airlines

Feb 13

BTV6:00 amBurlington

8h 49m

1 stop

SEA11:49 amSeattle/Tacoma Intl

Feb 16

SEA7:10 pmSeattle/Tacoma Intl

11h 46m

2 stops

BTV9:56 amBurlington

$394

Find similar

American Airlines flights from Burlington to Seattle

Our best American Airlines deals on Burlington to Seattle flight tickets

American Airlines

May 5

BTV5:25 amBurlington

12h 03m

2 stops

SEA2:28 pmSeattle/Tacoma Intl

May 12

SEA10:36 pmSeattle/Tacoma Intl

10h 13m

2 stops

BTV11:49 amBurlington

$417

Find similar

American Airlines

Dec 10

BTV5:20 amBurlington

13h 04m

2 stops

SEA3:24 pmSeattle/Tacoma Intl

Dec 17

SEA10:38 amSeattle/Tacoma Intl

10h 57m

2 stops

BTV12:35 amBurlington

$457

Find similar

American Airlines

May 5

BTV1:25 pmBurlington

11h 21m

1 stop

SEA9:46 pmSeattle/Tacoma Intl

May 11

SEA1:33 amSeattle/Tacoma Intl

10h 22m

2 stops

BTV2:55 pmBurlington

$471

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 1/23

7:10 am-2:21 pm

1 stop10h 11m

Seattle/Tacoma Intl

mar. 1/27

1:30 pm-11:19 pm

1 stop6h 49m

$309

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 1/23

7:10 am-2:21 pm

1 stop10h 11m

Seattle/Tacoma Intl

mar. 1/27

8:00 am-11:10 pm

2 stops12h 10m

$314

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 1/23

6:00 am-2:21 pm

2 stops11h 21m

Seattle/Tacoma Intl

mar. 1/27

8:00 am-11:10 pm

2 stops12h 10m

$319

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

mié. 12/10

4:55 pm-10:25 pm

1 stop8h 30m

Seattle/Tacoma Intl

mié. 12/17

11:30 am-11:33 pm

1 stop9h 03m

$349

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

mié. 12/10

5:45 am-2:45 pm

2 stops12h 00m

Seattle/Tacoma Intl

mié. 12/17

11:30 am-11:33 pm

1 stop9h 03m

$354

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 1/9

4:11 pm-10:43 pm

1 stop9h 32m

Seattle/Tacoma Intl

lun. 1/19

10:58 am-9:29 pm

1 stop7h 31m

$375

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 2/13

6:00 am-11:49 am

1 stop8h 49m

Seattle/Tacoma Intl

lun. 2/16

7:10 pm-9:56 am

2 stops11h 46m

$393

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 2/13

6:00 am-11:49 am

1 stop8h 49m

Seattle/Tacoma Intl

lun. 2/16

7:10 pm-9:56 am

2 stops11h 46m

$394

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 12/12

6:50 am-2:18 pm

1 stop10h 28m

Seattle/Tacoma Intl

lun. 12/15

11:30 am-11:33 pm

1 stop9h 03m

$414

BurlingtonSeattle

BTV - SEA

BTVSEA

Burlington

vie. 12/12

6:50 am-2:18 pm

1 stop10h 28m

Seattle/Tacoma Intl

lun. 12/15

11:59 pm-4:15 pm

2 stops13h 16m

$419

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 $403. 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 $531 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 November 2025, prices for Burlington to Seattle flights are approximately 290% 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 30m
Direct flights	None

The fastest flight from Burlington to Seattle takes 8h 30m

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 20m.
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 November 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 53% of the total bookings. Other popular airlines include American Airlines with 30% and Delta with 17%.

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 7,998 reviews	Search Delta flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
United Airlines	PriceFrom $312	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights

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Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

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.