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

Alaska Airlines is the most popular carrier operating from Bellingham to Seattle/Tacoma Intl

How many flights depart from Bellingham to Seattle on average per week?

As of January 2026, 75 flights take off from Bellingham and land in Seattle each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

How many flights depart from Bellingham to Seattle on average per day?

As of January 2026, there are 10 flights per day flying from Bellingham to Seattle. The most common time of day flights depart is 9:00AM, with 41% of flights taking off at noon.

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

Prices for flights from Bellingham Airport to Seattle/Tacoma Intl Airport refresh daily.

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

As of January 2026, there is 1 operator available to choose from for flights from Bellingham Airport to Seattle/Tacoma Intl Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bellingham Airport to Seattle/Tacoma Intl Airport.

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

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$92 Cheap Flights from Bellingham to Seattle in 2026

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Cheap round-trip flights

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5:53 pm - 6:50 pm

BLI

SEA

0h 57mnonstop

12:10 pm - 1:14 pm

SEA

BLI

1h 04mnonstop

$167Alaska Airlines

Sat, May 30 - Tue, Jun 16

11:53 am - 12:54 pm

BLI

SEA

1h 01mnonstop

11:20 am - 12:16 pm

SEA

BLI

0h 56mnonstop

$187Alaska Airlines

Wed, Mar 11 - Mon, Apr 6

8:00 am - 11:53 am

BLI

SEA

3h 53m

1 stop

11:11 pm - 12:09 am

SEA

BLI

0h 58mnonstop

$197Alaska Airlines

Sat, May 30 - Tue, Jun 16

11:53 am - 12:54 pm

BLI

SEA

1h 01mnonstop

10:12 am - 11:13 am

SEA

BLI

1h 01mnonstop

$207Alaska Airlines

Mon, Mar 9 - Fri, Mar 13

3:55 pm - 4:56 pm

BLI

SEA

1h 01mnonstop

11:30 am - 10:50 pm

SEA

BLI

11h 20m

1 stop

$215Alaska Airlines

Wed, Mar 11 - Mon, Apr 6

11:53 am - 12:54 pm

BLI

SEA

1h 01mnonstop

10:12 am - 11:13 am

SEA

BLI

1h 01mnonstop

$242Alaska Airlines

Mon, Feb 16 - Mon, Feb 23

11:53 am - 12:54 pm

BLI

SEA

1h 01mnonstop

3:28 pm - 4:24 pm

SEA

BLI

0h 56mnonstop

$243Alaska Airlines

Sat, Feb 14 - Sat, Feb 14

11:53 am - 12:54 pm

BLI

SEA

1h 01mnonstop

10:12 am - 11:13 am

SEA

BLI

1h 01mnonstop

$257Alaska Airlines

Fri, Feb 13 - Tue, Feb 17

9:15 am - 10:31 am

BLI

SEA

1h 16mnonstop

3:28 pm - 4:24 pm

SEA

BLI

0h 56mnonstop

$267Alaska Airlines

Tue, Feb 10 - Sat, Feb 14

3:55 pm - 4:56 pm

BLI

SEA

1h 01mnonstop

10:34 pm - 10:50 pm

SEA

BLI

24h 16m

2 stops

$288Alaska Airlines

Wed, Mar 11 - Mon, Apr 6

Alaska Airlines flights from Bellingham to Seattle

Our best Alaska Airlines deals on Bellingham to Seattle flight tickets

Alaska Airlines

May 30

BLI5:53 pmBellingham

0h 57m

SEA6:50 pmSeattle/Tacoma Intl

Jun 16

SEA12:10 pmSeattle/Tacoma Intl

1h 04m

BLI1:14 pmBellingham

$167

Alaska Airlines

Mar 11

BLI11:53 amBellingham

1h 01m

SEA12:54 pmSeattle/Tacoma Intl

Apr 6

SEA11:20 amSeattle/Tacoma Intl

0h 56m

BLI12:16 pmBellingham

$187

Alaska Airlines

May 30

BLI8:00 amBellingham

3h 53m

1 stop

SEA11:53 amSeattle/Tacoma Intl

Jun 16

SEA11:11 pmSeattle/Tacoma Intl

0h 58m

BLI12:09 amBellingham

$197

Fly from

Fly to

Route

Depart

Return

Price

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 5/30

5:53 pm-6:50 pm

Nonstop0h 57m

Seattle/Tacoma Intl

Tue 6/16

12:10 pm-1:14 pm

Nonstop1h 04m

$167

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Wed 3/11

11:53 am-12:54 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Mon 4/6

11:20 am-12:16 pm

Nonstop0h 56m

$187

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 5/30

8:00 am-11:53 am

1 stop3h 53m

Seattle/Tacoma Intl

Tue 6/16

11:11 pm-12:09 am

Nonstop0h 58m

$197

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 3/9

11:53 am-12:54 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Fri 3/13

10:12 am-11:13 am

Nonstop1h 01m

$207

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Wed 3/11

3:55 pm-4:56 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Mon 4/6

11:30 am-10:50 pm

1 stop11h 20m

$215

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 2/16

11:53 am-12:54 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Mon 2/23

10:12 am-11:13 am

Nonstop1h 01m

$242

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 2/14

11:53 am-12:54 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Sat 2/14

3:28 pm-4:24 pm

Nonstop0h 56m

$243

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Fri 2/13

11:53 am-12:54 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Tue 2/17

10:12 am-11:13 am

Nonstop1h 01m

$257

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Tue 2/10

9:15 am-10:31 am

Nonstop1h 16m

Seattle/Tacoma Intl

Sat 2/14

3:28 pm-4:24 pm

Nonstop0h 56m

$267

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Wed 3/11

3:55 pm-4:56 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Mon 4/6

10:34 pm-10:50 pm

2 stops24h 16m

$288

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 Bellingham 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

Other information

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Bellingham to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $147. If you don’t want to visit Seattle in February, then you should wait until June to fly from Bellingham, when ticket prices are also cheap, with an average price of $152.

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

On average, the least expensive day to fly to Seattle from Bellingham is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $478. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Bellingham because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $620.

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

Flying to Seattle from Bellingham at noon is the least expensive time of day to depart. momondo users have found prices as low as $452 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $574. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Bellingham to Seattle/Tacoma Intl flight route?

Fly from Bellingham to Seattle/Tacoma Intl for the best Bellingham - Seattle/Tacoma Intl flight prices

What cabin class options are available on Bellingham to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Bellingham to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Bellingham to Seattle flight prices changed over time?

As of January 2026, prices for Bellingham to Seattle flights are approximately 78% cheaper when compared to flights at the same time last year.

When to book flights from Bellingham to Seattle

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

Estimated round-trip price

Cheap Bellingham to Seattle (BLI to SEA) flight deals and tips

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

Best Price Found	$191
Fastest flight time	0h 57m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Bellingham in the past 72 hours is $191. The best round-trip flight deal from Bellingham to Seattle found on momondo in the last 72 hours is $340.

The fastest flight from Bellingham to Seattle takes 0h 57m

Direct flights go from Bellingham to Seattle every day.

There is 1 airport in Seattle. From Bellingham there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is Bellingham to Seattle/Tacoma Intl by plane?
There are 79.4 mi between Bellingham and Seattle/Tacoma Intl. By plane, this route typically takes 0h 57m.
When did momondo last update prices for flights from Bellingham Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Bellingham Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Bellingham Airport to Seattle/Tacoma Intl Airport?
As of January 2026, there is 1 operator available to choose from for flights from Bellingham Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Bellingham Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bellingham Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Bellingham to Seattle?
Based on momondo bookings for flights between Bellingham and Seattle, the leading plane model is Embraer 175, making up 19.51% of the total bookings. Other popular models include Airbus A319 with 14.63%, Boeing 737 MAX 9 with 13.41%, and Boeing 737 MAX 8 with 10.98%.
What is the most popular airline from Bellingham to Seattle?
momondo data reveals that the most frequently booked airline on the route from Bellingham to Seattle is Alaska Airlines, representing 100% of all bookings.

Best airlines flying from Bellingham to Seattle

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $127	Free Cancellation	Rating 8.0 11,802 reviews		Search Alaska Airlines flights

Alaska Airlines Flights From Bellingham to Seattle
Alaska Airlines is one of the most popular airlines flying from Bellingham to Seattle, operating 20 flights/week on average for this route. A good Alaska Airlines flight deal for Bellingham to Seattle starts from $127 round-trip, up to an average price of $258. Our users have rated Alaska Airlines at 8.0/10.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Cle Elum

Tukwila

Lakewood

Federal Way

Centralia

Westport

Kirkland

Fife

Tumwater

Why use momondo?

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

Finding the right flight to Seattle from Bellingham is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

Flights from Bellingham to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Bellingham to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Seattle from Bellingham are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Bellingham to Seattle from $92

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bellingham to Seattle departing on 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Alaska Airlines flights from Bellingham to Seattle

Our best Alaska Airlines deals on Bellingham to Seattle flight tickets

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How to get the cheapest flight ticket from Bellingham to Seattle

What is the cheapest month to fly to Seattle?

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

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

What is the cheapest Bellingham to Seattle/Tacoma Intl flight route?

Fly from Bellingham to Seattle/Tacoma Intl for the best Bellingham - Seattle/Tacoma Intl flight prices

What cabin class options are available on Bellingham to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Bellingham to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Bellingham to Seattle flight prices changed over time?

As of January 2026, prices for Bellingham to Seattle flights are approximately 78% cheaper when compared to flights at the same time last year.

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

Alaska Airlines is the most popular carrier operating from Bellingham to Seattle/Tacoma Intl

How many flights depart from Bellingham to Seattle on average per day?

As of January 2026, there are 10 flights per day flying from Bellingham to Seattle. The most common time of day flights depart is 9:00AM, with 41% of flights taking off at noon.

How many flights depart from Bellingham to Seattle on average per week?

As of January 2026, 75 flights take off from Bellingham and land in Seattle each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.

When to book flights from Bellingham to Seattle

Cheap Bellingham to Seattle (BLI to SEA) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

How far is Bellingham to Seattle/Tacoma Intl by plane?

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

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

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

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

What is the most popular plane model from Bellingham to Seattle?

What is the most popular airline from Bellingham to Seattle?

Best airlines flying from Bellingham to Seattle

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

Alaska Airlines Flights From Bellingham to Seattle

Traveling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington