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 November 2025, there are 7 flights per day flying from Bellingham to Seattle. The most common time of day flights depart is 9:00AM, with 37% of flights taking off in the afternoon.

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

As of November 2025, 55 flights take off from Bellingham and land in Seattle each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

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 November 2025, 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.

$84 Cheap Flights from Bellingham to Seattle in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Bellingham to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:53 am - 12:54 pmBLI-SEA

1h 01mnonstop

8:47 pm - 9:42 pmSEA-BLI

0h 55mnonstop

$178Alaska Airlines

Find Deal

Mon, Mar 2 - Fri, Mar 6

8:05 am - 9:02 amBLI-SEA

0h 57mnonstop

11:20 pm - 12:16 amSEA-BLI

0h 56mnonstop

$188Alaska Airlines

Find Deal

Sat, Dec 20 - Fri, Dec 26

4:21 pm - 5:18 pmBLI-SEA

0h 57mnonstop

9:27 pm - 10:22 pmSEA-BLI

0h 55mnonstop

$198Alaska Airlines

Find Deal

Mon, Dec 15 - Mon, Dec 22

4:21 pm - 5:18 pmBLI-SEA

0h 57mnonstop

2:44 pm - 3:41 pmSEA-BLI

0h 57mnonstop

$207Alaska Airlines

Find Deal

Sun, Dec 7 - Mon, Dec 8

5:20 am - 6:19 amBLI-SEA

0h 59mnonstop

2:44 pm - 3:41 pmSEA-BLI

0h 57mnonstop

$238Alaska Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 6

5:12 pm - 6:11 pmBLI-SEA

0h 59mnonstop

9:31 pm - 10:32 pmSEA-BLI

1h 01mnonstop

$278Alaska Airlines

Find Deal

Mon, Dec 1 - Fri, Dec 5

4:02 pm - 12:10 amBLI-SEA

56h 08m2 stops

6:33 pm - 1:42 pmSEA-BLI

19h 09m1 stop

$336Multiple Airlines

Find Deal

Mon, Dec 15 - Mon, Dec 22

8:30 am - 8:46 amBLI-SEA

24h 16m2 stops

11:01 am - 10:14 pmSEA-BLI

11h 13m1 stop

$390Multiple Airlines

Find Deal

Sun, Dec 7 - Mon, Dec 8

3:32 pm - 10:11 amBLI-SEA

18h 39m1 stop

1:25 pm - 1:42 pmSEA-BLI

24h 17m2 stops

$434Multiple Airlines

Find Deal

Sat, Dec 20 - Fri, Dec 26

3:32 pm - 7:07 amBLI-SEA

15h 35m2 stops

9:27 pm - 10:22 pmSEA-BLI

0h 55mnonstop

$514Multiple Airlines

Find Deal

Sat, Dec 20 - Fri, Dec 26

Alaska Airlines flights from Bellingham to Seattle

Our best Alaska Airlines deals on Bellingham to Seattle flight tickets

Alaska Airlines

Mar 2

BLI11:53 amBellingham

1h 01m

SEA12:54 pmSeattle/Tacoma Intl

Mar 6

SEA2:43 pmSeattle/Tacoma Intl

0h 56m

BLI3:39 pmBellingham

$178

Find similar

Alaska Airlines

Dec 20

BLI8:05 amBellingham

0h 57m

SEA9:02 amSeattle/Tacoma Intl

Dec 26

SEA11:20 pmSeattle/Tacoma Intl

0h 56m

BLI12:16 amBellingham

$188

Find similar

Alaska Airlines

Dec 15

BLI4:21 pmBellingham

0h 57m

SEA5:18 pmSeattle/Tacoma Intl

Dec 22

SEA9:27 pmSeattle/Tacoma Intl

0h 55m

BLI10:22 pmBellingham

$198

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 3/2

11:53 am-12:54 pm

Nonstop1h 01m

Seattle/Tacoma Intl

Fri 3/6

8:47 pm-9:42 pm

Nonstop0h 55m

$178

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 12/20

8:05 am-9:02 am

Nonstop0h 57m

Seattle/Tacoma Intl

Fri 12/26

11:20 pm-12:16 am

Nonstop0h 56m

$188

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 12/15

4:21 pm-5:18 pm

Nonstop0h 57m

Seattle/Tacoma Intl

Mon 12/22

9:27 pm-10:22 pm

Nonstop0h 55m

$198

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sun 12/7

4:21 pm-5:18 pm

Nonstop0h 57m

Seattle/Tacoma Intl

Mon 12/8

2:44 pm-3:41 pm

Nonstop0h 57m

$207

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Tue 12/2

5:20 am-6:19 am

Nonstop0h 59m

Seattle/Tacoma Intl

Sat 12/6

2:44 pm-3:41 pm

Nonstop0h 57m

$238

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 12/1

5:12 pm-6:11 pm

Nonstop0h 59m

Seattle/Tacoma Intl

Fri 12/5

9:31 pm-10:32 pm

Nonstop1h 01m

$278

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Mon 12/15

4:02 pm-12:10 am

2 stops56h 08m

Seattle/Tacoma Intl

Mon 12/22

6:33 pm-1:42 pm

1 stop19h 09m

$336

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sun 12/7

8:30 am-8:46 am

2 stops24h 16m

Seattle/Tacoma Intl

Mon 12/8

11:01 am-10:14 pm

1 stop11h 13m

$390

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 12/20

3:32 pm-10:11 am

1 stop18h 39m

Seattle/Tacoma Intl

Fri 12/26

1:25 pm-1:42 pm

2 stops24h 17m

$434

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Sat 12/20

3:32 pm-7:07 am

2 stops15h 35m

Seattle/Tacoma Intl

Fri 12/26

9:27 pm-10:22 pm

Nonstop0h 55m

$514

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 Thursday. momondo users have found tickets for Thursday departures for as low as $491. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday 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 $606.

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

Flying to Seattle from Bellingham in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $447 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $589. 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 November 2025, prices for Bellingham to Seattle flights are approximately 21% 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	$198
Fastest flight time	0h 53m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Bellingham in the past 72 hours is $198. The best round-trip flight deal from Bellingham to Seattle found on momondo in the last 72 hours is $393.

The fastest flight from Bellingham to Seattle takes 0h 53m

Direct flights go from Bellingham to Seattle every day.

There is 1 airport near Seattle: 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 November 2025, 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 Airbus A319, making up 24.62% of the total bookings. Other popular models include Boeing 737 MAX 8 with 10.77%, Embraer 175 with 10.77%, and Airbus A320-100/200 with 6.15%.
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 11,317 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 15 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

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 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 12/18

Thu 12/25

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Popular cities in the United States

Flights to New Yorkfrom $44

Flights to Los Angelesfrom $50

Flights to Miamifrom $38

Flights to Chicagofrom $50

Flights to Orlandofrom $38

Flights to Las Vegasfrom $45

Flights to San Franciscofrom $54

Flights to Washington, D.C.from $38

Flights to Bostonfrom $53

Flights to Atlantafrom $38

Flights to Dallasfrom $48

Flights to Denverfrom $48

Cheap flights from Bellingham to Seattle from $84

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 12/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Bellingham to Seattle

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Alaska Airlines flights from Bellingham to Seattle

Our best Alaska Airlines deals on Bellingham to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Bellingham to Seattle that are best for you.

See travel insights to Seattle from

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

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 November 2025, prices for Bellingham to Seattle flights are approximately 21% 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 November 2025, there are 7 flights per day flying from Bellingham to Seattle. The most common time of day flights depart is 9:00AM, with 37% of flights taking off in the afternoon.

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

As of November 2025, 55 flights take off from Bellingham and land in Seattle each week. The most common flight departure day for this route is Mon, with 25% 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