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Cheap flights from Seattle to Bellingham from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bellingham departing on 2/7. 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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Cheap round-trip flights

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Alaska Airlines Logo
8:47 pm - 9:42 pmSEA-BLI
0h 55mnonstop
Alaska Airlines Logo
5:15 am - 6:16 amBLI-SEA
1h 01mnonstop
$138Alaska Airlines
Find Deal
Fri, Feb 13 - Sun, Feb 15
Alaska Airlines Logo
2:44 pm - 3:41 pmSEA-BLI
0h 57mnonstop
Alaska Airlines Logo
5:20 am - 6:16 amBLI-SEA
0h 56mnonstop
$158Alaska Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
Alaska Airlines Logo
11:27 am - 12:24 pmSEA-BLI
0h 57mnonstop
Alaska Airlines Logo
4:21 pm - 5:18 pmBLI-SEA
0h 57mnonstop
$197Alaska Airlines
Find Deal
Tue, Dec 9 - Wed, Dec 10
Alaska Airlines Logo
11:20 pm - 12:16 amSEA-BLI
0h 56mnonstop
Alaska Airlines Logo
5:20 am - 6:16 amBLI-SEA
0h 56mnonstop
$208Alaska Airlines
Find Deal
Sat, Dec 27 - Sat, Jan 3
Alaska Airlines Logo
9:46 pm - 10:46 pmSEA-BLI
1h 00mnonstop
Alaska Airlines Logo
5:20 am - 6:19 amBLI-SEA
0h 59mnonstop
$238Alaska Airlines
Find Deal
Sat, Nov 29 - Wed, Dec 3
American Airlines Logo
2:44 pm - 3:41 pmSEA-BLI
0h 57mnonstop
American Airlines Logo
5:20 am - 6:16 amBLI-SEA
0h 56mnonstop
$258American Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
Alaska Airlines Logo
11:15 pm - 12:10 amSEA-BLI
0h 55mnonstop
Alaska Airlines Logo
4:21 pm - 5:18 pmBLI-SEA
0h 57mnonstop
$278Alaska Airlines
Find Deal
Sun, Nov 30 - Thu, Dec 4
Multiple Airlines Logo
6:18 pm - 10:14 pmSEA-BLI
27h 56m1 stop
Multiple Airlines Logo
4:15 pm - 12:30 pmBLI-SEA
20h 15m2 stops
$311Multiple Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
American Airlines Logo
11:15 pm - 12:10 amSEA-BLI
0h 55mnonstop
American Airlines Logo
5:20 am - 6:19 amBLI-SEA
0h 59mnonstop
$318American Airlines
Find Deal
Sat, Nov 29 - Wed, Dec 3
Alaska Airlines Logo
9:46 pm - 10:46 pmSEA-BLI
1h 00mnonstop
Alaska Airlines Logo
5:12 pm - 6:11 pmBLI-SEA
0h 59mnonstop
$328Alaska Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1

Alaska Airlines flights from Seattle to Bellingham

Our best Alaska Airlines deals on Seattle to Bellingham flight tickets
Alaska Airlines
Feb 13
SEA8:47 pmSeattle/Tacoma Intl
0h 55m
BLI9:42 pmBellingham
Feb 15
BLI5:15 amBellingham
1h 01m
SEA6:16 amSeattle/Tacoma Intl
$138
Find similar
Alaska Airlines
Dec 14
SEA2:44 pmSeattle/Tacoma Intl
0h 57m
BLI3:41 pmBellingham
Dec 21
BLI5:20 amBellingham
0h 56m
SEA6:16 amSeattle/Tacoma Intl
$158
Find similar
Alaska Airlines
Apr 8
SEA9:15 pmSeattle/Tacoma Intl
0h 52m
BLI10:07 pmBellingham
Apr 9
BLI12:58 pmBellingham
0h 51m
SEA1:49 pmSeattle/Tacoma Intl
$178
Find similar

American Airlines flights from Seattle to Bellingham

Our best American Airlines deals on Seattle to Bellingham flight tickets
American Airlines
Dec 14
SEA2:44 pmSeattle/Tacoma Intl
0h 57m
BLI3:41 pmBellingham
Dec 21
BLI5:20 amBellingham
0h 56m
SEA6:16 amSeattle/Tacoma Intl
$258
Find similar
American Airlines
Mar 13
SEA11:02 pmSeattle/Tacoma Intl
0h 57m
BLI11:59 pmBellingham
Mar 28
BLI5:20 amBellingham
0h 49m
SEA6:09 amSeattle/Tacoma Intl
$298
Find similar
American Airlines
Nov 29
SEA11:15 pmSeattle/Tacoma Intl
0h 55m
BLI12:10 amBellingham
Dec 3
BLI5:20 amBellingham
0h 59m
SEA6:19 amSeattle/Tacoma Intl
$318
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Bellingham that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Seattle to Bellingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Fri 2/13

8:47 pm-9:42 pm

Nonstop0h 55m

Bellingham

Sun 2/15

5:15 am-6:16 am

Nonstop1h 01m

$138

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 12/14

2:44 pm-3:41 pm

Nonstop0h 57m

Bellingham

Sun 12/21

5:20 am-6:16 am

Nonstop0h 56m

$158

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Tue 12/9

11:27 am-12:24 pm

Nonstop0h 57m

Bellingham

Wed 12/10

4:21 pm-5:18 pm

Nonstop0h 57m

$197

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 12/27

11:20 pm-12:16 am

Nonstop0h 56m

Bellingham

Sat 1/3

5:20 am-6:16 am

Nonstop0h 56m

$208

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 11/29

9:46 pm-10:46 pm

Nonstop1h 00m

Bellingham

Wed 12/3

5:20 am-6:19 am

Nonstop0h 59m

$238

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 12/14

2:44 pm-3:41 pm

Nonstop0h 57m

Bellingham

Sun 12/21

5:20 am-6:16 am

Nonstop0h 56m

$258

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 11/30

11:15 pm-12:10 am

Nonstop0h 55m

Bellingham

Thu 12/4

4:21 pm-5:18 pm

Nonstop0h 57m

$278

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sun 12/14

6:18 pm-10:14 pm

1 stop27h 56m

Bellingham

Sun 12/21

4:15 pm-12:30 pm

2 stops20h 15m

$311

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 11/29

11:15 pm-12:10 am

Nonstop0h 55m

Bellingham

Wed 12/3

5:20 am-6:19 am

Nonstop0h 59m

$318

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Tue 11/25

9:46 pm-10:46 pm

Nonstop1h 00m

Bellingham

Mon 12/1

5:12 pm-6:11 pm

Nonstop0h 59m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bellingham from

How to get the cheapest flight ticket from Seattle to Bellingham

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 Bellingham?

The cheapest month to fly to Bellingham from Seattle is in January. Flight prices, which tend to average around $152, are often lower during this time because this is during the off-season. If you are unable to visit Bellingham during the month of January, then departing from Seattle during the month June is also very affordable. Most momondo users find prices during this month for around $158.

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

On average, the least expensive day to fly to Bellingham from Seattle is on a Sunday. momondo users have found tickets for Sunday departures for as low as $158. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Bellingham for around $278.

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

The cheapest time of day to fly to Bellingham is at noon when flights can be purchased for as low as $188. In the afternoon is when there is more demand to fly to Bellingham, so prices are often more expensive at around $308 per ticket.

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

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

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

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Bellingham flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Bellingham flight prices changed over time?

As of November 2025, prices for Seattle to Bellingham flights are approximately 51% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Bellingham

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

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

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

Best Price Found

$174

Fastest flight time

0h 52m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Bellingham

1 airport
The best one-way flight to Bellingham from Seattle in the past 72 hours is $174. The best round-trip flight deal from Seattle to Bellingham found on momondo in the last 72 hours is $137.
The fastest flight from Seattle to Bellingham takes 0h 52m
Direct flights go from Seattle to Bellingham on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Bellingham: Bellingham (BLI)
Search flight deals

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

    A flight from Seattle/Tacoma Intl to Bellingham will travel around 79.4 mi. In terms of flight time, this usually takes a little over 0h 52m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Bellingham Airport.

  • What documentation or ID do you need to fly to Bellingham Airport?

    The travel and health documents required for your trip to Bellingham Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bellingham Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • What is the most popular airline from Seattle to Bellingham?

Best airlines flying from Seattle to Bellingham

Compare and see reviews for airlines that fly from Seattle to Bellingham with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $137Free CancellationRating
8.0
11,312 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Bellingham

    Alaska Airlines is one of the most popular airlines flying from Seattle to Bellingham, operating 27 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Bellingham starts from $137 round-trip, up to an average price of $217. Our users have rated Alaska Airlines at 8.0/10.

Traveling to a place near Bellingham?

Book flights to Bellingham if you plan to visit one of these locations
Mount Vernon
Burlington
Ferndale
Blaine

Why use momondo?

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

It is quick and easy to find Seattle to Bellingham flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bellingham that suits you.

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

Yes. momondo allows you to filter the results for Seattle to Bellingham flights to just show those with flexible booking policies.

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

Once you have performed a search for Seattle to Bellingham 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 Seattle to Bellingham right now. Can momondo alert me if prices change?

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

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