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Cheap flights from Seattle to Bellingham from $148

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 6/14. 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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0 bags

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Find the cheapest flights from Seattle to Bellingham

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
11:00 pm - 11:59 pm
SEA
-
BLI
0h 59mnonstop
Alaska Airlines Logo
7:26 pm - 8:25 pm
BLI
-
SEA
0h 59mnonstop
$187Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
Alaska Airlines Logo
11:01 pm - 11:59 pm
SEA
-
BLI
0h 58mnonstop
Alaska Airlines Logo
5:26 pm - 6:25 pm
BLI
-
SEA
0h 59mnonstop
$237Alaska Airlines
Mon, Jun 15 - Sun, Jun 21
Alaska Airlines Logo
11:01 pm - 11:59 pm
SEA
-
BLI
0h 58mnonstop
Alaska Airlines Logo
5:26 pm - 6:25 pm
BLI
-
SEA
0h 59mnonstop
$247Alaska Airlines
Mon, Jun 15 - Mon, Jun 22
Alaska Airlines Logo
5:40 pm - 6:39 pm
SEA
-
BLI
0h 59mnonstop
Alaska Airlines Logo
7:00 am - 10:17 am
BLI
-
SEA
3h 17m
1 stop
$252Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
Alaska Airlines Logo
3:50 pm - 4:46 pm
SEA
-
BLI
0h 56mnonstop
Alaska Airlines Logo
5:26 pm - 6:25 pm
BLI
-
SEA
0h 59mnonstop
$267Alaska Airlines
Wed, Jun 10 - Tue, Jun 16
Alaska Airlines Logo
11:08 pm - 12:06 am
SEA
-
BLI
0h 58mnonstop
Alaska Airlines Logo
8:30 am - 1:03 pm
BLI
-
SEA
4h 33m
1 stop
$277Alaska Airlines
Sat, Jul 11 - Tue, Jul 14
Alaska Airlines Logo
11:01 pm - 11:59 pm
SEA
-
BLI
0h 58mnonstop
Alaska Airlines Logo
5:26 pm - 6:25 pm
BLI
-
SEA
0h 59mnonstop
$282Alaska Airlines
Thu, Jun 11 - Thu, Jun 18
American Airlines Logo
11:01 pm - 11:59 pm
SEA
-
BLI
0h 58mnonstop
American Airlines Logo
6:00 am - 6:53 am
BLI
-
SEA
0h 53mnonstop
$307American Airlines
Fri, Jun 19 - Fri, Jun 26
Alaska Airlines Logo
6:51 pm - 10:31 pm
SEA
-
BLI
3h 40m
1 stop
Alaska Airlines Logo
7:00 am - 11:58 am
BLI
-
SEA
4h 58m
1 stop
$312Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
Alaska Airlines Logo
11:10 pm - 12:07 am
SEA
-
BLI
0h 57mnonstop
Alaska Airlines Logo
5:53 pm - 6:50 pm
BLI
-
SEA
0h 57mnonstop
$327Alaska Airlines
Fri, Jun 5 - Tue, Jun 9

Alaska Airlines flights from Seattle to Bellingham

Our best Alaska Airlines deals on Seattle to Bellingham flight tickets
Alaska Airlines
Sep 5
SEA5:40 pmSeattle/Tacoma Intl
0h 59m
BLI6:39 pmBellingham
Sep 12
BLI2:06 pmBellingham
0h 59m
SEA3:05 pmSeattle/Tacoma Intl
$187
Alaska Airlines
Jun 15
SEA11:01 pmSeattle/Tacoma Intl
0h 58m
BLI11:59 pmBellingham
Jun 21
BLI5:26 pmBellingham
0h 59m
SEA6:25 pmSeattle/Tacoma Intl
$237
Alaska Airlines
Jun 15
SEA11:01 pmSeattle/Tacoma Intl
0h 58m
BLI11:59 pmBellingham
Jun 22
BLI5:26 pmBellingham
0h 59m
SEA6:25 pmSeattle/Tacoma Intl
$247

American Airlines flights from Seattle to Bellingham

Our best American Airlines deals on Seattle to Bellingham flight tickets
American Airlines
Jun 19
SEA11:01 pmSeattle/Tacoma Intl
0h 58m
BLI11:59 pmBellingham
Jun 26
BLI6:00 amBellingham
0h 53m
SEA6:53 amSeattle/Tacoma Intl
$307
American Airlines
Jun 15
SEA11:01 pmSeattle/Tacoma Intl
0h 58m
BLI11:59 pmBellingham
Jun 21
BLI6:00 amBellingham
0h 53m
SEA6:53 amSeattle/Tacoma Intl
$522

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 May 22, 2026.
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

Cheapest round-trip

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 9/5

11:00 pm-11:59 pm

Nonstop0h 59m

Bellingham

Sat 9/12

7:26 pm-8:25 pm

Nonstop0h 59m

$187

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Mon 6/15

11:01 pm-11:59 pm

Nonstop0h 58m

Bellingham

Sun 6/21

5:26 pm-6:25 pm

Nonstop0h 59m

$237

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Mon 6/15

11:01 pm-11:59 pm

Nonstop0h 58m

Bellingham

Mon 6/22

5:26 pm-6:25 pm

Nonstop0h 59m

$247

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 9/5

5:40 pm-6:39 pm

Nonstop0h 59m

Bellingham

Sat 9/12

7:00 am-10:17 am

1 stop3h 17m

$252

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Wed 6/10

3:50 pm-4:46 pm

Nonstop0h 56m

Bellingham

Tue 6/16

5:26 pm-6:25 pm

Nonstop0h 59m

$267

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 7/11

11:08 pm-12:06 am

Nonstop0h 58m

Bellingham

Tue 7/14

8:30 am-1:03 pm

1 stop4h 33m

$277

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Thu 6/11

11:01 pm-11:59 pm

Nonstop0h 58m

Bellingham

Thu 6/18

5:26 pm-6:25 pm

Nonstop0h 59m

$282
Quickest round-trip

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Fri 6/19

11:01 pm-11:59 pm

Nonstop0h 58m

Bellingham

Fri 6/26

6:00 am-6:53 am

Nonstop0h 53m

$307

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 9/5

6:51 pm-10:31 pm

1 stop3h 40m

Bellingham

Sat 9/12

7:00 am-11:58 am

1 stop4h 58m

$312

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Fri 6/5

11:10 pm-12:07 am

Nonstop0h 57m

Bellingham

Tue 6/9

5:53 pm-6:50 pm

Nonstop0h 57m

$327

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 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 Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Bellingham for around $237.

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 $227 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 to Bellingham flights?

There is only 1 cabin class available to choose from on Seattle 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?

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

$243

Fastest flight time

0h 56m

Direct flights

Every day

Airports in Bellingham

1 airport
The best one-way flight to Bellingham from Seattle in the past 72 hours is $243. The best round-trip flight deal from Seattle to Bellingham found on momondo in the last 72 hours is $207.
The fastest flight from Seattle to Bellingham takes 0h 56m
Direct flights go from Seattle to Bellingham every day.
There is 1 airport in Bellingham. From Seattle there are direct flights to Bellingham (BLI).
Search flight deals

Frequently asked questions about flying from Seattle to Bellingham

  • 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 56m.

  • 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
7.9
12,396 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 14 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 $227. Our users have rated Alaska Airlines at 7.9/10.

Traveling to a place near Bellingham?

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

An easier way to manage your Bellingham 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.
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