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Cheap flights from Bellingham to Seattle from $126

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Bellingham to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:18 pm - 8:16 pmBLI  Bellingham-SEA Seattle/Tacoma Intl
0h 58mnonstop
Alaska Airlines Logo
10:59 pm - 11:53 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
0h 54mnonstop
$216Alaska Airlines
Tue, Oct 13 - Wed, Oct 21
Alaska Airlines Logo
7:26 pm - 8:25 pmBLI  Bellingham-SEA Seattle/Tacoma Intl
0h 59mnonstop
Alaska Airlines Logo
10:59 pm - 11:53 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
0h 54mnonstop
$217Alaska Airlines
Tue, Sep 29 - Sat, Oct 3
Alaska Airlines Logo
7:29 pm - 8:26 pmBLI  Bellingham-SEA Seattle/Tacoma Intl
0h 57mnonstop
Alaska Airlines Logo
5:50 pm - 6:49 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
0h 59mnonstop
$282Alaska Airlines
Sun, Nov 1 - Wed, Nov 4
Alaska Airlines Logo
12:56 pm - 1:53 pmBLI  Bellingham-SEA Seattle/Tacoma Intl
0h 57mnonstop
Alaska Airlines Logo
4:35 pm - 5:31 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
0h 56mnonstop
$282Alaska Airlines
Fri, Dec 11 - Fri, Dec 11
Alaska Airlines Logo
7:18 pm - 8:16 pmBLI  Bellingham-SEA Seattle/Tacoma Intl
0h 58mnonstop
Alaska Airlines Logo
10:59 pm - 11:53 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
0h 54mnonstop
$284Alaska Airlines
Sun, Oct 11 - Sun, Oct 18
Alaska Airlines Logo
7:18 pm - 8:16 pmBLI  Bellingham-SEA Seattle/Tacoma Intl
0h 58mnonstop
Alaska Airlines Logo
12:40 pm - 1:37 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
0h 57mnonstop
$284Alaska Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
7:29 pm - 9:45 amBLI  Bellingham-SEA Seattle/Tacoma Intl
14h 16m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:14 pm - 9:35 amSEA  Seattle/Tacoma Intl-BLI Bellingham
21h 21m1 stop Las Vegas Harry Reid Intl
$322Multiple Airlines
Sun, Nov 1 - Wed, Nov 4
Multiple Airlines Logo
4:59 pm - 9:42 amBLI  Bellingham-SEA Seattle/Tacoma Intl
16h 43m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:45 pm - 11:34 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
25h 49m1 stop Las Vegas Harry Reid Intl
$328Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
4:59 pm - 9:42 amBLI  Bellingham-SEA Seattle/Tacoma Intl
16h 43m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:53 am - 12:10 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
25h 17m2 stops Ontario Las Vegas Harry Reid Intl
$350Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
4:58 pm - 9:48 amBLI  Bellingham-SEA Seattle/Tacoma Intl
16h 50m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:00 pm - 11:34 pmSEA  Seattle/Tacoma Intl-BLI Bellingham
27h 34m2 stops Los Angeles Las Vegas Harry Reid Intl
$353Multiple Airlines
Sun, Oct 11 - Sun, Oct 18

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Alaska Airlines flights from Bellingham to Seattle

Our best Alaska Airlines deals on Bellingham to Seattle flight tickets
Alaska Airlines
Oct 13
BLI7:18 pmBellingham
0h 58m
SEA8:16 pmSeattle/Tacoma Intl
Oct 21
SEA10:59 pmSeattle/Tacoma Intl
0h 54m
BLI11:53 pmBellingham
$216
Alaska Airlines
Sep 29
BLI7:26 pmBellingham
0h 59m
SEA8:25 pmSeattle/Tacoma Intl
Oct 3
SEA10:59 pmSeattle/Tacoma Intl
0h 54m
BLI11:53 pmBellingham
$217
Alaska Airlines
Nov 1
BLI7:29 pmBellingham
0h 57m
SEA8:26 pmSeattle/Tacoma Intl
Nov 4
SEA5:50 pmSeattle/Tacoma Intl
0h 59m
BLI6:49 pmBellingham
$282

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Tue 10/13

7:18 pm-8:16 pm

Nonstop0h 58m

Seattle/Tacoma Intl

Wed 10/21

10:59 pm-11:53 pm

Nonstop0h 54m

$216

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Tue 9/29

7:26 pm-8:25 pm

Nonstop0h 59m

Seattle/Tacoma Intl

Sat 10/3

10:59 pm-11:53 pm

Nonstop0h 54m

$217

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 11/1

7:29 pm-8:26 pm

Nonstop0h 57m

Seattle/Tacoma Intl

Wed 11/4

5:50 pm-6:49 pm

Nonstop0h 59m

$282

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Fri 12/11

12:56 pm-1:53 pm

Nonstop0h 57m

Seattle/Tacoma Intl

Fri 12/11

4:35 pm-5:31 pm

Nonstop0h 56m

$282

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 10/11

7:18 pm-8:16 pm

Nonstop0h 58m

Seattle/Tacoma Intl

Sun 10/18

10:59 pm-11:53 pm

Nonstop0h 54m

$284

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 10/11

7:18 pm-8:16 pm

Nonstop0h 58m

Seattle/Tacoma Intl

Sun 10/18

12:40 pm-1:37 pm

Nonstop0h 57m

$284

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 11/1

7:29 pm-9:45 am

1 stop14h 16m

Seattle/Tacoma Intl

Wed 11/4

12:14 pm-9:35 am

1 stop21h 21m

$322

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Thu 9/24

4:59 pm-9:42 am

1 stop16h 43m

Seattle/Tacoma Intl

Thu 10/1

9:45 pm-11:34 pm

1 stop25h 49m

$328

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Thu 9/24

4:59 pm-9:42 am

1 stop16h 43m

Seattle/Tacoma Intl

Thu 10/1

10:53 am-12:10 pm

2 stops25h 17m

$350

BellinghamSeattle

BLI Bellingham - SEA Seattle/Tacoma Intl

BLISEA

Bellingham

Sun 10/11

4:58 pm-9:48 am

1 stop16h 50m

Seattle/Tacoma Intl

Sun 10/18

8:00 pm-11:34 pm

2 stops27h 34m

$353

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 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?

In general, September 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 $0. If you don’t want to visit Seattle in September, then you should wait until February to fly from Bellingham, when ticket prices are also cheap, with an average price of $0.

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 Friday. momondo users have found tickets for Friday departures for as low as $515. 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 $642.

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 $533 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $569. 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 flights?

There are 4 cabin classes available to choose from on Bellingham to Seattle 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 August 2026, prices for Bellingham to Seattle flights are approximately 52% more expensive 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

$126

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 $126. The best round-trip flight deal from Bellingham to Seattle found on momondo in the last 72 hours is $216.
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

Frequently asked questions about flying from Bellingham to Seattle

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $127Free CancellationRating
7.9
12,865 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 21 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 $277. Our users have rated Alaska Airlines at 7.9/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Kent
Olympia
Redmond
Lakewood
Federal Way
Fife
Tukwila
Puyallup
Lynnwood
Cle Elum
Marysville
Kirkland
Centralia
Lacey
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

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