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Bellingham

$79+ Cheap flights from Seattle to Bellingham (SEA - BLI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLI
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap flight deals from Seattle to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bellingham (BLI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 19, 2025.

Round-trip from

$117
(Alaska Airlines)

One-way from

$79
(Alaska Airlines)

Popular in

May

Cheapest in

January

Average price

$188

Good round-trip deal

$188 or less

Good one-way deal

$284 or less
From Seattle/Tacoma Intl to Bellingham
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One-way flight from Seattle/Tacoma Intl to Bellingham
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Highest demand for flights based on searches. 14% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Bellingham.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Bellingham.
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Find flight deals from Seattle to Bellingham

Cheapest flights from Seattle to Bellingham
Explore the most affordable flight options available from Seattle to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:49 pmSEA - BLI
Nonstop0h 55mAlaska Airlines
Sat 10/184:14 pmBLI - SEA
Nonstop0h 57mAlaska Airlines
Deal found 9/18$117
This Hawaiian Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:10 pmSEA - BLI
Nonstop0h 56mHawaiian Airlines
Thu 10/164:14 pmBLI - SEA
Nonstop0h 57mHawaiian Airlines
Deal found 9/18$177
This Hawaiian Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:10 pmSEA - BLI
Nonstop0h 56mHawaiian Airlines
Mon 10/134:14 pmBLI - SEA
Nonstop0h 57mHawaiian Airlines
Deal found 9/18$188
This Alaska Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:49 pmSEA - BLI
Nonstop0h 55mAlaska Airlines
Sat 10/114:14 pmBLI - SEA
Nonstop0h 57mAlaska Airlines
Deal found 9/18$208
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:49 pmSEA - BLI
Nonstop0h 56mAlaska Airlines
Tue 10/74:14 pmBLI - SEA
Nonstop0h 57mAlaska Airlines
Deal found 9/17$218
This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:26 amSEA - BLI
Nonstop1h 02mAlaska Airlines
Mon 10/61:02 pmBLI - SEA
Nonstop0h 56mAlaska Airlines
Deal found 9/17$268
This Alaska Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:15 pmSEA - BLI
Nonstop0h 56mAlaska Airlines
Wed 10/18:02 amBLI - SEA
Nonstop0h 58mAlaska Airlines
Deal found 9/18$308
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:10 pmSEA - BLI
Nonstop0h 56mAmerican Airlines
Sat 10/115:15 amBLI - SEA
Nonstop0h 59mAmerican Airlines
Deal found 9/18$338
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:20 amSEA - BLI
Nonstop1h 02mMultiple Airlines
Thu 10/167:30 amBLI - SEA
2 stops28h 08mMultiple Airlines
Deal found 9/18$349
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:42 amSEA - BLI
2 stops12h 28mMultiple Airlines
Mon 10/131:02 pmBLI - SEA
Nonstop0h 56mMultiple Airlines
Deal found 9/18$443
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1111:10 pmSEA - BLI
2 stops22h 00mMultiple Airlines
Sat 10/188:05 amBLI - SEA
Nonstop1h 01mMultiple Airlines
Deal found 9/18$452

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Seattle to Bellingham that are best for you.

Fly from

Seattle

Fly to

Bellingham

Route

Depart

Return

Price

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Wed 10/15

11:20 am-12:22 pm

Nonstop1h 02m

Bellingham

Wed 10/22

1:02 pm-1:58 pm

Nonstop0h 56m

$117

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 10/11

8:49 pm-9:44 pm

Nonstop0h 55m

Bellingham

Sat 10/18

4:14 pm-5:11 pm

Nonstop0h 57m

$117

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Wed 10/15

11:10 pm-12:06 am

Nonstop0h 56m

Bellingham

Thu 10/16

4:14 pm-5:11 pm

Nonstop0h 57m

$177

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Thu 10/9

11:10 pm-12:06 am

Nonstop0h 56m

Bellingham

Mon 10/13

4:14 pm-5:11 pm

Nonstop0h 57m

$188

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Tue 10/7

8:49 pm-9:44 pm

Nonstop0h 55m

Bellingham

Sat 10/11

4:14 pm-5:11 pm

Nonstop0h 57m

$208

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Fri 10/3

8:49 pm-9:45 pm

Nonstop0h 56m

Bellingham

Tue 10/7

4:14 pm-5:11 pm

Nonstop0h 57m

$218

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Thu 10/2

11:26 am-12:28 pm

Nonstop1h 02m

Bellingham

Mon 10/6

1:02 pm-1:58 pm

Nonstop0h 56m

$268

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Sat 10/11

8:49 pm-9:44 pm

Nonstop0h 55m

Bellingham

Sat 10/18

5:15 am-6:14 am

Nonstop0h 59m

$308

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Thu 9/25

11:15 pm-12:11 am

Nonstop0h 56m

Bellingham

Wed 10/1

8:02 am-9:00 am

Nonstop0h 58m

$308

SeattleBellingham

SEA - BLI

SEABLI

Seattle/Tacoma Intl

Tue 10/7

11:10 pm-12:06 am

Nonstop0h 56m

Bellingham

Sat 10/11

5:15 am-6:14 am

Nonstop0h 59m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bellingham

What is the cheapest month to book a flight from Seattle to Bellingham?

Currently, February is the cheapest month in which you can book a flight from Seattle to Bellingham (average of $317). Flying from Seattle to Bellingham in November is currently the most expensive (average of $470). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to BLI?

Find hourly flight availability from Seattle to Bellingham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

It’s optimal to fly from Seattle to Bellingham at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Bellingham

Get insights into the airlines that provide service to Bellingham. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bellingham. Reviews last updated September 19, 2025.
Read reviews from past customers who have flown Alaska Airlines from Seattle to Bellingham. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Bellingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Bellingham?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Bellingham (BLI) is your only option if you wish to fly from Seattle to Bellingham. On a typical day, there are 12 flights from Seattle/Tacoma Intl to Bellingham, all of which are around 0h 54m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Seattle/Tacoma Intl to Bellingham.

  • How popular is this Seattle to Bellingham flight route?

    The Seattle/Tacoma Intl to Bellingham flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Bellingham?

    There are many flights that can get you from Seattle to Bellingham in 56m. Fly via Alaska Airlines or Hawaiian Airlines to get the fastest option. There are 93 mi between Seattle and Bellingham. Generally, flights for this route are nonstop.

  • What is the cheapest airline to fly from Seattle to Bellingham round-trip?

    Alaska Airlines, at $137, was found to be the cheapest airline from Seattle to Bellingham.. Users have found that Alaska Airlines is 39% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Seattle to Bellingham?

    Consider Finnair (96%), American Airlines (88%) or Qatar Airways (87%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Bellingham.

  • What are the cheapest flights from Seattle to Bellingham?

    On average you can expect to pay $256 for a flight from Seattle to Bellingham. The cheapest flight overall is $52 while the most popular route, (Seattle/Tacoma Intl - Bellingham) is currently priced at $117.

  • Can I find deals for flights from Seattle to Bellingham that include hotel bookings?

    Yes. In addition to deals on Seattle to Bellingham flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Bellingham?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Bellingham.

  • Can I find deals for business class flights from Seattle to Bellingham?

    Yes. Cheapflights offers flight deals from Seattle to Bellingham by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Bellingham?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Bellingham (average of $317). Flying from Seattle to Bellingham in November is currently the most expensive (average of $470). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Bellingham?

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

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Top airline flying from Seattle to Bellingham

Discover the top airline that operate flights from Seattle to Bellingham. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$137Average$230FlexibilityNo cancel feeOn-time75%

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