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$121+ Cheap flights from Portland to Bellingham (PDX - 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BLI
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Portland to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 August 16, 2025.

Round-trip from

$253
(Alaska Airlines)

One-way from

$121
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$841
From Portland to Bellingham
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One-way flight from Portland to Bellingham
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Highest demand for flights based on searches. 23% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Portland to Bellingham

Cheapest flights from Portland to Bellingham
Explore the most affordable flight options available from Portland to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/41:25 pmPDX - BLI
1 stop10h 41mAlaska Airlines
Tue 10/74:14 pmBLI - PDX
1 stop6h 31mAlaska Airlines
Deal found 8/15$253
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/164:46 pmPDX - BLI
1 stop7h 25mAlaska Airlines
Tue 9/233:47 pmBLI - PDX
1 stop8h 28mAlaska Airlines
Deal found 8/15$273
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 10/3112:37 pmPDX - BLI
1 stop10h 34mMultiple Airlines
Sun 11/28:30 amBLI - PDX
1 stop10h 17mMultiple Airlines
Deal found 8/14$276
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/410:59 amPDX - BLI
2 stops13h 07mAlaska Airlines
Mon 10/61:02 pmBLI - PDX
1 stop17h 18mAlaska Airlines
Deal found 8/15$291
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:52 pmPDX - BLI
1 stop16h 17mMultiple Airlines
Wed 9/39:00 amBLI - PDX
1 stop9h 57mMultiple Airlines
Deal found 8/15$306
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 9/146:05 amPDX - BLI
1 stop18h 06mAlaska Airlines
Sat 9/203:47 pmBLI - PDX
1 stop8h 28mAlaska Airlines
Deal found 8/15$313
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Fri 8/2911:27 amPDX - BLI
1 stop11h 23mMultiple Airlines
Mon 9/111:30 amBLI - PDX
2 stops35h 09mMultiple Airlines
Deal found 8/15$423
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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 10/3111:14 amPDX - BLI
2 stops10h 06mAlaska Airlines
Sun 11/212:51 pmBLI - PDX
1 stop4h 56mAlaska Airlines
Deal found 8/14$428

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 August 16, 2025.
Use the filters below to find and compare flights from Portland to Bellingham that are best for you.

Fly from

Portland

Fly to

Bellingham

Route

Depart

Return

Price

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Sat 10/4

1:25 pm-12:06 am

1 stop10h 41m

Bellingham

Tue 10/7

4:14 pm-10:45 pm

1 stop6h 31m

$253

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Sat 10/4

1:25 pm-12:06 am

1 stop10h 41m

Bellingham

Mon 10/6

1:02 pm-6:20 am

1 stop17h 18m

$253

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Tue 9/16

4:46 pm-12:11 am

1 stop7h 25m

Bellingham

Tue 9/23

3:47 pm-12:15 am

1 stop8h 28m

$273

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Fri 10/31

12:37 pm-11:11 pm

1 stop10h 34m

Bellingham

Sun 11/2

8:30 am-6:47 pm

1 stop10h 17m

$276

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Sat 8/30

7:52 pm-12:09 pm

1 stop16h 17m

Bellingham

Wed 9/3

9:00 am-6:57 pm

1 stop9h 57m

$306

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Sun 9/14

6:05 am-12:11 am

1 stop18h 06m

Bellingham

Sat 9/20

3:47 pm-12:15 am

1 stop8h 28m

$313

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Sun 9/14

12:07 pm-10:17 am

1 stop22h 10m

$121

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Mon 9/15

7:31 pm-12:11 am

1 stop4h 40m

$178

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Mon 10/6

7:20 am-12:22 pm

1 stop5h 02m

$178

PortlandBellingham

PDX - BLI

PDXBLI

Portland

Thu 8/21

7:52 pm-9:01 am

1 stop13h 09m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Portland to Bellingham

Have a flexible travel schedule? Discover the best time to fly to Bellingham from Portland 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 Portland to Bellingham

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

Find hourly flight availability from Portland 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 August 16, 2025.

When flying from Portland to Bellingham, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 35% versus a flight in the morning.

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 August 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines from Portland to Bellingham to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

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

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

    According to our current data, Alaska Airlines ($244), offers the cheapest pricing from Portland to Bellingham. This flight start at 45% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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 Portland to Bellingham?

    Currently, February is the cheapest month in which you can book a flight from Portland to Bellingham (average of $317). Flying from Portland to Bellingham in November is currently the most expensive (average of $467). 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 Portland to Bellingham

Discover the top airline that operate flights from Portland 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$244Average$343FlexibilityNo cancel feeOn-time75%

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