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$325+ Cheap flights from Portland, ME to Bellingham (PWM - 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BLI
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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Cheap 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 March 4, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/2. 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 7/1411:01 am
PWM
-
BLI
2 stops15h 58m
Alaska Airlines
Tue 7/215:18 pm
BLI
-
PWM
2 stops14h 09m
Alaska Airlines
Deal found 3/2$863
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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 7/711:01 am
PWM
-
BLI
2 stops15h 58m
Alaska Airlines
Wed 7/155:18 pm
BLI
-
PWM
2 stops14h 09m
Alaska Airlines
Deal found 3/1$878
This American Airlines deal was found by Cheapflights users on 3/1. 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 3/176:17 am
PWM
-
BLI
2 stops11h 58m
American Airlines
Fri 3/275:20 am
BLI
-
PWM
2 stops15h 14m
American Airlines
Deal found 3/1$1,203
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Wed 3/1812:44 pm
PWM
-
BLI
3 stops14h 15m
American Airlines
Sun 3/225:20 am
BLI
-
PWM
2 stops15h 14m
American Airlines
Deal found 3/2$1,488

Find flight deals from Portland to Bellingham

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$863
(Alaska Airlines)

One-way from

$325
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$504
Provider with most accurate pricing for Portland-Bellingham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Bellingham flights.
Search Deals
From Portland to Bellingham
Search Deals
One-way flight from Portland to Bellingham
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 4, 2026.
Use the filters below to find and compare flights from Portland to Bellingham that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Tue 7/14

11:01 am-11:59 pm

2 stops15h 58m

Bellingham

Tue 7/21

5:18 pm-10:27 am

2 stops14h 09m

$863

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Tue 7/7

11:01 am-11:59 pm

2 stops15h 58m

Bellingham

Wed 7/15

5:18 pm-10:27 am

2 stops14h 09m

$878

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Tue 3/17

12:44 pm-11:57 pm

3 stops14h 13m

Bellingham

Fri 3/27

5:20 am-11:34 pm

2 stops15h 14m

$1,208

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Wed 3/18

12:44 pm-11:59 pm

3 stops14h 15m

Bellingham

Sun 3/22

5:20 am-11:34 pm

2 stops15h 14m

$1,488

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Sat 8/1

9:52 am-11:28 pm

2 stops40h 36m

$325

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Mon 3/30

6:17 am-11:59 pm

2 stops20h 42m

$603

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Mon 3/30

9:47 am-11:59 pm

3 stops41h 12m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland, Maine-Bellingham flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Bellingham flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Bellingham flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Bellingham flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Bellingham flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 month to book a flight from Portland, Maine to Bellingham?

Currently, April is the cheapest month in which you can book a flight from Portland, Maine to Bellingham (average of $413). Flying from Portland, Maine to Bellingham in June is currently the most expensive (average of $700). 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.

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.

  • How long is the flight from Portland, Maine to Bellingham?

    Alaska Airlines and American Airlines can get you from Portland, Maine to Bellingham in just under 14h 13m. Your travel time can differ by up to 1h 45m. The distance between Portland, Maine and Bellingham is about 2470 mi. This flight may include one or multiple stops.

  • 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, Maine to Bellingham?

    Currently, April is the cheapest month in which you can book a flight from Portland, Maine to Bellingham (average of $413). Flying from Portland, Maine to Bellingham in June is currently the most expensive (average of $700). 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
Burlington
Mount Vernon
Ferndale
Blaine

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