HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bellingham

$728+ Cheap flights from Portland, ME to Bellingham (PWM - BLI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BLI
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Bellingham with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 10/3111:28 am
PWM
-
BLI
2 stops14h 07m
Alaska Airlines
Wed 11/47:37 pm
BLI
-
PWM
2 stops12h 00m
Alaska Airlines
Deal found 7/26$728
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 8/253:06 pm
PWM
-
BLI
2 stops11h 53m
Alaska Airlines
Tue 9/17:19 pm
BLI
-
PWM
2 stops12h 12m
Alaska Airlines
Deal found 7/28$778
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 9/33:06 pm
PWM
-
BLI
2 stops11h 53m
Alaska Airlines
Wed 9/167:26 pm
BLI
-
PWM
2 stops11h 37m
Alaska Airlines
Deal found 7/27$939
This American Airlines deal was found by Cheapflights users on 7/28. 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 8/255:30 am
PWM
-
BLI
2 stops16h 09m
American Airlines
Tue 9/15:26 am
BLI
-
PWM
3 stops12h 55m
American Airlines
Deal found 7/28$1,156
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 8/86:46 am
PWM
-
BLI
2 stops13h 00m
American Airlines
Wed 8/126:00 am
BLI
-
PWM
2 stops12h 21m
American Airlines
Deal found 7/24$1,603
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/912:06 pm
PWM
-
BLI
2 stops14h 53m
American Airlines
Sat 8/156:00 am
BLI
-
PWM
2 stops14h 37m
American Airlines
Deal found 7/25$1,702
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/912:06 pm
PWM
-
BLI
2 stops14h 53m
American Airlines
Sun 8/166:00 am
BLI
-
PWM
2 stops13h 48m
American Airlines
Deal found 7/25$1,748

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$728
(Alaska Airlines)
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

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 July 29, 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

Cheapest round-trip

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Sat 10/31

11:28 am-10:35 pm

2 stops14h 07m

Bellingham

Wed 11/4

7:37 pm-10:37 am

2 stops12h 00m

$728

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Tue 8/25

3:06 pm-11:59 pm

2 stops11h 53m

Bellingham

Tue 9/1

7:19 pm-10:31 am

2 stops12h 12m

$778
Quickest round-trip

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Thu 9/3

3:06 pm-11:59 pm

2 stops11h 53m

Bellingham

Wed 9/16

7:26 pm-10:03 am

2 stops11h 37m

$939

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Sat 8/8

6:46 am-4:46 pm

2 stops13h 00m

Bellingham

Wed 8/12

6:00 am-9:21 pm

3 stops12h 21m

$1,692

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Sun 8/9

12:06 pm-11:59 pm

2 stops14h 53m

Bellingham

Sun 8/16

6:00 am-10:48 pm

2 stops13h 48m

$1,748

PortlandBellingham

PWM - BLI

PWMBLI

Portland

Sun 8/9

5:30 am-4:46 pm

2 stops14h 16m

Bellingham

Sat 8/15

6:00 am-10:48 pm

2 stops13h 48m

$1,868

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

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 can get you from Portland, Maine to Bellingham in just under 14h 07m. Your travel time can differ by up to . The distance between Portland, Maine and Bellingham is about 2470 mi.

  • 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.

See more FAQs

Traveling to a place near Bellingham?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.