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$197+ Cheap flights from Boise to Portland, ME (BOI - PWM)

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
1 adult, Economy
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Cheap flight deals from Boise to Portland

Cheapest flights from Boise to Portland
Explore the most affordable flight options available from Boise to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 25, 2026.

This Delta deal was found by Cheapflights users on 1/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:55 am
BOI
-
PWM
2 stops13h 51m
Delta
Thu 4/236:30 am
PWM
-
BOI
2 stops14h 51m
Delta
Deal found 1/23$348
This American Airlines deal was found by Cheapflights users on 1/23. 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 5/51:29 pm
BOI
-
PWM
1 stop7h 41m
American Airlines
Wed 5/137:07 am
PWM
-
BOI
1 stop7h 31m
American Airlines
Deal found 1/23$367
This Delta deal was found by Cheapflights users on 1/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:24 am
BOI
-
PWM
2 stops15h 22m
Delta
Wed 5/131:35 pm
PWM
-
BOI
2 stops12h 24m
Delta
Deal found 1/23$375
This American Airlines deal was found by Cheapflights users on 1/23. 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 4/141:29 pm
BOI
-
PWM
1 stop7h 41m
American Airlines
Thu 4/237:07 am
PWM
-
BOI
1 stop7h 31m
American Airlines
Deal found 1/23$380
This Southwest deal was found by Cheapflights users on 1/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:55 pm
BOI
-
PWM
2 stops14h 15m
Southwest
Mon 4/2012:45 pm
PWM
-
BOI
2 stops14h 00m
Southwest
Deal found 1/24$436
This Southwest deal was found by Cheapflights users on 1/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:10 am
BOI
-
PWM
1 stop12h 20m
Southwest
Thu 8/67:40 am
PWM
-
BOI
1 stop8h 30m
Southwest
Deal found 1/24$452
This United Airlines deal was found by Cheapflights users on 1/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:11 am
BOI
-
PWM
2 stops14h 09m
United Airlines
Wed 3/45:45 am
PWM
-
BOI
1 stop8h 48m
United Airlines
Deal found 1/22$472
This Delta deal was found by Cheapflights users on 1/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:24 am
BOI
-
PWM
2 stops10h 47m
Delta
Fri 8/71:35 pm
PWM
-
BOI
1 stop10h 57m
Delta
Deal found 1/24$478
This Delta deal was found by Cheapflights users on 1/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 pm
BOI
-
PWM
2 stops11h 51m
Delta
Wed 8/512:50 pm
PWM
-
BOI
2 stops12h 39m
Delta
Deal found 1/24$484

Find flight deals from Boise to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Portland (PWM). 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 January 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$348
(Delta)

One-way from

$197
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$430
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Portland flights.
Search Deals
From Boise Air Term. Gowen Fld to Portland
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Portland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Portland 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 January 25, 2026.
Use the filters below to find and compare flights from Boise to Portland that are best for you.

Fly from

Boise

Fly to

Portland

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

8:55 am-12:46 am

2 stops13h 51m

Portland

Thu 4/23

6:30 am-7:21 pm

2 stops14h 51m

$348

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 5/5

7:24 am-12:46 am

2 stops15h 22m

Portland

Wed 5/13

1:35 pm-11:59 pm

2 stops12h 24m

$375

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

1:29 pm-11:10 pm

1 stop7h 41m

Portland

Thu 4/23

7:07 am-12:38 pm

1 stop7h 31m

$380

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 4/11

1:29 pm-11:10 pm

1 stop7h 41m

$197

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 6/17

7:10 am-9:30 pm

1 stop12h 20m

$229

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 6/17

11:15 am-11:50 pm

2 stops10h 35m

$229

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 4/11

6:15 am-9:40 pm

2 stops13h 25m

$279

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 1/31

5:20 am-7:38 pm

2 stops12h 18m

$824

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 1/31

12:19 pm-2:39 pm

1 stop24h 20m

$1,117

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Compare providers for flights from Boise to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Portland in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Portland, Maine flights, Cheapflights users trust Expedia the most. Expedia 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 Boise-Portland, Maine 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 Boise to Portland

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

What is the cheapest month to book a flight from Boise to Portland, Maine?

Currently, April is the cheapest month in which you can book a flight from Boise to Portland, Maine (average of $163). Flying from Boise to Portland, Maine in July is currently the most expensive (average of $314). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated January 25, 2026.
Read through reviews of airlines operating flights from Boise to Portland, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,269 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,269 reviews
Southwest
8.0
Very good
4,269 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,198 reviews
Southwest
8.0
Very good
4,269 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,269 reviews

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Boise to Portland. 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 Boise to Portland, Maine?

    Airlines like Delta fly from Boise to Portland, Maine in about 13h 51m. The time it takes to get you to your destination can typically vary by up to . The distance from Boise to Portland, Maine is about 2265 mi.

  • What are the cheapest airlines flying from Boise to Portland, Maine round-trip?

    American Airlines, at $364, was found to be the cheapest airline from Boise to Portland, Maine.Alternate airlines to your destination round-trip include United Airlines and Southwest. These flights start at 44% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Portland 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 Boise to Portland, Maine?

    Currently, April is the cheapest month in which you can book a flight from Boise to Portland, Maine (average of $163). Flying from Boise to Portland, Maine in July is currently the most expensive (average of $314). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Boise to Portland

Discover the top 3 airlines that operate flights from Boise to Portland. 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$364Average$636FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$769FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$410Average$498FlexibilityNo cancel feeOn-time63%

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