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$344+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find 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 November 10, 2025.

This Delta deal was found by Cheapflights users on 11/8. 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 11/245:35 amBOI - PWM
2 stops14h 44mDelta
Fri 11/286:00 amPWM - BOI
1 stop8h 39mDelta
Deal found 11/8$863
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Mon 11/246:15 amBOI - PWM
1 stop7h 33mUnited Airlines
Fri 11/287:30 amPWM - BOI
1 stop8h 11mUnited Airlines
Deal found 11/8$998
This American Airlines deal was found by Cheapflights users on 11/8. 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.
Mon 11/246:37 amBOI - PWM
2 stops14h 17mAmerican Airlines
Fri 11/285:39 amPWM - BOI
2 stops14h 15mAmerican Airlines
Deal found 11/8$1,059

Cheap 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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Delta)

Popular in

December

Cheapest in

January
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
Highest demand for flights based on searches. 16% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($54 potential savings vs. average RT price).
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 November 10, 2025.
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

Fri 2/6

7:15 pm-12:08 pm

2 stops14h 53m

Portland

Tue 2/10

5:30 am-6:28 pm

2 stops14h 58m

$349

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 2/6

8:15 am-11:30 pm

3 stops13h 15m

Portland

Tue 2/10

11:00 am-9:52 pm

2 stops12h 52m

$742

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 11/24

5:35 am-10:19 pm

2 stops14h 44m

Portland

Fri 11/28

6:00 am-12:39 pm

1 stop8h 39m

$863

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 11/24

6:15 am-3:48 pm

1 stop7h 33m

Portland

Fri 11/28

7:30 am-1:41 pm

1 stop8h 11m

$998

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 11/24

6:37 am-10:54 pm

2 stops14h 17m

Portland

Fri 11/28

5:39 am-5:54 pm

2 stops14h 15m

$1,059

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 1/31

5:20 am-7:38 pm

2 stops12h 18m

$344

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 1/31

8:15 am-2:39 pm

1 stop28h 24m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Portland, Maine flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $363). 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 BOI to PWM?

Find hourly flight availability from Boise to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

It’s optimal to fly from Boise to Portland, Maine in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.

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 November 10, 2025.
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
4,235 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,012 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 and United Airlines fly from Boise to Portland, Maine in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 1h 38m. The distance from Boise to Portland, Maine is about 2265 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 43% 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 $363). 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

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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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$364Average$586FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$789FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$410Average$494FlexibilityNo cancel feeOn-time63%

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