HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$189+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
nov. 26 — déc. 31
mer. 11/26
mer. 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Portland 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.

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 octobre 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:15 amBOI - PWM
1 stop7h 33mUnited Airlines
sam. 11/153:20 pmPWM - BOI
1 stop9h 17mUnited Airlines
Deal found 10/27$547
This American Airlines deal was found by Cheapflights users on 10/25. 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.
mar. 10/281:26 pmBOI - PWM
1 stop7h 19mAmerican Airlines
jeu. 10/306:14 amPWM - BOI
1 stop8h 32mAmerican Airlines
Deal found 10/25$962
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/2312:45 pmBOI - PWM
1 stop7h 05mUnited Airlines
dim. 11/305:00 pmPWM - BOI
1 stop7h 45mUnited Airlines
Deal found 10/26$1,359
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/236:37 amBOI - PWM
2 stops14h 17mAmerican Airlines
dim. 11/3010:22 amPWM - BOI
2 stops15h 15mAmerican Airlines
Deal found 10/26$1,446

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 octobre 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$453
(Delta)

One-way from

$189
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$487
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. 10% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 octobre 27, 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

mar. 3/3

6:00 pm-11:57 am

2 stops15h 57m

Portland

jeu. 3/5

2:35 pm-1:07 pm

2 stops24h 32m

$453

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

mar. 11/11

6:15 am-3:48 pm

1 stop7h 33m

Portland

sam. 11/15

3:20 pm-10:37 pm

1 stop9h 17m

$547

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

mar. 3/3

12:16 pm-9:14 pm

1 stop6h 58m

Portland

jeu. 3/5

4:25 pm-11:06 pm

1 stop8h 41m

$975

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

mer. 11/19

6:15 am-3:38 pm

1 stop7h 23m

$189

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

mer. 11/19

6:37 am-6:10 pm

2 stops9h 33m

$194

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

sam. 1/31

5:20 am-7:38 pm

2 stops12h 18m

$319

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

lun. 12/29

9:46 pm-10:36 am

3 stops34h 50m

$382

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

mer. 11/19

6:05 pm-9:06 am

3 stops37h 01m

$442

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

lun. 12/29

8:20 am-9:29 pm

1 stop11h 09m

$559

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

sam. 1/31

12:19 pm-2:39 pm

1 stop24h 20m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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 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 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 octobre 27, 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 octobre 27, 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
4,236 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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
8,997 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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
11,033 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

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 7h 33m. The time it takes to get you to your destination can typically vary by up to 8h 24m. 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.

  • What are the cheapest airlines to fly from Boise to Portland, Maine one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $189. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Boise to Portland, Maine for a low price.

  • 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

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.

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 octobre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$364Average$666FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$789FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$410Average$494FlexibilityNo cancel feeOn-time63%

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.