How long is the flight from Boise to Portland, Maine?

Airlines like Delta, American Airlines, and United Airlines fly from Boise to Portland, Maine in about 14h 41m. The time it takes to get you to your destination can typically vary by up to 10h 10m. 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.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular airlines that fly from Boise to Portland, Maine?

When booking a flight from Boise to Portland, Maine, you may want to consider flying on United Airlines, Southwest or American Airlines as they are the most popular for this route.

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.

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.

$170+ Flights from Boise to Portland, ME

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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 December 12, 2025.

Fri 12/265:00 amBOI - PWM

2 stops16h 22mUnited Airlines

Tue 12/305:30 amPWM - BOI

2 stops19h 10mUnited Airlines

Deal found 12/11

$1,007

Best flights from Boise to Portland
Discover carefully curated flight deals from Boise to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Mon 1/267:15 pmBOI - PWM

2 stops14h 48mDelta

Thu 1/295:30 amPWM - BOI

1 stop9h 00mDelta

Deal found 12/11

$393

Mon 1/266:13 amBOI - PWM

2 stops14h 41mAmerican Airlines

Thu 1/2912:40 pmPWM - BOI

2 stops12h 33mAmerican Airlines

Deal found 12/11

$403

Wed 1/146:10 amBOI - PWM

2 stops24h 51mUnited Airlines

Sat 1/178:40 amPWM - BOI

2 stops12h 33mUnited Airlines

Deal found 12/9

$531

Mon 1/266:10 amBOI - PWM

3 stops10h 42mUnited Airlines

Thu 1/298:40 amPWM - BOI

2 stops13h 11mUnited Airlines

Deal found 12/11

$741

Fri 3/1311:36 pmBOI - PWM

2 stops10h 24mDelta

Tue 3/1712:50 pmPWM - BOI

2 stops11h 18mDelta

Deal found 12/11

$834

Fri 12/265:00 amBOI - PWM

2 stops16h 22mUnited Airlines

Tue 12/305:30 amPWM - BOI

2 stops19h 10mUnited Airlines

Deal found 12/11

$1,007

Last-minute flights from Boise to Portland
Discover last-minute flight deals from Boise to Portland. Data last updated December 12, 2025 and is based on user searches.

Fri 12/265:00 amBOI - PWM

2 stops16h 22mUnited Airlines

Tue 12/305:30 amPWM - BOI

2 stops19h 10mUnited Airlines

Deal found 12/11

$1,007

Wed 1/146:10 amBOI - PWM

2 stops24h 51mUnited Airlines

Sat 1/178:40 amPWM - BOI

2 stops12h 33mUnited Airlines

Deal found 12/9

$531

Mon 1/267:15 pmBOI - PWM

2 stops14h 48mDelta

Thu 1/295:30 amPWM - BOI

1 stop9h 00mDelta

Deal found 12/11

$393

Mon 1/266:13 amBOI - PWM

2 stops14h 41mAmerican Airlines

Thu 1/2912:40 pmPWM - BOI

2 stops12h 33mAmerican Airlines

Deal found 12/11

$403

Mon 1/266:10 amBOI - PWM

3 stops10h 42mUnited Airlines

Thu 1/298:40 amPWM - BOI

2 stops13h 11mUnited Airlines

Deal found 12/11

$741

One-way flights from Boise to Portland
Search for one-way flight options from Boise to Portland. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Wed 1/2110:39 amBOI - PWM

2 stops11h 41mDelta

Deal found 12/11

$170

Sat 1/315:20 amBOI - PWM

2 stops12h 18mDelta

Deal found 12/10

$344

Wed 1/215:55 pmBOI - PWM

3 stops37h 12mMultiple Airlines

Deal found 12/11

$432

Wed 2/48:15 amBOI - PWM

3 stops13h 15mUnited Airlines

Deal found 12/11

$506

Sun 12/285:12 pmBOI - PWM

2 stops14h 32mUnited Airlines

Deal found 12/10

$535

Wed 1/218:15 amBOI - PWM

1 stop28h 24mUnited Airlines

Deal found 12/11

$691

Sat 1/3112:19 pmBOI - PWM

1 stop24h 20mUnited Airlines

Deal found 12/10

$727

Find flight deals from Boise to Portland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$531 (United Airlines)
One-way from	$170 (Delta)
Popular in	November
Cheapest in	January
Average price	$344

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. 15% potential increase in price ($118 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 1/26

7:15 pm-12:03 pm

2 stops14h 48m

Portland

Thu 1/29

5:30 am-12:30 pm

1 stop9h 00m

$393

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 1/26

6:13 am-10:54 pm

2 stops14h 41m

Portland

Thu 1/29

12:40 pm-11:13 pm

2 stops12h 33m

$403

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 1/14

6:10 am-9:01 am

2 stops24h 51m

Portland

Sat 1/17

8:40 am-7:13 pm

2 stops12h 33m

$531

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 1/26

6:10 am-6:52 pm

3 stops10h 42m

Portland

Thu 1/29

8:40 am-7:51 pm

2 stops13h 11m

$741

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 3/13

11:36 pm-12:00 pm

2 stops10h 24m

Portland

Tue 3/17

12:50 pm-10:08 pm

2 stops11h 18m

$834

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 12/26

5:00 am-11:22 pm

2 stops16h 22m

Portland

Tue 12/30

5:30 am-10:40 pm

2 stops19h 10m

$1,007

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 1/21

10:39 am-12:20 am

2 stops11h 41m

$170

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 2/4

10:39 am-12:20 am

2 stops11h 41m

$170

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

Wed 1/21

5:55 pm-9:07 am

3 stops37h 12m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results

Compare providers for flights from Boise to Portland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Portland in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 $368). 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?

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

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

7.9

Good

4,253 reviews

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

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

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

9,095 reviews

Southwest

7.9

Good

4,253 reviews

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

11,050 reviews

Southwest

7.9

Good

4,253 reviews

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

How long is the flight from Boise to Portland, Maine?
Airlines like Delta, American Airlines, and United Airlines fly from Boise to Portland, Maine in about 14h 41m. The time it takes to get you to your destination can typically vary by up to 10h 10m. 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 $368). 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

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Top 3 airlines flying from Boise to Portland

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$364	Average$586	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$391	Average$769	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$410	Average$494	FlexibilityNo cancel fee	On-time63%

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$170+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Portland with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Portland

Cheapest flights from Boise to PortlandExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Boise to Portland

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Portland that are best for you.

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 December.

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.

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?

What is the cheapest time of day to fly from BOI to PWM?

Reviews of airlines servicing Portland

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.

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?

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

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

How can I find direct flights from Boise to Portland?

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

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

Traveling to a place near Portland?

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Alternative routes for Boise to Portland

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Top 3 airlines flying from Boise to Portland

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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 December 12, 2025.