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

A quick flight from Idaho to Portland, Maine can take about 11h 56m. United Airlines provides one of the quickest options available for as low as $442. Idaho and Portland, Maine are separated by a distance of 2265 mi. This flight may include one or multiple stops.

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 routes from Idaho to Portland, Maine?

The most popular flight routes from Idaho to Portland, Maine are Spokane - Portland, Boise Air Term. Gowen Fld - Portland and Hailey Sun Valley-Friedman - Portland.

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

When booking a flight from Idaho 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.

What airport do you fly into for flights to Portland from Idaho?

Most people fly into Portland (PWM) if they book a flight to Portland from Idaho. Portland is conveniently located just 2.9 mi from Portland’s city center.

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

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

How can I find direct flights from Idaho to Portland?

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

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

Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Portland, ME

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Cheap flight deals from Idaho to Portland

Cheapest flights from Idaho to Portland
Explore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

Mon 12/295:05 amGEG - PWM

2 stops13h 24mUnited Airlines

Wed 12/319:30 amPWM - GEG

2 stops30h 15mUnited Airlines

Deal found 12/25

$1,687

Best flights from Idaho to Portland
Discover carefully curated flight deals from Idaho to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 27, 2025.

Sat 1/177:05 pmBOI - PWM

2 stops11h 56mUnited Airlines

Wed 1/214:10 pmPWM - BOI

1 stop8h 47mUnited Airlines

Deal found 12/25

$442

Sat 3/286:00 amGEG - PWM

2 stops13h 50mAmerican Airlines

Sat 4/412:49 pmPWM - GEG

2 stops13h 21mAmerican Airlines

Deal found 12/25

$486

Fri 3/135:55 amGEG - PWM

2 stops15h 10mSouthwest

Mon 3/302:50 pmPWM - GEG

2 stops13h 15mSouthwest

Deal found 12/26

$505

Thu 2/121:43 pmBOI - PWM

1 stop7h 23mDelta

Tue 2/175:31 amPWM - BOI

1 stop8h 57mDelta

Deal found 12/25

$838

Fri 1/162:00 pmJAC - PWM

1 stop7h 30mUnited Airlines

Tue 1/2011:12 amPWM - JAC

2 stops11h 30mUnited Airlines

Deal found 12/24

$454

Thu 2/126:35 pmBOI - PWM

2 stops14h 40mSouthwest

Tue 2/175:35 amPWM - BOI

2 stops19h 20mSouthwest

Deal found 12/25

$510

Sat 6/66:09 amGEG - PWM

2 stops12h 52mAmerican Airlines

Sat 6/137:10 amPWM - GEG

1 stop7h 25mAmerican Airlines

Deal found 12/26

$554

Sat 1/172:40 pmIDA - PWM

2 stops16h 21mUnited Airlines

Wed 1/216:00 amPWM - IDA

2 stops11h 31mUnited Airlines

Deal found 12/23

$518

Fri 3/136:00 amGEG - PWM

2 stops13h 50mAmerican Airlines

Mon 3/305:38 pmPWM - GEG

1 stop21h 07mAmerican Airlines

Deal found 12/26

$578

Sat 1/176:53 amGEG - PWM

2 stops23h 08mUnited Airlines

Wed 1/216:00 amPWM - GEG

2 stops12h 21mUnited Airlines

Deal found 12/25

$527

Thu 1/87:00 amSUN - PWM

2 stops14h 30mUnited Airlines

Mon 1/128:40 amPWM - SUN

2 stops14h 49mUnited Airlines

Deal found 12/24

$565

Fri 3/137:00 amBOI - PWM

2 stops14h 50mAmerican Airlines

Tue 3/175:38 pmPWM - BOI

1 stop21h 23mAmerican Airlines

Deal found 12/24

$684

Wed 1/142:31 pmSUN - PWM

2 stops22h 00mUnited Airlines

Sat 1/178:40 amPWM - SUN

2 stops14h 49mUnited Airlines

Deal found 12/25

$574

Tue 1/1312:43 pmSUN - PWM

1 stop23h 56mUnited Airlines

Sat 1/178:40 amPWM - SUN

2 stops14h 49mUnited Airlines

Deal found 12/26

$595

Tue 1/131:16 pmSUN - PWM

2 stops20h 50mAmerican Airlines

Sat 1/175:30 amPWM - SUN

3 stops16h 47mAmerican Airlines

Deal found 12/26

$744

Tue 1/1311:25 amGEG - PWM

1 stop24h 14mUnited Airlines

Sat 1/176:00 amPWM - GEG

2 stops12h 21mUnited Airlines

Deal found 12/26

$595

Thu 2/127:00 amBOI - PWM

2 stops14h 17mAmerican Airlines

Tue 2/1712:17 pmPWM - BOI

3 stops12h 19mAmerican Airlines

Deal found 12/25

$1,099

Fri 3/1312:05 pmBOI - PWM

1 stop7h 06mUnited Airlines

Tue 3/174:23 pmPWM - BOI

1 stop8h 33mUnited Airlines

Deal found 12/24

$1,744

Last-minute flights from Idaho to Portland
Discover last-minute flight deals from Idaho to Portland. Data last updated December 27, 2025 and is based on user searches.

Mon 12/295:05 amGEG - PWM

2 stops13h 24mUnited Airlines

Wed 12/319:30 amPWM - GEG

2 stops30h 15mUnited Airlines

Deal found 12/25

$1,687

Thu 1/87:00 amSUN - PWM

2 stops14h 30mUnited Airlines

Mon 1/128:40 amPWM - SUN

2 stops14h 49mUnited Airlines

Deal found 12/24

$565

Tue 1/138:09 amSUN - PWM

2 stops13h 34mAmerican Airlines

Sat 1/176:00 amPWM - SUN

2 stops16h 17mAmerican Airlines

Deal found 12/26

$359

Tue 1/1312:43 pmSUN - PWM

1 stop23h 56mUnited Airlines

Sat 1/178:40 amPWM - SUN

2 stops14h 49mUnited Airlines

Deal found 12/26

$595

Tue 1/1311:25 amGEG - PWM

1 stop24h 14mUnited Airlines

Sat 1/176:00 amPWM - GEG

2 stops12h 21mUnited Airlines

Deal found 12/26

$595

Wed 1/142:31 pmSUN - PWM

2 stops22h 00mUnited Airlines

Sat 1/178:40 amPWM - SUN

2 stops14h 49mUnited Airlines

Deal found 12/25

$574

Fri 1/162:00 pmJAC - PWM

1 stop7h 30mUnited Airlines

Tue 1/2011:12 amPWM - JAC

2 stops11h 30mUnited Airlines

Deal found 12/24

$454

Sat 1/177:05 pmBOI - PWM

2 stops11h 56mUnited Airlines

Wed 1/214:10 pmPWM - BOI

1 stop8h 47mUnited Airlines

Deal found 12/25

$442

Sat 1/174:19 pmIDA - PWM

2 stops14h 42mUnited Airlines

Wed 1/216:00 amPWM - IDA

2 stops11h 31mUnited Airlines

Deal found 12/24

$518

Sat 1/176:53 amGEG - PWM

2 stops23h 08mUnited Airlines

Wed 1/216:00 amPWM - GEG

2 stops12h 21mUnited Airlines

Deal found 12/25

$527

One-way flights from Idaho to Portland
Search for one-way flight options from Idaho to Portland. Find affordable one-way fares based on user searches. Data last updated December 27, 2025.

Tue 3/247:30 pmBOI - PWM

2 stops14h 39mDelta

Deal found 12/26

$170

Sat 1/315:20 amBOI - PWM

2 stops12h 18mDelta

Deal found 12/25

$344

Sat 2/288:50 amJAC - PWM

2 stops12h 30mUnited Airlines

Deal found 12/26

$346

Thu 1/18:10 amSUN - PWM

2 stops12h 45mAmerican Airlines

Deal found 12/26

$411

Fri 1/29:46 pmBOI - PWM

3 stops57h 20mMultiple Airlines

Deal found 12/26

$450

Sat 2/283:36 pmJAC - PWM

3 stops17h 22mAmerican Airlines

Deal found 12/26

$454

Fri 1/25:30 amBOI - PWM

2 stops15h 13mDelta

Deal found 12/26

$454

Thu 1/13:30 pmBOI - PWM

2 stops18h 46mDelta

Deal found 12/26

$455

Sun 3/112:16 pmJAC - PWM

2 stops21h 57mAmerican Airlines

Deal found 12/26

$498

Sun 3/14:27 pmJAC - PWM

3 stops26h 42mUnited Airlines

Deal found 12/26

$538

Thu 1/112:20 pmBOI - PWM

1 stop7h 09mUnited Airlines

Deal found 12/26

$539

Thu 1/112:38 pmBOI - PWM

3 stops51h 00mMultiple Airlines

Deal found 12/26

$616

Find flight deals from Idaho to Portland

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$359 (American Airlines)
One-way from	$170 (Delta)
Popular in	November
Cheapest in	January

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Portland flight deals.

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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Portland flights.

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From Idaho to Portland

Search Deals

One-way flight from Idaho to Portland

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($123 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($49 potential savings vs. average RT price).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 1/17

7:05 pm-9:01 am

2 stops11h 56m

Portland

Wed 1/21

4:10 pm-10:57 pm

1 stop8h 47m

$442

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Fri 1/16

2:00 pm-11:30 pm

1 stop7h 30m

Portland

Tue 1/20

11:12 am-8:42 pm

2 stops11h 30m

$454

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 3/28

6:00 am-10:50 pm

2 stops13h 50m

Portland

Sat 4/4

12:49 pm-11:10 pm

2 stops13h 21m

$486

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Fri 3/13

5:55 am-12:05 am

2 stops15h 10m

Portland

Mon 3/30

2:50 pm-1:05 am

2 stops13h 15m

$505

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 2/12

6:35 pm-11:15 am

2 stops14h 40m

Portland

Tue 2/17

5:35 am-10:55 pm

2 stops19h 20m

$510

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 1/17

2:40 pm-9:01 am

2 stops16h 21m

Portland

Wed 1/21

6:00 am-3:31 pm

2 stops11h 31m

$518

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 1/17

6:53 am-9:01 am

2 stops23h 08m

Portland

Wed 1/21

6:00 am-3:21 pm

2 stops12h 21m

$527

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 6/6

6:09 am-10:01 pm

2 stops12h 52m

Portland

Sat 6/13

7:10 am-11:35 am

1 stop7h 25m

$554

HaileyPortland

SUN - PWM

SUNPWM

Hailey Sun Valley-Friedman

Thu 1/8

7:00 am-11:30 pm

2 stops14h 30m

Portland

Mon 1/12

8:40 am-9:29 pm

2 stops14h 49m

$565

HaileyPortland

SUN - PWM

SUNPWM

Hailey Sun Valley-Friedman

Wed 1/14

2:31 pm-2:31 pm

2 stops22h 00m

Portland

Sat 1/17

8:40 am-9:29 pm

2 stops14h 49m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 33 results

Best time to book a flight from Idaho to Portland

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

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

Currently, April is the cheapest month in which you can book a flight from Idaho to Portland, Maine (average of $163). Flying from Idaho 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 ID to PWM?

When flying from Idaho to Portland, Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight in the morning.

Related info for your journey

What airport do you fly into for flights to Portland from Idaho?
Most people fly into Portland (PWM) if they book a flight to Portland from Idaho. Portland is conveniently located just 2.9 mi from Portland’s city center.
How long is the flight from Idaho to Portland, Maine?
A quick flight from Idaho to Portland, Maine can take about 11h 56m. United Airlines provides one of the quickest options available for as low as $442. Idaho and Portland, Maine are separated by a distance of 2265 mi. This flight may include one or multiple stops.
What are the most popular routes from Idaho to Portland, Maine?
The most popular flight routes from Idaho to Portland, Maine are Spokane - Portland, Boise Air Term. Gowen Fld - Portland and Hailey Sun Valley-Friedman - Portland.
Can I find deals for flights from Idaho to Portland that include hotel bookings?
Yes. In addition to deals on Idaho to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Portland.
Can I find deals for business class flights from Idaho to Portland?
Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Portland, Maine?
Currently, April is the cheapest month in which you can book a flight from Idaho to Portland, Maine (average of $163). Flying from Idaho 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 Idaho 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$498	FlexibilityNo cancel fee	On-time63%

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$170+ Cheap flights from Idaho to Portland, ME (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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Idaho to Portland

Cheapest flights from Idaho to PortlandExplore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

Explore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

Find flight deals from Idaho to Portland

Keep the following information in mind while searching for Idaho to Portland flight deals. Data was last updated December 27, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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

Best time to book a flight from Idaho to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Idaho with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Portland

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

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

Find hourly flight availability from Idaho 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 December 27, 2025.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Portland from Idaho?

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

What are the most popular routes from Idaho to Portland, Maine?

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

How can I find direct flights from Idaho to Portland?

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

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

Traveling to a place near Portland?

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Top 3 airlines flying from Idaho to Portland

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Cheapest flights from Idaho to Portland
Explore the most affordable flight options available from Idaho to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.