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Portland

$149+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Idaho to Portland

Keep the following information in mind while searching for Idaho to Portland flight deals. Data was last updated June 12, 2025.

Round-trip from

$297
(American Airlines)

One-way from

$149
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$577
From Idaho to Portland
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One-way flight from Idaho to Portland
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Highest demand for flights based on searches. 9% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 9/111:12 pmBOI - PWM
1 stop8h 57mAmerican Airlines
Mon 9/156:00 amPWM - BOI
1 stop8h 32mAmerican Airlines
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 9/181:30 pmGEG - PWM
1 stop7h 39mAmerican Airlines
Tue 9/236:00 amPWM - GEG
1 stop9h 44mAmerican Airlines
Deal found 6/12$297
This Delta deal was found by Cheapflights users on 6/11. 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 10/67:21 pmGEG - PWM
2 stops12h 38mDelta
Wed 11/125:40 amPWM - GEG
1 stop8h 56mDelta
Deal found 6/11$302
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/207:16 amJAC - PWM
1 stop8h 30mAmerican Airlines
Mon 8/256:00 amPWM - JAC
2 stops11h 26mAmerican Airlines
Deal found 6/11$314
This Sun Country Air deal was found by Cheapflights users on 6/9. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/264:53 pmGEG - PWM
1 stop15h 52mSun Country Air
Sun 6/2912:46 pmPWM - GEG
1 stop7h 37mSun Country Air
Deal found 6/9$365
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sun 9/75:25 pmBOI - PWM
2 stops14h 25mSouthwest
Tue 9/163:40 pmPWM - BOI
2 stops9h 25mSouthwest
Deal found 6/12$374
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/911:40 pmBOI - PWM
2 stops10h 26mDelta
Tue 7/1512:51 pmPWM - BOI
2 stops13h 18mDelta
Deal found 6/10$448
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 10/412:43 pmIDA - PWM
1 stop8h 00mAmerican Airlines
Sat 10/116:00 amPWM - IDA
1 stop8h 10mAmerican Airlines
Deal found 6/10$469
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/912:39 pmBOI - PWM
1 stop7h 22mUnited Airlines
Tue 7/156:01 amPWM - BOI
2 stops12h 39mUnited Airlines
Deal found 6/10$494
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 6/128:30 amJAC - PWM
1 stop7h 31mDelta
Sat 8/1611:45 amPWM - JAC
2 stops11h 44mDelta
Deal found 6/11$504
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 6/257:25 amGEG - PWM
2 stops13h 02mUnited Airlines
Mon 6/303:37 pmPWM - GEG
1 stop8h 26mUnited Airlines
Deal found 6/11$512
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 7/96:50 amGEG - PWM
2 stops13h 35mSouthwest
Mon 7/213:40 pmPWM - GEG
2 stops11h 15mSouthwest
Deal found 6/9$562

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho 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 June 12, 2025.
Use the filters below to find and compare flights from Idaho to Portland that are best for you.

Fly from

Idaho

Fly to

Portland

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 9/11

1:12 pm-12:09 am

1 stop8h 57m

Portland

Mon 9/15

6:00 am-12:32 pm

1 stop8h 32m

$297

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 9/18

1:30 pm-12:09 am

1 stop7h 39m

Portland

Tue 9/23

6:00 am-12:44 pm

1 stop9h 44m

$297

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Mon 10/6

7:21 pm-10:59 am

2 stops12h 38m

Portland

Wed 11/12

5:40 am-11:36 am

1 stop8h 56m

$302

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Wed 8/20

7:16 am-5:46 pm

1 stop8h 30m

Portland

Mon 8/25

6:00 am-3:26 pm

2 stops11h 26m

$314

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 6/26

4:53 pm-11:45 am

1 stop15h 52m

Portland

Sun 6/29

12:46 pm-5:23 pm

1 stop7h 37m

$365

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sun 9/7

5:25 pm-9:50 am

2 stops14h 25m

Portland

Tue 9/16

3:40 pm-11:05 pm

2 stops9h 25m

$374

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 7/9

11:40 pm-12:06 pm

2 stops10h 26m

Portland

Tue 7/15

12:51 pm-12:09 am

2 stops13h 18m

$448

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 10/4

12:43 pm-10:43 pm

1 stop8h 00m

Portland

Sat 10/11

6:00 am-12:10 pm

1 stop8h 10m

$469

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 7/9

12:39 pm-10:01 pm

1 stop7h 22m

Portland

Tue 7/15

6:01 am-4:40 pm

2 stops12h 39m

$494

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 6/25

7:25 am-11:27 pm

2 stops13h 02m

Portland

Mon 6/30

3:37 pm-9:03 pm

1 stop8h 26m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 31 results
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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, January is the cheapest month in which you can book a flight from Idaho to Portland, Maine (average of $296). Flying from Idaho to Portland, Maine in July is currently the most expensive (average of $394). 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?

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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Portland, Maine as you normally would.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

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.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Idaho to Portland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
345 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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?

    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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from Sun Country Air and Delta, as they are both options that can get you from Idaho to Portland, Maine for a low price.

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

    The most popular flight routes from Idaho to Portland, Maine are Boise Air Term. Gowen Fld - Portland, Spokane - Portland and Jackson Hole - 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, January is the cheapest month in which you can book a flight from Idaho to Portland, Maine (average of $296). Flying from Idaho to Portland, Maine in July is currently the most expensive (average of $394). 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 Idaho?

Book flights to Idaho if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Alternative routes for Idaho to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Idaho to Portland

Discover the top 4 airlines that operate flights from Idaho 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$452FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$350Average$673FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$410Average$477FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$435Average$890FlexibilityNo cancel feeOn-time69%

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