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Portland

$179+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$342
(United Airlines)

One-way from

$179
(Delta)

Popular in

April

Cheapest in

January

Average price

$927
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
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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 ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. 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 4/307:30 amBOI - PWM
2 stops13h 57mUnited Airlines
Wed 5/72:37 pmPWM - BOI
2 stops10h 15mUnited Airlines
Deal found 3/31$342
This Southwest deal was found by Cheapflights users on 4/3. 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.
Mon 6/26:15 pmGEG - PWM
2 stops14h 15mSouthwest
Wed 6/111:35 pmPWM - GEG
2 stops10h 50mSouthwest
Deal found 4/3$382
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Fri 8/159:12 amGEG - PWM
2 stops12h 23mAmerican Airlines
Sat 8/236:00 amPWM - GEG
1 stop9h 35mAmerican Airlines
Deal found 4/3$394
This Southwest deal was found by Cheapflights users on 4/1. 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 4/306:15 pmBOI - PWM
2 stops14h 50mSouthwest
Sat 5/312:40 pmPWM - BOI
2 stops12h 00mSouthwest
Deal found 4/1$399
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 4/291:00 pmBOI - PWM
2 stops23h 19mDelta
Sat 5/35:20 amPWM - BOI
1 stop10h 00mDelta
Deal found 4/1$411
This Delta deal was found by Cheapflights users on 4/2. 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 10/610:59 pmGEG - PWM
1 stop9h 31mDelta
Wed 11/1212:50 pmPWM - GEG
2 stops12h 57mDelta
Deal found 4/2$432
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 12/234:00 pmJAC - PWM
2 stops16h 48mUnited Airlines
Fri 1/26:00 amPWM - JAC
1 stop9h 05mUnited Airlines
Deal found 4/2$483
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Sun 8/241:17 pmBOI - PWM
1 stop20h 15mAmerican Airlines
Tue 9/26:05 amPWM - BOI
2 stops12h 39mAmerican Airlines
Deal found 4/2$488
This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:30 amGEG - PWM
1 stop27h 22mUnited Airlines
Wed 11/129:30 amPWM - GEG
1 stop28h 25mUnited Airlines
Deal found 4/2$537
This United Airlines deal was found by Cheapflights users on 4/2. 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 5/74:22 pmIDA - PWM
2 stops15h 34mUnited Airlines
Wed 5/1412:37 pmPWM - IDA
2 stops22h 55mUnited Airlines
Deal found 4/2$578
This American Airlines deal was found by Cheapflights users on 4/2. 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 4/1712:53 pmJAC - PWM
2 stops23h 09mAmerican Airlines
Fri 4/252:33 pmPWM - JAC
2 stops23h 40mAmerican Airlines
Deal found 4/2$624
This Delta deal was found by Cheapflights users on 4/3. 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.
Tue 12/232:21 pmJAC - PWM
1 stop7h 53mDelta
Fri 1/26:05 amPWM - JAC
1 stop9h 02mDelta
Deal found 4/3$645

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 April 3, 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

Wed 4/30

7:30 am-11:27 pm

2 stops13h 57m

Portland

Wed 5/7

2:37 pm-10:52 pm

2 stops10h 15m

$342

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 6/28

7:05 am-11:35 pm

2 stops13h 30m

Portland

Wed 7/9

4:10 pm-12:05 am

2 stops10h 55m

$395

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Sat 9/20

6:07 am-10:46 pm

2 stops13h 39m

Portland

Sun 9/28

6:00 am-12:35 pm

1 stop9h 35m

$397

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 4/30

6:15 pm-11:05 am

2 stops14h 50m

Portland

Sat 5/3

12:40 pm-10:40 pm

2 stops12h 00m

$399

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/29

1:00 pm-2:19 pm

2 stops23h 19m

Portland

Sat 5/3

5:20 am-1:20 pm

1 stop10h 00m

$411

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sun 8/24

1:17 pm-11:32 am

1 stop20h 15m

Portland

Tue 9/2

6:05 am-4:44 pm

2 stops12h 39m

$488

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 5/7

4:22 pm-9:56 am

2 stops15h 34m

Portland

Wed 5/14

12:37 pm-9:32 am

2 stops22h 55m

$578

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Thu 4/17

12:53 pm-2:02 pm

2 stops23h 09m

Portland

Fri 4/25

2:33 pm-12:13 pm

2 stops23h 40m

$624

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-2:32 pm

3 stops22h 40m

Portland

Wed 5/7

8:20 pm-11:21 am

3 stops41h 01m

$659

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sun 9/14

3:03 pm-11:32 am

2 stops18h 29m

Portland

Sun 9/21

3:50 pm-12:12 pm

1 stop22h 22m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 23 results
1
2
3

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 May is currently the most expensive (average of $416). 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 April 3, 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 April 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to Portland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,827 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,827 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,274 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,619 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,827 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 Delta, with whom users have recently found tickets for as low as $179. However, be on the lookout for offers from United Airlines and American Airlines, 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 Spokane - Portland, Boise Air Term. Gowen Fld - 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 May is currently the most expensive (average of $416). 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

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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$330Average$678FlexibilityNo cancel feeOn-time71%
DeltaCheapest$375Average$512FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$411Average$486FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$472Average$1,006FlexibilityNo cancel feeOn-time69%

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