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Portland

$169+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 18, 2025.

Round-trip from

$337
(American Airlines)

One-way from

$169
(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 ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% 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 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/16. 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 8/276:00 amGEG - PWM
1 stop8h 46mAmerican Airlines
Tue 9/26:30 amPWM - GEG
1 stop8h 52mAmerican Airlines
Deal found 6/16$337
This Delta deal was found by Cheapflights users on 6/16. 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 6/16$342
This American Airlines deal was found by Cheapflights users on 6/17. 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 9/271:17 pmBOI - PWM
1 stop7h 26mAmerican Airlines
Mon 9/296:00 amPWM - BOI
1 stop8h 32mAmerican Airlines
Deal found 6/17$347
This Southwest deal was found by Cheapflights users on 6/17. 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.
Sat 9/275:10 amBOI - PWM
2 stops8h 55mSouthwest
Mon 9/293:30 pmPWM - BOI
2 stops10h 35mSouthwest
Deal found 6/17$357
This American Airlines deal was found by Cheapflights users on 6/16. 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 9/177:39 amJAC - PWM
1 stop8h 06mAmerican Airlines
Fri 9/267:53 amPWM - JAC
2 stops14h 06mAmerican Airlines
Deal found 6/16$379
This Delta deal was found by Cheapflights users on 6/15. 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 7/155:00 pmPWM - BOI
2 stops8h 59mDelta
Deal found 6/15$453
This Southwest deal was found by Cheapflights users on 6/15. 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 7/166:50 amGEG - PWM
2 stops13h 35mSouthwest
Wed 7/231:35 pmPWM - GEG
2 stops10h 50mSouthwest
Deal found 6/15$459
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/167:15 pmBOI - PWM
2 stops12h 09mUnited Airlines
Wed 7/236:10 amPWM - BOI
1 stop7h 33mUnited Airlines
Deal found 6/17$478
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/28:13 amSUN - PWM
2 stops13h 01mUnited Airlines
Sun 7/67:20 amPWM - SUN
1 stop8h 27mUnited Airlines
Deal found 6/17$504
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/95:30 amGEG - PWM
2 stops14h 44mUnited Airlines
Wed 8/65:35 amPWM - GEG
2 stops18h 28mUnited Airlines
Deal found 6/17$583
This United Airlines deal was found by Cheapflights users on 6/18. 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 9/177:00 amJAC - PWM
2 stops24h 24mUnited Airlines
Fri 9/265:45 amPWM - JAC
3 stops17h 04mUnited Airlines
Deal found 6/18$644
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:10 amBOI - PWM
2 stops13h 42mAlaska Airlines
Wed 9/242:02 pmPWM - BOI
2 stops11h 57mAlaska Airlines
Deal found 6/16$647

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 18, 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

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 8/27

6:00 am-5:46 pm

1 stop8h 46m

Portland

Tue 9/2

6:30 am-12:22 pm

1 stop8h 52m

$337

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

$342

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 9/27

1:17 pm-10:43 pm

1 stop7h 26m

Portland

Mon 9/29

6:00 am-12:32 pm

1 stop8h 32m

$347

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 9/27

5:10 am-4:05 pm

2 stops8h 55m

Portland

Mon 9/29

3:30 pm-12:05 am

2 stops10h 35m

$357

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Wed 9/17

7:39 am-5:45 pm

1 stop8h 06m

Portland

Fri 9/26

7:53 am-7:59 pm

2 stops14h 06m

$379

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

5:00 pm-11:59 pm

2 stops8h 59m

$453

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 7/16

6:50 am-11:25 pm

2 stops13h 35m

Portland

Wed 7/23

1:35 pm-9:25 pm

2 stops10h 50m

$459

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 7/16

7:15 pm-9:24 am

2 stops12h 09m

Portland

Wed 7/23

6:10 am-11:43 am

1 stop7h 33m

$478

HaileyPortland

SUN - PWM

SUNPWM

Hailey Sun Valley-Friedman

Wed 7/2

8:13 am-11:14 pm

2 stops13h 01m

Portland

Sun 7/6

7:20 am-1:47 pm

1 stop8h 27m

$504

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 7/9

5:30 am-11:14 pm

2 stops14h 44m

Portland

Wed 8/6

5:35 am-9:03 pm

2 stops18h 28m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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 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 18, 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 18, 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
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,809 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $169. However, be on the lookout for offers from Delta and Sun Country Air, 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 Idaho Falls Fanning Field - 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 18, 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$893FlexibilityNo cancel feeOn-time69%

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