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$254+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
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 septiembre 16, 2025.

Round-trip from

$342
(United Airlines)

One-way from

$254
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$527
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. 11% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 10/215:05 amGEG - PWM
1 stop7h 43mUnited Airlines
mié. 10/2910:45 amPWM - GEG
2 stops15h 44mUnited Airlines
Deal found 9/14$342
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 10/217:23 pmGEG - PWM
2 stops12h 13mDelta
jue. 10/306:00 amPWM - GEG
1 stop8h 41mDelta
Deal found 9/15$353
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/227:00 amJAC - PWM
2 stops12h 44mUnited Airlines
sáb. 10/256:14 amPWM - JAC
1 stop7h 06mUnited Airlines
Deal found 9/15$354
This Delta deal was found by Cheapflights users on 9/14. 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.
mar. 10/75:05 amGEG - PWM
2 stops16h 00mDelta
mié. 10/226:00 amPWM - GEG
1 stop8h 41mDelta
Deal found 9/14$361
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 10/75:40 amGEG - PWM
2 stops11h 34mAmerican Airlines
mar. 10/216:00 amPWM - GEG
2 stops13h 23mAmerican Airlines
Deal found 9/14$367
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/215:05 amGEG - PWM
1 stop7h 43mUnited Airlines
jue. 10/303:20 pmPWM - GEG
1 stop8h 25mUnited Airlines
Deal found 9/15$378
This Delta deal was found by Cheapflights users on 9/15. 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.
lun. 10/277:23 pmGEG - PWM
2 stops13h 37mDelta
mar. 11/46:00 amPWM - GEG
1 stop8h 41mDelta
Deal found 9/15$394
This Delta deal was found by Cheapflights users on 9/15. 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.
dom. 10/2611:15 pmGEG - PWM
1 stop10h 07mDelta
mar. 11/46:00 amPWM - GEG
2 stops13h 00mDelta
Deal found 9/15$397
This Southwest deal was found by Cheapflights users on 9/15. 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.
mié. 10/225:25 amGEG - PWM
2 stops11h 30mSouthwest
jue. 10/301:30 pmPWM - GEG
2 stops13h 20mSouthwest
Deal found 9/15$398
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/17:39 amJAC - PWM
2 stops10h 32mAmerican Airlines
sáb. 11/16:20 amPWM - JAC
1 stop8h 23mAmerican Airlines
Deal found 9/14$399
This Delta deal was found by Cheapflights users on 9/14. 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.
vie. 11/711:39 pmBOI - PWM
2 stops12h 19mDelta
mar. 11/116:00 amPWM - BOI
1 stop8h 44mDelta
Deal found 9/14$404
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/17:00 amJAC - PWM
2 stops14h 13mUnited Airlines
sáb. 11/19:45 amPWM - JAC
2 stops12h 52mUnited Airlines
Deal found 9/14$451

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 septiembre 16, 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

mar. 10/7

5:05 am-9:44 pm

2 stops13h 39m

Portland

mar. 10/21

6:14 am-11:42 am

1 stop8h 28m

$342

SpokanePortland

GEG - PWM

GEGPWM

Spokane

mar. 10/21

5:40 am-10:45 pm

2 stops14h 05m

Portland

mié. 10/29

6:14 am-12:20 pm

1 stop9h 06m

$342

SpokanePortland

GEG - PWM

GEGPWM

Spokane

mar. 10/21

5:05 am-3:48 pm

1 stop7h 43m

Portland

mié. 10/29

10:45 am-11:29 pm

2 stops15h 44m

$342

SpokanePortland

GEG - PWM

GEGPWM

Spokane

mar. 10/21

7:23 pm-10:36 am

2 stops12h 13m

Portland

jue. 10/30

6:00 am-11:41 am

1 stop8h 41m

$353

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

mié. 10/22

7:00 am-9:44 pm

2 stops12h 44m

Portland

sáb. 10/25

6:14 am-11:20 am

1 stop7h 06m

$354

SpokanePortland

GEG - PWM

GEGPWM

Spokane

mar. 10/7

5:05 am-12:05 am

2 stops16h 00m

Portland

mié. 10/22

6:00 am-11:41 am

1 stop8h 41m

$361

SpokanePortland

GEG - PWM

GEGPWM

Spokane

mar. 10/21

5:05 am-3:48 pm

1 stop7h 43m

Portland

jue. 10/30

3:20 pm-8:45 pm

1 stop8h 25m

$378

SpokanePortland

GEG - PWM

GEGPWM

Spokane

lun. 10/27

7:23 pm-12:00 pm

2 stops13h 37m

Portland

mar. 11/4

6:00 am-11:41 am

1 stop8h 41m

$394

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

mié. 10/1

7:39 am-8:11 pm

2 stops10h 32m

Portland

sáb. 11/1

6:20 am-12:43 pm

1 stop8h 23m

$399

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

vie. 11/7

11:39 pm-1:58 pm

2 stops12h 19m

Portland

mar. 11/11

6:00 am-12:44 pm

1 stop8h 44m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 42 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 septiembre 16, 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.

How much does it cost to fly round-trip from Idaho to Portland, Maine?

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.

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

    A quick flight from Idaho to Portland, Maine can take about 12h 13m. United Airlines provides one of the quickest options available for as low as $353. Idaho and Portland, Maine are separated by a distance of 2261 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $254. However, be on the lookout for offers from Delta 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, Jackson Hole - Portland and Boise Air Term. Gowen Fld - 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 Portland?

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

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Top 3 airlines flying from Idaho to Portland

Discover the top 3 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$364Average$666FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$410Average$486FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$427Average$813FlexibilityNo cancel feeOn-time69%

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