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$214+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$354
(Delta)

One-way from

$214
(Delta)

Popular in

May

Cheapest in

January

Average price

$659
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. 10% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 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 24, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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 8/201:43 pmBOI - PWM
1 stop8h 16mDelta
Sat 8/236:00 amPWM - BOI
1 stop8h 31mDelta
Deal found 4/22$354
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 8/55:54 amGEG - PWM
2 stops14h 05mAmerican Airlines
Tue 8/126:00 amPWM - GEG
1 stop9h 35mAmerican Airlines
Deal found 4/23$356
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 5/296:15 pmGEG - PWM
2 stops13h 50mSouthwest
Wed 6/42:20 pmPWM - GEG
2 stops11h 55mSouthwest
Deal found 4/22$357
This American Airlines deal was found by Cheapflights users on 4/22. 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 6/127:00 amJAC - PWM
1 stop8h 43mAmerican Airlines
Sat 8/166:00 amPWM - JAC
2 stops11h 00mAmerican Airlines
Deal found 4/22$374
This Southwest deal was found by Cheapflights users on 4/22. 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 8/206:00 amBOI - PWM
2 stops10h 20mSouthwest
Sat 8/231:15 pmPWM - BOI
2 stops10h 25mSouthwest
Deal found 4/22$376
This Delta deal was found by Cheapflights users on 4/22. 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 8/57:21 pmGEG - PWM
2 stops12h 35mDelta
Tue 8/1212:50 pmPWM - GEG
2 stops14h 29mDelta
Deal found 4/22$425
This American Airlines deal was found by Cheapflights users on 4/23. 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 10/171:17 pmBOI - PWM
1 stop7h 29mAmerican Airlines
Tue 10/211:17 pmPWM - BOI
2 stops12h 19mAmerican Airlines
Deal found 4/23$432
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 8/1512:39 pmBOI - PWM
1 stop23h 45mUnited Airlines
Mon 8/185:35 amPWM - BOI
2 stops12h 20mUnited Airlines
Deal found 4/23$482
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/86:00 amGEG - PWM
2 stops14h 27mUnited Airlines
Mon 5/125:30 amPWM - GEG
2 stops10h 08mUnited Airlines
Deal found 4/23$537
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/308:00 amJAC - PWM
2 stops13h 57mUnited Airlines
Mon 6/27:09 pmPWM - JAC
2 stops20h 39mUnited Airlines
Deal found 4/22$604
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/299:28 amGEG - PWM
3 stops25h 39mMultiple Airlines
Wed 6/410:23 amPWM - GEG
3 stops25h 22mMultiple Airlines
Deal found 4/22$690

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 24, 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 8/20

1:43 pm-11:59 pm

1 stop8h 16m

Portland

Sat 8/23

6:00 am-12:31 pm

1 stop8h 31m

$354

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 5/29

6:15 pm-11:05 am

2 stops13h 50m

Portland

Wed 6/4

2:20 pm-11:15 pm

2 stops11h 55m

$357

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Thu 6/12

7:00 am-5:43 pm

1 stop8h 43m

Portland

Sat 8/16

6:00 am-3:00 pm

2 stops11h 00m

$374

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 8/20

6:00 am-6:20 pm

2 stops10h 20m

Portland

Sat 8/23

1:15 pm-9:40 pm

2 stops10h 25m

$376

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 10/17

1:17 pm-10:46 pm

1 stop7h 29m

Portland

Tue 10/21

1:17 pm-11:36 pm

2 stops12h 19m

$432

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 5/29

12:39 pm-11:59 pm

1 stop8h 20m

Portland

Wed 6/4

5:00 pm-11:38 pm

2 stops9h 38m

$440

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 8/15

12:39 pm-2:24 pm

1 stop23h 45m

Portland

Mon 8/18

5:35 am-3:55 pm

2 stops12h 20m

$482

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 5/8

6:00 am-11:27 pm

2 stops14h 27m

Portland

Mon 5/12

5:30 am-12:38 pm

2 stops10h 08m

$537

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Fri 5/30

8:00 am-11:57 pm

2 stops13h 57m

Portland

Mon 6/2

7:09 pm-1:48 pm

2 stops20h 39m

$604

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 5/29

9:28 am-2:07 pm

3 stops25h 39m

Portland

Wed 6/4

10:23 am-8:45 am

3 stops25h 22m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 20 results
1
2

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 24, 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 24, 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
4,286 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 $214. However, be on the lookout for offers from American Airlines and United 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 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 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$330Average$673FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$411Average$494FlexibilityNo cancel feeOn-time63%
DeltaCheapest$416Average$512FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$472Average$1,005FlexibilityNo cancel feeOn-time69%

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