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Idaho

$170+ Cheap flights from Portland, ME (PWM) to Idaho

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BOI
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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Cheap flight deals from Portland to Idaho

Keep the following information in mind while searching for Portland to Idaho flight deals. Data was last updated March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Southwest)

One-way from

$170
(Delta)

Popular in

June

Cheapest in

April

Average price

$654
Provider with most accurate pricing for Portland-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Portland-Boise Air Term. Gowen Fld flights.
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From Portland to Idaho
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One-way flight from Portland to Idaho
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Highest demand for flights based on searches. 21% potential increase in price ($175 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 March 2025
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Find flight deals from Portland to Idaho

Cheapest flights from Portland to Idaho
Explore the most affordable flight options available from Portland to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2025.

This Southwest deal was found by Cheapflights users on 3/4. 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 4/75:50 amPWM - GEG
2 stops14h 20mSouthwest
Thu 4/106:15 pmGEG - PWM
2 stops13h 50mSouthwest
Deal found 3/4$349
This Delta deal was found by Cheapflights users on 3/4. 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 4/35:30 amPWM - BOI
1 stop9h 14mDelta
Wed 4/91:45 pmBOI - PWM
1 stop8h 14mDelta
Deal found 3/4$364
This Southwest deal was found by Cheapflights users on 3/3. 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.
Thu 6/191:20 pmPWM - BOI
2 stops13h 10mSouthwest
Tue 6/245:05 amBOI - PWM
2 stops10h 00mSouthwest
Deal found 3/3$437
This Delta deal was found by Cheapflights users on 3/3. 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.
Thu 4/31:02 pmPWM - GEG
2 stops13h 59mDelta
Wed 4/99:50 amGEG - PWM
2 stops10h 20mDelta
Deal found 3/3$459
This Delta deal was found by Cheapflights users on 3/3. 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 3/115:30 amPWM - JAC
1 stop9h 42mDelta
Tue 3/182:24 pmJAC - PWM
1 stop7h 34mDelta
Deal found 3/3$489
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/116:10 amPWM - JAC
2 stops11h 23mUnited Airlines
Tue 3/1811:00 amJAC - PWM
2 stops10h 15mUnited Airlines
Deal found 3/3$499
This United Airlines deal was found by Cheapflights users on 3/4. 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 3/194:03 pmPWM - BOI
1 stop8h 42mUnited Airlines
Sun 3/236:56 pmBOI - PWM
2 stops13h 41mUnited Airlines
Deal found 3/4$507
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 6/177:41 amPWM - BOI
2 stops11h 05mAmerican Airlines
Wed 6/251:15 pmBOI - PWM
1 stop7h 26mAmerican Airlines
Deal found 3/3$562
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 3/1812:38 pmPWM - GEG
2 stops13h 26mAmerican Airlines
Sat 3/225:34 amGEG - PWM
2 stops13h 25mAmerican Airlines
Deal found 3/3$568
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Wed 7/236:38 amPWM - JAC
2 stops16h 15mAmerican Airlines
Tue 7/297:00 amJAC - PWM
2 stops11h 55mAmerican Airlines
Deal found 3/3$582
This Alaska Airlines deal was found by Cheapflights users on 3/4. 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.
Thu 4/32:21 pmPWM - BOI
3 stops22h 28mAlaska Airlines
Wed 4/98:08 amBOI - PWM
2 stops13h 46mAlaska Airlines
Deal found 3/4$592
This United Airlines deal was found by Cheapflights users on 3/4. 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 8/17:15 pmPWM - IDA
2 stops24h 02mUnited Airlines
Mon 8/114:15 pmIDA - PWM
2 stops14h 01mUnited Airlines
Deal found 3/4$713

Find flights from Portland to Idaho within your budget

Customize your flight search to find flights from Portland to Idaho 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 March 4, 2025.

Fly from

Portland

Fly to

Idaho

Route

Depart

Return

Price

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Mon 4/7

5:50 am-5:10 pm

2 stops14h 20m

Spokane

Thu 4/10

6:15 pm-11:05 am

2 stops13h 50m

$349

PortlandBoise

PWM - BOI

PWMBOI

Portland

Thu 4/3

5:30 am-12:44 pm

1 stop9h 14m

Boise Air Term. Gowen Fld

Wed 4/9

1:45 pm-11:59 pm

1 stop8h 14m

$364

PortlandBoise

PWM - BOI

PWMBOI

Portland

Thu 6/19

1:20 pm-12:30 am

2 stops13h 10m

Boise Air Term. Gowen Fld

Tue 6/24

5:05 am-5:05 pm

2 stops10h 00m

$437

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Thu 4/3

1:02 pm-12:01 am

2 stops13h 59m

Spokane

Wed 4/9

9:50 am-11:10 pm

2 stops10h 20m

$459

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 3/19

4:03 pm-10:45 pm

1 stop8h 42m

Boise Air Term. Gowen Fld

Sun 3/23

6:56 pm-10:37 am

2 stops13h 41m

$507

PortlandBoise

PWM - BOI

PWMBOI

Portland

Tue 6/17

7:41 am-4:46 pm

2 stops11h 05m

Boise Air Term. Gowen Fld

Wed 6/25

1:15 pm-10:41 pm

1 stop7h 26m

$562

PortlandSpokane

PWM - GEG

PWMGEG

Portland

Tue 3/18

12:38 pm-11:04 pm

2 stops13h 26m

Spokane

Sat 3/22

5:34 am-9:59 pm

2 stops13h 25m

$568

PortlandJackson

PWM - JAC

PWMJAC

Portland

Wed 7/23

6:38 am-8:53 pm

2 stops16h 15m

Jackson Hole

Tue 7/29

7:00 am-8:55 pm

2 stops11h 55m

$582

PortlandBoise

PWM - BOI

PWMBOI

Portland

Thu 4/3

2:21 pm-10:49 am

3 stops22h 28m

Boise Air Term. Gowen Fld

Wed 4/9

8:08 am-11:54 pm

2 stops13h 46m

$592

PortlandIdaho Falls

PWM - IDA

PWMIDA

Portland

Fri 8/1

7:15 pm-5:17 pm

2 stops24h 02m

Idaho Falls Fanning Field

Mon 8/11

4:15 pm-8:16 am

2 stops14h 01m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Portland to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Portland 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.

Travel insights for flights from Portland to Idaho

Get recent, data-driven insights about flights from Portland to Idaho including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portland, Maine to Idaho?

Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Idaho (average of $314). Flying from Portland, Maine to Idaho in June is currently the most expensive (average of $432). 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 PWM to ID?

Find hourly flight availability from Portland to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 4, 2025.

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

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated March 4, 2025.
Read through reviews of airlines operating flights from Portland to Idaho, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,331 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,713 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,061 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,678 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,331 reviews

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Portland to Idaho. 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 from for flights from Portland to Idaho?

    If you book a flight to Idaho from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $170. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Portland, Maine to Idaho for a low price.

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

    The most popular flight routes from Portland, Maine to Idaho are Portland - Jackson Hole, Portland - Boise Air Term. Gowen Fld and Portland - Spokane.

  • Can I find deals for flights from Portland to Idaho that include hotel bookings?

    Yes. In addition to deals on Portland to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Idaho.

  • Can I find deals for business class flights from Portland to Idaho?

    Yes. Cheapflights offers flight deals from Portland to Idaho 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 Portland, Maine to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Idaho (average of $314). Flying from Portland, Maine to Idaho in June is currently the most expensive (average of $432). 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

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Top 4 airlines flying from Portland to Idaho

Discover the top 4 airlines that operate flights from Portland to Idaho. 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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$345Average$636FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$356Average$798FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$375Average$716FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$419Average$557FlexibilityNo cancel feeOn-time63%
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