HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$219+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Portland with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$356
(Delta)

One-way from

$219
(Southwest)

Popular in

June

Cheapest in

January

Average price

$735
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Portland flights.
Search Deals
From Idaho to Portland
Search Deals
One-way flight from Idaho to Portland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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 4/311:30 pmBOI - PWM
2 stops10h 39mDelta
Tue 4/85:30 amPWM - BOI
1 stop9h 14mDelta
Deal found 2/19$356
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/56:32 amGEG - PWM
2 stops12h 53mAmerican Airlines
Wed 9/177:10 amPWM - GEG
1 stop8h 49mAmerican Airlines
Deal found 2/19$394
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:55 pmBOI - PWM
1 stop14h 40mSun Country Air
Sun 8/1012:32 pmPWM - BOI
1 stop7h 24mSun Country Air
Deal found 2/20$395
This Southwest deal was found by Cheapflights users on 2/19. 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 9/83:55 pmGEG - PWM
2 stops14h 55mSouthwest
Mon 9/1510:35 amPWM - GEG
1 stop7h 45mSouthwest
Deal found 2/19$432
This Southwest deal was found by Cheapflights users on 2/19. 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 6/47:05 pmBOI - PWM
2 stops13h 35mSouthwest
Sun 6/87:55 pmPWM - BOI
1 stop7h 25mSouthwest
Deal found 2/19$462
This Mytrip deal was found by Cheapflights users on 2/19. 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 3/61:31 pmBOI - PWM
3 stops26h 07mMultiple Airlines
Mon 3/105:50 pmPWM - BOI
3 stops44h 42mMultiple Airlines
Deal found 2/19$465
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 10/510:59 pmGEG - PWM
1 stop9h 40mDelta
Thu 11/66:00 amPWM - GEG
1 stop8h 28mDelta
Deal found 2/20$477
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/612:10 pmBOI - PWM
2 stops9h 37mUnited Airlines
Mon 3/106:10 amPWM - BOI
2 stops13h 40mUnited Airlines
Deal found 2/19$537
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 10/187:30 amGEG - PWM
1 stop10h 57mUnited Airlines
Sat 10/256:00 amPWM - GEG
1 stop7h 57mUnited Airlines
Deal found 2/19$577
This American Airlines deal was found by Cheapflights users on 2/20. 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 9/1712:02 pmJAC - PWM
2 stops9h 43mAmerican Airlines
Fri 9/2612:32 pmPWM - JAC
1 stop25h 26mAmerican Airlines
Deal found 2/20$587
This American Airlines deal was found by Cheapflights users on 2/20. 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 7/222:11 amBOI - PWM
2 stops11h 52mAmerican Airlines
Sat 8/96:00 amPWM - BOI
2 stops12h 44mAmerican Airlines
Deal found 2/20$637
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 10/186:40 amGEG - PWM
2 stops14h 00mAlaska Airlines
Sat 10/254:09 pmPWM - GEG
3 stops18h 51mAlaska Airlines
Deal found 2/19$682

Find flights from Idaho to Portland within your budget

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 February 20, 2025.

Fly from

Idaho

Fly to

Portland

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 4/3

11:30 pm-12:09 pm

2 stops10h 39m

Portland

Tue 4/8

5:30 am-12:44 pm

1 stop9h 14m

$356

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 3/5

6:32 am-10:25 pm

2 stops12h 53m

Portland

Wed 9/17

7:10 am-12:59 pm

1 stop8h 49m

$394

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sun 8/3

6:55 pm-11:35 am

1 stop14h 40m

Portland

Sun 8/10

12:32 pm-5:56 pm

1 stop7h 24m

$395

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 6/4

7:05 pm-10:40 am

2 stops13h 35m

Portland

Sun 6/8

7:55 pm-1:20 am

1 stop7h 25m

$462

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 3/6

1:31 pm-5:38 pm

3 stops26h 07m

Portland

Mon 3/10

5:50 pm-12:32 pm

3 stops44h 42m

$465

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Tue 7/8

6:05 am-11:25 pm

2 stops14h 20m

Portland

Sun 7/13

5:40 am-1:55 pm

2 stops11h 15m

$523

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 3/6

1:10 pm-11:55 pm

1 stop7h 45m

Portland

Mon 3/10

3:00 pm-10:40 pm

2 stops10h 40m

$532

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 3/6

12:10 pm-11:47 pm

2 stops9h 37m

Portland

Mon 3/10

6:10 am-5:50 pm

2 stops13h 40m

$537

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 7/22

2:11 am-4:03 pm

2 stops11h 52m

Portland

Sat 8/9

6:00 am-4:44 pm

2 stops12h 44m

$637

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Thu 3/6

6:00 am-11:47 pm

2 stops14h 47m

Portland

Mon 3/10

6:10 am-5:30 pm

2 stops14h 20m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 24 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.

Travel insights for flights from Idaho to Portland

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

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 April is currently the most expensive (average of $498). 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 February 20, 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 February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Southwest, with whom users have recently found tickets for as low as $219. However, be on the lookout for offers from United Airlines and Delta, 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 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 April is currently the most expensive (average of $498). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boston flights
Dallas/Fort Worth to Boston flights
O'Hare Intl to Boston flights
San Francisco to Boston flights
Philadelphia to Boston flights
Seattle to Boston flights
Newark to Boston flights
Reagan-National to Boston flights
Dulles Intl to Boston flights
Denver to Boston flights
Baltimore to Boston flights
LaGuardia to Boston flights
Charlotte to Boston flights
Minneapolis to Boston flights
Hobby to Boston flights
Atlanta to Boston flights
Raleigh to Boston flights
Austin to Boston flights
George Bush Intcntl to Boston flights
John F Kennedy Intl to Boston flights
Miami to Boston flights
Sky Harbor Intl to Boston flights
Orlando to Boston flights
Detroit to Boston flights
Fort Lauderdale to Boston flights
Pittsburgh to Boston flights
Tampa to Boston flights
San Diego to Boston flights
Cincinnati to Boston flights
Cleveland to Boston flights
Indianapolis to Boston flights
Ontario to Boston flights
Columbus to Boston flights
Portland to Boston flights
West Palm Beach to Boston flights
Midway to Boston flights
Salt Lake City to Boston flights
Kansas City to Boston flights
Burbank to Boston flights
Milwaukee to Boston flights
Santa Ana to Boston flights
Richmond to Boston flights
Dulles Intl to Portland flights
Atlantic City to Boston flights
O'Hare Intl to Portland flights
Fort Myers to Boston flights
Love Field to Boston flights
St. Louis to Boston flights
San Antonio to Boston flights
Nashville to Boston flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$330Average$717FlexibilityNo cancel feeOn-time71%
DeltaCheapest$416Average$577FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$421Average$486FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$472Average$995FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.