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Portland

$184+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — PWM
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap 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 18, 2026.

This American Airlines deal was found by Cheapflights users on 2/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:43 pm
IDA
-
PWM
1 stop6h 22m
American Airlines
Tue 10/277:14 am
PWM
-
IDA
1 stop7h 06m
American Airlines
Deal found 2/15$329
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 5/51:29 pm
BOI
-
PWM
1 stop8h 44m
American Airlines
Wed 5/137:07 am
PWM
-
BOI
1 stop7h 42m
American Airlines
Deal found 2/17$367
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 3/1812:25 pm
GEG
-
PWM
1 stop8h 09m
American Airlines
Wed 3/256:17 am
PWM
-
GEG
1 stop8h 27m
American Airlines
Deal found 2/17$367
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
GEG
-
PWM
2 stops14h 37m
American Airlines
Tue 3/246:17 am
PWM
-
GEG
1 stop8h 27m
American Airlines
Deal found 2/18$372
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:40 pm
BOI
-
PWM
2 stops13h 25m
Delta
Thu 4/236:30 am
PWM
-
BOI
2 stops15h 30m
Delta
Deal found 2/18$377
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 4/287:48 am
IDA
-
PWM
2 stops14h 25m
American Airlines
Tue 5/51:18 pm
PWM
-
IDA
2 stops12h 21m
American Airlines
Deal found 2/17$386
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Wed 3/42:13 pm
JAC
-
PWM
1 stop7h 07m
United Airlines
Mon 3/95:45 am
PWM
-
JAC
1 stop7h 39m
United Airlines
Deal found 2/14$389
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:29 pm
BOI
-
PWM
1 stop8h 44m
American Airlines
Thu 4/237:07 am
PWM
-
BOI
1 stop7h 42m
American Airlines
Deal found 2/18$389
This American Airlines deal was found by Cheapflights users on 2/16. 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 4/112:25 pm
GEG
-
PWM
1 stop8h 09m
American Airlines
Wed 4/157:07 am
PWM
-
GEG
1 stop8h 22m
American Airlines
Deal found 2/16$415
This Delta deal was found by Cheapflights users on 2/15. 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.
Tue 10/66:20 am
GEG
-
PWM
2 stops14h 29m
Delta
Thu 10/294:50 pm
PWM
-
GEG
2 stops9h 52m
Delta
Deal found 2/15$417
This United Airlines deal was found by Cheapflights users on 2/15. 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.
Tue 10/275:00 am
IDA
-
PWM
1 stop8h 49m
United Airlines
Tue 11/35:30 am
PWM
-
IDA
2 stops13h 52m
United Airlines
Deal found 2/15$424
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Wed 3/1812:25 pm
GEG
-
PWM
1 stop8h 09m
American Airlines
Tue 3/246:17 am
PWM
-
GEG
2 stops13h 37m
American Airlines
Deal found 2/17$426

Find 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 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$367
(American Airlines)

One-way from

$184
(Delta)

Popular in

January

Cheapest in

October

Average price

$852
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. 29% potential increase in price ($319 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 18, 2026.
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 3/18

12:25 pm-11:34 pm

1 stop8h 09m

Portland

Tue 3/24

6:17 am-11:44 am

1 stop8h 27m

$367

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 3/18

12:25 pm-11:34 pm

1 stop8h 09m

Portland

Wed 3/25

6:17 am-11:44 am

1 stop8h 27m

$367

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Tue 3/17

6:00 am-11:37 pm

2 stops14h 37m

Portland

Tue 3/24

6:17 am-11:44 am

1 stop8h 27m

$372

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 5/5

7:24 am-12:46 am

2 stops15h 22m

Portland

Wed 5/13

12:52 pm-10:13 pm

2 stops11h 21m

$377

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

8:40 pm-12:05 pm

2 stops13h 25m

Portland

Thu 4/23

6:30 am-8:00 pm

2 stops15h 30m

$377

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 4/28

7:48 am-12:13 am

2 stops14h 25m

Portland

Tue 5/5

1:18 pm-11:39 pm

2 stops12h 21m

$386

JacksonPortland

JAC - PWM

JACPWM

Jackson Hole

Wed 3/4

2:13 pm-11:20 pm

1 stop7h 07m

Portland

Mon 3/9

5:45 am-11:24 am

1 stop7h 39m

$389

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 4/14

1:29 pm-12:13 am

1 stop8h 44m

Portland

Thu 4/23

7:07 am-12:49 pm

1 stop7h 42m

$389

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 5/5

6:00 am-10:13 pm

2 stops14h 13m

Portland

Wed 5/13

7:07 am-12:49 pm

1 stop7h 42m

$402

SpokanePortland

GEG - PWM

GEGPWM

Spokane

Wed 4/1

12:25 pm-11:34 pm

1 stop8h 09m

Portland

Wed 4/15

7:07 am-12:29 pm

1 stop8h 22m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 46 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, April is the cheapest month in which you can book a flight from Idaho to Portland, Maine (average of $163). Flying from Idaho to Portland, Maine in July is currently the most expensive (average of $366). 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.

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 7h 07m. American Airlines provides one of the quickest options available for as low as $389. Idaho and Portland, Maine are separated by a distance of 2000 mi. This flight may include one or multiple stops.

  • 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, April is the cheapest month in which you can book a flight from Idaho to Portland, Maine (average of $163). Flying from Idaho to Portland, Maine in July is currently the most expensive (average of $366). 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
North Conway
Brunswick
Auburn
Conway

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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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$350Average$586FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$747FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$410Average$494FlexibilityNo cancel feeOn-time63%

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