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$268+ Cheap flights from Idaho Falls to Portland, ME (IDA - 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PWM
May 7 — May 141
Thu 5/7
Thu 5/14
1 adult, Economy
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Cheap flight deals from Idaho Falls to Portland

Cheapest flights from Idaho Falls to Portland
Explore the most affordable flight options available from Idaho Falls to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.

This American Airlines deal was found by Cheapflights users on 4/5. 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 9/237:00 am
IDA
-
PWM
1 stop9h 31m
American Airlines
Wed 9/307:13 am
PWM
-
IDA
1 stop6h 59m
American Airlines
Deal found 4/5$494
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 7/47:00 am
IDA
-
PWM
1 stop7h 44m
American Airlines
Tue 7/1410:01 am
PWM
-
IDA
2 stops14h 10m
American Airlines
Deal found 4/6$551
This United Airlines deal was found by Cheapflights users on 4/6. 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 10/2810:45 am
IDA
-
PWM
2 stops11h 14m
United Airlines
Sat 10/315:30 am
PWM
-
IDA
2 stops13h 52m
United Airlines
Deal found 4/6$559
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Sat 9/267:00 am
IDA
-
PWM
2 stops13h 49m
American Airlines
Wed 9/309:01 am
PWM
-
IDA
2 stops14h 21m
American Airlines
Deal found 4/5$627

Find flight deals from Idaho Falls to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$494
(American Airlines)

One-way from

$268
(American Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Portland flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Portland flights.
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From Idaho Falls Fanning Field to Portland
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One-way flight from Idaho Falls Fanning Field to Portland
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 7, 2026.
Use the filters below to find and compare flights from Idaho Falls to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 7/4

7:00 am-4:44 pm

1 stop7h 44m

Portland

Tue 7/14

10:01 am-10:11 pm

2 stops14h 10m

$551

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 9/22

1:44 pm-12:13 am

1 stop8h 29m

Portland

Tue 9/29

4:03 pm-12:12 pm

1 stop22h 09m

$693
Quickest round-trip

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 9/23

7:00 am-6:31 pm

1 stop9h 31m

Portland

Sat 10/3

7:13 am-12:12 pm

1 stop6h 59m

$721

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Fri 9/25

7:00 am-6:31 pm

1 stop9h 31m

Portland

Wed 9/30

7:13 am-12:12 pm

1 stop6h 59m

$726

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 9/23

7:00 am-6:31 pm

1 stop9h 31m

Portland

Fri 10/2

2:04 pm-11:32 am

2 stops23h 28m

$747

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 9/23

5:53 pm-10:44 am

2 stops14h 51m

Portland

Sat 10/3

6:20 pm-9:28 am

2 stops17h 08m

$748

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 9/23

2:30 pm-10:44 am

2 stops18h 14m

Portland

Tue 9/29

6:00 am-5:22 pm

2 stops13h 22m

$752
Cheapest one-way
Quickest one-way

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 4/14

7:48 am-11:27 pm

2 stops13h 39m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Idaho Falls-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Portland

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Portland, Maine (average of $290). Flying from Idaho Falls to Portland, Maine in April is currently the most expensive (average of $640). 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 Falls to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Idaho Falls to Portland, Maine in 7h 44m. Fly via American Airlines to get the fastest option. Idaho Falls and Portland, Maine are separated by a distance of 2066 mi.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Portland, Maine (average of $290). Flying from Idaho Falls to Portland, Maine in April is currently the most expensive (average of $640). 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
Lewiston
Conway

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