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$451+ Cheap flights from Idaho Falls to Portland, ME (IDA - PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PWM
feb. 5 — feb. 121
jue. 2/5
jue. 2/12
1 adult, Economy
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Cheap 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 enero 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$451
(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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Find 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 enero 6, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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.
mié. 2/47:20 amIDA - PWM
2 stops13h 34mAmerican Airlines
mié. 2/1112:40 pmPWM - IDA
2 stops11h 56mAmerican Airlines
Deal found 1/6$451
This United Airlines deal was found by Cheapflights users on 1/6. 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.
mar. 2/2410:45 amIDA - PWM
2 stops10h 35mUnited Airlines
mar. 3/314:23 pmPWM - IDA
2 stops19h 30mUnited Airlines
Deal found 1/6$534
This United Airlines deal was found by Cheapflights users on 1/4. 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.
mar. 1/132:40 pmIDA - PWM
2 stops21h 59mUnited Airlines
sáb. 1/176:00 amPWM - IDA
2 stops11h 31mUnited Airlines
Deal found 1/4$774

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 enero 6, 2026.
Use the filters below to find and compare flights from Idaho Falls to Portland that are best for you.

Fly from

Idaho Falls

Fly to

Portland

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

mié. 2/4

7:20 am-10:54 pm

2 stops13h 34m

Portland

mié. 2/11

12:40 pm-10:36 pm

2 stops11h 56m

$451

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

mar. 2/24

10:45 am-11:20 pm

2 stops10h 35m

Portland

mar. 3/31

4:23 pm-9:53 am

2 stops19h 30m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Idaho Falls to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Portland in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Portland, Maine flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Portland, Maine flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 July is currently the most expensive (average of $460). 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 10h 35m. Fly via American Airlines or United Airlines to get the fastest option. Idaho Falls and Portland, Maine are separated by a distance of 2066 mi. This flight may include one or multiple stops.

  • 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 July is currently the most expensive (average of $460). 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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