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$578+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PWM
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
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 June 30, 2026.

This United Airlines deal was found by Cheapflights users on 6/29. 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 12/55:57 pm
IDA
-
PWM
2 stops12h 22m
United Airlines
Wed 12/99:34 am
PWM
-
IDA
2 stops13h 34m
United Airlines
Deal found 6/29$578
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 9/141:58 pm
IDA
-
PWM
1 stop7h 49m
American Airlines
Fri 9/181:53 pm
PWM
-
IDA
1 stop25h 35m
American Airlines
Deal found 6/29$598
This United Airlines deal was found by Cheapflights users on 6/28. 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 12/57:00 am
IDA
-
PWM
2 stops13h 57m
United Airlines
Tue 12/84:48 pm
PWM
-
IDA
2 stops18h 40m
United Airlines
Deal found 6/28$601
This American Airlines deal was found by Cheapflights users on 6/29. 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 7/147:00 am
IDA
-
PWM
2 stops15h 43m
American Airlines
Sat 7/186:01 am
PWM
-
IDA
2 stops18h 37m
American Airlines
Deal found 6/29$876
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 9/147:00 am
IDA
-
PWM
1 stop6h 51m
United Airlines
Fri 9/183:37 pm
PWM
-
IDA
1 stop7h 41m
United Airlines
Deal found 6/29$1,257
This United Airlines deal was found by Cheapflights users on 6/29. 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 11/257:00 am
IDA
-
PWM
1 stop7h 02m
United Airlines
Sun 11/293:27 pm
PWM
-
IDA
1 stop7h 54m
United Airlines
Deal found 6/29$2,803
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/147:00 am
IDA
-
PWM
1 stop6h 49m
United Airlines
Sat 7/183:37 pm
PWM
-
IDA
1 stop7h 30m
United Airlines
Deal found 6/29$3,135

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 June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(United Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Portland flights.
Search Deals
From Idaho Falls Fanning Field to Portland
Search Deals

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 June 30, 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 12/5

5:57 pm-8:19 am

2 stops12h 22m

Portland

Wed 12/9

9:34 am-9:08 pm

2 stops13h 34m

$578

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 12/5

7:00 am-10:57 pm

2 stops13h 57m

Portland

Tue 12/8

4:48 pm-9:28 am

2 stops18h 40m

$601

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 7/14

12:53 pm-12:43 am

1 stop9h 50m

Portland

Sat 7/18

6:19 am-1:53 pm

1 stop9h 34m

$1,218
Quickest round-trip

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 11/25

7:00 am-4:02 pm

1 stop7h 02m

Portland

Sun 11/29

3:27 pm-9:21 pm

1 stop7h 54m

$2,803

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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.

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 12h 22m. Fly via United 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

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