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$363+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PWM
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
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 July 14, 2026.

This American Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 10/291:50 pm
IDA
-
PWM
1 stop7h 50m
American Airlines
Tue 11/35:40 pm
PWM
-
IDA
2 stops21h 47m
American Airlines
Deal found 7/10$436
This United Airlines deal was found by Cheapflights users on 7/10. 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 10/297:00 am
IDA
-
PWM
2 stops14h 23m
United Airlines
Tue 11/38:47 am
PWM
-
IDA
2 stops14h 34m
United Airlines
Deal found 7/10$460
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/197:00 am
IDA
-
PWM
1 stop9h 52m
American Airlines
Wed 8/269:52 am
PWM
-
IDA
2 stops13h 28m
American Airlines
Deal found 7/10$484
This Delta deal was found by Cheapflights users on 7/10. 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 8/256:00 am
IDA
-
PWM
2 stops15h 13m
Delta
Fri 8/282:53 pm
PWM
-
IDA
2 stops21h 57m
Delta
Deal found 7/10$508
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/197:00 am
IDA
-
PWM
1 stop9h 52m
American Airlines
Tue 8/257:28 am
PWM
-
IDA
2 stops15h 52m
American Airlines
Deal found 7/10$509
This Delta deal was found by Cheapflights users on 7/10. 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.
Fri 8/216:00 am
IDA
-
PWM
2 stops16h 59m
Delta
Wed 8/266:05 am
PWM
-
IDA
2 stops18h 27m
Delta
Deal found 7/10$538
This Delta deal was found by Cheapflights users on 7/10. 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.
Fri 8/216:00 am
IDA
-
PWM
2 stops16h 59m
Delta
Fri 8/282:53 pm
PWM
-
IDA
2 stops21h 57m
Delta
Deal found 7/10$540
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/255:53 pm
IDA
-
PWM
2 stops18h 41m
United Airlines
Sat 8/296:03 am
PWM
-
IDA
1 stop7h 35m
United Airlines
Deal found 7/10$557
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/221:43 pm
IDA
-
PWM
1 stop7h 05m
American Airlines
Wed 8/269:52 am
PWM
-
IDA
2 stops13h 28m
American Airlines
Deal found 7/10$558
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/197:00 am
IDA
-
PWM
1 stop9h 52m
American Airlines
Fri 8/289:52 am
PWM
-
IDA
2 stops13h 28m
American Airlines
Deal found 7/10$562
This Delta deal was found by Cheapflights users on 7/10. 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.
Fri 8/217:00 pm
IDA
-
PWM
2 stops17h 17m
Delta
Tue 8/256:00 am
PWM
-
IDA
2 stops18h 32m
Delta
Deal found 7/10$576

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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$436
(American Airlines)

One-way from

$363
(Kiwi.com)
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
One-way flight 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 July 14, 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

Tue 8/25

6:00 am-11:13 pm

2 stops15h 13m

Portland

Fri 8/28

2:53 pm-10:50 am

2 stops21h 57m

$508

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Fri 8/21

6:00 am-12:59 am

2 stops16h 59m

Portland

Fri 8/28

2:53 pm-10:50 am

2 stops21h 57m

$540

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 8/25

5:53 pm-2:34 pm

2 stops18h 41m

Portland

Sat 8/29

5:15 am-3:23 pm

2 stops12h 08m

$562

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Fri 8/21

7:00 pm-2:17 pm

2 stops17h 17m

Portland

Tue 8/25

6:00 am-10:32 pm

2 stops18h 32m

$576

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 12/12

5:57 pm-8:19 am

2 stops12h 22m

Portland

Tue 12/15

5:06 pm-9:28 am

3 stops18h 22m

$599
Quickest round-trip

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Sat 8/22

5:53 pm-9:08 am

2 stops13h 15m

Portland

Sat 8/29

6:03 am-11:38 am

1 stop7h 35m

$613
Cheapest one-way

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Fri 7/31

10:47 pm-9:12 am

2 stops56h 25m

$363
Quickest one-way

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 10/7

1:50 pm-11:40 pm

1 stop7h 50m

$374

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Wed 10/7

10:35 am-11:28 pm

2 stops10h 53m

$433

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Fri 7/31

12:53 pm-12:43 am

1 stop9h 50m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

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 15h 13m. Fly via Delta 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.

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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