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$379+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PWM
Sep 12 — Sep 191
Sat 9/12
Sat 9/19
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 August 13, 2026.

This American Airlines deal was found by Cheapflights users on 8/9. 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.
Fri 8/281:43 pm -
1 stop7h 05m
Sat 9/56:46 am -
1 stop9h 03m
Deal found 8/9$419
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/2610:35 am -
2 stops11h 24m
Wed 9/25:15 am -
2 stops12h 08m
Deal found 8/11$429
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/17:00 am -
1 stop6h 51m
Wed 9/96:06 am -
2 stops13h 10m
Deal found 8/9$447
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/251:43 pm -
1 stop7h 05m
Sat 8/296:46 am -
1 stop8h 23m
Deal found 8/10$459
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/2510:35 am -
2 stops8h 48m
Sat 8/296:03 am -
1 stop7h 35m
Deal found 8/10$464
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/17:00 am -
1 stop6h 51m
Sat 9/125:15 am -
2 stops12h 08m
Deal found 8/11$494
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/227:00 am -
2 stops13h 00m
Sat 8/296:46 am -
1 stop8h 23m
Deal found 8/9$498

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 August 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$419
(American Airlines)

One-way from

$379
(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 August 13, 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 Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Tue 8/25

10:35 am-9:23 pm

2 stops8h 48m

Portland

Sat 8/29

9:49 am-9:18 pm

2 stops13h 29m

$469

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Tue 8/25

10:35 am-11:59 pm

2 stops11h 24m

Portland

Sun 8/30

5:52 am-1:29 pm

2 stops9h 37m

$539

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Mon 8/31

1:43 pm-10:48 pm

1 stop7h 05m

Portland

Sat 9/5

6:46 am-1:49 pm

1 stop9h 03m

$603

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Fri 8/28

1:43 pm-10:48 pm

1 stop7h 05m

Portland

Sat 9/5

6:46 am-1:49 pm

1 stop9h 03m

$603

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Tue 1/12

5:57 pm-8:19 am

2 stops12h 22m

Portland

Sat 1/16

9:45 am-9:28 am

2 stops25h 43m

$605
Quickest round-trip

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Sun 8/23

7:00 am-3:51 pm

1 stop6h 51m

Portland

Sat 8/29

6:03 am-11:38 am

1 stop7h 35m

$659

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Tue 9/1

7:00 am-3:51 pm

1 stop6h 51m

Portland

Fri 9/4

7:35 pm-1:29 pm

2 stops19h 54m

$668

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Sun 8/30

7:00 am-3:51 pm

1 stop6h 51m

Portland

Sat 9/5

6:02 am-11:38 am

1 stop7h 36m

$678
Cheapest one-way
Quickest one-way

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Thu 10/8

1:50 pm-11:43 pm

1 stop7h 53m

$379

Idaho FallsPortland

IDA Idaho Falls Fanning Field - PWM Portland

IDAPWM

Idaho Falls Fanning Field

Thu 10/8

10:35 am-11:28 pm

2 stops10h 53m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

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 7h 05m. Fly via United Airlines or American 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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