$406+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — PWM
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho Falls to Portland
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Cheapest flights from Idaho Falls to PortlandExplore 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 September 10, 2026.
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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/71:43 pm -
1 stop7h 05m
Mon 9/142:03 pm -
1 stop25h 25m
Deal found 9/6![American Airlines logo]()
$826
Best flights from Idaho Falls to PortlandDiscover carefully curated flight deals from Idaho Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Idaho Falls to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 1/267:00 am -
2 stops12h 48m
Sat 1/306:00 am -
3 stops17h 08m
Deal found 9/6![United Airlines logo]()
$525
One-way flights from Idaho Falls to PortlandSearch for one-way flight options from Idaho Falls to Portland. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Idaho Falls to Portland. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 11/216:57 pm -
2 stops19h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:25 pm -
2 stops56h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/227:00 am -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 11/228:00 am -
2 stops12h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/217:00 am -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:01 pm -
3 stops51h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$541
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $505 (United Airlines) |
One-way from | $406 (Delta) |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Sun 11/22
7:00 am-4:02 pm
1 stop7h 02m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$433
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Sun 11/22
8:00 am-10:46 pm
2 stops12h 46m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$438
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Sat 11/21
6:57 pm-12:19 am
2 stops27h 22m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$461
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Sat 11/21
7:00 am-4:02 pm
1 stop7h 02m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$494
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Tue 1/26
7:00 am-9:48 pm
2 stops12h 48m
Portland
Sat 1/30
6:00 am-9:08 pm
3 stops17h 08m
$525
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Sun 11/22
12:01 pm-5:51 pm
3 stops51h 50m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$541
Idaho FallsPortland
IDA Idaho Falls Fanning Field - PWM Portland
IDAPWM
Idaho Falls Fanning Field
Fri 11/20
7:00 am-4:02 pm
1 stop7h 02m
Portland
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$642
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.
IDA-PWM
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.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated September 10, 2026.
See what other customers who have flown with American Airlines from Idaho Falls to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Food
6.4
Boarding
7.5
Entertainment
6.8
Comfort
7.2
Overall
7.1
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Crew
7.9
Food
6.4
Boarding
7.5
Entertainment
6.8
Comfort
7.2
Overall
7.1
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Lewiston
Brunswick
Conway
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Idaho Falls and Portland flights
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Top airline flying from Idaho Falls to Portland
Discover the top airline that operate flights from Idaho Falls to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$378 | Average$457 | FlexibilityNo cancel fee | On-time71% |