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Cheap flights from Idaho Falls to Portland from $736

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Portland departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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United Airlines Logo
6:25 am - 7:36 pmIDA-PWM
11h 11m2 stops
United Airlines Logo
5:45 am - 1:34 pmPWM-IDA
9h 49m2 stops
$736United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
10:45 am - 11:11 pmIDA-PWM
10h 26m2 stops
United Airlines Logo
7:10 pm - 1:34 pmPWM-IDA
20h 24m3 stops
$845United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11

United Airlines flights from Idaho Falls to Portland, Maine

Our best United Airlines deals on Idaho Falls to Portland, Maine flight tickets
United Airlines
Mar 10
IDA6:25 amIdaho Falls Fanning Field
11h 11m
2 stops
PWM7:36 pmPortland
Mar 11
PWM5:45 amPortland
9h 49m
2 stops
IDA1:34 pmIdaho Falls Fanning Field
$736
Find similar
United Airlines
Mar 10
IDA10:45 amIdaho Falls Fanning Field
10h 26m
2 stops
PWM11:11 pmPortland
Mar 11
PWM7:10 pmPortland
20h 24m
3 stops
IDA1:34 pmIdaho Falls Fanning Field
$845
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Portland, Maine 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, momondo users made 832,500 searches. Data last updated November 11, 2025.
Use the filters below to find and compare flights from Idaho Falls to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 3/10

6:25 am-7:36 pm

2 stops11h 11m

Portland

Wed 3/11

5:45 am-1:34 pm

2 stops9h 49m

$736

Idaho FallsPortland

IDA - PWM

IDAPWM

Idaho Falls Fanning Field

Tue 3/10

10:45 am-11:11 pm

2 stops10h 26m

Portland

Wed 3/11

7:10 pm-1:34 pm

3 stops20h 24m

$845

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Idaho Falls to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Portland, Maine?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Portland, Maine from Idaho Falls according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 3 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

When to book flights from Idaho Falls to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Portland, Maine (IDA to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Portland, Maine

Direct flights

None
There are no direct flights from Idaho Falls to Portland, Maine. There are no popular flight routes from Idaho Falls to Portland, Maine.
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  • How far is Idaho Falls Fanning Field to Portland by plane?

    There are 2067.7 mi between Idaho Falls Fanning Field and Portland. A reasonable flight in good conditions will take 10h 26m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Portland Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Portland Airport were last updated today.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Lewiston
Freeport
Brunswick
Bartlett
Auburn
Gorham
Windham
Intervale
Oxford
Bath
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Portland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho Falls to Portland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho Falls to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Idaho Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho Falls to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho Falls to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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