Cheap flights from Pennsylvania to Idaho Falls from $161
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Idaho Falls departing on 8/17. 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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How to get the cheapest flight ticket from Pennsylvania to Idaho Falls
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 is the cheapest month to fly to Idaho Falls?
If you aren’t able to travel to Idaho Falls during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $520.
What is the cheapest day to depart on your flight to Idaho Falls?
Our data shows that Thursday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $574. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $938.
What is the cheapest time of day to depart on your flight to Idaho Falls?
Our most recent data shows that the best time of day to fly to Idaho Falls is at noon. Flights from Pennsylvania to Idaho Falls during this time can be as low as $557. Try not to purchase tickets in the afternoon because they tend to be around $686. Of course, these prices can vary depending on the time of year and what airport you fly to.
Can stopping save me money on Pennsylvania to Idaho Falls flights?
You could potentially save up to 13% on your flight if you consider stops on a Pennsylvania to Idaho Falls flight.
What is the cheapest airline that flies from Pennsylvania to Idaho Falls Fanning Field?
Hawaiian Airlines, American Airlines, and Delta are the most popular carriers operating from Pennsylvania to Idaho Falls Fanning Field
What airlines fly to Idaho Falls?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Pennsylvania according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.
Cheap Pennsylvania to Idaho Falls flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Idaho Falls
When did momondo last update prices for flights from Pennsylvania to Idaho Falls Fanning Field Airport?
Prices for flights from Pennsylvania to Idaho Falls Fanning Field Airport were last updated today.
How many operators does momondo search for flights from Pennsylvania to Idaho Falls Fanning Field Airport?
As of June 2025, there are 3 operators available to choose from for flights from Pennsylvania to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Pennsylvania to Idaho Falls Fanning Field 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 Pennsylvania to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Pennsylvania to Idaho Falls
Compare and see reviews for airlines that fly from Pennsylvania to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $288 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $310 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $414 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Pennsylvania to Idaho Falls?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Idaho Falls for you.
Can I find flights from Pennsylvania to Idaho Falls with flexible booking policies on momondo?
Yes. All flights to Idaho Falls from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Pennsylvania to Idaho Falls?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to Idaho Falls.
I’m not ready to book a flight from Pennsylvania to Idaho Falls right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Pennsylvania to Idaho Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.