Cheap flights from Ontario to Idaho Falls from $164
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Idaho Falls departing on 7/26. 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 Ontario 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 day to depart on your flight to Idaho Falls?
Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $359. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $625.
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 Ontario to Idaho Falls during this time can be as low as $373. Try not to purchase tickets in the morning because they tend to be around $513. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest airline that flies from Ontario to Idaho Falls Fanning Field?
Alaska Airlines, Delta, and Hawaiian Airlines are the most popular carriers operating from Ontario to Idaho Falls Fanning Field
What airlines fly to Idaho Falls?
Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho Falls from Ontario according to our data. Delta is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 5 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Idaho Falls
Cheap Ontario to Idaho Falls (ONT to IDA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Idaho Falls
How far is Ontario to Idaho Falls Fanning Field by plane?
A flight from Ontario to Idaho Falls Fanning Field will travel around 715.8 mi. Flights usually cover this in 3h 34m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Ontario Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Idaho Falls Fanning Field Airport?
As of June 2025, there is 1 operator available to choose from for flights from Ontario Airport to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Ontario Airport to Idaho Falls Fanning Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Idaho Falls?
momondo data reveals that the most frequently booked airline on the route from Ontario to Idaho Falls is Delta, representing 100% of all bookings.
Best airlines flying from Ontario to Idaho Falls
Compare and see reviews for airlines that fly from Ontario to Idaho Falls with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $219 | Free Cancellation | Rating 8.0 7,950 reviews |
Traveling to a place near Idaho Falls?
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Why should I use momondo to find a flight deal from Ontario to Idaho Falls?
It is quick and easy to find Ontario to Idaho Falls flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho Falls that suits you.
Can I find flights from Ontario to Idaho Falls with flexible booking policies on momondo?
momondo does allow users to show only those flights to Idaho Falls from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario 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 Ontario to Idaho Falls.
I’m not ready to book a flight from Ontario to Idaho Falls right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario 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.