Ontario to Idaho Falls Flight tickets from €105

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Book flight tickets from Ontario to Idaho Falls starting at €105

Discover our range of affordable one-way and round-trip flights from Ontario to Idaho Falls and kick-start your next adventure today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Ontario to Idaho Falls

These price trend charts carefully monitor and predict how flight prices from Ontario to Idaho Falls will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Ontario to Idaho Falls

We have a range of prices from different airlines providing flights from Ontario to Idaho Falls. Check below for the journey which best suits your travel needs.

Alaska Airlines

From €105

Delta Air Lines

From €114

Frontier Airlines

From €118

United Airlines

From €139

American Airlines

From €149

Southwest Airlines

From €552

Find more flights and airlines

Alternative Routes from Ontario to Idaho Falls

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to Idaho Falls from Ontario which could help you save money and time.

Cheapest
ONT
16:15
6h 44m
1 transfer
IDA
23:59
Ontario International Airport - Idaho Falls Regional Airport
Wed, Nov 20Alaska Airlines
€105
ONT
16:15
6h 44m
1 transfer
IDA
23:59
Ontario International Airport - Idaho Falls Regional Airport
Wed, Nov 20Alaska Airlines
€105
Find More Flights

FAQ

When are flight tickets from Ontario (ONT) to Idaho Falls (IDA) the cheapest?
Airlines adjust prices for flights from Ontario to Idaho Falls based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Ontario (ONT) to Idaho Falls (IDA) cost?
According to Trip.com's data, the lowest price is around €374.
What is the transportation method from the main airport to downtown in Idaho Falls?
- The distance from Idaho Falls Regional Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Ontario to Idaho Falls

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Flight Information from Ontario to Idaho Falls

Cheapest nonstop flight price	€105
Off-season for travel	December
Peak season for travel	November
Flight distance	11,765.85 km
Popular airline	American Airlines