How long is the flight from Region of Ontario to Idaho Falls?

For as low as $553, United Airlines can have you in Idaho Falls from Region of Ontario in 18h 32m. The distance from Region of Ontario to Idaho Falls is about 1784 mi.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from ON to IDA?

When flying from Region of Ontario to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Idaho Falls from Ontario?

Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Idaho Falls from Ontario.

Can I find deals for flights from Ontario to Idaho Falls that include hotel bookings?

Yes. In addition to deals on Ontario to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Idaho Falls?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Idaho Falls.

Can I find deals for business class flights from Ontario to Idaho Falls?

Yes. Cheapflights offers flight deals from Ontario to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$553+ Flights from Ontario to Idaho Falls

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Cheap flight deals from Ontario to Idaho Falls

Round-trip from	$553 (United Airlines)

From Ontario to Idaho Falls Fanning Field

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Cheapest flights from Ontario to Idaho Falls
Explore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Wed 10/296:20 amYOW - IDA

2 stops18h 32mUnited Airlines

Fri 11/74:15 pmIDA - YOW

2 stops22h 17mUnited Airlines

Deal found 9/14

$553

Best flights from Ontario to Idaho Falls
Discover carefully curated flight deals from Ontario to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Wed 10/296:20 amYOW - IDA

2 stops18h 32mUnited Airlines

Fri 11/74:15 pmIDA - YOW

2 stops22h 17mUnited Airlines

Deal found 9/14

$553

Last-minute flights from Ontario to Idaho Falls
Discover last-minute flight deals from Ontario to Idaho Falls. Data last updated September 15, 2025 and is based on user searches.

Wed 10/296:20 amYOW - IDA

2 stops18h 32mUnited Airlines

Fri 11/74:15 pmIDA - YOW

2 stops22h 17mUnited Airlines

Deal found 9/14

$553

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaIdaho Falls

YOW - IDA

YOWIDA

Ottawa

Wed 10/29

6:20 am-10:52 pm

2 stops18h 32m

Idaho Falls Fanning Field

Fri 11/7

4:15 pm-4:32 pm

2 stops22h 17m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Ontario to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Ontario with our price prediction graph.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Idaho Falls

What is the cheapest month to book a flight from Region of Ontario to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Idaho Falls (average of $380). Flying from Region of Ontario to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Idaho Falls from Ontario?
Located just 3.8 mi from the city center, Idaho Falls Fanning Field (IDA) is the airport most travelers will use when flying to Idaho Falls from Ontario.
How long is the flight from Region of Ontario to Idaho Falls?
For as low as $553, United Airlines can have you in Idaho Falls from Region of Ontario in 18h 32m. The distance from Region of Ontario to Idaho Falls is about 1784 mi.
Can I find deals for flights from Ontario to Idaho Falls that include hotel bookings?
Yes. In addition to deals on Ontario to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Idaho Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Idaho Falls.
Can I find deals for business class flights from Ontario to Idaho Falls?
Yes. Cheapflights offers flight deals from Ontario to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Idaho Falls?
Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Idaho Falls (average of $380). Flying from Region of Ontario to Idaho Falls in December is currently the most expensive (average of $578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$553+ Cheap flights from Ontario to Idaho Falls (IDA)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Idaho Falls with Cheapflights

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Cheap flight deals from Ontario to Idaho Falls

Keep the following information in mind while searching for Ontario to Idaho Falls flight deals. Data was last updated September 15, 2025.

Round-trip from

Find flight deals from Ontario to Idaho Falls

Cheapest flights from Ontario to Idaho FallsExplore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Idaho Falls that are best for you.

Best time to book a flight from Ontario to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Idaho Falls

What is the cheapest month to book a flight from Region of Ontario to Idaho Falls?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Idaho Falls from Ontario?

How long is the flight from Region of Ontario to Idaho Falls?

Can I find deals for flights from Ontario to Idaho Falls that include hotel bookings?

How can I find direct flights from Ontario to Idaho Falls?

Can I find deals for business class flights from Ontario to Idaho Falls?

What is the cheapest month to book a flight from Region of Ontario to Idaho Falls?

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Cheapest flights from Ontario to Idaho Falls
Explore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.