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

For as low as $304, United Airlines can have you in Idaho Falls from Region of Ontario in 29h 24m. 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.

$304+ Flights from Ontario to Idaho Falls

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Cheap flight deals from Ontario to Idaho Falls

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 December 18, 2025.

Mon 4/1310:00 amYOW - IDA

2 stops29h 24mUnited Airlines

Wed 4/152:35 pmIDA - YOW

2 stops21h 10mUnited Airlines

Deal found 12/15

$304

Sat 1/315:11 pmYOW - IDA

2 stops18h 45mUnited Airlines

Sat 2/72:40 pmIDA - YOW

2 stops26h 12mUnited Airlines

Deal found 12/17

$312

Last-minute flights from Ontario to Idaho Falls
Discover last-minute flight deals from Ontario to Idaho Falls. Data last updated December 18, 2025 and is based on user searches.

Sat 1/315:11 pmYOW - IDA

2 stops18h 45mUnited Airlines

Sat 2/72:40 pmIDA - YOW

2 stops26h 12mUnited Airlines

Deal found 12/17

$312

Find flight deals from Ontario to Idaho Falls

Round-trip from	$304 (United Airlines)

From Ontario to Idaho Falls Fanning Field

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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

Mon 4/13

10:00 am-1:24 pm

2 stops29h 24m

Idaho Falls Fanning Field

Wed 4/15

2:35 pm-1:45 pm

2 stops21h 10m

$304

OttawaIdaho Falls

YOW - IDA

YOWIDA

Ottawa

Sat 1/31

5:11 pm-9:56 am

2 stops18h 45m

Idaho Falls Fanning Field

Sat 2/7

2:40 pm-6:52 pm

2 stops26h 12m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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.

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

No data available for this route at this time. Please check back soon.

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 $304, United Airlines can have you in Idaho Falls from Region of Ontario in 29h 24m. 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.

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$304+ 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 4/13. 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

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Ontario to Idaho Falls

Best flights from Ontario to Idaho FallsDiscover 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 December 18, 2025.

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 December 18, 2025.

Find 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 December 18, 2025.

Round-trip from

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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

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?

Traveling to a place near Idaho Falls?

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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 December 18, 2025.