Question 1

What is the cheapest month to book a flight from Ontario to Great Falls?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Ontario to Great Falls (average of $367). Flying from Ontario to Great Falls in July is currently the most expensive (average of $574). 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.

Question 2

What is the cheapest day to fly from Ontario to Great Falls?

Accepted Answer

Travelers seeking maximum savings on their Ontario to Great Falls flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

E

Accepted Answer

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

Question 4

E

Accepted Answer

If weather is an important factor for your trip to Great 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Question 5

What is the cheapest day to fly round-trip from Ontario to Great Falls?

Accepted Answer

Monday flights are found to be more expensive to fly from Ontario to Great Falls. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Great Falls.

Question 6

What is the cheapest month to fly from Ontario to Great Falls?

Accepted Answer

The best pricing can be found in the month of February. Prices to Great Falls from Ontario average $445. You can even find prices in February for less than $445, as users have found deals to Great Falls from as low as $236. The month of August appears to be one of the more expensive times to travel to Great Falls from Ontario. Flying in the targeted month can save you up to 44%.

Question 7

What is the cheapest time of day to fly from ONT to GTF?

Accepted Answer

It’s typically best to fly out from Ontario to Great Falls in the morning. Doing so could potentially save you 8% on the flight price compared to flying in the afternoon, which is usually more expensive.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

Yes. Cheapflights offers flight deals from Ontario to Great 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.

Popular in	August
Cheapest in	February
Average price	$497

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What is the cheapest month to book a flight from Ontario to Great Falls?

What is the cheapest time of day to fly from ONT to GTF?

Find hourly flight availability from Ontario to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Related info for your journey

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

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

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

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

What is the cheapest month to book a flight from Ontario to Great Falls?

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