gtf-to-ont

 

The cheapest times to fly from GTF to ONT are

  • January 1st to February 4th (except the week of January 15th)
  • April 23rd to May 13th
  • May 28th to June 10th
  • August 13th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from GTF to ONT is late October. Prices can be as high as $683 for Saturday flights during mid December, or as low as $238 for Tuesday flights around late October.

 

When to Fly to Ontario

Flying from Great Falls, MT (GTF) to Ontario, CA (ONT) will usually cost between $282 to $480 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $296. Due to high demand the most expensive time to fly is mid December, with an average price of $470. Planning your trip to low-cost times can easily save you $174 on economy flights and even more on first-class flights. Generally, any price below $355 can be considered a good price for a round-trip GTF to ONT flight.

See below for a graph of average weekly prices for the GTF to ONT route. All prices are for round-trip tickets in USD.

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GTF to ONT Flight Prices

Compared to other flights, the GTF to ONT flight is much cheaper than the average and costs much less than the average flight leaving from Great Falls. The average price per mile (for a direct flight) is $0.22, which is below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $90 (22%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $307. Return trip prices are from the ONT to GTF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from GTF to ONT can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 45 minutes may not be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from GTF to ONT while comparing.

Destination alternative #1: Los Angeles International Airport (LAX) in Los Angeles, CA

  • 47 miles (76 km) away from ONT
  • Usually 11.00% less expensive than ONT
  • 1-layover flights available

See GTF to LAX flights

Destination alternative #2: San Diego International Airport (SAN) in San Diego, CA

  • 94 miles (151 km) away from ONT
  • Usually 7.48% less expensive than ONT
  • 1-layover flights available

See GTF to SAN flights

 

Flight Questions Answered

Still have questions about flying from GTF to ONT? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Great Falls International Airport?

The distance between the two airports is roughly 982 miles or 1580 kilometers.

How long does it take to fly from GTF to ONT?

The real-world flight time for a nonstop GTF to ONT flight is about 2 hour 45 minutes.

How many flights go between Great Falls, MT and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 64 available flights from GTF to ONT.

 

Airport Location Info

 

Departing Airport

Origination codeGTF
Origination airport nameGreat Falls International Airport
CityGreat Falls, MT
Countrythe United States
Latitude47.5
Longitude-111.4

Return Airport

Destination codeONT
Destination airport nameOntario International Airport
CityOntario, CA
Countrythe United States
Latitude34.1
Longitude-117.6

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.