Flying from Ontario International Airport (ONT) to Great Falls International Airport (GTF): what you need to know
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to board your ONT to GTF flight.
Travelling during a peak time such as July? School holidays and other high seasons can mean longer lines and delays at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.
If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Great Falls International Airport. Here are the top stopovers between ONT and GTF:
Denver International Airport
Harry Reid International Airport
Salt Lake City Airport
How to find the cheapest flights from Ontario International Airport (ONT) to Great Falls International Airport (GTF)
Right now, $347 is the cheapest price we've seen for a one-way Ontario International Airport to Great Falls International Airport flight. The best price for a return plane ticket is $471. Keep in mind that fares can change due to demand when booking.
Don't leave everything to the last moment. You're more likely to get cheap tickets from ONT to GTF if you book early. Airlines often have some fantastic early bird rates.
Finding cheap flights from Ontario International Airport to Great Falls International Airport is more likely if you can be flexible with your travel dates. Use the 'Whole month' function to see the lowest prices across every month and score a great deal.
You won't have to check every day to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as a special offer becomes available on cheap flights from ONT to GTF.
Tailor your flights using filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Ontario International Airport to Great Falls International Airport.
Handy information about Ontario International Airport (ONT)
You'll find ONT at 2900 E. Airport Drive.
83% of flights departing from Ontario International Airport arrive at their destination according to schedule. With its strong on-time stats, disruptions are unlikely when flying out of ONT.
To get to Ontario International Airport from central Ontario, it takes around 15 minutes if you're going by car. This depends on traffic, however. It's approximately 10 kilometres from the airport to the city centre.
You can expect a journey time of around 45 minutes when using public transport.
Looking for a convenient hotel near ONT? If you've booked an early flight from Ontario International Airport to Great Falls International Airport, these stays will put you moments from your departure gate:
Arriving at Great Falls International Airport (GTF)
If you're arriving on a late Ontario International Airport to Great Falls International Airport flight, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be tucked up in bed shortly after at one of these hotels near GTF:
Go wherever you want, whenever you want with a Great Falls International Airport rental car. Pick up your wheels from Alamo, Budget or Hertz and discover more of Great Falls and beyond.
To get the best deal, book your ride from Great Falls International Airport at least a couple of weeks in advance. Prices usually increase closer to your day of departure.
When to fly to Great Falls International Airport (GTF)
July is the most popular month for flights from Ontario International Airport to Great Falls International Airport. For a quieter experience, go to Great Falls in March.
The warmest month in Great Falls is July, with the temperature ranging between 11ºC (52ºF) and 33ºC (91ºF). Book your flights from Ontario International Airport to Great Falls International Airport in this month if you like this kind of weather.
If you want cooler conditions, search for a cheap ticket from ONT to GTF in February. Temperatures average between -21ºC (-6ºF) and 8ºC (46ºF) then.
Explore more of the United States
Spokane is just one of the many cities in the United States waiting to be discovered after you've experienced Great Falls. Around 467 kilometres away to the west, top sights here include Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.
If you're interested in discovering another well-known destination in the United States, head for Billings, about 290 kilometres south-east of Great Falls. Museum of Women's History, Yellowstone Art Museum and The Rimrocks are key highlights.
