Cheap Flights from Calgary to Ontario International

Travellers and cabin class

Compare Calgary to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Calgary to Ontario International

Looking for a cheap last-minute deal or the best return flight from Calgary to Ontario International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Calgary to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Calgary to Ontario International flights are currently cheapest in June.

Calgary to Ontario International: Alternative routes

Compare routes from Calgary to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Calgary to Ontario: Flight information

The things to know before you go.
Cheapest flight foundR 2,885
Cheapest month to flyJune

Finding cheap flights from Calgary to Ontario International: Frequently asked questions

The best price we found for a return flight from Calgary to Ontario International is R 4,830. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Calgary to Ontario International. But we found flights with one or more stops from R 4,830.
As of May 2025, there are no flights flying from Calgary to Ontario International.
The cheapest month to fly from Calgary to Ontario International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Calgary Airport to Ontario International Airport on Wednesday, 18 June 2025.
No airlines currently offer direct flights between Calgary Airport and Ontario International Airport. Most routes have one or more stops.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Ontario International.

Travelling from Calgary International Airport (YYC) to Ontario International Airport (ONT): what you need to know

  • Ontario's timezone is UTC-7, which makes Ontario one hour behind Calgary.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your YYC to ONT flight.

  • During popular months like July, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

How to find the cheapest flights from Calgary International Airport (YYC) to Ontario International Airport (ONT)

  • At the moment, R 2,885 is the lowest price we've seen for a one-way Calgary International Airport to Ontario International Airport flight. The best price for a return plane ticket is R 4,830. Bear in mind that fares could change due to demand at the time of booking.

  • To pick up cheap tickets from YYC to ONT, book as early as you can. Airlines tend to offer lower fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest flights from Calgary International Airport to Ontario International Airport throughout the entire month. It's a good way to find a bargain if your dates are flexible.

  • Picking up cheap flights from YYC to ONT is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Find the ideal flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Calgary International Airport to Ontario International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Calgary International Airport (YYC)

  • YYC is located at 2000 Airport Road Northeast.

  • 65.39% of flights that leave from Calgary International Airport touch down at their destination on time.

  • Central Calgary to Calgary International Airport is around 16 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • You can expect a trip time of around 1 hour when using public transport.

  • Get your trip off to a relaxed start by staying near YYC. Whether you're catching an early flight from Calgary International Airport to Ontario International Airport or just don't like being rushed, these hotels have you covered:

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • ONT is located at 2900 E. Airport Drive.

  • From Ontario International Airport, Ontario is approximately 6 kilometres away. It takes around 10 minutes to reach the centre driving.

  • Getting there on public transport takes around 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

  • The quietest month for a flight from Calgary International Airport to Ontario International Airport is May, while August is the most popular. Choose the best time to visit Ontario based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Ontario is August, with temperatures ranging between 15ºC (59ºF) and 35ºC (95ºF). Lock in your flights from Calgary International Airport to Ontario International Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 4ºC (39ºF) and 23ºC (73ºF). Search for cheap tickets from YYC to ONT around that time if you like cooler conditions.

Explore more of United States

  • Los Angeles is just one of the many places in United States waiting to be discovered once you've seen the sights of Ontario. Around 56 kilometres away to the west, its best attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're eager to discover another major stop in United States, consider San Diego, roughly 153 kilometres south of Ontario. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.