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Cheap Flights from Ontario International to Calgary

Compare Ontario International to Calgary flight deals

Find the cheapest month or even day of the year to fly to Calgary

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Flight deals from Ontario International to Calgary

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Calgary Airport? If you want to travel next month, return fares start from Rs87,101. Find the lowest prices on one-way and return tickets right here.
Calgary.Rs31,661 per passenger.Departing Wed, 14 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Ontario International on Wed, 14 Oct, arriving in Calgary.Price includes taxes and charges.From Rs31,661, select.
Calgary.Rs37,415 per passenger.Departing Mon, 31 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 31 Aug, arriving in Calgary.Price includes taxes and charges.From Rs37,415, select.
Calgary.Rs44,841 per passenger.Departing Sat, 5 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Sat, 5 Sep, arriving in Calgary.Price includes taxes and charges.From Rs44,841, select.
Calgary.Rs53,545 per passenger.Departing Tue, 28 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Ontario International on Tue, 28 Jul, arriving in Calgary.Price includes taxes and charges.From Rs53,545, select.
Calgary.Rs54,772 per passenger.Departing Sat, 7 Nov.One-way flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Sat, 7 Nov, arriving in Calgary.Price includes taxes and charges.From Rs54,772, select.
Calgary.Rs120,129 per passenger.Departing Tue, 15 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ontario International on Tue, 15 Jun, arriving in Calgary.Price includes taxes and charges.From Rs120,129, select.
Calgary.Rs163,902 per passenger.Departing Tue, 22 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Ontario International on Tue, 22 Dec, arriving in Calgary.Price includes taxes and charges.From Rs163,902, select.

Find the cheapest month to fly from Ontario International to Calgary

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Calgary flights are currently cheapest in October.
Jul
from Rs53,545
Aug
from Rs37,415
Sep
from Rs44,841
Oct
from Rs31,661
Nov
from Rs54,772
Dec
from Rs163,902
Jan
Find prices
Feb
Find prices
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
from Rs120,129

Ontario International to Calgary: Alternative routes

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

Calgary

8km from central Calgary
ClosestCheapest
from Rs31,661
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Ontario to Calgary: Flight information

The things to know before you go.
Cheapest flight foundRs31,661
Cheapest month to flyOctober

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

The best price we found for a return flight from Ontario International to Calgary is Rs84,923. 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 Ontario International to Calgary. But we found flights with one or more stops from Rs84,923.
As of July 2026, there are no flights flying from Ontario International to Calgary.
The cheapest month to fly from Ontario International to Calgary is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Calgary Airport on Thursday, 24 September 2026.
No airlines currently offer direct flights between Ontario International Airport and Calgary Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Calgary but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Calgary is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Calgary.

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

  • Calgary is one hour ahead of Ontario and is in the UTC-7 timezone.

  • Arrive at the airport on time so you don't miss your ONT to YYC flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

  • We make it simple to book a flight with a stopover. To see all your options for tickets from Ontario International Airport to Calgary Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to tour your chosen city. Top stopovers between ONT and YYC include:

    • Seattle / Tacoma International Airport

    • San Francisco International Airport

    • Phoenix Sky Harbour Airport

Handy information about Ontario International Airport (ONT)

  • ONT's address is 2900 E. Airport Drive.

  • 83% of flights leaving Ontario International Airport touch down at their destination according to schedule. Given its strong on-time performance, disruptions are unlikely when taking off from ONT.

  • Ontario International Airport is about 10 kilometres from central Ontario. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of around 45 minutes on public transport.

  • Need a handy hotel close to ONT? If you've booked an early flight from Ontario International Airport to Calgary Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Calgary Airport (YYC)

When to fly to Calgary Airport (YYC)

  • It's time to choose your trip dates for your flight from Ontario International Airport to Calgary Airport. July is the busiest month to visit Calgary. If you like a more low-key vibe, go in November.

  • The warmest month in Calgary is August, with the temperature ranging between 8ºC and 26ºC. Book your flights from Ontario International Airport to Calgary Airport in this month if you enjoy this type of weather.

  • February sees average temperatures of between -22ºC and 3ºC. Look for cheap tickets from ONT to YYC sometime around then if you want to travel when it's cooler.

Explore more of Canada

  • You've done Calgary, now it's time to explore other parts of Canada. Travel around 274 kilometres north to Edmonton to tick off its top attractions. From Rogers Place to Citadel Theatre and Muttart Conservatory, there's plenty to keep you busy.

  • Around 402 kilometres west of Calgary, Kelowna is another favourite stop in Canada. Experience major highlights starting with Okanagan Lake, The View Winery and Vineyard and Waterfront Park.

Plan the rest of your trip from Ontario to Calgary

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.