What’s the cheapest layover airport for flights from Calgary to Ontario?

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of C$ 505.

Which airport typically offers the quickest layover for flights from Calgary to Ontario?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 2h 17m.

What’s the top layover airport for flights from Calgary to Ontario?

Denver (DEN) – chosen by Cheapflights users on 33% of one-stop itineraries from Calgary to Ontario on Cheapflights.

What’s the fastest layover option from Calgary to Ontario?

Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 7h 22m.

What are the cheapest airlines flying from Calgary to Ontario round-trip?

Currently priced at C$ 374, Delta will fly you from Calgary to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 385 and C$ 425, respectively. You may be able to fly from Calgary to Ontario for 42% less than the average price by searching for these airlines.

What is the cheapest day to fly from Calgary to Ontario?

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

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular airlines that fly from Calgary to Ontario?

When booking a flight from Calgary to Ontario, you may want to consider flying on Air Canada, Delta or United Airlines as they are the most popular for this route.

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

Thursday is generally a great day to depart. Flying on this day could help you save up to 99%.

How far in advance should I book a flight from Calgary to Ontario?

Travellers have found it’s best to book a flight 59 days in advance to save up to 78% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 59 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Calgary to Ontario 1-2 weeks in advance for as low as C$ 439, or C$ 732 for flights within the next 24 hours.

What is the cheapest month to fly from Calgary to Ontario?

Flights from Calgary to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Calgary to Ontario in January, with the cheapest ticket starting at C$ 193.

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

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

How can I find direct flights from Calgary to Ontario?

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

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

Yes. Cheapflights offers flight deals from Calgary to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 175+ Cheap Flights from Calgary to Ontario

Cheap flight deals from Calgary to Ontario

Round-trip from	C$ 359
One-way from	C$ 175
Popular in	February
Cheapest in	June
Average price	C$ 607

3/10-7/10
2 total stops
36h 58m total
Calgary to Ontario

Search Deals

9/11
1 total stop
9h 33m total
Calgary to Ontario

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (C$ 154 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (C$ 48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Calgary to Ontario

Cheapest flights from Calgary to Ontario
Explore the most affordable flight options available from Calgary to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Fri 3/106:15 a.m.YYC - ONT

1 stop10h 03mMultiple Airlines

Tue 7/108:00 a.m.ONT - YYC

1 stop26h 55mMultiple Airlines

Deal found 10/9C$ 359

Fri 24/107:35 p.m.YYC - ONT

1 stop18h 02mMultiple Airlines

Fri 31/1010:40 p.m.ONT - YYC

2 stops25h 01mMultiple Airlines

Deal found 9/9C$ 377

Wed 24/97:25 p.m.YYC - ONT

1 stop29h 13mMultiple Airlines

Sat 27/98:59 p.m.ONT - YYC

1 stop16h 46mMultiple Airlines

Deal found 10/9C$ 405

Sun 26/107:35 p.m.YYC - ONT

2 stops17h 12mMultiple Airlines

Sun 2/118:02 a.m.ONT - YYC

1 stop8h 48mMultiple Airlines

Deal found 10/9C$ 412

Fri 26/96:15 a.m.YYC - ONT

1 stop10h 03mMultiple Airlines

Mon 29/99:46 p.m.ONT - YYC

2 stops23h 14mMultiple Airlines

Deal found 10/9C$ 475

Sat 8/1112:32 p.m.YYC - ONT

1 stop9h 48mDelta

Tue 11/111:20 p.m.ONT - YYC

1 stop8h 50mDelta

Deal found 9/9C$ 481

Best flights from Calgary to Ontario
Discover carefully curated flight deals from Calgary to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Fri 24/107:35 p.m.YYC - ONT

1 stop18h 02mMultiple Airlines

Fri 31/1010:40 p.m.ONT - YYC

2 stops25h 01mMultiple Airlines

Deal found 9/9C$ 377

Sat 25/103:49 p.m.YYC - ONT

1 stop8h 03mUnited Airlines

Mon 27/106:00 a.m.ONT - YYC

1 stop5h 26mUnited Airlines

Deal found 10/9C$ 506

Tue 11/113:30 p.m.YYC - ONT

1 stop8h 21mAir Canada

Thu 13/116:00 a.m.ONT - YYC

1 stop5h 26mAir Canada

Deal found 8/9C$ 514

Tue 30/121:25 p.m.YYC - ONT

1 stop10h 17mDelta

Tue 6/16:45 a.m.ONT - YYC

1 stop10h 05mDelta

Deal found 9/9C$ 564

Wed 24/97:25 p.m.YYC - ONT

1 stop29h 13mMultiple Airlines

Sat 27/98:59 p.m.ONT - YYC

1 stop16h 46mMultiple Airlines

Deal found 10/9C$ 405

Sun 26/1011:30 p.m.YYC - ONT

2 stops23h 35mMultiple Airlines

Sun 2/118:02 a.m.ONT - YYC

1 stop8h 48mMultiple Airlines

Deal found 11/9C$ 439

Fri 14/112:13 p.m.YYC - ONT

1 stop7h 31mAir Canada

Sun 16/116:00 a.m.ONT - YYC

1 stop5h 26mAir Canada

Deal found 10/9C$ 516

Mon 29/121:25 p.m.YYC - ONT

1 stop10h 17mDelta

Tue 6/16:45 a.m.ONT - YYC

1 stop10h 05mDelta

Deal found 9/9C$ 564

Fri 26/96:15 a.m.YYC - ONT

1 stop10h 03mMultiple Airlines

Mon 29/99:46 p.m.ONT - YYC

2 stops23h 14mMultiple Airlines

Deal found 10/9C$ 475

Fri 24/1012:30 p.m.YYC - ONT

2 stops8h 54mAir Canada

Fri 31/101:40 p.m.ONT - YYC

2 stops8h 04mAir Canada

Deal found 9/9C$ 531

Last-minute flights from Calgary to Ontario
Discover last-minute flight deals from Calgary to Ontario. Data last updated 11 September 2025 and is based on user searches.

Wed 24/97:25 p.m.YYC - ONT

1 stop29h 13mMultiple Airlines

Sat 27/98:59 p.m.ONT - YYC

1 stop16h 46mMultiple Airlines

Deal found 10/9C$ 405

Fri 26/96:15 a.m.YYC - ONT

1 stop10h 03mMultiple Airlines

Mon 29/99:46 p.m.ONT - YYC

2 stops23h 14mMultiple Airlines

Deal found 10/9C$ 475

Fri 3/106:15 a.m.YYC - ONT

1 stop10h 03mMultiple Airlines

Tue 7/108:00 a.m.ONT - YYC

1 stop26h 55mMultiple Airlines

Deal found 10/9C$ 359

Fri 10/106:15 a.m.YYC - ONT

1 stop7h 36mUnited Airlines

Sun 12/108:16 p.m.ONT - YYC

1 stop15h 03mUnited Airlines

Deal found 10/9C$ 489

Fri 24/107:35 p.m.YYC - ONT

1 stop18h 02mMultiple Airlines

Fri 31/1010:40 p.m.ONT - YYC

2 stops25h 01mMultiple Airlines

Deal found 9/9C$ 377

Sun 26/107:35 p.m.YYC - ONT

2 stops17h 12mMultiple Airlines

Sun 2/118:02 a.m.ONT - YYC

1 stop8h 48mMultiple Airlines

Deal found 10/9C$ 412

One-way flights from Calgary to Ontario
Search for one-way flight options from Calgary to Ontario. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Sun 9/111:25 p.m.YYC - ONT

1 stop9h 33mMultiple Airlines

Deal found 10/9C$ 175

Fri 24/102:00 p.m.YYC - ONT

2 stops31h 42mMultiple Airlines

Deal found 9/9C$ 212

Thu 25/98:55 a.m.YYC - ONT

2 stops27h 48mMultiple Airlines

Deal found 9/9C$ 234

Sat 1/1112:20 p.m.YYC - ONT

1 stop32h 29mMultiple Airlines

Deal found 10/9C$ 237

Wed 24/97:25 p.m.YYC - ONT

1 stop29h 13mMultiple Airlines

Deal found 10/9C$ 249

Sun 26/101:25 p.m.YYC - ONT

2 stops23h 22mMultiple Airlines

Deal found 10/9C$ 267

Tue 16/97:00 a.m.YYC - ONT

2 stops15h 56mMultiple Airlines

Deal found 9/9C$ 274

Fly from

Fly to

Route

Depart

Return

Price

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 24/10

7:35 p.m.-12:37 p.m.

1 stop18h 02m

Ontario

Fri 31/10

10:40 p.m.-12:41 a.m.

2 stops25h 01m

C$ 377

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 24/9

7:25 p.m.-11:38 p.m.

1 stop29h 13m

Ontario

Sat 27/9

8:59 p.m.-2:45 p.m.

1 stop16h 46m

C$ 405

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sun 26/10

11:30 p.m.-10:05 p.m.

2 stops23h 35m

Ontario

Sun 2/11

8:02 a.m.-5:50 p.m.

1 stop8h 48m

C$ 439

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 26/9

6:15 a.m.-3:18 p.m.

1 stop10h 03m

Ontario

Mon 29/9

9:46 p.m.-10:00 p.m.

2 stops23h 14m

C$ 475

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sat 25/10

3:49 p.m.-10:52 p.m.

1 stop8h 03m

Ontario

Mon 27/10

6:00 a.m.-12:26 p.m.

1 stop5h 26m

C$ 506

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 11/11

3:30 p.m.-10:51 p.m.

1 stop8h 21m

Ontario

Thu 13/11

6:00 a.m.-12:26 p.m.

1 stop5h 26m

C$ 514

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 14/11

2:13 p.m.-8:44 p.m.

1 stop7h 31m

Ontario

Sun 16/11

6:00 a.m.-12:26 p.m.

1 stop5h 26m

C$ 516

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 24/10

12:30 p.m.-8:24 p.m.

2 stops8h 54m

Ontario

Fri 31/10

1:40 p.m.-10:44 p.m.

2 stops8h 04m

C$ 531

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 30/12

1:25 p.m.-10:42 p.m.

1 stop10h 17m

Ontario

Tue 6/1

6:45 a.m.-5:50 p.m.

1 stop10h 05m

C$ 564

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Mon 29/12

1:25 p.m.-10:42 p.m.

1 stop10h 17m

Ontario

Tue 6/1

6:45 a.m.-5:50 p.m.

1 stop10h 05m

C$ 564

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results

Best time to book a flight from Calgary to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Calgary with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Ontario

Prices

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

Currently, September is the cheapest month in which you can book a flight from Calgary to Ontario (average of C$ 290). Flying from Calgary to Ontario in December is currently the most expensive (average of C$ 461). 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.

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

It’s optimal to fly from Calgary to Ontario in the morning. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Calgary to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,960 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,937 reviews

Delta

8.0

Very good

7,960 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.1

Good

10,000 reviews

Delta

8.0

Very good

7,960 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Calgary to Ontario round-trip?
Currently priced at C$ 374, Delta will fly you from Calgary to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 385 and C$ 425, respectively. You may be able to fly from Calgary to Ontario for 42% less than the average price by searching for these airlines.
Can I find deals for flights from Calgary to Ontario that include hotel bookings?
Yes. In addition to deals on Calgary to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Calgary to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to Ontario.
Can I find deals for business class flights from Calgary to Ontario?
Yes. Cheapflights offers flight deals from Calgary to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Calgary to Ontario?
Currently, September is the cheapest month in which you can book a flight from Calgary to Ontario (average of C$ 290). Flying from Calgary to Ontario in December is currently the most expensive (average of C$ 461). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Calgary to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 374	AverageC$ 498	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	CheapestC$ 385	AverageC$ 600	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 425	AverageC$ 672	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Calgary to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Calgary today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Calgary to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Calgary.

Can Cheapflights find flights from Calgary to Ontario with no change fees?

Yes, we can. To see specific flights from Calgary to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Calgary to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Calgary today and book when prices fit your budget.

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Cheap flights from Calgary to Ontario from C$ 175

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Calgary to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Calgary to Ontario

Cheapest flights from Calgary to OntarioExplore the most affordable flight options available from Calgary to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Explore the most affordable flight options available from Calgary to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Calgary to Ontario that are best for you.

Best time to book a flight from Calgary to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Calgary with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Ontario

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

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

What’s the top layover airport for flights from Calgary to Ontario?

What’s the fastest layover option from Calgary to Ontario?

What’s the fastest layover option from Calgary to Ontario?

Which airport typically offers the quickest layover for flights from Calgary to Ontario?

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Calgary to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Calgary to Ontario round-trip?

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

How can I find direct flights from Calgary to Ontario?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Calgary to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Calgary to Ontario

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to Ontario?

Why should you use Cheapflights to find cheap flight tickets from Calgary to Ontario?

Can Cheapflights find flights from Calgary to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Calgary to Ontario become cheaper?

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Cheapest flights from Calgary to Ontario
Explore the most affordable flight options available from Calgary to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.