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

WestJet, at $138, was found to be the cheapest airline from Ontario to Calgary.Alternate airlines to your destination round-trip include Delta and Air Canada. You may be able to fly from Ontario to Calgary for 71% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Calgary ranges from 0.4 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. January is typically the driest time to visit Calgary when rainfall is around 0.4 in.

If weather is an important factor for your trip to Calgary, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

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

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

Most accurate provider : When it comes to deals on Ontario-Calgary flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Calgary flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Calgary flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Calgary flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Calgary flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Ontario to Calgary?

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

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

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

$130+ Flights from Ontario to Calgary

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1. Tell us where you want to go

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Cheap flight deals from Ontario to Calgary

Cheapest flights from Ontario to Calgary
Explore the most affordable flight options available from Ontario to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Mon 12/296:00 pmONT - YYC

2 stops39h 41mMultiple Airlines

Wed 1/77:35 pmYYC - ONT

1 stop13h 01mMultiple Airlines

Deal found 12/13

$548

Tue 12/231:40 pmONT - YYC

1 stop7h 13mUnited Airlines

Thu 1/86:15 amYYC - ONT

1 stop7h 32mUnited Airlines

Deal found 12/15

$684

Mon 12/225:10 pmONT - YYC

1 stop5h 05mDelta

Thu 1/87:40 amYYC - ONT

1 stop9h 32mDelta

Deal found 12/15

$721

Tue 12/231:40 pmONT - YYC

1 stop7h 13mAir Canada

Wed 1/76:45 amYYC - ONT

2 stops15h 13mAir Canada

Deal found 12/15

$726

Mon 12/221:15 pmONT - YYC

1 stop9h 00mDelta

Tue 1/67:40 amYYC - ONT

1 stop9h 32mDelta

Deal found 12/15

$747

Tue 12/161:34 pmONT - YYC

1 stop7h 19mUnited Airlines

Thu 1/86:15 amYYC - ONT

1 stop7h 32mUnited Airlines

Deal found 12/13

$770

Tue 12/236:38 amONT - YYC

1 stop10h 12mDelta

Mon 1/512:40 pmYYC - ONT

1 stop10h 08mDelta

Deal found 12/15

$775

Wed 12/171:29 pmONT - YYC

1 stop8h 44mDelta

Mon 1/512:40 pmYYC - ONT

1 stop10h 08mDelta

Deal found 12/15

$807

Tue 12/231:40 pmONT - YYC

1 stop7h 13mUnited Airlines

Wed 1/76:15 amYYC - ONT

1 stop7h 32mUnited Airlines

Deal found 12/15

$813

Wed 12/171:29 pmONT - YYC

1 stop8h 44mDelta

Tue 1/67:40 amYYC - ONT

1 stop9h 32mDelta

Deal found 12/15

$833

Best flights from Ontario to Calgary
Discover carefully curated flight deals from Ontario to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Mon 3/166:14 amONT - YYC

1 stop10h 36mMultiple Airlines

Mon 3/231:25 pmYYC - ONT

1 stop10h 13mMultiple Airlines

Deal found 12/12

$379

Mon 1/196:00 amONT - YYC

1 stop4h 50mDelta

Mon 1/267:40 amYYC - ONT

1 stop9h 35mDelta

Deal found 12/13

$469

Fri 1/305:05 amONT - YYC

1 stop8h 16mUnited Airlines

Sun 2/16:15 amYYC - ONT

1 stop15h 43mUnited Airlines

Deal found 12/14

$479

Thu 2/266:00 amONT - YYC

2 stops10h 50mDelta

Mon 3/21:25 pmYYC - ONT

2 stops11h 24mDelta

Deal found 12/15

$472

Fri 4/176:00 amONT - YYC

1 stop5h 15mUnited Airlines

Wed 4/226:00 amYYC - ONT

1 stop7h 38mUnited Airlines

Deal found 12/13

$479

Sun 3/221:20 pmONT - YYC

1 stop8h 42mDelta

Fri 3/2712:30 pmYYC - ONT

1 stop4h 59mDelta

Deal found 12/14

$479

Wed 4/16:00 amONT - YYC

1 stop5h 15mUnited Airlines

Wed 4/81:27 pmYYC - ONT

1 stop8h 19mUnited Airlines

Deal found 12/15

$479

Sun 3/221:20 pmONT - YYC

1 stop8h 42mDelta

Sat 3/287:20 amYYC - ONT

1 stop10h 09mDelta

Deal found 12/14

$479

Wed 2/186:09 amONT - YYC

1 stop5h 17mUnited Airlines

Fri 2/203:30 pmYYC - ONT

1 stop8h 27mUnited Airlines

Deal found 12/13

$479

Sun 2/155:00 amONT - YYC

1 stop8h 21mUnited Airlines

Thu 2/196:15 amYYC - ONT

1 stop7h 28mUnited Airlines

Deal found 12/13

$479

Thu 1/86:00 amONT - YYC

1 stop5h 26mUnited Airlines

Mon 1/123:30 pmYYC - ONT

1 stop8h 23mUnited Airlines

Deal found 12/14

$479

Last-minute flights from Ontario to Calgary
Discover last-minute flight deals from Ontario to Calgary. Data last updated December 15, 2025 and is based on user searches.

Mon 12/296:00 pmONT - YYC

2 stops39h 41mMultiple Airlines

Wed 1/77:35 pmYYC - ONT

1 stop13h 01mMultiple Airlines

Deal found 12/13

$548

Mon 1/510:12 pmONT - YYC

1 stop17h 36mMultiple Airlines

Thu 1/86:30 amYYC - ONT

2 stops10h 50mMultiple Airlines

Deal found 12/13

$358

Sun 1/116:00 amONT - YYC

1 stop5h 26mUnited Airlines

Fri 1/163:30 pmYYC - ONT

1 stop27h 21mUnited Airlines

Deal found 12/13

$544

Mon 1/196:00 amONT - YYC

1 stop4h 50mDelta

Mon 1/267:40 amYYC - ONT

1 stop9h 35mDelta

Deal found 12/13

$469

Thu 1/226:00 amONT - YYC

1 stop11h 10mAlaska Airlines

Mon 1/267:00 pmYYC - ONT

1 stop21h 08mAlaska Airlines

Deal found 12/14

$537

Wed 1/283:07 pmONT - YYC

1 stop6h 58mMultiple Airlines

Wed 2/411:30 pmYYC - ONT

2 stops34h 53mMultiple Airlines

Deal found 12/14

$304

Wed 1/286:00 amONT - YYC

2 stops10h 50mDelta

Wed 2/412:00 pmYYC - ONT

2 stops11h 44mDelta

Deal found 12/14

$519

Thu 1/296:00 amONT - YYC

1 stop11h 10mAlaska Airlines

Mon 2/27:00 pmYYC - ONT

2 stops23h 03mAlaska Airlines

Deal found 12/14

$546

One-way flights from Ontario to Calgary
Search for one-way flight options from Ontario to Calgary. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Tue 1/273:07 pmONT - YYC

2 stops23h 08mMultiple Airlines

Deal found 12/13

$130

Wed 1/76:00 amONT - YYC

1 stop5h 26mUnited Airlines

Deal found 12/12

$176

Tue 1/137:30 amONT - YYC

1 stop9h 20mDelta

Deal found 12/15

$207

Sun 1/187:30 amONT - YYC

2 stops16h 11mDelta

Deal found 12/15

$213

Thu 1/151:11 pmONT - YYC

1 stop8h 51mDelta

Deal found 12/15

$214

Tue 1/277:30 amONT - YYC

2 stops17h 11mDelta

Deal found 12/15

$227

Thu 1/295:10 pmONT - YYC

2 stops23h 40mDelta

Deal found 12/15

$232

Tue 1/136:00 amONT - YYC

2 stops12h 14mAir Canada

Deal found 12/15

$256

Thu 12/186:17 pmONT - YYC

2 stops12h 48mMultiple Airlines

Deal found 12/15

$308

Fri 12/265:05 amONT - YYC

2 stops13h 30mAir Canada

Deal found 12/12

$322

Find flight deals from Ontario to Calgary

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$300 (Kiwi.com)
One-way from	$130 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$769

Provider with most accurate pricing for Ontario-Calgary flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Calgary flights.

Search Deals

From Ontario to Calgary

Search Deals

One-way flight from Ontario to Calgary

Search Deals

Highest demand for flights based on searches. 31% potential increase in price ($222 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Mon 3/16

6:14 am-5:50 pm

1 stop10h 36m

Calgary

Mon 3/23

1:25 pm-10:38 pm

1 stop10h 13m

$379

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Mon 1/19

6:00 am-11:50 am

1 stop4h 50m

Calgary

Mon 1/26

7:40 am-4:15 pm

1 stop9h 35m

$469

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Thu 2/26

6:00 am-5:50 pm

2 stops10h 50m

Calgary

Mon 3/2

1:25 pm-11:49 pm

2 stops11h 24m

$472

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Fri 1/30

5:05 am-2:21 pm

1 stop8h 16m

Calgary

Sun 2/1

6:15 am-8:58 pm

1 stop15h 43m

$479

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Fri 4/17

6:00 am-12:15 pm

1 stop5h 15m

Calgary

Wed 4/22

6:00 am-12:38 pm

1 stop7h 38m

$479

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sun 3/22

1:20 pm-11:02 pm

1 stop8h 42m

Calgary

Fri 3/27

12:30 pm-4:29 pm

1 stop4h 59m

$479

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Wed 4/1

6:00 am-12:15 pm

1 stop5h 15m

Calgary

Wed 4/8

1:27 pm-8:46 pm

1 stop8h 19m

$479

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sun 3/22

1:20 pm-11:02 pm

1 stop8h 42m

Calgary

Sat 3/28

7:20 am-4:29 pm

1 stop10h 09m

$479

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Wed 2/18

6:09 am-12:26 pm

1 stop5h 17m

Calgary

Fri 2/20

3:30 pm-10:57 pm

1 stop8h 27m

$479

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sun 2/15

5:00 am-2:21 pm

1 stop8h 21m

Calgary

Thu 2/19

6:15 am-12:43 pm

1 stop7h 28m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 20 results

Compare providers for flights from Ontario to Calgary

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Calgary in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Calgary flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Calgary flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Calgary flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Calgary flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Calgary flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Calgary

Have a flexible travel schedule? Discover the best time to fly to Calgary from Ontario 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 Ontario to Calgary

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

Currently, July is the cheapest month in which you can book a flight from Ontario to Calgary (average of $94). Flying from Ontario to Calgary in December is currently the most expensive (average of $201). 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 ONT to YYC?

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Ontario to Calgary by exploring options for tickets in the afternoon.

Reviews of airlines servicing Calgary

Read through reviews of airlines operating flights from Ontario to Calgary, such as Delta, United Airlines, and WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

7.9

Good

8,008 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

3,202 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.1

Good

10,525 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Ontario to Calgary round-trip?
WestJet, at $138, was found to be the cheapest airline from Ontario to Calgary.Alternate airlines to your destination round-trip include Delta and Air Canada. You may be able to fly from Ontario to Calgary for 71% less than the average price by searching for these airlines.
Can I find deals for flights from Ontario to Calgary that include hotel bookings?
Yes. In addition to deals on Ontario to Calgary flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Calgary?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Calgary.
Can I find deals for business class flights from Ontario to Calgary?
Yes. Cheapflights offers flight deals from Ontario to Calgary 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 Ontario to Calgary?
Currently, July is the cheapest month in which you can book a flight from Ontario to Calgary (average of $94). Flying from Ontario to Calgary in December is currently the most expensive (average of $201). 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

Canmore

Airdrie

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Other flights to Calgary

Top 4 airlines flying from Ontario to Calgary

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$186	Average$460	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$188	Average$218	FlexibilityNo cancel fee	On-time60%
Air Canada	Cheapest$292	Average$412	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$303	Average$543	FlexibilityNo cancel fee	On-time69%

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$130+ Cheap flights from Ontario (ONT) to Calgary (YYC)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Calgary with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Calgary

Cheapest flights from Ontario to CalgaryExplore the most affordable flight options available from Ontario to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from Ontario to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find flight deals from Ontario to Calgary

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Ontario to Calgary

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Calgary in December.

Best time to book a flight from Ontario to Calgary

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

Cheapflights Insights

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

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

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

Reviews of airlines servicing Calgary

Read through reviews of airlines operating flights from Ontario to Calgary, such as Delta, United Airlines, and WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Calgary. 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 Ontario to Calgary round-trip?

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

How can I find direct flights from Ontario to Calgary?

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

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

Traveling to a place near Calgary?

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 Ontario to Calgary

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

Top 4 airlines flying from Ontario to Calgary

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Cheapest flights from Ontario to Calgary
Explore the most affordable flight options available from Ontario to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.