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

Delta, at $149, was found to be the cheapest airline from Ontario to Calgary.Alternate airlines to your destination round-trip include WestJet and Air Canada. You may be able to fly from Ontario to Calgary for 69% 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 WestJet as they are the most popular for this route.

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

When flying from Ontario to Calgary, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$123+ Flights from Ontario to Calgary

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Ontario to Calgary with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Calgary

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$289 (Kiwi.com)
One-way from	$106 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$702

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. 33% potential increase in price ($240 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Find 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 January 8, 2026.

Thu 1/293:22 pmONT - YYC

1 stop6h 43mMultiple Airlines

Sun 2/17:35 pmYYC - ONT

1 stop17h 35mMultiple Airlines

Deal found 1/7

$289

Sun 2/2210:18 pmONT - YYC

1 stop12h 39mMultiple Airlines

Sun 3/17:35 pmYYC - ONT

1 stop18h 36mMultiple Airlines

Deal found 1/7

$296

Fri 2/139:43 pmONT - YYC

1 stop13h 14mMultiple Airlines

Mon 2/167:35 pmYYC - ONT

1 stop18h 36mMultiple Airlines

Deal found 1/8

$298

Thu 3/192:06 pmONT - YYC

1 stop7h 54mMultiple Airlines

Tue 3/316:30 amYYC - ONT

2 stops10h 24mMultiple Airlines

Deal found 1/8

$310

Thu 3/268:07 amONT - YYC

1 stop13h 53mMultiple Airlines

Mon 3/307:35 pmYYC - ONT

2 stops29h 24mMultiple Airlines

Deal found 1/8

$321

Wed 2/43:07 pmONT - YYC

1 stop6h 53mMultiple Airlines

Wed 2/117:55 amYYC - ONT

2 stops14h 39mMultiple Airlines

Deal found 1/7

$394

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 January 8, 2026.

Thu 1/293:22 pmONT - YYC

1 stop6h 43mMultiple Airlines

Sun 2/17:35 pmYYC - ONT

1 stop17h 35mMultiple Airlines

Deal found 1/7

$289

Thu 3/266:00 amONT - YYC

1 stop5h 26mUnited Airlines

Mon 3/303:22 pmYYC - ONT

1 stop8h 23mUnited Airlines

Deal found 1/8

$428

Sat 6/131:00 pmONT - YYC

1 stop9h 06mDelta

Sat 6/207:15 amYYC - ONT

1 stop9h 59mDelta

Deal found 1/6

$456

Thu 3/268:07 amONT - YYC

1 stop13h 53mMultiple Airlines

Mon 3/307:35 pmYYC - ONT

1 stop21h 19mMultiple Airlines

Deal found 1/8

$326

Sat 5/301:00 pmONT - YYC

1 stop7h 38mUnited Airlines

Wed 6/33:22 pmYYC - ONT

1 stop8h 44mUnited Airlines

Deal found 1/7

$428

Mon 2/26:00 amONT - YYC

1 stop10h 50mMultiple Airlines

Wed 2/47:00 pmYYC - ONT

1 stop16h 59mMultiple Airlines

Deal found 1/8

$404

Tue 2/246:10 amONT - YYC

1 stop5h 16mUnited Airlines

Sat 2/286:15 amYYC - ONT

1 stop7h 28mUnited Airlines

Deal found 1/7

$428

Wed 1/216:00 amONT - YYC

1 stop5h 26mUnited Airlines

Wed 1/282:13 pmYYC - ONT

1 stop7h 45mUnited Airlines

Deal found 1/7

$428

Sun 3/86:00 amONT - YYC

1 stop5h 26mUnited Airlines

Sat 3/143:30 pmYYC - ONT

1 stop8h 27mUnited Airlines

Deal found 1/8

$428

Fri 4/241:43 pmONT - YYC

1 stop7h 05mUnited Airlines

Fri 5/13:22 pmYYC - ONT

1 stop8h 30mUnited Airlines

Deal found 1/7

$428

Fri 1/236:00 amONT - YYC

1 stop5h 26mUnited Airlines

Wed 1/283:30 pmYYC - ONT

1 stop8h 23mUnited Airlines

Deal found 1/7

$428

Sun 4/125:10 amONT - YYC

1 stop7h 42mUnited Airlines

Sat 4/186:00 amYYC - ONT

1 stop7h 38mUnited Airlines

Deal found 1/8

$428

Last-minute flights from Ontario to Calgary
Discover last-minute flight deals from Ontario to Calgary. Data last updated January 8, 2026 and is based on user searches.

Thu 1/293:22 pmONT - YYC

1 stop6h 43mMultiple Airlines

Sun 2/17:35 pmYYC - ONT

1 stop17h 35mMultiple Airlines

Deal found 1/7

$289

Mon 2/26:00 amONT - YYC

1 stop10h 50mMultiple Airlines

Wed 2/47:00 pmYYC - ONT

1 stop16h 59mMultiple Airlines

Deal found 1/8

$404

Wed 2/43:07 pmONT - YYC

1 stop6h 53mMultiple Airlines

Wed 2/117:55 amYYC - ONT

2 stops14h 39mMultiple Airlines

Deal found 1/7

$394

Thu 2/53:22 pmONT - YYC

1 stop6h 38mMultiple Airlines

Thu 2/129:00 amYYC - ONT

2 stops23h 22mMultiple Airlines

Deal found 1/8

$413

Fri 2/139:43 pmONT - YYC

1 stop13h 14mMultiple Airlines

Mon 2/167:35 pmYYC - ONT

1 stop18h 36mMultiple Airlines

Deal found 1/8

$298

Sun 2/2210:18 pmONT - YYC

1 stop12h 39mMultiple Airlines

Sun 3/17:35 pmYYC - ONT

1 stop18h 36mMultiple Airlines

Deal found 1/7

$296

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 January 8, 2026.

Wed 2/117:17 pmONT - YYC

3 stops21h 56mMultiple Airlines

Deal found 1/8

$123

Sun 2/223:24 pmONT - YYC

1 stop19h 33mMultiple Airlines

Deal found 1/8

$131

Fri 3/139:06 amONT - YYC

1 stop6h 42mMultiple Airlines

Deal found 1/8

$155

Sun 4/55:24 pmONT - YYC

1 stop17h 38mMultiple Airlines

Deal found 1/7

$165

Sat 2/218:09 pmONT - YYC

2 stops43h 54mMultiple Airlines

Deal found 1/7

$177

Wed 5/61:20 pmONT - YYC

1 stop8h 40mDelta

Deal found 1/6

$186

Thu 1/296:00 amONT - YYC

1 stop5h 26mAir Canada

Deal found 1/7

$218

Sun 4/125:10 amONT - YYC

1 stop7h 42mAir Canada

Deal found 1/7

$220

Wed 5/61:28 pmONT - YYC

2 stops9h 13mAir Canada

Deal found 1/6

$229

Fly from

Fly to

Route

Depart

Return

Price

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Thu 1/29

3:22 pm-11:05 pm

1 stop6h 43m

Calgary

Sun 2/1

7:35 pm-12:10 pm

1 stop17h 35m

$289

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Thu 3/26

8:07 am-11:00 pm

1 stop13h 53m

Calgary

Mon 3/30

7:35 pm-3:54 pm

1 stop21h 19m

$326

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Mon 2/2

6:00 am-5:50 pm

1 stop10h 50m

Calgary

Wed 2/4

7:00 pm-10:59 am

1 stop16h 59m

$404

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Thu 3/26

6:00 am-12:26 pm

1 stop5h 26m

Calgary

Mon 3/30

3:22 pm-10:45 pm

1 stop8h 23m

$428

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sat 5/30

1:00 pm-9:38 pm

1 stop7h 38m

Calgary

Wed 6/3

3:22 pm-11:06 pm

1 stop8h 44m

$428

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Tue 2/24

6:10 am-12:26 pm

1 stop5h 16m

Calgary

Sat 2/28

6:15 am-12:43 pm

1 stop7h 28m

$428

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Wed 1/21

6:00 am-12:26 pm

1 stop5h 26m

Calgary

Wed 1/28

2:13 pm-8:58 pm

1 stop7h 45m

$428

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Sun 3/8

6:00 am-12:26 pm

1 stop5h 26m

Calgary

Sat 3/14

3:30 pm-10:57 pm

1 stop8h 27m

$428

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Fri 4/24

1:43 pm-9:48 pm

1 stop7h 05m

Calgary

Fri 5/1

3:22 pm-10:52 pm

1 stop8h 30m

$428

OntarioCalgary

ONT - YYC

ONTYYC

Ontario

Fri 1/23

6:00 am-12:26 pm

1 stop5h 26m

Calgary

Wed 1/28

3:30 pm-10:53 pm

1 stop8h 23m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 23 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 January.

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 $93). Flying from Ontario to Calgary in December is currently the most expensive (average of $198). 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.

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

8,029 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

8,029 reviews

Delta

7.9

Good

8,029 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

9,139 reviews

Delta

7.9

Good

8,029 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

3,235 reviews

Delta

7.9

Good

8,029 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

10,603 reviews

Delta

7.9

Good

8,029 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?
Delta, at $149, was found to be the cheapest airline from Ontario to Calgary.Alternate airlines to your destination round-trip include WestJet and Air Canada. You may be able to fly from Ontario to Calgary for 69% 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 $93). Flying from Ontario to Calgary in December is currently the most expensive (average of $198). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Calgary

San Francisco to Calgary flights

Los Angeles to Calgary flights

San Diego to Calgary flights

Las Vegas to Calgary flights

Los Angeles to Edmonton flights

Santa Ana to Calgary flights

Sacramento to Calgary flights

San Francisco to Edmonton flights

Palm Springs to Calgary flights

San Jose to Calgary flights

Oakland to Calgary flights

Las Vegas to Edmonton flights

San Diego to Edmonton flights

Ontario to Edmonton flights

Palm Springs to Edmonton flights

Sacramento to Edmonton flights

Reno to Calgary flights

Burbank to Calgary flights

Fresno to Calgary flights

Santa Ana to Edmonton flights

Long Beach to Calgary flights

San Jose to Edmonton flights

Monterey to Calgary flights

Oakland to Edmonton flights

Santa Barbara to Calgary flights

Burbank to Edmonton flights

El Centro to Calgary flights

Santa Rosa to Calgary flights

Santa Rosa to Edmonton flights

Los Angeles to Grande Prairie flights

Arcata to Calgary flights

Ontario to Grande Prairie flights

San Francisco to Fort McMurray flights

Las Vegas to Fort McMurray flights

Monterey to Edmonton flights

Fresno to Edmonton flights

San Francisco to Lethbridge flights

San Francisco to Red Deer flights

San Francisco to Medicine Hat flights

Long Beach to Edmonton flights

San Francisco to Grande Prairie flights

Palm Springs to Grande Prairie flights

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$226	FlexibilityNo cancel fee	On-time60%
Air Canada	Cheapest$292	Average$412	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$303	Average$548	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$123+ 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 2/11. 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 January 8, 2026.

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 January 8, 2026.

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 January.

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?

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

100% Free

Book with Flexibility

Travel Smart

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 January 8, 2026.