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$158+ Cheap flights from Calgary (YYC) to Ontario (ONT)

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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Calgary to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$325
(United Airlines)

One-way from

$158
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$336
From Calgary to Ontario
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One-way flight from Calgary to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:15 amYYC - ONT
1 stop15h 49mUnited Airlines
Tue 6/245:10 amONT - YYC
1 stop15h 38mUnited Airlines
Deal found 6/10$263
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/192:50 pmYYC - ONT
2 stops9h 56mDelta
Mon 6/231:15 pmONT - YYC
1 stop8h 45mDelta
Deal found 6/11$307
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/163:40 pmYYC - ONT
1 stop7h 12mMultiple Airlines
Fri 7/259:41 pmONT - YYC
1 stop12h 32mMultiple Airlines
Deal found 6/9$325
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:00 pmYYC - ONT
1 stop6h 13mAlaska Airlines
Wed 6/254:00 pmONT - YYC
1 stop6h 50mAlaska Airlines
Deal found 6/10$336
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:45 amYYC - ONT
2 stops12h 27mAmerican Airlines
Mon 6/2311:59 pmONT - YYC
1 stop20h 58mAmerican Airlines
Deal found 6/11$345
This LionTravel deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LionTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/196:20 amYYC - ONT
2 stops12h 05mAir Canada
Mon 6/231:36 pmONT - YYC
2 stops10h 02mAir Canada
Deal found 6/11$558
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/83:00 pmYYC - ONT
2 stops8h 47mWestJet
Tue 7/152:14 pmONT - YYC
2 stops7h 46mWestJet
Deal found 6/11$690

Cheapflights Fare Finder

Customize your flight search to find flights from Calgary to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Calgary to Ontario that are best for you.

Fly from

Calgary

Fly to

Ontario

Route

Depart

Return

Price

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 7/16

3:40 pm-9:52 pm

1 stop7h 12m

Ontario

Fri 7/25

9:41 pm-11:13 am

1 stop12h 32m

$325

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 7/23

7:30 am-12:14 pm

1 stop5h 44m

Ontario

Mon 7/28

5:05 am-9:48 pm

1 stop15h 43m

$326

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 8/29

6:00 am-10:44 am

1 stop5h 44m

Ontario

Tue 9/30

3:04 pm-11:52 pm

1 stop7h 48m

$374

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 7/22

7:55 am-4:29 pm

1 stop9h 34m

Ontario

Wed 7/30

11:25 am-10:15 pm

1 stop9h 50m

$415

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 7/2

6:15 am-12:32 pm

1 stop7h 17m

Ontario

Sat 2/21

6:00 am-12:24 pm

1 stop5h 24m

$581

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 6/27

6:45 am-11:02 pm

1 stop17h 17m

Ontario

Sun 6/29

12:59 am-9:57 pm

1 stop19h 58m

$617

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 6/25

7:00 am-5:10 pm

2 stops11h 10m

Ontario

Tue 7/1

6:25 am-5:00 pm

2 stops9h 35m

$669

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 6/24

6:15 am-5:25 pm

1 stop12h 10m

$158

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 7/25

3:15 pm-11:40 pm

1 stop9h 25m

$174

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 6/24

3:00 pm-11:46 pm

2 stops9h 46m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results
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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

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

Currently, August is the cheapest month in which you can book a flight from Calgary to Ontario (average of $246). Flying from Calgary to Ontario in March is currently the most expensive (average of $328). 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?

Find hourly flight availability from Calgary to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Calgary to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 38% versus a flight at noon.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Calgary to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    United Airlines, at $325, was found to be the cheapest airline from Calgary to Ontario.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. These flights start at 34% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Calgary to Ontario one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $158. Delta flights start at $185 while deals on American Airlines start at $195 one-way.

  • 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, August is the cheapest month in which you can book a flight from Calgary to Ontario (average of $246). Flying from Calgary to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for Calgary to Ontario

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Top airline flying from Calgary to Ontario

Discover the top airline that operate flights from Calgary to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$423FlexibilityNo cancel feeOn-timeN/A

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