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$174+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ONT
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap 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 March 10, 2026.

This Delta deal was found by Cheapflights users on 3/5. 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.
Wed 4/87:40 am
YYC
-
ONT
1 stop9h 48m
Delta
Fri 4/171:29 pm
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 3/5$324
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 5/66:00 am
YYC
-
ONT
1 stop7h 38m
United Airlines
Wed 5/136:00 am
ONT
-
YYC
1 stop5h 19m
United Airlines
Deal found 3/7$325
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/243:22 pm
YYC
-
ONT
1 stop8h 23m
United Airlines
Mon 4/275:10 am
ONT
-
YYC
1 stop15h 38m
United Airlines
Deal found 3/8$327
This Delta deal was found by Cheapflights users on 3/5. 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.
Sun 4/127:40 am
YYC
-
ONT
1 stop9h 48m
Delta
Tue 4/141:29 pm
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 3/5$332
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/87:55 am
YYC
-
ONT
2 stops14h 05m
Multiple Airlines
Wed 4/157:44 pm
ONT
-
YYC
1 stop22h 06m
Multiple Airlines
Deal found 3/9$333
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 7/306:00 am
YYC
-
ONT
1 stop15h 42m
United Airlines
Tue 8/115:00 am
ONT
-
YYC
1 stop12h 30m
United Airlines
Deal found 3/10$334
This Delta deal was found by Cheapflights users on 3/5. 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.
Sun 4/127:40 am
YYC
-
ONT
1 stop9h 48m
Delta
Thu 4/166:00 am
ONT
-
YYC
1 stop4h 39m
Delta
Deal found 3/5$340
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:40 am
YYC
-
ONT
1 stop5h 34m
Delta
Wed 4/221:29 pm
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 3/10$341
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:15 am
YYC
-
ONT
1 stop9h 59m
Delta
Sat 6/131:00 pm
ONT
-
YYC
1 stop9h 06m
Delta
Deal found 3/9$342
This Delta deal was found by Cheapflights users on 3/6. 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.
Mon 6/87:15 am
YYC
-
ONT
1 stop9h 59m
Delta
Sun 6/141:00 pm
ONT
-
YYC
1 stop9h 06m
Delta
Deal found 3/6$343
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 am
YYC
-
ONT
1 stop9h 45m
Delta
Thu 4/231:29 pm
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 3/10$349
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:45 am
YYC
-
ONT
1 stop9h 32m
Delta
Sat 6/131:00 pm
ONT
-
YYC
1 stop9h 06m
Delta
Deal found 3/9$350

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$324
(United Airlines)

One-way from

$174
(Kiwi.com)

Popular in

October

Cheapest in

December

Average price

$502
Provider with most accurate pricing for Calgary-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-Ontario flights.
Search Deals
From Calgary to Ontario
Search Deals
One-way flight from Calgary to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 2026.
Use the filters below to find and compare flights from Calgary to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 4/29

6:00 am-8:36 pm

1 stop15h 36m

Ontario

Wed 5/6

6:00 am-12:19 pm

1 stop5h 19m

$327
Quickest round-trip

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sat 5/23

7:45 am-12:19 pm

1 stop5h 34m

Ontario

Wed 5/27

6:45 am-1:10 pm

1 stop5h 25m

$378

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 5/15

8:45 am-5:10 pm

1 stop9h 25m

Ontario

Wed 5/20

6:45 am-1:10 pm

1 stop5h 25m

$389

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 4/21

7:40 am-12:14 pm

1 stop5h 34m

Ontario

Sat 4/25

1:29 pm-11:00 pm

1 stop8h 31m

$390

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 6/4

6:00 am-5:28 pm

1 stop12h 28m

Ontario

Sun 6/7

5:00 am-9:48 pm

1 stop15h 48m

$401

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 7/29

6:00 am-11:14 am

1 stop6h 14m

Ontario

Tue 8/4

7:00 am-6:10 pm

2 stops10h 10m

$415

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 7/23

5:50 pm-10:40 pm

1 stop5h 50m

Ontario

Mon 7/27

2:00 pm-10:15 pm

1 stop7h 15m

$416

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 7/9

6:00 am-1:13 pm

1 stop8h 13m

Ontario

Mon 7/13

2:09 pm-11:15 pm

1 stop8h 06m

$420

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 7/16

7:15 am-4:14 pm

1 stop9h 59m

Ontario

Mon 7/27

1:00 pm-11:06 pm

1 stop9h 06m

$424

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Wed 3/25

6:15 am-8:50 pm

1 stop15h 35m

Ontario

Thu 4/30

6:00 am-12:19 pm

1 stop5h 19m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 24 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Calgary-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 Calgary-Ontario 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 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, October is the cheapest month in which you can book a flight from Calgary to Ontario (average of $80). Flying from Calgary to Ontario in December is currently the most expensive (average of $188). 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.

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.

  • How long is the flight from Calgary to Ontario?

    Airlines like United Airlines and Delta fly from Calgary to Ontario in about 5h 34m. The time it takes to get you to your destination can typically vary by up to 10h 02m. There are 1192 mi between Calgary and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, October is the cheapest month in which you can book a flight from Calgary to Ontario (average of $80). Flying from Calgary to Ontario in December is currently the most expensive (average of $188). 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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