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Cheap flights from Calgary to Ontario from C$ 231

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ONT
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Calgary to Ontario

Enter your travel dates to find the best prices.

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 13 March 2026.

Wed 8/47:40 a.m.
YYC
-
ONT
1 stop9h 48m
Delta
Wed 15/41:29 p.m.
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 9/3C$ 445
Wed 8/47:55 a.m.
YYC
-
ONT
2 stops14h 05m
Multiple Airlines
Wed 15/47:44 p.m.
ONT
-
YYC
1 stop22h 06m
Multiple Airlines
Deal found 9/3C$ 453
Wed 15/43:22 p.m.
YYC
-
ONT
1 stop8h 23m
United Airlines
Sun 26/46:00 a.m.
ONT
-
YYC
1 stop5h 19m
United Airlines
Deal found 10/3C$ 454
Fri 24/43:22 p.m.
YYC
-
ONT
1 stop8h 23m
United Airlines
Mon 27/46:00 a.m.
ONT
-
YYC
1 stop5h 19m
United Airlines
Deal found 12/3C$ 463
Tue 14/47:40 a.m.
YYC
-
ONT
1 stop9h 45m
Delta
Fri 17/41:29 p.m.
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 10/3C$ 464
Mon 8/67:15 a.m.
YYC
-
ONT
1 stop9h 59m
Delta
Sat 13/61:00 p.m.
ONT
-
YYC
1 stop9h 06m
Delta
Deal found 9/3C$ 465
Mon 27/43:22 p.m.
YYC
-
ONT
1 stop8h 23m
United Airlines
Tue 5/56:00 a.m.
ONT
-
YYC
1 stop5h 19m
United Airlines
Deal found 11/3C$ 468
Sat 25/46:00 a.m.
YYC
-
ONT
2 stops12h 47m
United Airlines
Sat 2/56:00 a.m.
ONT
-
YYC
1 stop5h 19m
United Airlines
Deal found 11/3C$ 469
Fri 17/47:40 a.m.
YYC
-
ONT
1 stop9h 45m
Delta
Thu 23/41:29 p.m.
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 10/3C$ 475
Sat 6/67:45 a.m.
YYC
-
ONT
1 stop9h 32m
Delta
Sat 13/61:00 p.m.
ONT
-
YYC
1 stop9h 06m
Delta
Deal found 9/3C$ 476
Fri 17/47:40 a.m.
YYC
-
ONT
1 stop9h 45m
Delta
Fri 24/41:29 p.m.
ONT
-
YYC
1 stop8h 31m
Delta
Deal found 10/3C$ 486
Mon 8/67:15 a.m.
YYC
-
ONT
1 stop9h 59m
Delta
Sun 14/61:00 p.m.
ONT
-
YYC
1 stop9h 06m
Delta
Deal found 9/3C$ 502

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 13 March 2026.

Round-trip from

C$ 445

One-way from

C$ 231

Popular in

October

Cheapest in

December

Average price

C$ 683
United Airlines
  • United Airlines
  • 22/8-31/8
  • 2 total stops
  • 24h 52m total
  • Calgary to Ontario
Search Deals
13/4
  • 13/4
  • 1 total stop
  • 23h 44m total
  • Calgary to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 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 629,999 searches. Data last updated 13 March 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

Fri 24/4

3:22 p.m.-10:45 p.m.

1 stop8h 23m

Ontario

Mon 27/4

6:00 a.m.-12:19 p.m.

1 stop5h 19m

C$ 463
Quickest round-trip

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Mon 8/6

5:50 p.m.-10:40 p.m.

1 stop5h 50m

Ontario

Mon 15/6

2:00 p.m.-10:15 p.m.

1 stop7h 15m

C$ 539

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 10/4

7:40 a.m.-4:28 p.m.

1 stop9h 48m

Ontario

Mon 20/4

1:29 p.m.-11:00 p.m.

1 stop8h 31m

C$ 554

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Sat 22/8

6:00 a.m.-11:09 a.m.

1 stop6h 09m

Ontario

Mon 31/8

6:10 p.m.-10:29 a.m.

2 stops15h 19m

C$ 563

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 9/7

6:00 a.m.-1:13 p.m.

1 stop8h 13m

Ontario

Mon 13/7

2:09 p.m.-11:15 p.m.

1 stop8h 06m

C$ 571

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Fri 10/7

6:00 a.m.-1:13 p.m.

1 stop8h 13m

Ontario

Wed 15/7

2:09 p.m.-11:15 p.m.

1 stop8h 06m

C$ 605

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Tue 7/7

6:00 a.m.-11:14 a.m.

1 stop6h 14m

Ontario

Fri 17/7

2:09 p.m.-11:15 p.m.

1 stop8h 06m

C$ 605

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Mon 1/6

6:00 a.m.-8:42 p.m.

1 stop15h 42m

Ontario

Mon 8/6

5:00 a.m.-9:48 p.m.

1 stop15h 48m

C$ 648

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Thu 16/4

6:00 a.m.-12:38 p.m.

1 stop7h 38m

Ontario

Wed 22/4

5:10 a.m.-1:53 p.m.

1 stop7h 43m

C$ 654

CalgaryOntario

YYC - ONT

YYCONT

Calgary

Mon 6/4

6:00 a.m.-8:36 p.m.

1 stop15h 36m

Ontario

Sat 11/4

6:00 a.m.-12:19 p.m.

1 stop5h 19m

C$ 702

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 22 resultsSorted by cheapest first
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2
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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, October is the cheapest month in which you can book a flight from Calgary to Ontario (average of C$ 109). Flying from Calgary to Ontario in December is currently the most expensive (average of C$ 256). 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 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 13 March 2026.
Check out reviews from past customers who have flown with Delta and United Airlines 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
7.9
Good
8,285 reviews
Check prices

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

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
7.9
Good
8,285 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

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
9,418 reviews
Delta
7.9
Good
8,285 reviews
Check prices

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Comfort

7.9

Food

7.2

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

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, Delta, and Alaska Airlines 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 2h 49m. Airlines will cover a distance of 1918 km. This flight may include one or multiple stops.

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

    Currently priced at C$ 367, Delta will fly you from Calgary to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as C$ 468. You may be able to fly from Calgary to Ontario for 41% 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, October is the cheapest month in which you can book a flight from Calgary to Ontario (average of C$ 109). Flying from Calgary to Ontario in December is currently the most expensive (average of C$ 256). 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

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

Top 2 airlines flying from Calgary to Ontario

Discover the top 2 airlines 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 629,999 searches. Data last updated 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 367AverageC$ 560FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 468AverageC$ 621FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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?

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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