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Cheap flights from Kolkata to Ontario from ₹ 67,387

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — ONT
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kolkata to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Kolkata to Ontario
Explore the most affordable flight options available from Kolkata to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Sun 19/400:30
CCU
-
ONT
2 stops29h 05m
Multiple Airlines
Wed 6/523:10
ONT
-
CCU
2 stops36h 19m
Multiple Airlines
Deal found 30/3₹ 137,402
Tue 2/606:55
CCU
-
ONT
2 stops50h 22m
Air India
Tue 22/922:56
ONT
-
CCU
2 stops31h 09m
Air India
Deal found 27/3₹ 140,405
Thu 14/502:05
CCU
-
ONT
2 stops27h 30m
Multiple Airlines
Fri 14/800:45
ONT
-
CCU
2 stops24h 25m
Multiple Airlines
Deal found 29/3₹ 142,001
Sun 7/623:00
CCU
-
ONT
2 stops58h 17m
Air India
Wed 22/723:59
ONT
-
CCU
2 stops28h 26m
Air India
Deal found 27/3₹ 143,972
Tue 28/404:00
CCU
-
ONT
2 stops55h 06m
Qatar Airways
Tue 5/506:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Deal found 31/3₹ 144,723
Sat 18/404:00
CCU
-
ONT
2 stops32h 29m
Qatar Airways
Sat 22/807:20
ONT
-
CCU
2 stops30h 40m
Qatar Airways
Deal found 27/3₹ 149,885
Tue 21/404:00
CCU
-
ONT
2 stops26h 43m
Qatar Airways
Tue 5/507:30
ONT
-
CCU
2 stops30h 30m
Qatar Airways
Deal found 30/3₹ 152,888
Sun 24/504:00
CCU
-
ONT
2 stops32h 28m
Qatar Airways
Thu 3/912:35
ONT
-
CCU
2 stops49h 25m
Qatar Airways
Deal found 31/3₹ 152,982
Wed 27/504:00
CCU
-
ONT
2 stops55h 08m
Qatar Airways
Thu 3/912:35
ONT
-
CCU
2 stops49h 25m
Qatar Airways
Deal found 1/4₹ 154,859
Mon 11/504:00
CCU
-
ONT
2 stops32h 29m
Qatar Airways
Tue 9/606:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Deal found 28/3₹ 159,364
Mon 20/404:00
CCU
-
ONT
2 stops26h 43m
Qatar Airways
Tue 5/510:59
ONT
-
CCU
2 stops27h 01m
Qatar Airways
Deal found 30/3₹ 161,429

Find flight deals from Kolkata to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) 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 1 April 2026.

Round-trip from

₹ 137,402

One-way from

₹ 67,387

Popular in

January

Cheapest in

November

Average price

₹ 129,518
19/4-6/5
  • 19/4-6/5
  • 4 total stops
  • 65h 24m total
  • Kolkata to Ontario
Search Deals
13/8
  • 13/8
  • 2 total stops
  • 29h 05m total
  • Kolkata to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (₹ 889,605 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 268,082 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kolkata 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 454,620 searches. Data last updated 1 April 2026.
Use the filters below to find and compare flights from Kolkata to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Sun 19/4

00:30-17:05

2 stops29h 05m

Ontario

Wed 6/5

23:10-23:59

2 stops36h 19m

₹ 137,402
Fastest return journey

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Thu 14/5

02:05-17:05

2 stops27h 30m

Ontario

Fri 14/8

00:45-13:40

2 stops24h 25m

₹ 142,001

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Sun 7/6

23:00-20:47

2 stops58h 17m

Ontario

Wed 22/7

23:59-16:55

2 stops28h 26m

₹ 143,972

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Sat 18/4

04:00-23:59

2 stops32h 29m

Ontario

Sat 22/8

07:20-02:30

2 stops30h 40m

₹ 149,885

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Tue 21/4

04:00-18:13

2 stops26h 43m

Ontario

Tue 5/5

07:30-02:30

2 stops30h 30m

₹ 152,888

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Wed 27/5

04:00-22:38

2 stops55h 08m

Ontario

Thu 3/9

12:35-02:30

2 stops49h 25m

₹ 154,859

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Mon 11/5

04:00-23:59

2 stops32h 29m

Ontario

Tue 9/6

06:00-02:30

2 stops32h 00m

₹ 159,364

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Sun 31/5

04:00-23:58

2 stops32h 28m

Ontario

Tue 16/6

12:02-02:30

2 stops25h 58m

₹ 161,804

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Tue 19/5

04:00-23:58

2 stops32h 28m

Ontario

Thu 29/10

12:00-01:55

2 stops25h 25m

₹ 180,293

KolkataOntario

CCU - ONT

CCUONT

Kolkata Netaji S. Chandra

Fri 29/5

21:30-20:47

2 stops35h 47m

Ontario

Tue 16/6

23:53-03:00

2 stops38h 37m

₹ 211,641

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Kolkata to Ontario

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

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

Currently, November is the cheapest month in which you can book a flight from Kolkata to Ontario (average of ₹ 89,443). Flying from Kolkata to Ontario in June is currently the most expensive (average of ₹ 127,172). 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 Kolkata 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 Kolkata to Ontario?

    For as low as ₹ 149,885, Air India can have you in Ontario from Kolkata in 32h 29m. There are 13124 km between Kolkata and Ontario. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Kolkata to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Kolkata 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 Kolkata to Ontario?

    Currently, November is the cheapest month in which you can book a flight from Kolkata to Ontario (average of ₹ 89,443). Flying from Kolkata to Ontario in June is currently the most expensive (average of ₹ 127,172). 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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How does Cheapflights help users find flights from Kolkata to Ontario?

Deals for Kolkata to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kolkata to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Kolkata to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Kolkata to Ontario with no change fees?

Yes, we can. To see specific flights from Kolkata 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 Kolkata to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Kolkata to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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