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Cheap flights from Ontario to Kolkata from ₹ 66,111

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CCU
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Kolkata

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Kolkata
Explore the most affordable flight options available from Ontario to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Wed 31/1212:45ONT - CCU
2 stops47h 40mQatar Airways
Fri 13/203:25CCU - ONT
2 stops28h 44mQatar Airways
Deal found 11/12₹ 195,718
Thu 25/1206:00ONT - CCU
2 stops30h 25mQatar Airways
Sat 17/103:25CCU - ONT
2 stops34h 01mQatar Airways
Deal found 10/12₹ 247,128
Fri 26/1214:42ONT - CCU
2 stops45h 43mQatar Airways
Thu 8/103:25CCU - ONT
2 stops34h 01mQatar Airways
Deal found 9/12₹ 265,527
Fri 26/1214:42ONT - CCU
2 stops45h 43mQatar Airways
Sun 11/103:25CCU - ONT
2 stops28h 50mQatar Airways
Deal found 9/12₹ 266,249
Thu 25/1206:00ONT - CCU
2 stops30h 25mQatar Airways
Mon 12/103:25CCU - ONT
2 stops30h 41mQatar Airways
Deal found 9/12₹ 269,225
Wed 17/1215:04ONT - CCU
2 stops45h 21mQatar Airways
Tue 30/1203:25CCU - ONT
2 stops34h 19mQatar Airways
Deal found 12/12₹ 301,604
Wed 17/1210:47ONT - CCU
2 stops49h 38mQatar Airways
Tue 6/103:25CCU - ONT
2 stops30h 41mQatar Airways
Deal found 10/12₹ 307,287
Sat 13/1206:00ONT - CCU
2 stops30h 25mQatar Airways
Wed 14/103:25CCU - ONT
2 stops34h 01mQatar Airways
Deal found 10/12₹ 308,910
Sun 21/1210:50ONT - CCU
2 stops25h 35mQatar Airways
Tue 30/1203:25CCU - ONT
2 stops34h 19mQatar Airways
Deal found 11/12₹ 313,149
Mon 15/1210:47ONT - CCU
2 stops25h 38mQatar Airways
Tue 30/1203:25CCU - ONT
2 stops34h 19mQatar Airways
Deal found 12/12₹ 318,110
Tue 16/1210:47ONT - CCU
2 stops49h 38mQatar Airways
Tue 30/1203:25CCU - ONT
2 stops34h 19mQatar Airways
Deal found 12/12₹ 318,380

Find flight deals from Ontario to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kolkata (CCU). 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 12 December 2025.

Round-trip from

₹ 92,448

One-way from

₹ 66,111

Popular in

June

Cheapest in

March

Average price

₹ 142,595
2/2-15/3
  • 2/2-15/3
  • 4 total stops
  • 65h 05m total
  • Ontario to Kolkata
Search Deals
Air India
  • Air India
  • 30/5
  • 2 total stops
  • 40h 20m total
  • Ontario to Kolkata
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 1,470,256 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 242,233 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Kolkata 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 12 December 2025.
Use the filters below to find and compare flights from Ontario to Kolkata that are best for you.

Fly from

Ontario

Fly to

Kolkata

Route

Depart

Return

Price

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 2/2

21:45-23:50

2 stops36h 35m

Kolkata Netaji S. Chandra

Sun 15/3

00:50-16:50

2 stops28h 30m

₹ 90,012

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 9/5

00:10-00:45

2 stops60h 05m

Kolkata Netaji S. Chandra

Thu 4/6

02:00-18:00

2 stops28h 30m

₹ 97,318

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 6/4

23:10-00:45

2 stops37h 05m

Kolkata Netaji S. Chandra

Thu 23/4

02:00-17:05

2 stops27h 35m

₹ 98,220

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 3/3

12:02-01:55

2 stops24h 23m

Kolkata Netaji S. Chandra

Fri 20/3

03:25-22:38

2 stops31h 43m

₹ 106,247

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 4/1

22:50-00:40

2 stops36h 20m

Kolkata Netaji S. Chandra

Sat 14/2

01:55-16:50

2 stops28h 25m

₹ 112,019

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 12/5

11:30-02:20

2 stops26h 20m

Kolkata Netaji S. Chandra

Mon 1/6

03:50-18:25

2 stops27h 05m

₹ 113,462

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 13/5

11:51-02:20

2 stops25h 59m

Kolkata Netaji S. Chandra

Mon 1/6

03:50-18:25

2 stops27h 05m

₹ 113,462

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 12/5

11:30-02:20

2 stops26h 20m

Kolkata Netaji S. Chandra

Tue 2/6

03:50-18:25

2 stops27h 05m

₹ 113,462

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 12/5

00:10-23:59

3 stops35h 19m

Kolkata Netaji S. Chandra

Thu 4/6

23:30-17:05

2 stops30h 05m

₹ 121,219

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 18/4

06:00-02:20

2 stops31h 50m

Kolkata Netaji S. Chandra

Tue 21/4

03:50-18:19

2 stops26h 59m

₹ 145,481

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Ontario 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 Ontario to Kolkata

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Kolkata (average of ₹ 69,178). Flying from Ontario to Kolkata in December is currently the most expensive (average of ₹ 114,004). 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 Ontario to Kolkata. 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 Ontario to Kolkata?

    For as low as ₹ 106,247, Qatar Airways can have you in Kolkata from Ontario in 24h 23m. The distance from Ontario to Kolkata is about 13124 km.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Ontario to Kolkata (average of ₹ 69,178). Flying from Ontario to Kolkata in December is currently the most expensive (average of ₹ 114,004). 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 Ontario to Kolkata?

When you search for this flight from Ontario to Kolkata, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Yes! Cheapflights helps users easily find flights from Ontario to Kolkata with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Kolkata become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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