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Cheap flights from Ontario to Kolkata from ₹ 51,219

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CCU
11 Sep — 18 Sep1
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 August 2026.

Sat 31/1022:45 -
2 stops36h 35m
Sun 6/1200:50 -
2 stops28h 35m
Deal found 7/8₹ 102,723
Mon 24/800:45 -
2 stops34h 35m
Mon 14/901:00 -
2 stops30h 10m
Deal found 10/8₹ 105,680
Sun 6/900:45 -
2 stops35h 30m
Tue 29/902:00 -
2 stops28h 30m
Deal found 8/8₹ 111,784
Mon 10/800:45 -
2 stops34h 35m
Mon 24/801:00 -
2 stops30h 10m
Deal found 9/8₹ 129,525
Tue 1/912:00 -
2 stops26h 00m
Wed 30/904:00 -
2 stops27h 33m
Deal found 9/8₹ 129,716
Thu 12/1106:00 -
2 stops30h 25m
Mon 30/1103:25 -
2 stops45h 14m
Deal found 10/8₹ 132,291
Wed 11/1106:00 -
2 stops30h 25m
Fri 11/1203:25 -
2 stops32h 44m
Deal found 11/8₹ 133,340
Thu 15/1014:13 -
2 stops47h 27m
Fri 23/1003:40 -
2 stops26h 50m
Deal found 8/8₹ 134,103
Fri 25/900:10 -
2 stops36h 05m
Fri 23/1002:00 -
2 stops28h 30m
Deal found 11/8₹ 134,961
Fri 13/1106:00 -
2 stops30h 25m
Mon 30/1103:25 -
2 stops45h 14m
Deal found 10/8₹ 136,011
Mon 16/1106:00 -
2 stops30h 25m
Sun 6/1203:25 -
2 stops32h 44m
Deal found 10/8₹ 136,106

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 August 2026.

Round-trip from

₹ 100,530

One-way from

₹ 51,219

Popular in

June

Cheapest in

March

Average price

₹ 93,472
16/10-23/10
  • 16/10-23/10
  • 4 total stops
  • 64h 25m total
  • Ontario to Kolkata
Search Deals
10/10
  • 10/10
  • 2 total stops
  • 35h 50m total
  • Ontario to Kolkata
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (₹ 4,859,249 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (₹ 884,097 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 August 2026.
Use the filters below to find and compare flights from Ontario to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Fri 25/9

00:10-00:45

2 stops36h 05m

Kolkata Netaji S. Chandra

Fri 23/10

02:00-18:00

2 stops28h 30m

₹ 134,961

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Mon 16/11

06:00-01:55

2 stops30h 25m

Kolkata Netaji S. Chandra

Tue 8/12

03:25-22:39

2 stops32h 44m

₹ 136,106

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Wed 2/12

22:50-00:40

2 stops36h 20m

Kolkata Netaji S. Chandra

Fri 26/2

01:55-17:05

2 stops28h 40m

₹ 137,632

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Thu 15/10

14:13-02:10

2 stops47h 27m

Kolkata Netaji S. Chandra

Fri 23/10

03:40-13:16

2 stops46h 06m

₹ 141,447
Fastest return journey

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Mon 23/11

10:30-01:55

2 stops25h 55m

Kolkata Netaji S. Chandra

Thu 3/12

03:25-22:39

2 stops32h 44m

₹ 165,769

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Fri 11/12

06:00-01:55

2 stops30h 25m

Kolkata Netaji S. Chandra

Sun 24/1

03:25-22:39

2 stops32h 44m

₹ 187,515

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Wed 9/12

06:00-01:55

2 stops30h 25m

Kolkata Netaji S. Chandra

Wed 30/12

03:25-22:14

2 stops32h 19m

₹ 250,561

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Tue 8/12

16:00-01:55

2 stops44h 25m

Kolkata Netaji S. Chandra

Wed 30/12

03:25-18:16

2 stops28h 21m

₹ 251,515

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Mon 7/12

06:00-01:55

2 stops30h 25m

Kolkata Netaji S. Chandra

Wed 30/12

03:25-22:14

2 stops32h 19m

₹ 253,994

OntarioKolkata

ONT Ontario - CCU Kolkata Netaji S. Chandra

ONTCCU

Ontario

Fri 11/12

06:00-01:55

2 stops30h 25m

Kolkata Netaji S. Chandra

Tue 5/1

03:25-22:39

2 stops32h 44m

₹ 261,625

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 19 resultsSorted by cheapest first
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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.

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 ₹ 136,106, Qatar Airways can have you in Kolkata from Ontario in 30h 25m. 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.

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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