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Cheap flights from Ontario to Kolkata from ₹ 52,721

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CCU
30 Apr — 7 May1
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 31 March 2026.

Wed 29/400:10
ONT
-
CCU
2 stops59h 19m
Multiple Airlines
Wed 17/600:30
CCU
-
ONT
2 stops30h 00m
Multiple Airlines
Deal found 31/3₹ 109,403
Wed 29/400:10
ONT
-
CCU
2 stops59h 19m
Multiple Airlines
Sat 20/600:30
CCU
-
ONT
2 stops54h 00m
Multiple Airlines
Deal found 31/3₹ 110,441
Thu 3/1212:00
ONT
-
CCU
2 stops24h 25m
Qatar Airways
Thu 10/1203:25
CCU
-
ONT
2 stops32h 44m
Qatar Airways
Deal found 30/3₹ 115,062
Fri 17/406:00
ONT
-
CCU
2 stops32h 00m
Multiple Airlines
Fri 1/504:00
CCU
-
ONT
2 stops32h 29m
Multiple Airlines
Deal found 29/3₹ 117,608
Wed 15/419:08
ONT
-
CCU
2 stops42h 52m
Multiple Airlines
Wed 29/404:00
CCU
-
ONT
2 stops31h 02m
Multiple Airlines
Deal found 26/3₹ 119,117
Thu 16/406:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Fri 1/504:00
CCU
-
ONT
2 stops32h 29m
Qatar Airways
Deal found 29/3₹ 121,192
Fri 17/406:00
ONT
-
CCU
2 stops32h 00m
Multiple Airlines
Sat 2/504:00
CCU
-
ONT
2 stops31h 02m
Multiple Airlines
Deal found 29/3₹ 121,381
Thu 16/406:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Sat 2/504:00
CCU
-
ONT
2 stops31h 02m
Qatar Airways
Deal found 29/3₹ 124,870
Mon 4/519:59
ONT
-
CCU
2 stops42h 01m
Qatar Airways
Sun 31/504:00
CCU
-
ONT
2 stops32h 28m
Qatar Airways
Deal found 31/3₹ 125,625
Fri 8/519:59
ONT
-
CCU
2 stops42h 01m
Qatar Airways
Sun 31/504:00
CCU
-
ONT
2 stops32h 28m
Qatar Airways
Deal found 31/3₹ 129,303
Mon 13/400:10
ONT
-
CCU
2 stops36h 55m
Multiple Airlines
Mon 27/402:00
CCU
-
ONT
2 stops28h 30m
Multiple Airlines
Deal found 26/3₹ 131,755
Wed 6/500:10
ONT
-
CCU
2 stops36h 05m
Multiple Airlines
Wed 10/602:00
CCU
-
ONT
2 stops28h 30m
Multiple Airlines
Deal found 28/3₹ 135,811

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 31 March 2026.

Round-trip from

₹ 117,608

One-way from

₹ 52,721

Popular in

April

Cheapest in

August

Average price

₹ 93,936
17/4-1/5
  • 17/4-1/5
  • 4 total stops
  • 64h 29m total
  • Ontario to Kolkata
Search Deals
Etihad Airways
  • Etihad Airways
  • 23/5
  • 2 total stops
  • 33h 19m total
  • Ontario to Kolkata
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 481,750 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 247,667 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 March 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 - CCU

ONTCCU

Ontario

Mon 13/4

00:10-01:35

2 stops36h 55m

Kolkata Netaji S. Chandra

Mon 27/4

02:00-18:00

2 stops28h 30m

₹ 131,755

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 16/4

10:33-02:30

2 stops27h 27m

Kolkata Netaji S. Chandra

Wed 29/4

04:00-22:32

2 stops31h 02m

₹ 144,582

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 8/6

00:10-23:50

2 stops35h 10m

Kolkata Netaji S. Chandra

Mon 13/7

01:00-18:40

2 stops30h 10m

₹ 148,071
Fastest return journey

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 17/4

10:59-02:30

2 stops27h 01m

Kolkata Netaji S. Chandra

Fri 1/5

04:00-19:05

2 stops27h 35m

₹ 158,729

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 17/4

10:59-02:30

2 stops27h 01m

Kolkata Netaji S. Chandra

Wed 29/4

04:00-22:32

2 stops31h 02m

₹ 158,729

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 16/9

12:00-02:30

2 stops26h 00m

Kolkata Netaji S. Chandra

Sun 20/9

04:00-22:39

2 stops31h 09m

₹ 159,012

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 17/4

10:59-02:30

2 stops27h 01m

Kolkata Netaji S. Chandra

Sat 25/4

04:00-22:32

2 stops31h 02m

₹ 162,501

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 23/7

21:13-22:15

2 stops36h 32m

Kolkata Netaji S. Chandra

Wed 12/8

23:40-16:44

2 stops29h 34m

₹ 163,162

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 24/5

22:41-18:35

2 stops31h 24m

Kolkata Netaji S. Chandra

Sat 11/7

23:00-22:40

2 stops60h 10m

₹ 164,293

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 7/5

10:39-02:30

2 stops27h 21m

Kolkata Netaji S. Chandra

Fri 24/7

04:00-13:22

2 stops45h 52m

₹ 167,971

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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.

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 ₹ 73,187). Flying from Ontario to Kolkata in December is currently the most expensive (average of ₹ 118,834). 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 ₹ 144,582, Qatar Airways can have you in Kolkata from Ontario in 27h 27m. 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 ₹ 73,187). Flying from Ontario to Kolkata in December is currently the most expensive (average of ₹ 118,834). 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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