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Cheap flights from Ontario to Kolkata from ₹ 69,904

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CCU
15 Jun — 22 Jun1
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 16 May 2026.

Wed 2/911:58
ONT
-
CCU
2 stops26h 02m
Multiple Airlines
Wed 16/904:00
CCU
-
ONT
2 stops27h 33m
Multiple Airlines
Deal found 15/5₹ 124,561
Tue 1/911:58
ONT
-
CCU
2 stops26h 02m
Qatar Airways
Wed 16/904:00
CCU
-
ONT
2 stops27h 33m
Qatar Airways
Deal found 15/5₹ 125,903
Mon 22/614:05
ONT
-
CCU
2 stops47h 55m
Multiple Airlines
Mon 6/704:00
CCU
-
ONT
2 stops31h 41m
Multiple Airlines
Deal found 15/5₹ 125,999
Sun 2/800:45
ONT
-
CCU
2 stops40h 20m
Multiple Airlines
Sun 16/821:25
CCU
-
ONT
2 stops33h 45m
Multiple Airlines
Deal found 15/5₹ 126,191
Tue 7/712:04
ONT
-
CCU
2 stops25h 56m
Multiple Airlines
Tue 28/704:00
CCU
-
ONT
2 stops31h 41m
Multiple Airlines
Deal found 15/5₹ 126,670
Mon 6/721:20
ONT
-
CCU
2 stops40h 40m
Multiple Airlines
Tue 28/704:00
CCU
-
ONT
2 stops31h 41m
Multiple Airlines
Deal found 15/5₹ 127,437
Sun 11/1018:54
ONT
-
CCU
2 stops43h 06m
Qatar Airways
Sun 15/1103:25
CCU
-
ONT
2 stops28h 33m
Qatar Airways
Deal found 16/5₹ 127,917
Thu 15/1018:54
ONT
-
CCU
2 stops43h 06m
Qatar Airways
Thu 5/1103:25
CCU
-
ONT
2 stops45h 23m
Qatar Airways
Deal found 14/5₹ 128,588
Sun 2/800:45
ONT
-
CCU
2 stops34h 44m
Multiple Airlines
Thu 20/800:30
CCU
-
ONT
2 stops54h 40m
Multiple Airlines
Deal found 15/5₹ 129,930
Fri 9/1000:10
ONT
-
CCU
2 stops36h 55m
Multiple Airlines
Fri 30/1002:35
CCU
-
ONT
2 stops27h 45m
Multiple Airlines
Deal found 16/5₹ 130,793
Sat 10/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Thu 29/1003:25
CCU
-
ONT
2 stops32h 47m
Qatar Airways
Deal found 16/5₹ 130,985
Sun 2/800:45
ONT
-
CCU
2 stops34h 44m
Multiple Airlines
Tue 18/800:30
CCU
-
ONT
2 stops30h 40m
Multiple Airlines
Deal found 15/5₹ 131,081

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 16 May 2026.

Round-trip from

₹ 124,561

One-way from

₹ 69,904

Popular in

December

Cheapest in

March

Average price

₹ 139,903
2/9-16/9
  • 2/9-16/9
  • 4 total stops
  • 53h 35m total
  • Ontario to Kolkata
Search Deals
1/10
  • 1/10
  • 2 total stops
  • 37h 48m total
  • Ontario to Kolkata
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (₹ 2,631,941 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 658,127 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 16 May 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
Fastest return journey

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 9/9

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Wed 23/9

04:00-19:03

2 stops27h 33m

₹ 125,903

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 6/7

21:20-02:30

2 stops40h 40m

Kolkata Netaji S. Chandra

Tue 14/7

04:00-23:11

2 stops31h 41m

₹ 125,999

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 7/10

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Wed 11/11

03:25-18:28

2 stops28h 33m

₹ 134,054

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 1/7

06:02-02:30

2 stops31h 58m

Kolkata Netaji S. Chandra

Fri 24/7

04:00-23:11

2 stops31h 41m

₹ 134,629

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 29/8

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Tue 15/9

04:00-19:03

2 stops27h 33m

₹ 137,889

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 4/8

23:50-03:00

2 stops38h 40m

Kolkata Netaji S. Chandra

Fri 21/8

21:30-22:05

2 stops37h 05m

₹ 155,725

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 21/7

23:50-03:00

2 stops38h 40m

Kolkata Netaji S. Chandra

Sun 9/8

04:10-22:35

2 stops54h 55m

₹ 156,971

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 6/8

23:50-03:00

2 stops38h 40m

Kolkata Netaji S. Chandra

Wed 19/8

21:30-22:35

2 stops37h 35m

₹ 162,341

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 6/8

23:50-03:00

2 stops38h 40m

Kolkata Netaji S. Chandra

Tue 18/8

04:10-22:35

2 stops30h 55m

₹ 162,341

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 21/7

06:02-02:30

2 stops31h 58m

Kolkata Netaji S. Chandra

Thu 13/8

04:00-20:36

2 stops29h 06m

₹ 171,259

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 20 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 ₹ 125,903, Qatar Airways can have you in Kolkata from Ontario in 32h. 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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