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Cheap flights from Ontario to Kolkata from ₹ 69,119

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CCU
13 Jul — 20 Jul1
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 13 June 2026.

Tue 20/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Sun 1/1103:25
CCU
-
ONT
2 stops28h 33m
Qatar Airways
Deal found 10/6₹ 126,275
Thu 15/1018:54
ONT
-
CCU
2 stops43h 06m
Qatar Airways
Thu 29/1003:25
CCU
-
ONT
2 stops32h 47m
Qatar Airways
Deal found 13/6₹ 127,035
Sat 17/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Mon 9/1103:25
CCU
-
ONT
2 stops32h 59m
Qatar Airways
Deal found 9/6₹ 130,073
Tue 20/1006:00
ONT
-
CCU
2 stops32h 00m
Multiple Airlines
Tue 3/1103:25
CCU
-
ONT
2 stops28h 33m
Multiple Airlines
Deal found 10/6₹ 130,643
Fri 16/1018:54
ONT
-
CCU
2 stops43h 06m
Qatar Airways
Mon 9/1103:25
CCU
-
ONT
2 stops32h 59m
Qatar Airways
Deal found 9/6₹ 130,833
Mon 3/800:45
ONT
-
CCU
2 stops49h 25m
Multiple Airlines
Wed 12/808:20
CCU
-
ONT
2 stops46h 50m
Multiple Airlines
Deal found 13/6₹ 131,402
Tue 20/1006:00
ONT
-
CCU
2 stops32h 00m
Multiple Airlines
Mon 2/1103:25
CCU
-
ONT
2 stops32h 59m
Multiple Airlines
Deal found 10/6₹ 131,687
Sat 17/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Sun 8/1103:25
CCU
-
ONT
2 stops32h 59m
Qatar Airways
Deal found 9/6₹ 136,529
Sat 17/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Thu 12/1103:25
CCU
-
ONT
2 stops45h 23m
Qatar Airways
Deal found 9/6₹ 137,289
Sat 17/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Sat 7/1103:25
CCU
-
ONT
2 stops32h 59m
Qatar Airways
Deal found 9/6₹ 140,327
Tue 22/921:10
ONT
-
CCU
2 stops41h 15m
Multiple Airlines
Wed 7/1021:30
CCU
-
ONT
2 stops37h 09m
Multiple Airlines
Deal found 10/6₹ 145,739
Wed 7/1006:00
ONT
-
CCU
2 stops32h 00m
Qatar Airways
Wed 21/1004:00
CCU
-
ONT
2 stops27h 27m
Qatar Airways
Deal found 10/6₹ 148,113

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 13 June 2026.

Round-trip from

₹ 126,275

One-way from

₹ 69,119

Popular in

June

Cheapest in

March

Average price

₹ 207,832
Qatar Airways
  • Qatar Airways
  • 20/10-1/11
  • 4 total stops
  • 60h 33m total
  • Ontario to Kolkata
Search Deals
Qatar Airways
  • Qatar Airways
  • 1/8
  • 2 total stops
  • 31h 58m total
  • Ontario to Kolkata
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (₹ 4,017,291 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 649,964 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 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

Sat 17/10

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Mon 9/11

03:25-22:54

2 stops32h 59m

₹ 130,073

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 17/10

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Thu 12/11

03:25-11:18

2 stops45h 23m

₹ 137,289

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 17/10

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Sat 7/11

03:25-22:54

2 stops32h 59m

₹ 140,327
Fastest return journey

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 18/9

06:02-02:30

2 stops31h 58m

Kolkata Netaji S. Chandra

Tue 22/9

04:00-19:03

2 stops27h 33m

₹ 155,518

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 17/10

06:00-02:30

2 stops32h 00m

Kolkata Netaji S. Chandra

Fri 13/11

03:25-22:23

2 stops32h 28m

₹ 160,550

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 22/7

14:05-02:30

2 stops47h 55m

Kolkata Netaji S. Chandra

Tue 11/8

04:00-18:47

2 stops51h 17m

₹ 170,140

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 22/7

06:02-02:30

2 stops31h 58m

Kolkata Netaji S. Chandra

Mon 10/8

04:00-20:30

2 stops29h 00m

₹ 171,754

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 11/7

21:20-02:30

2 stops40h 40m

Kolkata Netaji S. Chandra

Wed 29/7

04:00-19:59

2 stops28h 29m

₹ 180,963

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 11/7

21:20-02:30

2 stops40h 40m

Kolkata Netaji S. Chandra

Fri 31/7

04:00-22:32

2 stops55h 02m

₹ 181,248
Cheapest one-way

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 25/10

23:50-00:40

2 stops36h 20m

₹ 86,209

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 21 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 ₹ 130,073, 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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