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$589+ Cheap flights from Ontario (ONT) to Kolkata (CCU)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CCU
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap 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 January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$994
(Trip.com)

One-way from

$589
(FlightHub)

Popular in

June

Cheapest in

August

Average price

$1,232
Provider with most accurate pricing for Los Angeles-Kolkata Netaji S. Chandra flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Kolkata Netaji S. Chandra flights.
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From Ontario to Kolkata Netaji S. Chandra
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One-way flight from Ontario to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 13% potential increase in price ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Ontario to Kolkata

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 January 14, 2026.

This FlightHub deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:02 pm
ONT
-
CCU
2 stops24h 23m
Qatar Airways
Tue 3/103:25 am
CCU
-
ONT
2 stops31h 49m
Qatar Airways
Deal found 1/13$1,163
This FlightHub deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:02 pm
ONT
-
CCU
2 stops24h 23m
Qatar Airways
Tue 3/173:25 am
CCU
-
ONT
2 stops27h 18m
Qatar Airways
Deal found 1/12$1,167
This Gurufare deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:14 am
ONT
-
CCU
2 stops30h 11m
Multiple Airlines
Wed 3/183:25 am
CCU
-
ONT
2 stops27h 18m
Multiple Airlines
Deal found 1/12$1,181
This Qatar Airways deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2011:53 am
ONT
-
CCU
2 stops24h 32m
Qatar Airways
Mon 2/23:25 am
CCU
-
ONT
2 stops30h 41m
Qatar Airways
Deal found 1/11$1,219
This oojo deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:02 pm
ONT
-
CCU
2 stops24h 23m
Qatar Airways
Thu 3/53:25 am
CCU
-
ONT
2 stops33h 37m
Qatar Airways
Deal found 1/13$1,235
This Qatar Airways deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:14 am
ONT
-
CCU
2 stops30h 11m
Multiple Airlines
Thu 3/53:25 am
CCU
-
ONT
2 stops33h 37m
Multiple Airlines
Deal found 1/13$1,237
This FlightHub deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:14 am
ONT
-
CCU
2 stops30h 11m
Qatar Airways
Tue 3/103:25 am
CCU
-
ONT
2 stops31h 49m
Qatar Airways
Deal found 1/13$1,355
This Trip.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:45 pm
ONT
-
CCU
2 stops36h 30m
Multiple Airlines
Sat 8/82:00 am
CCU
-
ONT
2 stops52h 10m
Multiple Airlines
Deal found 1/13$1,420
This FlightHub deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2011:53 am
ONT
-
CCU
2 stops24h 32m
Qatar Airways
Mon 2/163:25 am
CCU
-
ONT
2 stops32h 49m
Qatar Airways
Deal found 1/11$1,451
This Trip.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:50 pm
ONT
-
CCU
2 stops36h 20m
Multiple Airlines
Tue 2/241:55 am
CCU
-
ONT
2 stops28h 25m
Multiple Airlines
Deal found 1/12$1,507
This KAYAK deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/225:05 am
ONT
-
CCU
3 stops54h 00m
Multiple Airlines
Sun 2/89:00 pm
CCU
-
ONT
3 stops58h 13m
Multiple Airlines
Deal found 1/14$1,514
This oojo deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2510:33 am
ONT
-
CCU
2 stops26h 52m
Qatar Airways
Wed 4/14:00 am
CCU
-
ONT
2 stops46h 19m
Qatar Airways
Deal found 1/12$1,517

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 14, 2026.
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

Thu 2/26

6:14 am-1:55 am

2 stops30h 11m

Kolkata Netaji S. Chandra

Wed 3/18

3:25 am-6:13 pm

2 stops27h 18m

$1,181

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 2/27

6:14 am-1:55 am

2 stops30h 11m

Kolkata Netaji S. Chandra

Thu 3/5

3:25 am-11:32 pm

2 stops33h 37m

$1,237

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 2/10

10:50 pm-12:40 am

2 stops36h 20m

Kolkata Netaji S. Chandra

Tue 2/24

1:55 am-4:50 pm

2 stops28h 25m

$1,507

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 3/25

10:33 am-1:55 am

2 stops26h 52m

Kolkata Netaji S. Chandra

Wed 4/1

4:00 am-1:49 pm

2 stops46h 19m

$1,517

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 3/17

6:14 am-1:55 am

2 stops31h 11m

Kolkata Netaji S. Chandra

Tue 4/14

4:00 am-6:37 pm

2 stops51h 07m

$1,579

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 3/19

6:00 am-1:55 am

2 stops31h 25m

Kolkata Netaji S. Chandra

Fri 4/17

4:00 am-6:37 pm

2 stops51h 07m

$1,579

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 3/25

10:33 am-1:55 am

2 stops26h 52m

Kolkata Netaji S. Chandra

Fri 4/17

4:00 am-6:37 pm

2 stops51h 07m

$1,579

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 3/25

6:00 am-1:55 am

2 stops31h 25m

Kolkata Netaji S. Chandra

Mon 4/13

4:00 am-6:37 pm

2 stops51h 07m

$1,579

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 3/25

10:33 am-1:55 am

2 stops26h 52m

Kolkata Netaji S. Chandra

Thu 4/16

4:00 am-10:35 pm

2 stops55h 05m

$1,579

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 3/19

6:00 am-1:55 am

2 stops31h 25m

Kolkata Netaji S. Chandra

Tue 4/14

4:00 am-1:18 pm

2 stops45h 48m

$1,579

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 24 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 round-trip 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 $767). Flying from Ontario to Kolkata in December is currently the most expensive (average of $1,260). 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 $1,517, Qatar Airways can have you in Kolkata from Ontario in 26h 52m. The distance between Ontario and Kolkata is about 8155 mi.

  • 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 vacation 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 $767). Flying from Ontario to Kolkata in December is currently the most expensive (average of $1,260). 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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