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Cheap flights from Ontario to Kolkata from ₹ 67,937

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Kolkata departing on 31/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Kolkata

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
00:45 - 23:50
ONT
-
CCU
34h 35m
3 stops
Multiple Airlines Logo
21:00 - 18:40
CCU
-
ONT
34h 10m
3 stops
₹ 123,028Multiple Airlines
Sat, 1 Aug - Sun, 9 Aug
Multiple Airlines Logo
00:10 - 01:35
ONT
-
CCU
36h 55m
2 stops
Multiple Airlines Logo
02:35 - 17:50
CCU
-
ONT
51h 45m
2 stops
₹ 126,453Multiple Airlines
Fri, 9 Oct - Fri, 30 Oct
Multiple Airlines Logo
19:32 - 01:55
ONT
-
CCU
40h 53m
2 stops
Multiple Airlines Logo
03:25 - 22:39
CCU
-
ONT
32h 44m
2 stops
₹ 139,869Multiple Airlines
Thu, 26 Nov - Thu, 10 Dec
Qatar Airways Logo
06:02 - 02:30
ONT
-
CCU
31h 58m
2 stops
Qatar Airways Logo
03:25 - 23:45
CCU
-
ONT
32h 50m
2 stops
₹ 140,440Qatar Airways
Tue, 6 Oct - Mon, 26 Oct
Qatar Airways Logo
18:56 - 02:30
ONT
-
CCU
43h 04m
2 stops
Qatar Airways Logo
03:25 - 18:03
CCU
-
ONT
27h 08m
2 stops
₹ 141,201Qatar Airways
Wed, 7 Oct - Mon, 26 Oct
Multiple Airlines Logo
18:56 - 02:30
ONT
-
CCU
43h 04m
2 stops
Multiple Airlines Logo
03:25 - 18:28
CCU
-
ONT
28h 33m
2 stops
₹ 143,675Multiple Airlines
Fri, 16 Oct - Sun, 1 Nov
Multiple Airlines Logo
00:45 - 23:50
ONT
-
CCU
34h 35m
3 stops
Multiple Airlines Logo
00:30 - 18:00
CCU
-
ONT
30h 00m
3 stops
₹ 143,961Multiple Airlines
Wed, 2 Sep - Tue, 22 Sep
Qatar Airways Logo
14:13 - 02:30
ONT
-
CCU
47h 47m
2 stops
Qatar Airways Logo
03:25 - 18:03
CCU
-
ONT
27h 08m
2 stops
₹ 145,007Qatar Airways
Thu, 15 Oct - Fri, 30 Oct
Qatar Airways Logo
18:56 - 02:30
ONT
-
CCU
43h 04m
2 stops
Qatar Airways Logo
03:25 - 12:18
CCU
-
ONT
45h 23m
2 stops
₹ 145,769Qatar Airways
Thu, 15 Oct - Sat, 31 Oct
Multiple Airlines Logo
00:10 - 22:20
ONT
-
CCU
33h 40m
3 stops
Multiple Airlines Logo
00:50 - 16:50
CCU
-
ONT
29h 30m
2 stops
₹ 147,291Multiple Airlines
Sat, 3 Oct - Mon, 2 Nov

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Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
6 Oct
ONT06:02Ontario
31h 58m
2 stops
CCU02:30Kolkata Netaji S. Chandra
26 Oct
CCU03:25Kolkata Netaji S. Chandra
32h 50m
2 stops
ONT23:45Ontario
₹ 140,440
Qatar Airways
7 Oct
ONT18:56Ontario
43h 04m
2 stops
CCU02:30Kolkata Netaji S. Chandra
26 Oct
CCU03:25Kolkata Netaji S. Chandra
27h 08m
2 stops
ONT18:03Ontario
₹ 141,201
Qatar Airways
15 Oct
ONT14:13Ontario
47h 47m
2 stops
CCU02:30Kolkata Netaji S. Chandra
30 Oct
CCU03:25Kolkata Netaji S. Chandra
27h 08m
2 stops
ONT18:03Ontario
₹ 145,007

momondo 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, momondo users made 59,053 searches. Data last updated 8 July 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 1/8

00:45-23:50

3 stops34h 35m

Kolkata Netaji S. Chandra

Sun 9/8

21:00-18:40

3 stops34h 10m

₹ 123,028

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 9/10

00:10-01:35

2 stops36h 55m

Kolkata Netaji S. Chandra

Fri 30/10

02:35-17:50

2 stops51h 45m

₹ 126,453

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 26/11

19:32-01:55

2 stops40h 53m

Kolkata Netaji S. Chandra

Thu 10/12

03:25-22:39

2 stops32h 44m

₹ 139,869

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 6/10

06:02-02:30

2 stops31h 58m

Kolkata Netaji S. Chandra

Mon 26/10

03:25-23:45

2 stops32h 50m

₹ 140,440

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 7/10

18:56-02:30

2 stops43h 04m

Kolkata Netaji S. Chandra

Mon 26/10

03:25-18:03

2 stops27h 08m

₹ 141,201

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 16/10

18:56-02:30

2 stops43h 04m

Kolkata Netaji S. Chandra

Sun 1/11

03:25-18:28

2 stops28h 33m

₹ 143,675

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 2/9

00:45-23:50

3 stops34h 35m

Kolkata Netaji S. Chandra

Tue 22/9

00:30-18:00

3 stops30h 00m

₹ 143,961

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 15/10

14:13-02:30

2 stops47h 47m

Kolkata Netaji S. Chandra

Fri 30/10

03:25-18:03

2 stops27h 08m

₹ 145,007

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 15/10

18:56-02:30

2 stops43h 04m

Kolkata Netaji S. Chandra

Sat 31/10

03:25-12:18

2 stops45h 23m

₹ 145,769
Fastest return journey

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 3/10

00:10-22:20

3 stops33h 40m

Kolkata Netaji S. Chandra

Mon 2/11

00:50-16:50

2 stops29h 30m

₹ 147,291

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Ontario to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ontario to Kolkata (ONT to CCU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Kolkata

Fastest flight time

30h 25m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 30h 25m
There are no direct flights from Ontario to Kolkata. There are no popular flight routes from Ontario to Kolkata.
Search flight deals

Frequently asked questions about flying from Ontario to Kolkata

  • How far is Ontario to Kolkata Netaji S. Chandra by plane?

    The distance between Ontario and Kolkata Netaji S. Chandra is about 13134.4 km. In terms of flight time, this usually takes a little over 30h 25m.

  • When did momondo last update prices for flights from Ontario Airport to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Ontario Airport to Kolkata Netaji S. Chandra Airport refresh daily.

  • How old do you have to be to fly from Ontario Airport to Kolkata Netaji S. Chandra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The travel and health documents you'll need for your trip to Kolkata Netaji S. Chandra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Ontario to Kolkata

  • How do I get Price Alerts for flights from Ontario to Kolkata?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Ontario from Kolkata. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Ontario to Kolkata with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Kolkata?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kolkata from Ontario.

Can I find flights from Ontario to Kolkata with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Kolkata flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Kolkata?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Kolkata.

I’m not ready to book a flight from Ontario to Kolkata right now. Can momondo alert me if prices change?

Price alerts on flights to Kolkata from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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