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Cheap flights from Ontario to Kolkata from $611

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 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
10:33 am - 2:30 am
ONT
-
CCU
27h 27m
2 stops
Qatar Airways Logo
4:00 am - 10:32 pm
CCU
-
ONT
31h 02m
2 stops
$1,155Qatar Airways
Tue, Apr 7 - Wed, Apr 29
Multiple Airlines Logo
6:00 am - 2:30 am
ONT
-
CCU
32h 00m
2 stops
Multiple Airlines Logo
4:00 am - 10:32 pm
CCU
-
ONT
31h 02m
2 stops
$1,157Multiple Airlines
Sun, Apr 5 - Wed, Apr 29
Multiple Airlines Logo
12:10 am - 11:59 pm
ONT
-
CCU
35h 19m
3 stops
Multiple Airlines Logo
12:30 am - 6:00 pm
CCU
-
ONT
30h 00m
3 stops
$1,192Multiple Airlines
Thu, May 7 - Sun, May 17
Qatar Airways Logo
6:00 am - 2:30 am
ONT
-
CCU
32h 00m
2 stops
Qatar Airways Logo
4:00 am - 10:32 pm
CCU
-
ONT
31h 02m
2 stops
$1,208Qatar Airways
Wed, Apr 8 - Tue, Apr 28
Multiple Airlines Logo
7:59 pm - 10:15 pm
ONT
-
CCU
37h 46m
2 stops
Multiple Airlines Logo
11:30 pm - 3:09 pm
CCU
-
ONT
28h 09m
2 stops
$1,233Multiple Airlines
Fri, May 8 - Mon, May 18
Qatar Airways Logo
10:33 am - 2:30 am
ONT
-
CCU
27h 27m
2 stops
Qatar Airways Logo
4:00 am - 11:59 pm
CCU
-
ONT
32h 29m
2 stops
$1,249Qatar Airways
Tue, Apr 7 - Thu, Apr 30
Multiple Airlines Logo
10:33 am - 2:30 am
ONT
-
CCU
27h 27m
2 stops
Multiple Airlines Logo
4:00 am - 11:59 pm
CCU
-
ONT
32h 29m
2 stops
$1,251Multiple Airlines
Sun, Apr 5 - Thu, Apr 30
Multiple Airlines Logo
12:45 am - 12:45 am
ONT
-
CCU
35h 30m
2 stops
Multiple Airlines Logo
2:00 am - 6:40 pm
CCU
-
ONT
29h 10m
2 stops
$1,265Multiple Airlines
Thu, Jul 2 - Thu, Jul 16
Qatar Airways Logo
6:00 am - 2:30 am
ONT
-
CCU
32h 00m
2 stops
Qatar Airways Logo
4:00 am - 11:59 pm
CCU
-
ONT
32h 29m
2 stops
$1,308Qatar Airways
Wed, Apr 8 - Thu, Apr 30
Multiple Airlines Logo
10:39 am - 2:30 am
ONT
-
CCU
27h 21m
2 stops
Multiple Airlines Logo
4:00 am - 11:59 pm
CCU
-
ONT
32h 29m
2 stops
$1,331Multiple Airlines
Sat, May 2 - Sun, May 10

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Apr 7
ONT10:33 amOntario
27h 27m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Apr 29
CCU4:00 amKolkata Netaji S. Chandra
31h 02m
2 stops
ONT10:32 pmOntario
$1,155
Qatar Airways
Apr 8
ONT6:00 amOntario
32h 00m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Apr 29
CCU4:00 amKolkata Netaji S. Chandra
31h 02m
2 stops
ONT10:32 pmOntario
$1,208
Qatar Airways
Apr 7
ONT10:33 amOntario
27h 27m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Apr 30
CCU4:00 amKolkata Netaji S. Chandra
32h 29m
2 stops
ONT11:59 pmOntario
$1,249

momondo 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, momondo users made 832,500 searches. Data last updated March 1, 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

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 4/7

10:33 am-2:30 am

2 stops27h 27m

Kolkata Netaji S. Chandra

Wed 4/29

4:00 am-10:32 pm

2 stops31h 02m

$1,155

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 4/5

6:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Wed 4/29

4:00 am-10:32 pm

2 stops31h 02m

$1,157

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 5/7

12:10 am-11:59 pm

3 stops35h 19m

Kolkata Netaji S. Chandra

Sun 5/17

12:30 am-6:00 pm

3 stops30h 00m

$1,192

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 4/8

6:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Tue 4/28

4:00 am-10:32 pm

2 stops31h 02m

$1,208

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 5/8

7:59 pm-10:15 pm

2 stops37h 46m

Kolkata Netaji S. Chandra

Mon 5/18

11:30 pm-3:09 pm

2 stops28h 09m

$1,233

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 4/7

10:33 am-2:30 am

2 stops27h 27m

Kolkata Netaji S. Chandra

Thu 4/30

4:00 am-11:59 pm

2 stops32h 29m

$1,249

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 4/5

10:33 am-2:30 am

2 stops27h 27m

Kolkata Netaji S. Chandra

Thu 4/30

4:00 am-11:59 pm

2 stops32h 29m

$1,251

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 7/2

12:45 am-12:45 am

2 stops35h 30m

Kolkata Netaji S. Chandra

Thu 7/16

2:00 am-6:40 pm

2 stops29h 10m

$1,265

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 4/8

6:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Thu 4/30

4:00 am-11:59 pm

2 stops32h 29m

$1,308

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 5/2

10:39 am-2:30 am

2 stops27h 21m

Kolkata Netaji S. Chandra

Sun 5/10

4:00 am-11:59 pm

2 stops32h 29m

$1,331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kolkata from

How to get the cheapest flight ticket from Ontario to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Kolkata?

On average, the least expensive day to fly to Kolkata from Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,068. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Saturday is $1,234.

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 round-trip 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

27h 21m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 27h 21m
There are no direct flights from Ontario to Kolkata. There are no popular flight routes from Ontario to Kolkata.
Search flight deals

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

    The distance between Ontario and Kolkata Netaji S. Chandra is about 8161.4 mi. Flights usually cover this in 27h 21m, depending on flying conditions and air traffic around both airports.

  • 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 are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required for your trip to Kolkata Netaji S. Chandra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kolkata Netaji S. Chandra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Kolkata. momondo saves you time and could save you money on your trip.

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

Flights from Ontario to Kolkata with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

If you are simply researching potential flights to Kolkata, momondo offers a useful price alert feature which will track prices for flights to Kolkata from Ontario and alert you when they change.

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