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Cheap flights from Ontario to Kolkata from $669

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 8/31. 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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Find the cheapest flights from Ontario to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:58 am - 2:30 am
ONT
-
CCU
26h 02m
2 stops
Multiple Airlines Logo
4:00 am - 7:03 pm
CCU
-
ONT
27h 33m
2 stops
$1,299Multiple Airlines
Wed, Sep 2 - Wed, Sep 16
Qatar Airways Logo
6:00 am - 2:30 am
ONT
-
CCU
32h 00m
2 stops
Qatar Airways Logo
4:00 am - 11:24 pm
CCU
-
ONT
31h 54m
2 stops
$1,313Qatar Airways
Mon, Aug 31 - Thu, Sep 17
Multiple Airlines Logo
2:05 pm - 2:30 am
ONT
-
CCU
47h 55m
2 stops
Multiple Airlines Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,314Multiple Airlines
Mon, Jun 22 - Mon, Jul 6
Multiple Airlines Logo
12:45 am - 5:35 am
ONT
-
CCU
40h 20m
2 stops
Multiple Airlines Logo
9:25 pm - 6:40 pm
CCU
-
ONT
33h 45m
2 stops
$1,316Multiple Airlines
Sun, Aug 2 - Sun, Aug 16
Multiple Airlines Logo
12:04 pm - 2:30 am
ONT
-
CCU
25h 56m
2 stops
Multiple Airlines Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,321Multiple Airlines
Tue, Jul 7 - Tue, Jul 28
Qatar Airways Logo
6:00 am - 2:30 am
ONT
-
CCU
32h 00m
2 stops
Qatar Airways Logo
3:25 am - 10:54 pm
CCU
-
ONT
32h 59m
2 stops
$1,326Qatar Airways
Mon, Oct 19 - Tue, Nov 17
Multiple Airlines Logo
9:20 pm - 2:30 am
ONT
-
CCU
40h 40m
2 stops
Multiple Airlines Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,329Multiple Airlines
Mon, Jul 6 - Tue, Jul 28
Multiple Airlines Logo
6:02 am - 2:30 am
ONT
-
CCU
31h 58m
2 stops
Multiple Airlines Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,331Multiple Airlines
Tue, Jul 7 - Tue, Aug 11
Qatar Airways Logo
6:54 pm - 2:30 am
ONT
-
CCU
43h 06m
2 stops
Qatar Airways Logo
3:25 am - 6:28 pm
CCU
-
ONT
28h 33m
2 stops
$1,334Qatar Airways
Sun, Oct 11 - Sun, Nov 15
Multiple Airlines Logo
12:45 am - 1:35 am
ONT
-
CCU
36h 20m
2 stops
Multiple Airlines Logo
2:35 am - 6:40 pm
CCU
-
ONT
28h 35m
2 stops
$1,348Multiple Airlines
Mon, Aug 3 - Mon, Aug 17

Etihad Airways flights from Ontario to Kolkata

Our best Etihad Airways deals on Ontario to Kolkata flight tickets
Etihad Airways
Jul 14
ONT11:50 pmOntario
38h 35m
2 stops
CCU2:55 amKolkata Netaji S. Chandra
Aug 10
CCU9:30 pmKolkata Netaji S. Chandra
37h 35m
2 stops
ONT10:35 pmOntario
$1,679
Etihad Airways
Aug 6
ONT11:50 pmOntario
38h 35m
2 stops
CCU2:55 amKolkata Netaji S. Chandra
Aug 17
CCU3:50 amKolkata Netaji S. Chandra
31h 15m
2 stops
ONT10:35 pmOntario
$1,693
Etihad Airways
Aug 4
ONT11:50 pmOntario
56h 10m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Aug 21
CCU9:30 pmKolkata Netaji S. Chandra
37h 05m
2 stops
ONT10:05 pmOntario
$1,729

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Aug 31
ONT6:00 amOntario
32h 00m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 17
CCU4:00 amKolkata Netaji S. Chandra
31h 54m
2 stops
ONT11:24 pmOntario
$1,313
Qatar Airways
Oct 19
ONT6:00 amOntario
32h 00m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Nov 17
CCU3:25 amKolkata Netaji S. Chandra
32h 59m
2 stops
ONT10:54 pmOntario
$1,326
Qatar Airways
Oct 11
ONT6:54 pmOntario
43h 06m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Nov 15
CCU3:25 amKolkata Netaji S. Chandra
28h 33m
2 stops
ONT6:28 pmOntario
$1,334

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 May 20, 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 round-trip
Quickest round-trip

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 9/2

11:58 am-2:30 am

2 stops26h 02m

Kolkata Netaji S. Chandra

Wed 9/16

4:00 am-7:03 pm

2 stops27h 33m

$1,299

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 8/31

6:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Thu 9/17

4:00 am-11:24 pm

2 stops31h 54m

$1,313

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 6/22

2:05 pm-2:30 am

2 stops47h 55m

Kolkata Netaji S. Chandra

Mon 7/6

4:00 am-11:11 pm

2 stops31h 41m

$1,314

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 8/2

12:45 am-5:35 am

2 stops40h 20m

Kolkata Netaji S. Chandra

Sun 8/16

9:25 pm-6:40 pm

2 stops33h 45m

$1,316

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 7/7

12:04 pm-2:30 am

2 stops25h 56m

Kolkata Netaji S. Chandra

Tue 7/28

4:00 am-11:11 pm

2 stops31h 41m

$1,321

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 10/19

6:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Tue 11/17

3:25 am-10:54 pm

2 stops32h 59m

$1,326

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 7/6

9:20 pm-2:30 am

2 stops40h 40m

Kolkata Netaji S. Chandra

Tue 7/28

4:00 am-11:11 pm

2 stops31h 41m

$1,329

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 7/7

6:02 am-2:30 am

2 stops31h 58m

Kolkata Netaji S. Chandra

Tue 8/11

4:00 am-11:11 pm

2 stops31h 41m

$1,331

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 10/11

6:54 pm-2:30 am

2 stops43h 06m

Kolkata Netaji S. Chandra

Sun 11/15

3:25 am-6:28 pm

2 stops28h 33m

$1,334

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 8/3

12:45 am-1:35 am

2 stops36h 20m

Kolkata Netaji S. Chandra

Mon 8/17

2:35 am-6:40 pm

2 stops28h 35m

$1,348

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

25h 38m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 25h 38m
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 8161.4 mi. Flights usually cover this in 25h 38m, 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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