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Cheap flights from Ontario to Kolkata from $541

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 1/27. 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
10:50 pm - 11:55 pm
ONT
-
CCU
35h 35m2 stops
Multiple Airlines Logo
12:30 am - 4:50 pm
CCU
-
ONT
29h 50m2 stops
$982Multiple Airlines
Mon, Jan 26 - Sun, Feb 8
Multiple Airlines Logo
10:50 pm - 11:55 pm
ONT
-
CCU
35h 35m2 stops
Multiple Airlines Logo
12:30 am - 4:50 pm
CCU
-
ONT
29h 50m2 stops
$1,010Multiple Airlines
Mon, Jan 26 - Sun, Feb 8
Multiple Airlines Logo
4:03 pm - 1:55 am
ONT
-
CCU
44h 22m2 stops
Multiple Airlines Logo
3:25 am - 11:32 pm
CCU
-
ONT
33h 37m2 stops
$1,298Multiple Airlines
Thu, Jan 29 - Thu, Feb 19
Etihad Airways Logo
11:25 pm - 8:20 pm
ONT
-
CCU
32h 25m2 stops
Etihad Airways Logo
3:45 am - 10:09 pm
CCU
-
ONT
54h 54m2 stops
$1,443Etihad Airways
Wed, Apr 29 - Sat, May 2
Etihad Airways Logo
11:25 pm - 8:20 pm
ONT
-
CCU
32h 25m2 stops
Etihad Airways Logo
3:45 am - 10:09 pm
CCU
-
ONT
54h 54m2 stops
$1,562Etihad Airways
Wed, Apr 29 - Sat, May 2
Multiple Airlines Logo
10:50 pm - 12:40 am
ONT
-
CCU
36h 20m2 stops
Multiple Airlines Logo
1:55 am - 4:50 pm
CCU
-
ONT
52h 25m2 stops
$1,568Multiple Airlines
Fri, Feb 6 - Thu, Feb 19
Qatar Airways Logo
10:39 am - 2:20 am
ONT
-
CCU
27h 11m2 stops
Qatar Airways Logo
3:50 am - 11:59 pm
CCU
-
ONT
32h 39m2 stops
$1,613Qatar Airways
Wed, Apr 29 - Sat, May 2
Multiple Airlines Logo
12:10 am - 12:45 am
ONT
-
CCU
36h 05m2 stops
Multiple Airlines Logo
2:00 am - 6:00 pm
CCU
-
ONT
28h 30m2 stops
$1,665Multiple Airlines
Fri, Jun 12 - Sun, Sep 20
Multiple Airlines Logo
11:53 am - 1:55 am
ONT
-
CCU
24h 32m2 stops
Multiple Airlines Logo
3:25 am - 6:39 pm
CCU
-
ONT
28h 44m2 stops
$1,673Multiple Airlines
Wed, Jan 28 - Wed, Feb 18
Multiple Airlines Logo
10:58 am - 1:55 am
ONT
-
CCU
25h 27m2 stops
Multiple Airlines Logo
3:25 am - 11:32 pm
CCU
-
ONT
33h 37m2 stops
$1,713Multiple Airlines
Thu, Jan 29 - Sat, Feb 21

Etihad Airways flights from Ontario to Kolkata

Our best Etihad Airways deals on Ontario to Kolkata flight tickets
Etihad Airways
Apr 29
ONT11:25 pmOntario
32h 25m
2 stops
CCU8:20 pmKolkata Netaji S. Chandra
May 2
CCU3:45 amKolkata Netaji S. Chandra
54h 54m
2 stops
ONT10:09 pmOntario
$1,443
Find similar
Etihad Airways
Apr 29
ONT11:25 pmOntario
32h 25m
2 stops
CCU8:20 pmKolkata Netaji S. Chandra
May 2
CCU3:45 amKolkata Netaji S. Chandra
54h 54m
2 stops
ONT10:09 pmOntario
$1,562
Find similar

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Apr 29
ONT10:39 amOntario
27h 11m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
May 2
CCU3:50 amKolkata Netaji S. Chandra
32h 39m
2 stops
ONT11:59 pmOntario
$1,613
Find similar
Qatar Airways
Feb 1
ONT7:16 amOntario
29h 09m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 22
CCU3:25 amKolkata Netaji S. Chandra
32h 54m
2 stops
ONT10:49 pmOntario
$1,893
Find similar
Qatar Airways
Jan 28
ONT10:58 amOntario
25h 27m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 21
CCU3:25 amKolkata Netaji S. Chandra
50h 29m
2 stops
ONT4:24 pmOntario
$1,934
Find similar

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 December 31, 2025.
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

Mon 1/26

10:50 pm-11:55 pm

2 stops35h 35m

Kolkata Netaji S. Chandra

Sun 2/8

12:30 am-4:50 pm

2 stops29h 50m

$982

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 1/26

10:50 pm-11:55 pm

2 stops35h 35m

Kolkata Netaji S. Chandra

Sun 2/8

12:30 am-4:50 pm

2 stops29h 50m

$1,010

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 1/29

4:03 pm-1:55 am

2 stops44h 22m

Kolkata Netaji S. Chandra

Thu 2/19

3:25 am-11:32 pm

2 stops33h 37m

$1,298

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 4/29

11:25 pm-8:20 pm

2 stops32h 25m

Kolkata Netaji S. Chandra

Sat 5/2

3:45 am-10:09 pm

2 stops54h 54m

$1,443

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 4/29

11:25 pm-8:20 pm

2 stops32h 25m

Kolkata Netaji S. Chandra

Sat 5/2

3:45 am-10:09 pm

2 stops54h 54m

$1,562

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 2/6

10:50 pm-12:40 am

2 stops36h 20m

Kolkata Netaji S. Chandra

Thu 2/19

1:55 am-4:50 pm

2 stops52h 25m

$1,568

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 4/29

10:39 am-2:20 am

2 stops27h 11m

Kolkata Netaji S. Chandra

Sat 5/2

3:50 am-11:59 pm

2 stops32h 39m

$1,613

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 6/12

12:10 am-12:45 am

2 stops36h 05m

Kolkata Netaji S. Chandra

Sun 9/20

2:00 am-6:00 pm

2 stops28h 30m

$1,665

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 1/28

11:53 am-1:55 am

2 stops24h 32m

Kolkata Netaji S. Chandra

Wed 2/18

3:25 am-6:39 pm

2 stops28h 44m

$1,673

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 1/29

10:58 am-1:55 am

2 stops25h 27m

Kolkata Netaji S. Chandra

Sat 2/21

3:25 am-11:32 pm

2 stops33h 37m

$1,713

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

32h 25m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 32h 25m
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 32h 25m, 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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