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Cheap flights from Ontario to Kolkata from $602

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 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 - 11:50 pmONT-CCU
35h 30m2 stops
Multiple Airlines Logo
12:50 am - 4:50 pmCCU-ONT
29h 30m2 stops
$972Multiple Airlines
Find Deal
Mon, Jan 5 - Wed, Jan 21
Multiple Airlines Logo
10:50 pm - 11:55 pmONT-CCU
35h 35m2 stops
Multiple Airlines Logo
12:30 am - 4:50 pmCCU-ONT
29h 50m2 stops
$1,158Multiple Airlines
Find Deal
Fri, Nov 28 - Fri, Jan 16
Qatar Airways Logo
10:58 am - 1:55 amONT-CCU
25h 27m2 stops
Qatar Airways Logo
3:25 am - 6:40 pmCCU-ONT
28h 45m2 stops
$1,980Qatar Airways
Find Deal
Sun, Feb 8 - Thu, Feb 26
Qatar Airways Logo
10:58 am - 1:55 amONT-CCU
25h 27m2 stops
Qatar Airways Logo
3:25 am - 10:02 pmCCU-ONT
31h 07m2 stops
$1,991Qatar Airways
Find Deal
Sun, Jan 25 - Sat, Mar 14
Qatar Airways Logo
10:59 am - 1:55 amONT-CCU
25h 26m2 stops
Qatar Airways Logo
3:25 am - 10:02 pmCCU-ONT
31h 07m2 stops
$2,052Qatar Airways
Find Deal
Wed, Feb 25 - Sun, Mar 8
Qatar Airways Logo
12:55 pm - 2:20 amONT-CCU
48h 55m2 stops
Qatar Airways Logo
3:50 am - 9:56 pmCCU-ONT
30h 36m2 stops
$2,055Qatar Airways
Find Deal
Thu, Apr 30 - Sun, May 3
Qatar Airways Logo
7:10 am - 1:55 amONT-CCU
29h 15m2 stops
Qatar Airways Logo
3:25 am - 11:43 pmCCU-ONT
32h 48m2 stops
$2,096Qatar Airways
Find Deal
Thu, Feb 26 - Fri, Mar 20
Multiple Airlines Logo
6:00 am - 6:55 amONT-CCU
35h 25m3 stops
Multiple Airlines Logo
9:45 pm - 4:50 pmCCU-ONT
32h 35m2 stops
$2,184Multiple Airlines
Find Deal
Fri, Nov 28 - Sat, Jan 17
Multiple Airlines Logo
10:50 pm - 12:40 amONT-CCU
36h 20m2 stops
Multiple Airlines Logo
1:55 am - 4:50 pmCCU-ONT
28h 25m2 stops
$2,198Multiple Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 29
Etihad Airways Logo
11:25 pm - 2:50 amONT-CCU
38h 55m2 stops
Etihad Airways Logo
9:15 pm - 10:09 pmCCU-ONT
37h 24m2 stops
$3,248Etihad Airways
Find Deal
Thu, Apr 30 - Mon, May 4

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Feb 8
ONT10:58 amOntario
25h 27m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 26
CCU3:25 amKolkata Netaji S. Chandra
28h 45m
2 stops
ONT6:40 pmOntario
$1,980
Find similar
Qatar Airways
Jan 25
ONT10:58 amOntario
25h 27m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Mar 14
CCU3:25 amKolkata Netaji S. Chandra
31h 07m
2 stops
ONT10:02 pmOntario
$1,991
Find similar
Qatar Airways
Feb 25
ONT10:59 amOntario
25h 26m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Mar 8
CCU3:25 amKolkata Netaji S. Chandra
31h 07m
2 stops
ONT10:02 pmOntario
$2,052
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 November 10, 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 1/5

10:50 pm-11:50 pm

2 stops35h 30m

Kolkata Netaji S. Chandra

Wed 1/21

12:50 am-4:50 pm

2 stops29h 30m

$972

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 11/28

10:50 pm-11:55 pm

2 stops35h 35m

Kolkata Netaji S. Chandra

Fri 1/16

12:30 am-4:50 pm

2 stops29h 50m

$1,158

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 2/8

10:58 am-1:55 am

2 stops25h 27m

Kolkata Netaji S. Chandra

Thu 2/26

3:25 am-6:40 pm

2 stops28h 45m

$1,980

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 1/25

10:58 am-1:55 am

2 stops25h 27m

Kolkata Netaji S. Chandra

Sat 3/14

3:25 am-10:02 pm

2 stops31h 07m

$1,991

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 2/25

10:59 am-1:55 am

2 stops25h 26m

Kolkata Netaji S. Chandra

Sun 3/8

3:25 am-10:02 pm

2 stops31h 07m

$2,052

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 4/30

12:55 pm-2:20 am

2 stops48h 55m

Kolkata Netaji S. Chandra

Sun 5/3

3:50 am-9:56 pm

2 stops30h 36m

$2,055

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 2/26

7:10 am-1:55 am

2 stops29h 15m

Kolkata Netaji S. Chandra

Fri 3/20

3:25 am-11:43 pm

2 stops32h 48m

$2,096

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 11/28

6:00 am-6:55 am

3 stops35h 25m

Kolkata Netaji S. Chandra

Sat 1/17

9:45 pm-4:50 pm

2 stops32h 35m

$2,184

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 12/13

10:50 pm-12:40 am

2 stops36h 20m

Kolkata Netaji S. Chandra

Mon 12/29

1:55 am-4:50 pm

2 stops28h 25m

$2,198

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 4/30

11:25 pm-2:50 am

2 stops38h 55m

Kolkata Netaji S. Chandra

Mon 5/4

9:15 pm-10:09 pm

2 stops37h 24m

$3,248

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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Monday is $1,398.

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

Direct flights

None
There are no direct flights from Ontario to Kolkata. There are no popular flight routes from Ontario to Kolkata.
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  • 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 26m, 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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