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Cheap flights from Ontario to Kolkata from $685

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 3/31. 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
10:50 pm - 11:50 pmONT-CCU
35h 30m2 stops
Multiple Airlines Logo
12:50 am - 5:50 pmCCU-ONT
29h 30m2 stops
$892Multiple Airlines
Find Deal
vie., mar. 6 - vie., mar. 13
Multiple Airlines Logo
10:50 pm - 11:50 pmONT-CCU
35h 30m2 stops
Multiple Airlines Logo
12:50 am - 5:50 pmCCU-ONT
29h 30m2 stops
$915Multiple Airlines
Find Deal
vie., ene. 9 - dom., mar. 15
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
$1,081Multiple Airlines
Find Deal
jue., nov. 6 - lun., dic. 15
Multiple Airlines Logo
10:50 pm - 12:40 amONT-CCU
36h 20m2 stops
Multiple Airlines Logo
1:55 am - 4:50 pmCCU-ONT
52h 25m2 stops
$1,097Multiple Airlines
Find Deal
vie., ene. 9 - sáb., mar. 7
Multiple Airlines Logo
10:50 pm - 12:40 amONT-CCU
36h 20m2 stops
Multiple Airlines Logo
1:55 am - 4:50 pmCCU-ONT
52h 25m2 stops
$1,204Multiple Airlines
Find Deal
mar., nov. 18 - mar., dic. 2
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
$1,425Multiple Airlines
Find Deal
sáb., ene. 10 - lun., ene. 19
Multiple Airlines Logo
10:50 pm - 11:55 pmONT-CCU
35h 35m2 stops
Multiple Airlines Logo
12:30 am - 4:50 pmCCU-ONT
53h 50m2 stops
$1,442Multiple Airlines
Find Deal
sáb., nov. 15 - sáb., nov. 29
Qatar Airways Logo
11:05 am - 1:55 amONT-CCU
25h 20m2 stops
Qatar Airways Logo
3:25 am - 10:02 pmCCU-ONT
31h 07m2 stops
$2,058Qatar Airways
Find Deal
vie., mar. 6 - vie., mar. 13
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
$2,162Qatar Airways
Find Deal
vie., ene. 9 - sáb., mar. 14
Multiple Airlines Logo
6:11 pm - 10:25 pmONT-CCU
38h 44m2 stops
Multiple Airlines Logo
11:40 pm - 3:17 pmCCU-ONT
29h 07m2 stops
$2,193Multiple Airlines
Find Deal
jue., nov. 6 - sáb., nov. 15

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Mar 6
ONT11:05 amOntario
25h 20m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Mar 13
CCU3:25 amKolkata Netaji S. Chandra
31h 07m
2 stops
ONT10:02 pmOntario
$2,058
Find similar
Qatar Airways
Oct 24
ONT2:51 pmOntario
46h 34m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Nov 19
CCU3:25 amKolkata Netaji S. Chandra
28h 27m
2 stops
ONT6:22 pmOntario
$2,132
Find similar
Qatar Airways
Jan 9
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
$2,162
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 octubre 23, 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

vie. 3/6

10:50 pm-11:50 pm

2 stops35h 30m

Kolkata Netaji S. Chandra

vie. 3/13

12:50 am-5:50 pm

2 stops29h 30m

$892

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

vie. 1/9

10:50 pm-11:50 pm

2 stops35h 30m

Kolkata Netaji S. Chandra

dom. 3/15

12:50 am-5:50 pm

2 stops29h 30m

$915

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

jue. 11/6

10:50 pm-11:55 pm

2 stops35h 35m

Kolkata Netaji S. Chandra

lun. 12/15

12:30 am-4:50 pm

2 stops29h 50m

$1,081

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

vie. 1/9

10:50 pm-12:40 am

2 stops36h 20m

Kolkata Netaji S. Chandra

sáb. 3/7

1:55 am-4:50 pm

2 stops52h 25m

$1,097

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

mar. 11/18

10:50 pm-12:40 am

2 stops36h 20m

Kolkata Netaji S. Chandra

mar. 12/2

1:55 am-4:50 pm

2 stops52h 25m

$1,204

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

sáb. 1/10

10:50 pm-12:40 am

2 stops36h 20m

Kolkata Netaji S. Chandra

lun. 1/19

1:55 am-4:50 pm

2 stops28h 25m

$1,425

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

sáb. 11/15

10:50 pm-11:55 pm

2 stops35h 35m

Kolkata Netaji S. Chandra

sáb. 11/29

12:30 am-4:50 pm

2 stops53h 50m

$1,442

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

vie. 3/6

11:05 am-1:55 am

2 stops25h 20m

Kolkata Netaji S. Chandra

vie. 3/13

3:25 am-10:02 pm

2 stops31h 07m

$2,058

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

vie. 1/9

10:58 am-1:55 am

2 stops25h 27m

Kolkata Netaji S. Chandra

sáb. 3/14

3:25 am-10:02 pm

2 stops31h 07m

$2,162

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

jue. 11/6

6:11 pm-10:25 pm

2 stops38h 44m

Kolkata Netaji S. Chandra

sáb. 11/15

11:40 pm-3:17 pm

2 stops29h 07m

$2,193

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.
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 24h 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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sáb. 11/22
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