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Cheap flights from Ontario to Kolkata from $574

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 9/13. 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

Air India Logo
10:56 pm - 8:30 pmONT-CCU
33h 04m2 stops
Air India Logo
7:55 pm - 9:29 pmCCU-ONT
38h 04m2 stops
$968Air India
Find Deal
Sat, Sep 6 - Mon, Oct 20
Logo
12:45 am - 1:35 amONT-CCU
36h 20m2 stops
Logo
2:35 am - 6:00 pmCCU-ONT
27h 55m2 stops
$985
Find Deal
Fri, Sep 5 - Fri, Sep 19
Air India Logo
10:56 pm - 6:05 pmONT-CCU
30h 39m2 stops
Air India Logo
7:55 pm - 9:29 pmCCU-ONT
38h 04m2 stops
$999Air India
Find Deal
Fri, Sep 5 - Mon, Sep 15
Air India Logo
10:56 pm - 9:35 pmONT-CCU
34h 09m2 stops
Air India Logo
7:55 pm - 9:29 pmCCU-ONT
38h 04m2 stops
$1,000Air India
Find Deal
Sat, Sep 6 - Sun, Sep 21
Logo
12:45 am - 11:59 pmONT-CCU
58h 44m2 stops
Logo
12:30 am - 6:00 pmCCU-ONT
54h 00m2 stops
$1,053
Find Deal
Thu, Sep 4 - Sun, Sep 14
Logo
11:10 pm - 11:59 pmONT-CCU
36h 19m2 stops
Logo
12:30 am - 4:30 pmCCU-ONT
29h 30m2 stops
$1,056
Find Deal
Mon, Sep 22 - Sun, Nov 16
Etihad Airways Logo
10:56 pm - 8:35 pmONT-CCU
33h 09m2 stops
Etihad Airways Logo
4:00 am - 9:29 pmCCU-ONT
53h 59m2 stops
$1,063Etihad Airways
Find Deal
Sat, Sep 6 - Thu, Sep 25
Etihad Airways Logo
10:56 pm - 8:35 pmONT-CCU
33h 09m2 stops
Etihad Airways Logo
9:30 pm - 9:29 pmCCU-ONT
36h 29m2 stops
$1,109Etihad Airways
Find Deal
Sat, Sep 6 - Sun, Oct 5
Qatar Airways Logo
6:00 am - 1:55 amONT-CCU
30h 25m2 stops
Qatar Airways Logo
3:25 am - 11:59 pmCCU-ONT
34h 04m2 stops
$2,128Qatar Airways
Find Deal
Tue, Nov 18 - Thu, Nov 27
Qatar Airways Logo
10:57 am - 1:55 amONT-CCU
25h 28m2 stops
Qatar Airways Logo
3:25 am - 10:37 pmCCU-ONT
32h 42m2 stops
$2,142Qatar Airways
Find Deal
Tue, Jan 13 - Thu, Jan 22

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Nov 18
ONT6:00 amOntario
30h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Nov 27
CCU3:25 amKolkata Netaji S. Chandra
34h 04m
2 stops
ONT11:59 pmOntario
$2,128
Find similar
Qatar Airways
Jan 13
ONT10:57 amOntario
25h 28m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 22
CCU3:25 amKolkata Netaji S. Chandra
32h 42m
2 stops
ONT10:37 pmOntario
$2,142
Find similar
Qatar Airways
Sep 22
ONT6:00 amOntario
31h 50m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Nov 16
CCU3:25 amKolkata Netaji S. Chandra
33h 37m
2 stops
ONT11:32 pmOntario
$2,147
Find similar

Etihad Airways flights from Ontario to Kolkata

Our best Etihad Airways deals on Ontario to Kolkata flight tickets
Etihad Airways
Sep 6
ONT10:56 pmOntario
33h 09m
2 stops
CCU8:35 pmKolkata Netaji S. Chandra
Sep 25
CCU4:00 amKolkata Netaji S. Chandra
53h 59m
2 stops
ONT9:29 pmOntario
$1,063
Find similar
Etihad Airways
Sep 6
ONT10:56 pmOntario
33h 09m
2 stops
CCU8:35 pmKolkata Netaji S. Chandra
Oct 5
CCU9:30 pmKolkata Netaji S. Chandra
36h 29m
2 stops
ONT9:29 pmOntario
$1,109
Find similar
Etihad Airways
Sep 15
ONT10:56 pmOntario
33h 09m
2 stops
CCU8:35 pmKolkata Netaji S. Chandra
Sep 22
CCU9:30 pmKolkata Netaji S. Chandra
36h 29m
2 stops
ONT9:29 pmOntario
$1,155
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 August 18, 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

Sat 9/6

10:56 pm-8:30 pm

2 stops33h 04m

Kolkata Netaji S. Chandra

Mon 10/20

7:55 pm-9:29 pm

2 stops38h 04m

$968

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 9/5

12:45 am-1:35 am

2 stops36h 20m

Kolkata Netaji S. Chandra

Fri 9/19

2:35 am-6:00 pm

2 stops27h 55m

$985

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 9/5

10:56 pm-6:05 pm

2 stops30h 39m

Kolkata Netaji S. Chandra

Mon 9/15

7:55 pm-9:29 pm

2 stops38h 04m

$999

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 9/6

10:56 pm-9:35 pm

2 stops34h 09m

Kolkata Netaji S. Chandra

Sun 9/21

7:55 pm-9:29 pm

2 stops38h 04m

$1,000

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 9/4

12:45 am-11:59 pm

2 stops58h 44m

Kolkata Netaji S. Chandra

Sun 9/14

12:30 am-6:00 pm

2 stops54h 00m

$1,053

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 9/22

11:10 pm-11:59 pm

2 stops36h 19m

Kolkata Netaji S. Chandra

Sun 11/16

12:30 am-4:30 pm

2 stops29h 30m

$1,056

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 9/6

10:56 pm-8:35 pm

2 stops33h 09m

Kolkata Netaji S. Chandra

Thu 9/25

4:00 am-9:29 pm

2 stops53h 59m

$1,063

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 9/6

10:56 pm-8:35 pm

2 stops33h 09m

Kolkata Netaji S. Chandra

Sun 10/5

9:30 pm-9:29 pm

2 stops36h 29m

$1,109

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 11/18

6:00 am-1:55 am

2 stops30h 25m

Kolkata Netaji S. Chandra

Thu 11/27

3:25 am-11:59 pm

2 stops34h 04m

$2,128

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 1/13

10:57 am-1:55 am

2 stops25h 28m

Kolkata Netaji S. Chandra

Thu 1/22

3:25 am-10:37 pm

2 stops32h 42m

$2,142

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 Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Wednesday is $1,446.

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

In the morning is the cheapest time of day to fly from Ontario to Kolkata when you can find flight prices for as low as $1,048. Flying to Kolkata in the morning is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly at noon, with an average ticket price of $1,454. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Best Price Found

$574

Fastest flight time

24h 26m

Direct flights

None

Airports in Kolkata

1 airport
The best one-way flight to Kolkata from Ontario in the past 72 hours is $574. The best round-trip flight deal from Ontario to Kolkata found on momondo in the last 72 hours is $968.
The fastest flight from Ontario to Kolkata takes 24h 26m
There are no direct flights from Ontario to Kolkata. Popular non-direct route for this connection is Ontario Airport - Kolkata Netaji S. Chandra Airport.
There is 1 airport near Kolkata: Kolkata Netaji S. Chandra (CCU)
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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 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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