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Cheap flights from Ontario to Kolkata from $840

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 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Ontario to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
6:00 am - 2:30 am
ONT
-
CCU
32h 00m
2 stops
Qatar Airways Logo
3:25 am - 6:32 pm
CCU
-
ONT
28h 37m
2 stops
$1,344Qatar Airways
Thu, Oct 15 - Wed, Nov 25
Multiple Airlines Logo
12:00 pm - 2:30 am
ONT
-
CCU
26h 00m
2 stops
Multiple Airlines Logo
3:25 am - 10:39 pm
CCU
-
ONT
32h 44m
2 stops
$1,349Multiple Airlines
Wed, Oct 14 - Fri, Nov 20
Qatar Airways Logo
12:00 pm - 2:30 am
ONT
-
CCU
26h 00m
2 stops
Qatar Airways Logo
3:25 am - 7:13 pm
CCU
-
ONT
28h 18m
2 stops
$1,384Qatar Airways
Wed, Oct 14 - Sat, Oct 31
Multiple Airlines Logo
6:02 am - 2:30 am
ONT
-
CCU
31h 58m
2 stops
Multiple Airlines Logo
4:00 am - 8:36 pm
CCU
-
ONT
29h 06m
2 stops
$1,408Multiple Airlines
Wed, Jul 1 - Fri, Jul 10
Qatar Airways Logo
6:02 am - 2:30 am
ONT
-
CCU
31h 58m
2 stops
Qatar Airways Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,446Qatar Airways
Tue, Jun 30 - Mon, Aug 3
Qatar Airways Logo
9:20 pm - 2:30 am
ONT
-
CCU
40h 40m
2 stops
Qatar Airways Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,451Qatar Airways
Thu, Jul 9 - Thu, Aug 6
Multiple Airlines Logo
12:04 pm - 2:30 am
ONT
-
CCU
25h 56m
2 stops
Multiple Airlines Logo
4:00 am - 8:36 pm
CCU
-
ONT
29h 06m
2 stops
$1,475Multiple Airlines
Mon, Jun 29 - Mon, Aug 3
Qatar Airways Logo
6:02 am - 2:30 am
ONT
-
CCU
31h 58m
2 stops
Qatar Airways Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,503Qatar Airways
Tue, Jun 30 - Thu, Aug 6
Qatar Airways Logo
9:20 pm - 2:30 am
ONT
-
CCU
40h 40m
2 stops
Qatar Airways Logo
4:00 am - 11:11 pm
CCU
-
ONT
31h 41m
2 stops
$1,551Qatar Airways
Thu, Jul 9 - Fri, Aug 7
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
$1,559Multiple Airlines
Sun, Jun 21 - Wed, Jul 15

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Etihad Airways flights from Ontario to Kolkata

Our best Etihad Airways deals on Ontario to Kolkata flight tickets
Etihad Airways
Jul 12
ONT11:50 pmOntario
56h 10m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Aug 5
CCU9:30 pmKolkata Netaji S. Chandra
37h 35m
2 stops
ONT10:35 pmOntario
$1,647
Etihad Airways
Jul 12
ONT11:50 pmOntario
56h 10m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Aug 7
CCU4:10 amKolkata Netaji S. Chandra
30h 55m
2 stops
ONT10:35 pmOntario
$1,649
Etihad Airways
Jul 11
ONT11:24 pmOntario
32h 36m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Aug 3
CCU9:30 pmKolkata Netaji S. Chandra
37h 35m
2 stops
ONT10:35 pmOntario
$1,653

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Oct 15
ONT6:00 amOntario
32h 00m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Nov 25
CCU3:25 amKolkata Netaji S. Chandra
28h 37m
2 stops
ONT6:32 pmOntario
$1,344
Qatar Airways
Oct 14
ONT12:00 pmOntario
26h 00m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Oct 31
CCU3:25 amKolkata Netaji S. Chandra
28h 18m
2 stops
ONT7:13 pmOntario
$1,384
Qatar Airways
Jun 30
ONT6:02 amOntario
31h 58m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Aug 3
CCU4:00 amKolkata Netaji S. Chandra
31h 41m
2 stops
ONT11:11 pmOntario
$1,446

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 3, 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

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 10/15

6:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Wed 11/25

3:25 am-6:32 pm

2 stops28h 37m

$1,344

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 10/14

12:00 pm-2:30 am

2 stops26h 00m

Kolkata Netaji S. Chandra

Fri 11/20

3:25 am-10:39 pm

2 stops32h 44m

$1,349
Quickest round-trip

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 10/14

12:00 pm-2:30 am

2 stops26h 00m

Kolkata Netaji S. Chandra

Sat 10/31

3:25 am-7:13 pm

2 stops28h 18m

$1,384

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 7/1

6:02 am-2:30 am

2 stops31h 58m

Kolkata Netaji S. Chandra

Fri 7/10

4:00 am-8:36 pm

2 stops29h 06m

$1,408

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 6/30

6:02 am-2:30 am

2 stops31h 58m

Kolkata Netaji S. Chandra

Mon 8/3

4:00 am-11:11 pm

2 stops31h 41m

$1,446

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 7/9

9:20 pm-2:30 am

2 stops40h 40m

Kolkata Netaji S. Chandra

Thu 8/6

4:00 am-11:11 pm

2 stops31h 41m

$1,451

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 6/29

12:04 pm-2:30 am

2 stops25h 56m

Kolkata Netaji S. Chandra

Mon 8/3

4:00 am-8:36 pm

2 stops29h 06m

$1,475

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 6/30

6:02 am-2:30 am

2 stops31h 58m

Kolkata Netaji S. Chandra

Thu 8/6

4:00 am-11:11 pm

2 stops31h 41m

$1,503

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 7/9

9:20 pm-2:30 am

2 stops40h 40m

Kolkata Netaji S. Chandra

Fri 8/7

4:00 am-11:11 pm

2 stops31h 41m

$1,551

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 6/21

6:02 am-2:30 am

2 stops31h 58m

Kolkata Netaji S. Chandra

Wed 7/15

4:00 am-11:11 pm

2 stops31h 41m

$1,559

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

26h 00m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 26h 00m
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 26h 00m, 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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