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Cheap flights from Ontario to Kolkata from $608

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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 am - 2:40 pm
ONT
-
CCU
25h 25m
2 stops
Multiple Airlines Logo
8:20 am - 6:40 pm
CCU
-
ONT
46h 50m
2 stops
$1,309Multiple Airlines
Sat, Aug 8 - Sun, Aug 16
Multiple Airlines Logo
12:45 am - 2:40 pm
ONT
-
CCU
25h 25m
2 stops
Multiple Airlines Logo
8:20 am - 6:40 pm
CCU
-
ONT
46h 50m
2 stops
$1,334Multiple Airlines
Sat, Aug 8 - Sun, Aug 16
Multiple Airlines Logo
12:45 am - 12:45 am
ONT
-
CCU
35h 30m
2 stops
Multiple Airlines Logo
1:00 am - 6:40 pm
CCU
-
ONT
30h 10m
2 stops
$1,390Multiple Airlines
Fri, Aug 7 - Fri, Aug 21
Multiple Airlines Logo
12:45 am - 12:45 am
ONT
-
CCU
35h 30m
2 stops
Multiple Airlines Logo
9:15 pm - 6:40 pm
CCU
-
ONT
33h 55m
3 stops
$1,395Multiple Airlines
Sat, Aug 15 - Sun, Aug 30
Multiple Airlines Logo
12:45 am - 11:50 pm
ONT
-
CCU
34h 35m
2 stops
Multiple Airlines Logo
8:35 pm - 6:40 pm
CCU
-
ONT
34h 35m
3 stops
$1,462Multiple Airlines
Sat, Aug 8 - Sun, Aug 16
Etihad Airways Logo
11:59 pm - 8:30 pm
ONT
-
CCU
32h 01m
2 stops
Etihad Airways Logo
9:30 pm - 8:13 pm
CCU
-
ONT
35h 13m
2 stops
$1,463Etihad Airways
Mon, Aug 17 - Fri, Sep 11
Multiple Airlines Logo
9:10 pm - 8:30 pm
ONT
-
CCU
34h 50m
2 stops
Multiple Airlines Logo
9:30 pm - 8:13 pm
CCU
-
ONT
35h 13m
2 stops
$1,489Multiple Airlines
Fri, Sep 18 - Wed, Sep 30
Etihad Airways Logo
11:59 pm - 8:30 pm
ONT
-
CCU
56h 01m
2 stops
Etihad Airways Logo
9:30 pm - 8:13 pm
CCU
-
ONT
35h 13m
2 stops
$1,499Etihad Airways
Sun, Aug 16 - Fri, Sep 11
Etihad Airways Logo
11:59 pm - 8:30 pm
ONT
-
CCU
32h 01m
2 stops
Etihad Airways Logo
9:30 pm - 8:13 pm
CCU
-
ONT
35h 13m
2 stops
$1,503Etihad Airways
Fri, Aug 21 - Fri, Sep 11
Multiple Airlines Logo
12:45 am - 12:10 am
ONT
-
CCU
34h 55m
3 stops
Multiple Airlines Logo
1:00 am - 6:40 pm
CCU
-
ONT
30h 10m
2 stops
$1,504Multiple Airlines
Fri, Aug 7 - Fri, Aug 21

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Etihad Airways flights from Ontario to Kolkata

Our best Etihad Airways deals on Ontario to Kolkata flight tickets
Etihad Airways
Aug 17
ONT11:59 pmOntario
32h 01m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Sep 11
CCU9:30 pmKolkata Netaji S. Chandra
35h 13m
2 stops
ONT8:13 pmOntario
$1,463
Etihad Airways
Aug 16
ONT11:59 pmOntario
56h 01m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Sep 11
CCU9:30 pmKolkata Netaji S. Chandra
35h 13m
2 stops
ONT8:13 pmOntario
$1,499
Etihad Airways
Aug 21
ONT11:59 pmOntario
32h 01m
2 stops
CCU8:30 pmKolkata Netaji S. Chandra
Sep 11
CCU9:30 pmKolkata Netaji S. Chandra
35h 13m
2 stops
ONT8:13 pmOntario
$1,503

Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Nov 15
ONT6:00 amOntario
30h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 4
CCU3:25 amKolkata Netaji S. Chandra
32h 44m
2 stops
ONT10:39 pmOntario
$1,511
Qatar Airways
Jan 9
ONT6:00 amOntario
30h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 3
CCU3:25 amKolkata Netaji S. Chandra
32h 44m
2 stops
ONT10:39 pmOntario
$1,551
Qatar Airways
Nov 7
ONT4:09 pmOntario
44h 16m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Nov 16
CCU3:25 amKolkata Netaji S. Chandra
32h 59m
2 stops
ONT10:54 pmOntario
$1,559

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 July 15, 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

Sat 8/8

12:45 am-2:40 pm

2 stops25h 25m

Kolkata Netaji S. Chandra

Sun 8/16

8:20 am-6:40 pm

2 stops46h 50m

$1,309

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 8/8

12:45 am-2:40 pm

2 stops25h 25m

Kolkata Netaji S. Chandra

Sun 8/16

8:20 am-6:40 pm

2 stops46h 50m

$1,334

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 8/7

12:45 am-12:45 am

2 stops35h 30m

Kolkata Netaji S. Chandra

Fri 8/21

1:00 am-6:40 pm

2 stops30h 10m

$1,390

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 8/15

12:45 am-12:45 am

2 stops35h 30m

Kolkata Netaji S. Chandra

Sun 8/30

9:15 pm-6:40 pm

3 stops33h 55m

$1,395

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 8/8

12:45 am-11:50 pm

2 stops34h 35m

Kolkata Netaji S. Chandra

Sun 8/16

8:35 pm-6:40 pm

3 stops34h 35m

$1,462

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Mon 8/17

11:59 pm-8:30 pm

2 stops32h 01m

Kolkata Netaji S. Chandra

Fri 9/11

9:30 pm-8:13 pm

2 stops35h 13m

$1,463

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 9/18

9:10 pm-8:30 pm

2 stops34h 50m

Kolkata Netaji S. Chandra

Wed 9/30

9:30 pm-8:13 pm

2 stops35h 13m

$1,489

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sun 8/16

11:59 pm-8:30 pm

2 stops56h 01m

Kolkata Netaji S. Chandra

Fri 9/11

9:30 pm-8:13 pm

2 stops35h 13m

$1,499

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 8/21

11:59 pm-8:30 pm

2 stops32h 01m

Kolkata Netaji S. Chandra

Fri 9/11

9:30 pm-8:13 pm

2 stops35h 13m

$1,503
Quickest round-trip

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 8/7

12:45 am-12:10 am

3 stops34h 55m

Kolkata Netaji S. Chandra

Fri 8/21

1:00 am-6:40 pm

2 stops30h 10m

$1,504

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

30h 25m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 30h 25m
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 30h 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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