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Cheap flights from Ontario to Kolkata from $714

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 7/28. 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 - 11:50 pm
ONT
-
CCU
34h 35m
3 stops
Multiple Airlines Logo
9:00 pm - 6:40 pm
CCU
-
ONT
34h 10m
3 stops
$1,293Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
Multiple Airlines Logo
12:10 am - 1:35 am
ONT
-
CCU
36h 55m
2 stops
Multiple Airlines Logo
2:35 am - 5:50 pm
CCU
-
ONT
51h 45m
2 stops
$1,329Multiple Airlines
Fri, Oct 9 - Fri, Oct 30
Multiple Airlines Logo
7:32 pm - 1:55 am
ONT
-
CCU
40h 53m
2 stops
Multiple Airlines Logo
3:25 am - 10:39 pm
CCU
-
ONT
32h 44m
2 stops
$1,470Multiple Airlines
Thu, Nov 26 - Thu, Dec 10
Qatar Airways Logo
4:00 pm - 1:55 am
ONT
-
CCU
44h 25m
2 stops
Qatar Airways Logo
3:25 am - 10:39 pm
CCU
-
ONT
32h 44m
2 stops
$1,484Qatar Airways
Thu, Nov 26 - Wed, Jan 27
Multiple Airlines Logo
12:45 am - 11:50 pm
ONT
-
CCU
34h 35m
3 stops
Multiple Airlines Logo
12:30 am - 6:00 pm
CCU
-
ONT
30h 00m
3 stops
$1,513Multiple Airlines
Wed, Sep 2 - Tue, Sep 22
Multiple Airlines Logo
12:45 am - 11:50 pm
ONT
-
CCU
34h 35m
2 stops
Multiple Airlines Logo
2:00 am - 6:00 pm
CCU
-
ONT
28h 30m
2 stops
$1,551Multiple Airlines
Wed, Sep 2 - Tue, Sep 22
Qatar Airways Logo
4:09 pm - 1:55 am
ONT
-
CCU
44h 16m
2 stops
Qatar Airways Logo
3:25 am - 10:39 pm
CCU
-
ONT
32h 44m
2 stops
$1,564Qatar Airways
Sat, Nov 7 - Fri, Mar 5
Multiple Airlines Logo
12:45 am - 10:45 pm
ONT
-
CCU
33h 30m
3 stops
Multiple Airlines Logo
2:00 am - 6:00 pm
CCU
-
ONT
28h 30m
2 stops
$1,623Multiple Airlines
Wed, Sep 2 - Tue, Sep 22
Multiple Airlines Logo
12:45 am - 2:40 pm
ONT
-
CCU
25h 25m
2 stops
Multiple Airlines Logo
9:15 pm - 6:40 pm
CCU
-
ONT
33h 55m
3 stops
$1,700Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
Multiple Airlines Logo
12:45 am - 2:40 pm
ONT
-
CCU
25h 25m
2 stops
Multiple Airlines Logo
2:00 am - 6:40 pm
CCU
-
ONT
29h 10m
3 stops
$1,742Multiple Airlines
Tue, Jul 28 - Mon, Aug 17

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Qatar Airways flights from Ontario to Kolkata

Our best Qatar Airways deals on Ontario to Kolkata flight tickets
Qatar Airways
Nov 26
ONT4:00 pmOntario
44h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 27
CCU3:25 amKolkata Netaji S. Chandra
32h 44m
2 stops
ONT10:39 pmOntario
$1,484
Qatar Airways
Nov 7
ONT4:09 pmOntario
44h 16m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Mar 5
CCU3:25 amKolkata Netaji S. Chandra
32h 44m
2 stops
ONT10:39 pmOntario
$1,564
Qatar Airways
Sep 24
ONT12:12 pmOntario
25h 48m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 28
CCU4:00 amKolkata Netaji S. Chandra
31h 54m
2 stops
ONT11:24 pmOntario
$1,749

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 7, 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 8/1

12:45 am-11:50 pm

3 stops34h 35m

Kolkata Netaji S. Chandra

Sun 8/9

9:00 pm-6:40 pm

3 stops34h 10m

$1,293

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Fri 10/9

12:10 am-1:35 am

2 stops36h 55m

Kolkata Netaji S. Chandra

Fri 10/30

2:35 am-5:50 pm

2 stops51h 45m

$1,329

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 11/26

7:32 pm-1:55 am

2 stops40h 53m

Kolkata Netaji S. Chandra

Thu 12/10

3:25 am-10:39 pm

2 stops32h 44m

$1,470

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Thu 11/26

4:00 pm-1:55 am

2 stops44h 25m

Kolkata Netaji S. Chandra

Wed 1/27

3:25 am-10:39 pm

2 stops32h 44m

$1,484

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 9/2

12:45 am-11:50 pm

3 stops34h 35m

Kolkata Netaji S. Chandra

Tue 9/22

12:30 am-6:00 pm

3 stops30h 00m

$1,513

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 9/2

12:45 am-11:50 pm

2 stops34h 35m

Kolkata Netaji S. Chandra

Tue 9/22

2:00 am-6:00 pm

2 stops28h 30m

$1,551

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 11/7

4:09 pm-1:55 am

2 stops44h 16m

Kolkata Netaji S. Chandra

Fri 3/5

3:25 am-10:39 pm

2 stops32h 44m

$1,564

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Wed 9/2

12:45 am-10:45 pm

3 stops33h 30m

Kolkata Netaji S. Chandra

Tue 9/22

2:00 am-6:00 pm

2 stops28h 30m

$1,623

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Sat 8/1

12:45 am-2:40 pm

2 stops25h 25m

Kolkata Netaji S. Chandra

Sun 8/9

9:15 pm-6:40 pm

3 stops33h 55m

$1,700
Quickest round-trip

OntarioKolkata

ONT - CCU

ONTCCU

Ontario

Tue 7/28

12:45 am-2:40 pm

2 stops25h 25m

Kolkata Netaji S. Chandra

Mon 8/17

2:00 am-6:40 pm

3 stops29h 10m

$1,742

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

27h 35m

Direct flights

None
The fastest flight from Ontario to Kolkata takes 27h 35m
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 27h 35m, 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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