ONT - CCU

$577 Find Cheap Flights from Ontario to Kolkata - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest one-way
$577
Typical prices: $731-$890
Multiple Airlines
Wed 9/26
ONT - CCU • 2 stops
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Flight Deals

Cheap Flights from Ontario to Kolkata (ONT-CCU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Kolkata

Wed, Oct 14 - Fri, Oct 30
Multiple Airlines Logo
12:10 am - 1:35 amONT  Ontario-CCU Kolkata Netaji S. Chandra
36h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:35 am - 6:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 00m2 stops Bangkok Don Mueang Intl Taipei City Taiwan Taoyuan Intl
$1,121Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
10:50 pm - 12:40 amONT  Ontario-CCU Kolkata Netaji S. Chandra
36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:55 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,142Multiple Airlines
Mon, Nov 9 - Sun, Nov 15
Multiple Airlines Logo
10:50 pm - 12:40 amONT  Ontario-CCU Kolkata Netaji S. Chandra
36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:55 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,144Multiple Airlines
Wed, Oct 14 - Fri, Oct 23
Multiple Airlines Logo
11:30 pm - 11:50 pmONT  Ontario-CCU Kolkata Netaji S. Chandra
35h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:00 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 35m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,150Multiple Airlines
Tue, Nov 3 - Thu, Dec 3
Multiple Airlines Logo
10:50 pm - 4:15 pmONT  Ontario-CCU Kolkata Netaji S. Chandra
27h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:55 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,166Multiple Airlines
Thu, Jan 7 - Sun, Jan 17
Multiple Airlines Logo
10:50 pm - 12:40 amONT  Ontario-CCU Kolkata Netaji S. Chandra
36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
12:50 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
29h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,176Multiple Airlines
Thu, Jan 7 - Sun, Jan 17
Multiple Airlines Logo
10:50 pm - 12:40 amONT  Ontario-CCU Kolkata Netaji S. Chandra
36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
12:50 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
29h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,177Multiple Airlines
Wed, Oct 7 - Fri, Nov 13
Multiple Airlines Logo
12:10 am - 1:35 amONT  Ontario-CCU Kolkata Netaji S. Chandra
36h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:35 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 00m2 stops Bangkok Don Mueang Intl Taipei City Taiwan Taoyuan Intl
$1,190Multiple Airlines
Tue, Jan 26 - Mon, Mar 8
Multiple Airlines Logo
10:50 pm - 4:15 pmONT  Ontario-CCU Kolkata Netaji S. Chandra
27h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:55 am - 5:05 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,201Multiple Airlines
Sat, Sep 12 - Mon, Sep 21
Multiple Airlines Logo
12:45 am - 11:50 pmONT  Ontario-CCU Kolkata Netaji S. Chandra
34h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:00 am - 6:00 pmCCU  Kolkata Netaji S. Chandra-ONT Ontario
29h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,207Multiple Airlines
Useful Info

Key details for Ontario to Kolkata flights

Cheapest flight

$577
Flight from Ontario to Kolkata

When to book flights from Ontario to Kolkata

Are your dates flexible? Find out the best times to travel from Ontario to Kolkata based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Kolkata flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Ontario to Kolkata?

    Flights from Ontario to Kolkata usually depart from Ontario (ONT) and arrive at Kolkata Netaji S. Chandra (CCU).

  • What cabin classes can I book on flights from Ontario to Kolkata?

    Only Economy Class is available on flights from Ontario to Kolkata.

  • Do I need a passport to fly from Ontario to Kolkata?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Ontario to Kolkata changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,121 to $8,066. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Ontario to Kolkata looking right now?

    One-way fares from Ontario to Kolkata are currently lower than usual. Average one-way flight prices are about $685, which is 10% below the typical average for this route.

  • What is the time difference between Ontario and Kolkata?

    Kolkata is 12 hours ahead of Ontario (India Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Ontario to Kolkata flights

Get tips on when to book, when to fly and what to know before your trip.

Everything you need to know for your flight from Ontario to Kolkata

Information on your arrival and departure airports

Ontario (ONT)
Kolkata (CCU)