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 $1,625 to $15,426. That means the highest observed fare was about 9x 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 higher than usual. Average one-way flight prices are about $1,059, which is 39% above 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.

Which airline is the cheapest to fly from Ontario to Kolkata?

Qatar Airways ($1,751) offered the cheapest round-trip ticket from Ontario to Kolkata in the last 5 days.

Cheap Flights from Ontario to Kolkata | KAYAK

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Typical prices: $731-$890

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Sun 12/9

ONT - CCU • 2 stops

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Cheap Flights from Ontario to Kolkata (ONT-CCU)

Cheap flights from Ontario to Kolkata with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Thu, Nov 26 - Sat, Dec 12

10:50 pm - 4:15 pmONT Ontario-CCU Kolkata Netaji S. Chandra

27h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

1:55 am - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,543Multiple Airlines

Wed, Nov 25 - Fri, Dec 11

10:50 pm - 12:40 amONT Ontario-CCU Kolkata Netaji S. Chandra

36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

1:55 am - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,625Multiple Airlines

Sun, Jan 17 - Thu, Jan 28

10:50 pm - 4:15 pmONT Ontario-CCU Kolkata Netaji S. Chandra

27h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

1:55 am - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,629Multiple Airlines

Sun, Nov 8 - Sat, Nov 14

10:50 pm - 12:40 amONT Ontario-CCU Kolkata Netaji S. Chandra

36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

1:55 am - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

52h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,657Multiple Airlines

Thu, Nov 26 - Sat, Dec 12

10:50 pm - 4:15 pmONT Ontario-CCU Kolkata Netaji S. Chandra

27h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

5:30 pm - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

61h 05m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,686Multiple Airlines

Thu, Jan 28 - Sat, Feb 27

10:50 pm - 12:40 amONT Ontario-CCU Kolkata Netaji S. Chandra

36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

5:30 pm - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

37h 05m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,718Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

10:25 am - 1:55 amONT Ontario-CCU Kolkata Netaji S. Chandra

27h 00m2 stops Dallas/Fort Worth Doha Hamad Intl

3:25 am - 6:42 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

28h 47m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,721Qatar Airways

Tue, Jan 19 - Mon, Feb 15

4:16 pm - 1:55 amONT Ontario-CCU Kolkata Netaji S. Chandra

44h 09m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:25 am - 10:25 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

32h 30m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,751Qatar Airways

Mon, Nov 16 - Sun, Dec 6

10:50 pm - 12:40 amONT Ontario-CCU Kolkata Netaji S. Chandra

36h 20m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

1:55 am - 5:05 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

28h 40m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,754Multiple Airlines

Wed, Oct 21 - Sat, Nov 7

6:02 am - 2:10 amONT Ontario-CCU Kolkata Netaji S. Chandra

31h 38m2 stops Seattle/Tacoma Intl Doha Hamad Intl

3:25 am - 6:42 pmCCU Kolkata Netaji S. Chandra-ONT Ontario

52h 47m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,768Qatar Airways

Price, demand and travel trends for Ontario to Kolkata flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Ontario to Kolkata?: Qatar Airways ($1,751) offered the cheapest round-trip ticket from Ontario to Kolkata in the last 5 days.

Find deals

Cheapest flight	$809

One-way 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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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 $1,625 to $15,426. That means the highest observed fare was about 9x 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 higher than usual. Average one-way flight prices are about $1,059, which is 39% above the typical average for this route.
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 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.

If you're arriving late at night and need somewhere to stay, check out these hotels close to Kolkata Netaji S. Chandra Airport.

• Holiday Inn Express Kolkata Airport By IHG
• Treebo Hoops - Airport, Vip Road
• Ethnotel, Kolkata Airport

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ONT - CCU

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Everything you should know

Cheap Flights from Ontario to Kolkata (ONT-CCU)

Cheap flights from Ontario to Kolkata with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Price, demand and travel trends for Ontario to Kolkata flights

Which airline is the cheapest to fly from Ontario to Kolkata?

Key details for Ontario to Kolkata flights

Cheapest flight

When to book flights from Ontario to Kolkata

Your Ontario to Kolkata flight questions, answered

Your guide to booking Ontario to Kolkata flights

More options for your flight from Ontario to Kolkata

Complete your trip to Kolkata with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Kolkata

Find direct flights to and from Ontario and Kolkata

Flights from domestic origins to Kolkata

Flights to other popular destinations