₹ 6,775+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — DEL
21 Nov — 28 Nov1
1 adult
1 adult, Economy

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 22 October 2025.

Cheapest one-way flight

₹ 39,343

Cheapest round-trip flight

₹ 63,849

Cheapest airline

American Airlines

Most popular destination

Istanbul (IST)

Good round-trip deal

₹ 9,270 or less
The cheapest one-way flight from Ontario is currently to Istanbul.
Search Deals
The cheapest round-trip flight from Ontario is currently to Istanbul.
Search Deals
On average, American Airlines currently has the cheapest one-way flight from Ontario (avg. price of ₹ 9,885).
Search Deals
Istanbul (IST) is currently the most popular flight destination from Ontario (average return price of ₹ 51,246).
Search Deals
Price to beat on a round-trip flight from Ontario.
Search Deals

Find flights from Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 22 October 2025.

Wed 19/1108:00ONT - JFK
1 stop19h 30mFrontier
Sat 22/1107:30JFK - ONT
1 stop16h 36mFrontier
Deal found 21/10₹ 20,412
Sun 15/206:00ONT - EWR
1 stop8h 59mUnited Airlines
Thu 19/206:00EWR - ONT
1 stop9h 38mUnited Airlines
Deal found 20/10₹ 21,907
Tue 17/222:30ONT - JFK
1 stop9h 47mDelta
Sat 21/206:00JFK - ONT
1 stop8h 38mDelta
Deal found 20/10₹ 22,611
Wed 19/1100:58ONT - JFK
1 stop8h 08mFrontier
Sun 23/1113:01JFK - ONT
1 stop25h 27mFrontier
Deal found 21/10₹ 23,139
Tue 16/1206:00ONT - JFK
1 stop10h 29mAlaska Airlines
Fri 9/116:22JFK - ONT
1 stop10h 34mAlaska Airlines
Deal found 20/10₹ 24,371
Sat 13/1206:00ONT - JFK
1 stop10h 29mAlaska Airlines
Mon 9/216:22JFK - ONT
1 stop10h 34mAlaska Airlines
Deal found 20/10₹ 25,339
Thu 27/1106:00ONT - EWR
1 stop8h 41mDelta
Thu 4/1219:00EWR - ONT
1 stop7h 58mDelta
Deal found 20/10₹ 25,954
Wed 12/1106:00ONT - JFK
1 stop10h 29mAlaska Airlines
Tue 18/1107:00JFK - ONT
1 stop11h 17mAlaska Airlines
Deal found 21/10₹ 26,218
Tue 20/108:13ONT - KOA
1 stop10h 56mAlaska Airlines
Wed 28/106:00KOA - ONT
1 stop14h 28mAlaska Airlines
Deal found 22/10₹ 27,450
Sat 6/1206:40ONT - JFK
1 stop10h 21mDelta
Sat 13/1207:00JFK - ONT
1 stop31h 13mDelta
Deal found 21/10₹ 27,802
Wed 10/1206:00ONT - KOA
1 stop10h 40mAlaska Airlines
Wed 10/1221:10KOA - ONT
1 stop12h 09mAlaska Airlines
Deal found 21/10₹ 27,802
Wed 21/108:13ONT - KOA
1 stop10h 56mAlaska Airlines
Thu 29/121:10KOA - ONT
1 stop11h 49mAlaska Airlines
Deal found 22/10₹ 27,890

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 22 October 2025. In the last 7 days, Cheapflights users made a total of 454,620 searches

Fly to

New Delhi

Route

Depart

Return

Price

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 13/1

22:30-11:17

1 stop9h 47m

New York John F Kennedy Intl

Wed 14/1

15:30-21:14

1 stop8h 44m

₹ 22,611

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 16/12

06:00-19:29

1 stop10h 29m

New York John F Kennedy Intl

Tue 13/1

11:30-20:36

1 stop12h 06m

₹ 24,371

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 16/12

06:00-19:29

1 stop10h 29m

New York John F Kennedy Intl

Sun 8/2

16:22-23:56

1 stop10h 34m

₹ 24,371

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 9/1

06:00-19:28

1 stop10h 28m

New York John F Kennedy Intl

Wed 21/1

07:00-15:08

1 stop11h 08m

₹ 24,371

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sun 11/1

06:00-19:28

1 stop10h 28m

New York John F Kennedy Intl

Sat 24/1

11:30-20:36

1 stop12h 06m

₹ 24,371

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 29/1

06:00-19:28

1 stop10h 28m

New York John F Kennedy Intl

Sun 1/2

07:00-15:08

1 stop11h 08m

₹ 24,371

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 14/4

11:55-00:09

1 stop9h 14m

New York John F Kennedy Intl

Thu 16/4

10:10-18:15

1 stop11h 05m

₹ 25,339

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 10/12

06:00-19:29

1 stop10h 29m

New York John F Kennedy Intl

Wed 7/1

07:00-15:08

1 stop11h 08m

₹ 25,339

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 11/3

06:00-19:29

1 stop10h 29m

New York John F Kennedy Intl

Sat 14/3

16:00-22:37

1 stop9h 37m

₹ 25,339

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 15/1

06:00-19:28

1 stop10h 28m

New York John F Kennedy Intl

Tue 20/1

07:00-15:08

1 stop11h 08m

₹ 25,339

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario?

Currently, August is the cheapest month in which you can book a flight from Ontario (average of ₹ 57,364). Flying from Ontario in March will prove the most costly (average of ₹ 69,153). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

Ontario offers frequent flights to Dallas (141 flights per day), Seattle (111 flights per day) and Atlanta (90 flights per day).

Denver Intl
Denver Intl
From ₹ 9,270

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Denver Intl, with prices starting at ₹ 9,270. Explore other affordable destinations below.

Denver Intl
Denver Intl
From ₹ 9,270

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from California

Book a direct flight from one of these other cities located in California.
Direct flights from San Francisco
Direct flights from Los Angeles
Direct flights from San Diego
Direct flights from San Jose

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 22 October 2025.

  • What are the most popular destinations to fly to from Ontario?

    For the current month, the most popular flights from Ontario are Dallas/Fort Worth Airport, Denver, Guadalajara. Dallas/Fort Worth Airport, Denver, Guadalajara are the most popular locations from Ontario year round.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as ₹ 9,270 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for ₹ 9,709 to fly from Ontario.

  • What is the cheapest premium economy flight from Ontario?

    Options for some of the cheapest premium economy flights from Ontario we have found on Cheapflights are as follows:
    Fly from Ontario to Dallas/Fort Worth Airport starting at ₹ 181,816
    Fly from Ontario to Atlanta starting at ₹ 183,380

  • What is the cheapest month to fly from Ontario?

    August is currently the cheapest month to fly from Ontario. At this moment in time March is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Ontario?

    Here are some of the cheapest flight destinations from Ontario:
    Fly from Ontario to Mumbai from ₹ 63,346 round trip
    Fly from Ontario to New Delhi from ₹ 64,490 round trip
    Fly from Ontario to Hyderabad from ₹ 86,134 round trip

  • How does Cheapflights help users find flights from Ontario?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Ontario with no change fees?

    Yes, we can. To see specific flights from Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario with no change fees?

Yes, we can. To see specific flights from Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.