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₹ 51,760+ Cheap flights to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
5 Jul — 12 Jul1
1 adult

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 30 June 2025.

Return from

₹ 80,544

One-way from

₹ 51,760

Popular in

August

Cheapest in

February

Average price

₹ 91,647
Singapore Airlines
  • Singapore Airlines
  • 25/9-9/10
  • 2 total stops
  • 65h 40m total
  • New Delhi to Los Angeles
Delta
  • Delta
  • 28/10
  • 2 total stops
  • 26h 27m total
  • New Delhi to Ontario
Highest demand for flights based on searches. 4% potential increase in price (₹ 424,309 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (₹ 130,784 potential savings vs. average return price).
Average for return flights in June 2025

Find flight deals to Ontario

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 30 June 2025.

Tue 29/723:35DEL - ONT
3 stops35h 47mUnited Airlines
Tue 5/807:00ONT - DEL
2 stops26h 00mUnited Airlines
Deal found 29/6₹ 89,426
Sat 5/703:55DEL - ONT
2 stops32h 21mDelta
Fri 15/807:05ONT - DEL
2 stops27h 15mDelta
Deal found 29/6₹ 90,366
Thu 6/1105:05DEL - ONT
2 stops31h 07mVirgin Atlantic
Mon 10/1112:00ONT - DEL
2 stops25h 20mVirgin Atlantic
Deal found 29/6₹ 104,971
Mon 6/1004:20DEL - ONT
2 stops26h 43mQatar Airways
Fri 6/211:30ONT - DEL
2 stops25h 05mQatar Airways
Deal found 29/6₹ 112,061
Fri 25/704:50DEL - ONT
2 stops29h 39mEtihad Airways
Fri 1/823:59ONT - DEL
2 stops38h 46mEtihad Airways
Deal found 29/6₹ 115,904
Mon 28/702:45DEL - ONT
1 stop31h 44mAir India
Tue 5/823:59ONT - DEL
1 stop24h 41mAir India
Deal found 29/6₹ 117,185
Mon 28/701:40DEL - ONT
2 stops29h 30mMultiple Airlines
Mon 4/800:45ONT - DEL
3 stops33h 50mMultiple Airlines
Deal found 29/6₹ 118,894
Fri 5/1223:45DEL - ONT
2 stops31h 31mAir Canada
Sun 4/105:40ONT - DEL
2 stops27h 05mAir Canada
Deal found 29/6₹ 120,260
Thu 4/1203:15DEL - ONT
2 stops28h 02mBritish Airways
Sun 4/111:00ONT - DEL
2 stops24h 45mBritish Airways
Deal found 29/6₹ 141,442

Cheapflights Fare Finder

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 30 June 2025.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

New Delhi

Route

Depart

Return

Price

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 29/7

23:35-22:52

3 stops35h 47m

Ontario

Tue 5/8

07:00-21:30

2 stops26h 00m

₹ 89,426

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 21/10

00:50-17:17

2 stops28h 57m

Ontario

Mon 12/1

13:00-02:50

2 stops24h 20m

₹ 91,049

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 6/11

05:05-22:42

2 stops31h 07m

Ontario

Mon 10/11

12:00-02:50

2 stops25h 20m

₹ 104,971

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 6/10

04:20-18:33

2 stops26h 43m

Ontario

Fri 6/2

11:30-02:05

2 stops25h 05m

₹ 112,061

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 25/7

04:50-21:59

2 stops29h 39m

Ontario

Fri 1/8

23:59-03:15

2 stops38h 46m

₹ 115,904

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 28/7

02:45-21:59

1 stop31h 44m

Ontario

Tue 5/8

23:59-13:10

1 stop24h 41m

₹ 117,185

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 28/7

01:40-18:40

2 stops29h 30m

Ontario

Mon 4/8

00:45-23:05

3 stops33h 50m

₹ 118,894

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/12

23:45-17:46

2 stops31h 31m

Ontario

Sun 4/1

05:40-22:15

2 stops27h 05m

₹ 120,260

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 4/12

03:15-17:47

2 stops28h 02m

Ontario

Sun 4/1

11:00-01:15

2 stops24h 45m

₹ 141,442

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 28/10

03:20-17:17

2 stops26h 27m

₹ 51,760

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 18 results
1
2

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

On average, a flight from New Delhi to Ontario takes 25 hours 27 minutes. Flights to Ontario from other popular cities in India will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from New Delhi to Ontario are United Airlines and American Airlines.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 30 June 2025.
See what other customers who have flown with Delta, KLM, andQatar Airways to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

FAQs about flying to Ontario

  • What airport do you fly into for flights to Ontario?

    Travellers will need to book flights to Ontario (ONT) if they wish to fly to Ontario. The Ontario airport is 4.9 km from the city centre.

  • Can I find cheaper flights to Ontario if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Ontario.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, New Delhi Indira Gandhi Intl offers the quickest one-way flight (25 hours 27 minutes).

  • Does Ontario have rental cars?

    Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ontario?

    Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

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How does Cheapflights help users find flights to Ontario?

When you search for this flight to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

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

Can Cheapflights find flights to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights to Ontario with no change fees.

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

Not ready to book yet? You can track prices for flights to Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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