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₹ 37,830+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ontario

Enter your travel dates to find the best prices.

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 13 November 2025.

Thu 18/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Wed 4/305:00ONT - DEL
2 stops27h 25mUnited Airlines
Deal found 11/11₹ 95,151
Mon 8/1200:25DEL - ONT
3 stops35h 54mUnited Airlines
Sat 10/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 11/11₹ 99,846
Fri 5/1200:25DEL - ONT
3 stops35h 54mUnited Airlines
Sat 7/206:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 13/11₹ 107,022
Tue 25/1100:25DEL - ONT
3 stops35h 56mUnited Airlines
Fri 13/205:00ONT - DEL
2 stops27h 20mUnited Airlines
Deal found 11/11₹ 115,616
Mon 24/1100:25DEL - ONT
2 stops35h 36mUnited Airlines
Tue 2/1206:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 12/11₹ 115,793
Wed 24/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Fri 16/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 13/11₹ 119,337
Sat 20/1223:55DEL - ONT
2 stops35h 49mAmerican Airlines
Sun 28/1207:10ONT - DEL
2 stops28h 35mAmerican Airlines
Deal found 11/11₹ 120,577
Tue 9/1216:10DEL - ONT
2 stops35h 15mQatar Airways
Mon 9/206:00ONT - DEL
2 stops36h 55mQatar Airways
Deal found 11/11₹ 121,995
Tue 9/1206:55DEL - ONT
2 stops41h 54mMultiple Airlines
Fri 9/111:53ONT - DEL
2 stops27h 52mMultiple Airlines
Deal found 11/11₹ 122,083
Wed 10/1206:55DEL - ONT
2 stops41h 54mMultiple Airlines
Tue 20/111:53ONT - DEL
2 stops27h 52mMultiple Airlines
Deal found 11/11₹ 123,944
Wed 17/1206:55DEL - ONT
2 stops40h 25mMultiple Airlines
Sun 1/211:53ONT - DEL
2 stops27h 52mMultiple Airlines
Deal found 11/11₹ 134,309

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 13 November 2025.

Return from

₹ 70,521

One-way from

₹ 37,830

Popular in

January

Cheapest in

February

Average price

₹ 93,467
British Airways
  • British Airways
  • 8/12-10/1
  • 4 total stops
  • 94h 55m total
  • New Delhi to Los Angeles
Search Deals
10/12
  • 10/12
  • 3 total stops
  • 35h 10m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 4,783 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,445 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 13 November 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

Thu 18/12

00:25-22:25

2 stops35h 30m

Ontario

Wed 4/3

05:00-21:55

2 stops27h 25m

₹ 95,151

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 23/4

22:50-22:26

2 stops36h 06m

Ontario

Wed 13/5

06:02-21:30

2 stops26h 58m

₹ 95,859

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 9/12

00:25-22:49

3 stops35h 54m

Ontario

Sat 10/1

06:00-21:50

2 stops26h 20m

₹ 99,846

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 8/12

00:25-22:49

3 stops35h 54m

Ontario

Sat 10/1

06:00-21:50

2 stops26h 20m

₹ 99,846

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 23/1

23:55-21:58

2 stops35h 33m

Ontario

Fri 30/1

06:00-21:50

2 stops26h 20m

₹ 107,022

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 15/12

00:25-22:49

3 stops35h 54m

Ontario

Tue 30/12

05:05-21:55

2 stops27h 20m

₹ 107,022

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/12

00:25-22:49

3 stops35h 54m

Ontario

Sat 7/2

06:00-21:50

2 stops26h 20m

₹ 107,022

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 24/1

23:30-20:58

2 stops34h 58m

Ontario

Wed 25/3

05:40-21:00

2 stops26h 50m

₹ 112,249

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 22/3

21:15-18:19

2 stops33h 34m

Ontario

Fri 27/3

18:55-01:55

2 stops42h 30m

₹ 114,641

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 25/11

00:25-22:51

3 stops35h 56m

Ontario

Fri 13/2

05:00-21:50

2 stops27h 20m

₹ 115,616

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 22 results
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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

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from New Delhi to Ontario is Delta.

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 13 November 2025.
See what other customers who have flown with Delta to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews
Check prices

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

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, Delta 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, Mumbai Chhatrapati Shivaji Intl offers the quickest one-way flight (26 hours 39 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?

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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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