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₹ 52,186+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

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 4 August 2026.

Fri 11/923:35 -
2 stops34h 54m
Tue 29/906:00 -
2 stops27h 00m
Deal found 1/8₹ 97,516
Thu 10/923:30 -
2 stops35h 37m
Thu 17/914:22 -
2 stops42h 08m
Deal found 1/8₹ 99,516
Sun 20/1223:55 -
2 stops35h 20m
Wed 27/106:00 -
2 stops26h 20m
Deal found 31/7₹ 101,706
Tue 15/923:35 -
2 stops31h 11m
Sun 17/105:00 -
2 stops27h 20m
Deal found 4/8₹ 102,277
Thu 29/1023:55 -
2 stops31h 22m
Sat 14/1107:00 -
2 stops50h 15m
Deal found 2/8₹ 102,563
Thu 24/923:30 -
2 stops33h 09m
Sat 10/1023:59 -
2 stops32h 31m
Deal found 3/8₹ 103,991
Mon 14/923:35 -
2 stops33h 48m
Thu 5/1113:29 -
2 stops66h 51m
Deal found 2/8₹ 107,515
Sun 1/1123:55 -
2 stops35h 15m
Mon 23/1105:00 -
2 stops28h 15m
Deal found 2/8₹ 107,801
Wed 21/1023:35 -
2 stops34h 54m
Wed 18/1105:00 -
2 stops28h 15m
Deal found 3/8₹ 107,991
Mon 31/823:35 -
2 stops33h 48m
Wed 10/205:00 -
2 stops27h 20m
Deal found 2/8₹ 112,276
Mon 31/823:35 -
2 stops35h 30m
Sat 6/218:53 -
3 stops38h 22m
Deal found 2/8₹ 112,562
Mon 31/823:35 -
2 stops25h 45m
Tue 2/306:00 -
2 stops26h 20m
Deal found 1/8₹ 114,562

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, 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 4 August 2026.

Return from

₹ 106,467

One-way from

₹ 52,186

Popular in

April

Cheapest in

November

Average price

₹ 117,609
EVA Air
  • EVA Air
  • 14/8-6/11
  • 4 total stops
  • 60h 20m total
  • New Delhi to Los Angeles
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 56h 31m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 5,022 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (₹ 980 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
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 4 August 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 1/11

23:55-21:40

2 stops35h 15m

Ontario

Mon 23/11

05:00-22:45

2 stops28h 15m

₹ 107,801

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 31/8

23:35-12:50

2 stops25h 45m

Ontario

Tue 2/3

06:00-21:50

2 stops26h 20m

₹ 114,562

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 31/8

23:35-12:50

2 stops25h 45m

Ontario

Wed 27/1

05:00-21:50

2 stops27h 20m

₹ 114,562

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 19/8

23:35-21:59

2 stops34h 54m

Ontario

Wed 16/9

05:00-21:30

2 stops28h 00m

₹ 123,990

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 6/9

23:35-20:53

2 stops33h 48m

Ontario

Sat 14/11

13:29-21:50

2 stops42h 51m

₹ 124,561

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 9/9

03:25-19:03

2 stops28h 08m

Ontario

Wed 23/9

12:12-01:55

2 stops25h 13m

₹ 129,608

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 30/8

23:35-20:53

2 stops33h 48m

Ontario

Sun 6/9

09:01-21:30

2 stops23h 59m

₹ 134,275

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 12/10

23:35-20:31

2 stops33h 26m

Ontario

Sat 5/12

05:00-21:50

2 stops27h 20m

₹ 134,846

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 10/9

02:20-20:57

1 stop31h 07m

Ontario

Tue 29/9

22:39-12:55

1 stop25h 46m

₹ 141,988

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 20/12

03:45-20:03

2 stops29h 48m

Ontario

Fri 22/1

06:00-02:10

2 stops30h 40m

₹ 148,273

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 24 resultsSorted by cheapest first
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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 4 August 2026.
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
7.8
Good
8,482 reviews
Check prices

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.8

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
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews
Check prices

Entertainment

7.8

Food

7.2

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.8

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, New Delhi Indira Gandhi Intl offers the quickest one-way flight (25 hours 42 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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Fly with Cheapflights

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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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