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₹ 57,933+ 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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
17 Sep — 24 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 18 August 2026.

Mon 14/923:30 -
2 stops35h 37m
Sat 19/906:00 -
2 stops26h 30m
Deal found 15/8₹ 94,261
Tue 20/1023:35 -
2 stops34h 54m
Wed 28/1006:00 -
2 stops27h 20m
Deal found 17/8₹ 97,798
Sat 19/923:30 -
2 stops31h 13m
Sun 11/1023:59 -
2 stops32h 31m
Deal found 14/8₹ 98,276
Tue 15/923:35 -
2 stops31h 11m
Tue 22/906:00 -
2 stops27h 00m
Deal found 16/8₹ 102,578
Mon 5/1023:30 -
2 stops28h 16m
Mon 1/306:00 -
2 stops26h 05m
Deal found 14/8₹ 103,248
Thu 10/923:30 -
2 stops49h 03m
Wed 23/907:20 -
2 stops25h 10m
Deal found 14/8₹ 104,108
Tue 29/923:30 -
2 stops31h 17m
Fri 16/1012:43 -
2 stops43h 47m
Deal found 13/8₹ 105,829
Fri 4/923:35 -
2 stops33h 48m
Fri 22/113:33 -
2 stops66h 47m
Deal found 17/8₹ 107,836
Wed 23/1200:30 -
2 stops35h 41m
Fri 15/105:00 -
2 stops28h 15m
Deal found 16/8₹ 108,506
Fri 4/923:35 -
2 stops33h 48m
Wed 20/105:00 -
2 stops27h 20m
Deal found 17/8₹ 112,521

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 18 August 2026.

Return from

₹ 97,607

One-way from

₹ 57,933

Popular in

April

Cheapest in

November

Average price

₹ 117,588
American Airlines
  • American Airlines
  • 20/9-25/2
  • 2 total stops
  • 52h 16m total
  • New Delhi to Los Angeles
Search Deals
American Airlines
  • American Airlines
  • 30/9
  • 2 total stops
  • 26h 25m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 4,827 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (₹ 996 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 18 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 New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Tue 15/9

23:35-18:16

2 stops31h 11m

Ontario

Tue 22/9

06:00-21:30

2 stops27h 00m

₹ 102,578

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Wed 23/12

00:30-22:41

2 stops35h 41m

Ontario

Fri 15/1

05:00-22:45

2 stops28h 15m

₹ 108,506

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Fri 4/9

23:35-20:53

2 stops33h 48m

Ontario

Wed 20/1

05:00-21:50

2 stops27h 20m

₹ 112,521

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Wed 23/12

00:30-22:41

2 stops35h 41m

Ontario

Thu 14/1

06:00-21:50

2 stops26h 20m

₹ 115,198

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Tue 1/9

23:35-12:50

2 stops25h 45m

Ontario

Tue 19/1

06:00-21:50

2 stops26h 20m

₹ 119,595

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Mon 14/9

23:35-14:01

2 stops26h 56m

Ontario

Mon 21/9

05:00-21:30

2 stops28h 00m

₹ 124,949

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Thu 10/9

18:50-17:19

2 stops34h 59m

Ontario

Sun 25/10

06:20-18:20

2 stops47h 30m

₹ 135,465

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Sat 5/12

03:30-17:05

2 stops27h 05m

Ontario

Fri 30/4

00:10-18:15

2 stops29h 35m

₹ 147,319

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Sat 14/11

03:30-17:05

2 stops27h 05m

Ontario

Fri 23/4

00:10-20:55

2 stops32h 15m

₹ 147,415
Fastest return journey

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Sun 4/10

03:10-12:18

1 stop21h 38m

Ontario

Mon 1/3

06:00-20:25

2 stops24h 55m

₹ 150,187

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 18 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
8,499 reviews
Check prices

Food

7.2

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Entertainment

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
8,499 reviews
Delta
7.8
Good
8,499 reviews
Check prices

Food

7.2

Crew

8.5

Comfort

7.8

Overall

7.8

Boarding

8.1

Entertainment

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 (24 hours 58 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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