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₹ 62,549+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
12 Jul — 19 Jul1
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 12 June 2026.

Tue 22/923:35
DEL
-
ONT
2 stops33h 48m
United Airlines
Tue 9/305:00
ONT
-
DEL
2 stops27h 20m
United Airlines
Deal found 7/6₹ 99,601
Thu 27/800:50
DEL
-
ONT
2 stops47h 56m
Delta
Mon 2/1111:55
ONT
-
DEL
2 stops46h 05m
Delta
Deal found 11/6₹ 103,134
Wed 11/1123:55
DEL
-
ONT
2 stops34h 56m
United Airlines
Tue 12/105:00
ONT
-
DEL
2 stops27h 20m
United Airlines
Deal found 10/6₹ 103,612
Tue 17/1123:55
DEL
-
ONT
2 stops34h 56m
United Airlines
Wed 17/305:00
ONT
-
DEL
2 stops28h 20m
United Airlines
Deal found 10/6₹ 105,999
Fri 17/723:35
DEL
-
ONT
2 stops25h 42m
United Airlines
Wed 19/809:01
ONT
-
DEL
2 stops23h 59m
United Airlines
Deal found 11/6₹ 106,095
Fri 24/723:35
DEL
-
ONT
2 stops59h 46m
United Airlines
Mon 17/807:00
ONT
-
DEL
2 stops26h 00m
United Airlines
Deal found 7/6₹ 106,668
Sun 4/1023:35
DEL
-
ONT
2 stops34h 54m
United Airlines
Wed 14/1005:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 9/6₹ 108,673
Wed 8/723:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 15/705:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 10/6₹ 108,959
Mon 29/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 6/1016:07
ONT
-
DEL
2 stops40h 53m
United Airlines
Deal found 8/6₹ 111,442
Mon 16/1123:55
DEL
-
ONT
2 stops33h 55m
United Airlines
Wed 17/305:00
ONT
-
DEL
2 stops28h 20m
United Airlines
Deal found 10/6₹ 115,931
Mon 13/723:35
DEL
-
ONT
2 stops33h 37m
United Airlines
Mon 10/805:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 11/6₹ 116,026
Tue 13/1023:35
DEL
-
ONT
2 stops34h 54m
United Airlines
Tue 3/1106:02
ONT
-
DEL
2 stops26h 18m
United Airlines
Deal found 8/6₹ 116,122

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 12 June 2026.

Return from

₹ 105,999

One-way from

₹ 62,549

Popular in

April

Cheapest in

November

Average price

₹ 107,718
SWISS
  • SWISS
  • 6/12-29/12
  • 2 total stops
  • 67h 55m total
  • New Delhi to Los Angeles
Search Deals
Delta
  • Delta
  • 6/10
  • 2 total stops
  • 32h 23m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (₹ 6,310 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,153 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 12 June 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

Thu 27/8

00:50-12:16

2 stops47h 56m

Ontario

Mon 2/11

11:55-23:30

2 stops46h 05m

₹ 103,134

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 28/8

03:55-22:45

2 stops31h 20m

Ontario

Mon 2/11

11:55-23:30

2 stops46h 05m

₹ 130,541

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 30/8

00:50-11:16

2 stops46h 56m

Ontario

Mon 2/11

11:55-23:30

2 stops46h 05m

₹ 130,541

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 2/7

23:35-20:42

2 stops33h 37m

Ontario

Wed 29/7

13:18-21:30

2 stops43h 42m

₹ 131,210

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 14/7

23:35-21:55

2 stops34h 50m

Ontario

Wed 19/8

09:01-21:30

2 stops23h 59m

₹ 137,894
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 3/11

03:45-18:28

2 stops28h 13m

Ontario

Wed 18/11

12:00-02:10

2 stops24h 40m

₹ 141,237

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 2/10

23:35-21:59

2 stops34h 54m

Ontario

Thu 12/11

05:00-21:50

2 stops27h 20m

₹ 144,197

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 30/8

00:50-11:16

2 stops46h 56m

Ontario

Fri 30/10

07:00-23:30

2 stops28h 00m

₹ 146,584

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 12/7

23:35-20:42

2 stops33h 37m

Ontario

Sun 30/8

06:00-21:30

2 stops27h 00m

₹ 148,876

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 24/6

23:35-21:55

2 stops34h 50m

Ontario

Thu 23/7

05:45-21:30

2 stops27h 15m

₹ 148,972

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
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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 12 June 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
7.9
Good
8,399 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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
7.9
Good
8,399 reviews
Delta
7.9
Good
8,399 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Comfort

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, Mumbai Chhatrapati Shivaji Intl offers the quickest one-way flight (26 hours 20 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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