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₹ 68,543+ 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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
6 Jul — 13 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 6 June 2026.

Wed 17/600:50
DEL
-
ONT
2 stops44h 30m
Delta
Fri 11/917:55
ONT
-
DEL
2 stops43h 30m
Delta
Deal found 4/6₹ 102,386
Tue 30/615:55
DEL
-
ONT
2 stops43h 46m
Qatar Airways
Tue 7/717:26
ONT
-
DEL
2 stops50h 59m
Qatar Airways
Deal found 31/5₹ 110,870
Thu 18/611:10
DEL
-
ONT
2 stops36h 37m
Delta
Thu 10/912:00
ONT
-
DEL
2 stops25h 25m
Delta
Deal found 4/6₹ 110,965
Tue 6/1003:25
DEL
-
ONT
2 stops27h 05m
Qatar Airways
Thu 12/1112:00
ONT
-
DEL
2 stops24h 40m
Qatar Airways
Deal found 1/6₹ 111,061
Thu 18/623:35
DEL
-
ONT
2 stops59h 46m
United Airlines
Sun 13/906:00
ONT
-
DEL
2 stops51h 00m
United Airlines
Deal found 4/6₹ 115,637
Sun 4/1003:25
DEL
-
ONT
2 stops27h 05m
Qatar Airways
Thu 12/1112:00
ONT
-
DEL
2 stops24h 40m
Qatar Airways
Deal found 1/6₹ 116,113
Mon 2/1123:55
DEL
-
ONT
2 stops26h 08m
United Airlines
Sat 10/413:00
ONT
-
DEL
2 stops44h 00m
United Airlines
Deal found 1/6₹ 116,971
Wed 17/600:50
DEL
-
ONT
2 stops44h 30m
Delta
Mon 7/906:20
ONT
-
DEL
2 stops31h 05m
Delta
Deal found 4/6₹ 118,401
Wed 22/700:50
DEL
-
ONT
2 stops34h 32m
Delta
Thu 30/706:20
ONT
-
DEL
2 stops31h 05m
Delta
Deal found 3/6₹ 118,973
Fri 9/1003:25
DEL
-
ONT
2 stops27h 05m
Qatar Airways
Thu 12/1112:00
ONT
-
DEL
2 stops24h 40m
Qatar Airways
Deal found 1/6₹ 119,164
Tue 23/610:25
DEL
-
ONT
2 stops49h 16m
Qatar Airways
Wed 11/1119:10
ONT
-
DEL
2 stops47h 45m
Qatar Airways
Deal found 31/5₹ 119,926
Wed 11/1123:55
DEL
-
ONT
2 stops34h 56m
United Airlines
Tue 12/106:02
ONT
-
DEL
2 stops26h 18m
United Airlines
Deal found 5/6₹ 120,594

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 6 June 2026.

Return from

₹ 104,197

One-way from

₹ 62,633

Popular in

April

Cheapest in

November

Average price

₹ 103,339
Air Canada
  • Air Canada
  • 7/8-23/9
  • 4 total stops
  • 74h 15m total
  • New Delhi to Los Angeles
Search Deals
Delta
  • Delta
  • 15/9
  • 2 total stops
  • 35h 02m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 5,306 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,214 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 6 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

Wed 17/6

00:50-08:50

2 stops44h 30m

Ontario

Tue 8/9

07:00-22:50

2 stops27h 20m

₹ 102,386

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 11/11

23:55-21:21

2 stops34h 56m

Ontario

Tue 12/1

06:02-21:50

2 stops26h 18m

₹ 120,594

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 29/7

22:50-21:55

2 stops59h 35m

Ontario

Mon 17/8

06:00-21:30

2 stops27h 00m

₹ 127,744

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 18/7

03:25-20:32

2 stops29h 37m

Ontario

Wed 5/8

12:04-01:55

2 stops25h 21m

₹ 135,751

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 16/8

22:50-22:35

2 stops36h 15m

Ontario

Sun 23/8

06:00-21:30

2 stops27h 00m

₹ 152,339

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 23/6

23:35-21:55

2 stops34h 50m

Ontario

Tue 30/6

13:50-21:30

3 stops43h 10m

₹ 153,960

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 27/6

03:25-19:56

2 stops29h 01m

Ontario

Sun 30/8

12:00-01:55

2 stops25h 25m

₹ 159,394
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 9/7

03:25-19:59

2 stops29h 04m

Ontario

Wed 16/9

12:12-01:55

2 stops25h 13m

₹ 159,870

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 6/7

23:35-20:42

2 stops33h 37m

Ontario

Mon 28/12

13:00-21:55

2 stops43h 25m

₹ 165,018

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 30/6

23:35-21:55

2 stops34h 50m

Ontario

Tue 7/7

13:50-21:30

3 stops43h 10m

₹ 166,829

Flights are sorted by cheapest return flights first.

Deals found on 3/6

Showing 1-10 of 23 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 6 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
8,395 reviews
Check prices

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

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
8,395 reviews
Delta
7.9
Good
8,395 reviews
Check prices

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Crew

8.5

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 (21 hours 56 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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