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₹ 54,143+ 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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
20 Mar — 27 Mar1
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 February 2026.

Tue 3/316:10
DEL
-
ONT
2 stops38h 10m
Multiple Airlines
Tue 14/700:45
ONT
-
DEL
2 stops30h 45m
Multiple Airlines
Deal found 18/2₹ 100,667
Tue 3/316:10
DEL
-
ONT
2 stops62h 10m
Multiple Airlines
Fri 10/700:45
ONT
-
DEL
2 stops48h 40m
Multiple Airlines
Deal found 18/2₹ 108,557
Fri 30/1023:20
DEL
-
ONT
2 stops26h 45m
American Airlines
Mon 2/1106:10
ONT
-
DEL
2 stops24h 55m
American Airlines
Deal found 15/2₹ 110,462
Sat 21/223:55
DEL
-
ONT
2 stops34h 59m
American Airlines
Mon 2/306:00
ONT
-
DEL
2 stops26h 05m
American Airlines
Deal found 17/2₹ 113,364
Mon 13/400:05
DEL
-
ONT
2 stops30h 25m
Multiple Airlines
Thu 16/400:10
ONT
-
DEL
3 stops34h 15m
Multiple Airlines
Deal found 16/2₹ 113,908
Tue 21/402:15
DEL
-
ONT
1 stop22h 35m
Multiple Airlines
Thu 30/406:00
ONT
-
DEL
1 stop24h 30m
Multiple Airlines
Deal found 17/2₹ 114,543
Tue 31/300:50
DEL
-
ONT
2 stops35h 31m
Delta
Wed 8/422:25
ONT
-
DEL
2 stops35h 55m
Delta
Deal found 15/2₹ 114,996

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 February 2026.

Return from

₹ 87,698

One-way from

₹ 51,603

Popular in

August

Cheapest in

November

Average price

₹ 95,135
Finnair
  • Finnair
  • 27/4-8/6
  • 2 total stops
  • 44h 00m total
  • New Delhi to Los Angeles
Search Deals
11/3
  • 11/3
  • 3 total stops
  • 51h 07m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,982 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,158 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 February 2026.
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

Tue 21/4

02:15-12:20

1 stop22h 35m

Ontario

Thu 30/4

06:00-19:00

1 stop24h 30m

₹ 114,634

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 31/3

02:15-12:20

1 stop22h 35m

Ontario

Sat 11/4

13:27-03:45

1 stop25h 48m

₹ 120,257

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 16/4

02:15-12:20

1 stop22h 35m

Ontario

Sat 18/4

06:00-19:00

1 stop24h 30m

₹ 120,982

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 16/7

22:50-22:28

2 stops36h 08m

Ontario

Wed 16/9

06:02-21:30

2 stops26h 58m

₹ 124,519

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 18/3

23:35-22:18

2 stops35h 13m

Ontario

Fri 17/4

06:05-21:30

2 stops26h 55m

₹ 129,054

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 9/5

02:15-12:22

1 stop22h 37m

Ontario

Mon 31/8

06:00-19:00

1 stop24h 30m

₹ 129,144

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 19/4

02:15-12:20

1 stop22h 35m

Ontario

Tue 1/9

06:00-19:00

1 stop24h 30m

₹ 131,684

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 9/5

10:50-22:59

1 stop24h 39m

Ontario

Sat 3/10

06:00-19:00

1 stop24h 30m

₹ 131,956

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 14/5

06:30-22:09

2 stops52h 09m

Ontario

Sat 23/5

23:25-04:50

2 stops40h 55m

₹ 135,221

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 3/4

00:05-22:26

2 stops34h 51m

Ontario

Thu 30/4

05:00-21:30

2 stops28h 00m

₹ 136,127

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Showing 1-10 of 21 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 18 February 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
8,208 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

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
8,208 reviews
Delta
7.9
Good
8,208 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.9

Overall

7.9

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 (20 hours 46 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?

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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