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₹ 57,164+ 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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
15 Mar — 22 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 13 February 2026.

Mon 9/301:30
DEL
-
ONT
2 stops27h 28m
Delta
Thu 9/412:57
ONT
-
DEL
2 stops24h 28m
Delta
Deal found 11/2₹ 100,739
Tue 10/303:20
DEL
-
ONT
2 stops33h 01m
Delta
Thu 9/412:57
ONT
-
DEL
2 stops24h 28m
Delta
Deal found 11/2₹ 100,830
Wed 4/303:20
DEL
-
ONT
2 stops33h 59m
Delta
Sun 5/412:57
ONT
-
DEL
2 stops24h 28m
Delta
Deal found 12/2₹ 109,799
Fri 30/1023:20
DEL
-
ONT
2 stops30h 57m
American Airlines
Mon 2/1106:10
ONT
-
DEL
2 stops24h 55m
American Airlines
Deal found 11/2₹ 110,252
Mon 11/501:10
DEL
-
ONT
2 stops29h 20m
Multiple Airlines
Sun 12/700:45
ONT
-
DEL
2 stops31h 55m
Multiple Airlines
Deal found 10/2₹ 111,429
Sun 22/223:55
DEL
-
ONT
2 stops34h 59m
American Airlines
Mon 2/323:59
ONT
-
DEL
2 stops32h 06m
American Airlines
Deal found 12/2₹ 112,879
Wed 22/417:00
DEL
-
ONT
2 stops38h 07m
Qatar Airways
Thu 8/1012:00
ONT
-
DEL
2 stops25h 25m
Qatar Airways
Deal found 11/2₹ 119,039
Mon 9/303:20
DEL
-
ONT
2 stops26h 22m
KLM
Wed 8/412:57
ONT
-
DEL
2 stops24h 28m
KLM
Deal found 11/2₹ 121,576
Fri 10/423:35
DEL
-
ONT
2 stops34h 45m
United Airlines
Sat 25/705:55
ONT
-
DEL
2 stops27h 05m
United Airlines
Deal found 11/2₹ 123,750

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 13 February 2026.

Return from

₹ 87,603

One-way from

₹ 57,164

Popular in

August

Cheapest in

November

Average price

₹ 94,851
LOT
  • LOT
  • 14/6-7/7
  • 2 total stops
  • 83h 25m total
  • New Delhi to Los Angeles
Search Deals
20/4
  • 20/4
  • 2 total stops
  • 25h 00m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 4,114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,196 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 13 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

Mon 9/3

01:30-16:28

2 stops27h 28m

Ontario

Thu 9/4

12:57-01:55

2 stops24h 28m

₹ 100,739

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 4/3

03:20-23:49

2 stops33h 59m

Ontario

Sun 5/4

12:57-01:55

2 stops24h 28m

₹ 109,799

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 10/3

03:20-16:28

2 stops25h 38m

Ontario

Wed 8/4

12:57-01:55

2 stops24h 28m

₹ 121,576

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 21/4

02:15-12:14

1 stop22h 29m

Ontario

Thu 8/10

06:00-19:00

1 stop24h 30m

₹ 126,105

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 9/4

02:15-12:14

1 stop22h 29m

Ontario

Sat 25/7

13:33-03:45

1 stop25h 42m

₹ 130,997

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 12/5

03:20-18:00

2 stops27h 10m

Ontario

Mon 5/10

00:10-18:15

2 stops29h 35m

₹ 136,705

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 15/3

03:30-17:50

2 stops26h 50m

Ontario

Mon 6/4

00:10-20:55

2 stops32h 15m

₹ 144,043

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 9/6

03:20-18:00

2 stops27h 10m

Ontario

Thu 25/6

00:10-20:55

2 stops32h 15m

₹ 144,133

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 9/3

03:30-17:50

2 stops26h 50m

Ontario

Mon 6/4

00:10-20:55

2 stops32h 15m

₹ 144,133

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 18/5

04:20-18:47

2 stops26h 57m

Ontario

Tue 16/6

12:13-01:55

2 stops25h 12m

₹ 147,304

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 23 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 13 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
8,186 reviews
Check prices

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

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
7.9
Good
8,186 reviews
Delta
7.9
Good
8,186 reviews
Check prices

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

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 (19 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?

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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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