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₹ 54,425+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
30 Mar — 6 Apr1
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 28 February 2026.

Tue 9/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 28/706:30
ONT
-
DEL
2 stops26h 30m
United Airlines
Deal found 27/2₹ 97,837
Mon 1/607:40
DEL
-
ONT
2 stops62h 21m
Multiple Airlines
Thu 11/605:44
ONT
-
DEL
2 stops35h 06m
Multiple Airlines
Deal found 27/2₹ 104,299
Mon 20/420:55
DEL
-
ONT
3 stops33h 35m
Multiple Airlines
Sun 3/500:10
ONT
-
DEL
2 stops30h 30m
Multiple Airlines
Deal found 27/2₹ 106,119
Sun 12/400:05
DEL
-
ONT
2 stops30h 25m
Multiple Airlines
Tue 28/400:10
ONT
-
DEL
3 stops34h 15m
Multiple Airlines
Deal found 25/2₹ 109,942
Mon 9/320:55
DEL
-
ONT
3 stops33h 25m
Multiple Airlines
Thu 7/500:10
ONT
-
DEL
2 stops31h 10m
Multiple Airlines
Deal found 25/2₹ 112,126
Sat 6/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 28/706:30
ONT
-
DEL
2 stops26h 30m
United Airlines
Deal found 27/2₹ 113,673
Fri 30/1023:20
DEL
-
ONT
2 stops35h 01m
American Airlines
Mon 2/1106:20
ONT
-
DEL
2 stops24h 45m
American Airlines
Deal found 27/2₹ 116,313
Mon 9/301:30
DEL
-
ONT
2 stops47h 23m
Delta
Mon 20/407:00
ONT
-
DEL
2 stops30h 25m
Delta
Deal found 28/2₹ 117,951
Wed 11/303:20
DEL
-
ONT
2 stops44h 57m
Delta
Mon 20/407:00
ONT
-
DEL
2 stops30h 25m
Delta
Deal found 28/2₹ 118,042
Mon 8/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Mon 27/705:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 27/2₹ 118,406

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 28 February 2026.

Return from

₹ 87,826

One-way from

₹ 54,425

Popular in

August

Cheapest in

November

Average price

₹ 95,926
United Airlines
  • United Airlines
  • 27/4-2/5
  • 4 total stops
  • 57h 40m total
  • New Delhi to Los Angeles
Search Deals
United Airlines
  • United Airlines
  • 8/5
  • 2 total stops
  • 30h 56m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,898 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,160 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 28 February 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 23/3

03:20-16:28

2 stops25h 38m

Ontario

Mon 27/4

12:49-01:55

2 stops24h 36m

₹ 121,682

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 29/5

23:35-21:55

2 stops34h 50m

Ontario

Thu 11/6

05:00-19:50

3 stops26h 20m

₹ 128,417

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 6/4

02:15-12:20

1 stop22h 35m

Ontario

Mon 5/10

06:00-19:00

1 stop24h 30m

₹ 128,963

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 8/5

18:50-17:05

2 stops34h 45m

Ontario

Sat 25/7

07:00-17:10

2 stops45h 40m

₹ 139,156

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 18/3

03:30-17:50

2 stops26h 50m

Ontario

Sat 18/4

00:10-18:15

2 stops29h 35m

₹ 145,254

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 18/3

03:20-16:28

2 stops25h 38m

Ontario

Wed 13/5

13:35-01:55

2 stops23h 50m

₹ 163,366

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 10/5

03:55-17:10

2 stops25h 45m

Ontario

Mon 6/7

14:00-01:55

2 stops23h 25m

₹ 165,823

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 21/3

03:30-17:50

2 stops26h 50m

Ontario

Sat 18/4

00:10-18:15

2 stops29h 35m

₹ 174,287

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 31/3

03:55-16:28

2 stops25h 03m

Ontario

Thu 7/5

13:35-01:55

2 stops23h 50m

₹ 180,112

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 1/4

03:20-18:00

2 stops27h 10m

Ontario

Thu 1/10

00:10-18:15

2 stops29h 35m

₹ 180,203

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 24 resultsSorted by cheapest first
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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 28 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
8,244 reviews
Check prices

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

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
8,244 reviews
Delta
7.9
Good
8,244 reviews
Check prices

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

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?

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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