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₹ 60,314+ 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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
17 Aug — 24 Aug1
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 July 2026.

Wed 4/1123:55
DEL
-
ONT
2 stops35h 25m
United Airlines
Thu 4/305:00
ONT
-
DEL
2 stops27h 20m
United Airlines
Deal found 14/7₹ 96,829
Mon 21/923:35
DEL
-
ONT
2 stops26h 56m
United Airlines
Wed 10/306:00
ONT
-
DEL
2 stops26h 20m
United Airlines
Deal found 13/7₹ 97,311
Wed 4/1123:55
DEL
-
ONT
2 stops35h 25m
United Airlines
Thu 18/206:00
ONT
-
DEL
2 stops26h 20m
United Airlines
Deal found 14/7₹ 101,550
Fri 2/1023:35
DEL
-
ONT
2 stops34h 54m
United Airlines
Fri 23/1005:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 13/7₹ 102,128
Thu 29/1003:20
DEL
-
ONT
2 stops32h 56m
Delta
Wed 20/112:00
ONT
-
DEL
2 stops23h 40m
Delta
Deal found 17/7₹ 103,766
Thu 23/723:30
DEL
-
ONT
2 stops32h 59m
American Airlines
Mon 3/805:34
ONT
-
DEL
2 stops26h 56m
American Airlines
Deal found 17/7₹ 104,633
Thu 20/823:35
DEL
-
ONT
2 stops35h 30m
United Airlines
Thu 27/805:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 12/7₹ 107,428
Thu 23/723:30
DEL
-
ONT
2 stops32h 59m
American Airlines
Sun 2/822:10
ONT
-
DEL
2 stops34h 20m
American Airlines
Deal found 17/7₹ 109,354
Thu 27/823:30
DEL
-
ONT
2 stops31h 15m
American Airlines
Thu 3/906:00
ONT
-
DEL
2 stops26h 30m
American Airlines
Deal found 13/7₹ 110,125
Tue 8/923:35
DEL
-
ONT
2 stops35h 54m
United Airlines
Sat 16/106:00
ONT
-
DEL
2 stops26h 20m
United Airlines
Deal found 17/7₹ 111,570
Wed 26/823:35
DEL
-
ONT
2 stops34h 54m
United Airlines
Thu 17/905:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 13/7₹ 112,245
Tue 1/923:35
DEL
-
ONT
2 stops31h 11m
United Airlines
Wed 16/913:18
ONT
-
DEL
2 stops43h 42m
United Airlines
Deal found 14/7₹ 113,594

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 18 July 2026.

Return from

₹ 109,354

One-way from

₹ 60,314

Popular in

April

Cheapest in

November

Average price

₹ 114,076
China Eastern
  • China Eastern
  • 24/8-11/2
  • 2 total stops
  • 67h 25m total
  • New Delhi to Los Angeles
Search Deals
United Airlines
  • United Airlines
  • 27/9
  • 2 total stops
  • 34h 54m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 5,114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (₹ 994 potential savings vs. average return price).
Search Deals
Average for return flights in July 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 July 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

Mon 10/8

23:35-20:53

2 stops33h 48m

Ontario

Fri 21/8

19:13-21:30

2 stops37h 47m

₹ 123,518

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 27/7

23:35-20:42

2 stops33h 37m

Ontario

Mon 17/8

06:08-21:30

2 stops26h 52m

₹ 128,431

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 20/8

23:35-22:35

2 stops35h 30m

Ontario

Wed 6/1

05:00-21:50

2 stops27h 20m

₹ 133,730

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 4/8

23:35-21:55

2 stops34h 50m

Ontario

Tue 18/8

05:00-21:30

2 stops28h 00m

₹ 133,923

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 9/8

23:35-12:40

2 stops25h 35m

Ontario

Mon 17/8

19:13-21:30

2 stops37h 47m

₹ 134,308

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 31/7

23:35-22:51

2 stops35h 46m

Ontario

Mon 7/12

18:53-21:55

2 stops37h 32m

₹ 144,714

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 15/8

23:35-21:59

2 stops34h 54m

Ontario

Sat 22/8

08:00-21:30

2 stops25h 00m

₹ 145,967

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 20/8

23:35-22:35

2 stops35h 30m

Ontario

Thu 27/8

07:00-21:30

2 stops26h 00m

₹ 145,967

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 3/8

23:35-20:42

2 stops33h 37m

Ontario

Mon 21/12

23:59-22:00

2 stops56h 31m

₹ 162,346

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 31/7

23:35-20:42

2 stops33h 37m

Ontario

Wed 9/12

05:00-21:55

2 stops27h 25m

₹ 172,269

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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 18 July 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
7.8
Good
8,478 reviews
Check prices

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

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
7.8
Good
8,478 reviews
Delta
7.8
Good
8,478 reviews
Check prices

Comfort

7.8

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

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 (25 hours 42 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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