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₹ 54,651+ 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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
19 Jul — 26 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 19 June 2026.

Sun 27/923:35
DEL
-
ONT
2 stops34h 54m
United Airlines
Wed 14/1005:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 16/6₹ 98,636
Mon 28/923:30
DEL
-
ONT
2 stops35h 37m
American Airlines
Fri 2/1013:05
ONT
-
DEL
2 stops67h 25m
American Airlines
Deal found 18/6₹ 101,185
Thu 25/611:10
DEL
-
ONT
2 stops36h 37m
Delta
Tue 8/918:00
ONT
-
DEL
2 stops26h 40m
Delta
Deal found 19/6₹ 104,016
Tue 7/723:35
DEL
-
ONT
2 stops58h 50m
United Airlines
Fri 27/1107:00
ONT
-
DEL
2 stops49h 20m
United Airlines
Deal found 16/6₹ 105,432
Mon 6/723:35
DEL
-
ONT
2 stops58h 50m
United Airlines
Fri 17/713:50
ONT
-
DEL
3 stops43h 10m
United Airlines
Deal found 15/6₹ 107,037
Sun 4/1023:35
DEL
-
ONT
2 stops34h 54m
United Airlines
Wed 14/1005:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 16/6₹ 108,547
Thu 2/723:35
DEL
-
ONT
2 stops35h 46m
United Airlines
Sun 5/705:45
ONT
-
DEL
2 stops51h 15m
United Airlines
Deal found 19/6₹ 111,001
Thu 13/800:50
DEL
-
ONT
2 stops34h 25m
Delta
Tue 29/911:59
ONT
-
DEL
2 stops25h 26m
Delta
Deal found 16/6₹ 113,078
Thu 13/800:50
DEL
-
ONT
2 stops34h 25m
Delta
Mon 28/909:45
ONT
-
DEL
2 stops27h 40m
Delta
Deal found 16/6₹ 113,172

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 19 June 2026.

Return from

₹ 105,621

One-way from

₹ 54,651

Popular in

April

Cheapest in

November

Average price

₹ 108,169
United Airlines
  • United Airlines
  • 7/7-13/1
  • 3 total stops
  • 74h 20m total
  • New Delhi to Los Angeles
Search Deals
United Airlines
  • United Airlines
  • 21/9
  • 2 total stops
  • 33h 48m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (₹ 6,016 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,066 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 19 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

Tue 11/8

03:55-22:45

2 stops31h 20m

Ontario

Wed 30/9

11:59-01:55

2 stops25h 26m

₹ 117,986

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 16/7

23:35-21:55

2 stops34h 50m

Ontario

Tue 13/10

06:00-21:30

2 stops27h 00m

₹ 130,634
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 10/9

21:30-13:25

2 stops28h 25m

Ontario

Wed 30/9

12:12-01:55

2 stops25h 13m

₹ 145,075

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 16/7

06:30-22:44

2 stops28h 44m

Ontario

Sun 2/8

23:58-04:50

2 stops40h 22m

₹ 165,558

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 16/7

23:35-21:55

2 stops34h 50m

Ontario

Mon 28/12

13:00-21:55

2 stops43h 25m

₹ 171,315

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 7/8

23:35-21:55

2 stops34h 50m

Ontario

Tue 6/10

06:00-21:30

2 stops27h 00m

₹ 171,504

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 8/7

21:30-13:22

2 stops28h 22m

Ontario

Sun 27/12

10:50-02:10

2 stops25h 50m

₹ 180,188

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 22/7

23:35-20:42

2 stops33h 37m

Ontario

Mon 28/12

06:00-21:50

2 stops26h 20m

₹ 182,925

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 17/7

23:35-21:55

2 stops34h 50m

Ontario

Mon 28/12

13:00-21:55

2 stops43h 25m

₹ 196,800

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 19/7

18:50-22:52

2 stops40h 32m

Ontario

Wed 12/8

06:00-17:10

2 stops46h 40m

₹ 205,484

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 22 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 19 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
7.8
Good
8,416 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

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
8,416 reviews
Delta
7.8
Good
8,416 reviews
Check prices

Comfort

7.8

Crew

8.5

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

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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Fly with Cheapflights

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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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