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₹ 52,963+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
27 Feb — 6 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 28 January 2026.

Wed 20/523:35
DEL
-
ONT
2 stops30h 13m
United Airlines
Thu 12/1105:00
ONT
-
DEL
2 stops27h 20m
United Airlines
Deal found 26/1₹ 104,917
Tue 24/303:20
DEL
-
ONT
2 stops33h 01m
Delta
Wed 29/412:49
ONT
-
DEL
2 stops24h 36m
Delta
Deal found 26/1₹ 106,750
Fri 15/523:35
DEL
-
ONT
2 stops34h 53m
United Airlines
Sat 22/807:00
ONT
-
DEL
2 stops26h 00m
United Airlines
Deal found 26/1₹ 107,849
Mon 8/623:35
DEL
-
ONT
2 stops34h 35m
United Airlines
Mon 31/806:02
ONT
-
DEL
2 stops26h 58m
United Airlines
Deal found 28/1₹ 108,582
Tue 24/303:20
DEL
-
ONT
2 stops25h 38m
Delta
Tue 28/412:49
ONT
-
DEL
2 stops24h 36m
Delta
Deal found 26/1₹ 109,499
Thu 29/1003:20
DEL
-
ONT
2 stops31h 01m
British Airways
Mon 2/1112:55
ONT
-
DEL
2 stops26h 55m
British Airways
Deal found 25/1₹ 110,049
Tue 14/423:35
DEL
-
ONT
2 stops34h 45m
United Airlines
Thu 13/806:02
ONT
-
DEL
2 stops26h 58m
United Airlines
Deal found 27/1₹ 114,172
Mon 3/822:50
DEL
-
ONT
2 stops59h 01m
United Airlines
Tue 11/807:00
ONT
-
DEL
2 stops26h 00m
United Airlines
Deal found 25/1₹ 114,355
Tue 24/305:00
DEL
-
ONT
1 stop19h 48m
Multiple Airlines
Sat 25/413:27
ONT
-
DEL
1 stop25h 48m
Multiple Airlines
Deal found 26/1₹ 114,997
Thu 26/223:30
DEL
-
ONT
2 stops26h 43m
United Airlines
Mon 13/405:10
ONT
-
DEL
2 stops27h 50m
United Airlines
Deal found 28/1₹ 115,088
Thu 26/223:30
DEL
-
ONT
2 stops26h 43m
Air Canada
Mon 13/405:10
ONT
-
DEL
2 stops28h 30m
Air Canada
Deal found 26/1₹ 116,646

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 January 2026.

Return from

₹ 87,782

One-way from

₹ 52,963

Popular in

August

Cheapest in

November

Average price

₹ 105,650
Lufthansa
  • Lufthansa
  • 23/3-4/9
  • 3 total stops
  • 51h 47m total
  • New Delhi to Los Angeles
Search Deals
12/3
  • 12/3
  • 3 total stops
  • 44h 02m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 4,137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,200 potential savings vs. average return price).
Search Deals
Average for return flights in January 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 January 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

Thu 26/2

23:30-12:43

2 stops26h 43m

Ontario

Mon 13/4

05:10-21:30

2 stops27h 50m

₹ 115,088

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 26/2

23:30-12:43

2 stops26h 43m

Ontario

Mon 13/4

05:10-22:10

2 stops28h 30m

₹ 116,646

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 14/4

02:15-12:14

1 stop22h 29m

Ontario

Wed 30/9

06:00-18:25

1 stop23h 55m

₹ 126,542

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 28/5

18:50-17:16

2 stops34h 56m

Ontario

Wed 18/11

07:00-18:20

2 stops45h 50m

₹ 126,909

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 26/5

18:50-17:16

2 stops34h 56m

Ontario

Wed 25/11

07:00-18:20

2 stops45h 50m

₹ 126,909

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 26/5

18:50-17:16

2 stops34h 56m

Ontario

Wed 18/11

07:00-18:20

2 stops45h 50m

₹ 126,909

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 9/6

02:15-12:20

1 stop22h 35m

Ontario

Fri 4/9

06:00-18:25

1 stop23h 55m

₹ 129,383

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 9/6

02:15-12:20

1 stop22h 35m

Ontario

Sun 13/9

06:00-18:25

1 stop23h 55m

₹ 129,383

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 1/3

03:20-16:02

2 stops26h 12m

Ontario

Tue 14/4

11:53-01:55

2 stops25h 32m

₹ 129,932

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 31/5

18:50-17:16

2 stops34h 56m

Ontario

Fri 27/11

07:00-18:20

2 stops45h 50m

₹ 131,124

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 22 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 airlines flying from New Delhi to Ontario are Delta and KLM.

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 January 2026.
See what other customers who have flown with Delta and KLM 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
8,124 reviews
Check prices

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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
8,124 reviews
Delta
7.9
Good
8,124 reviews
Check prices

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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
KLM
7.7
Good
1,443 reviews
Delta
7.9
Good
8,124 reviews
Check prices

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Food

7.2

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 48 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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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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