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₹ 66,377+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
22 Apr — 29 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 23 March 2026.

Thu 25/602:05
DEL
-
ONT
2 stops47h 33m
Delta
Mon 13/713:42
ONT
-
DEL
2 stops45h 53m
Delta
Deal found 21/3₹ 98,444
Mon 1/611:10
DEL
-
ONT
2 stops36h 30m
Delta
Wed 11/1111:55
ONT
-
DEL
2 stops25h 10m
Delta
Deal found 20/3₹ 98,724
Tue 9/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 11/807:00
ONT
-
DEL
2 stops26h 00m
United Airlines
Deal found 22/3₹ 105,081
Sun 14/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 4/1106:02
ONT
-
DEL
2 stops26h 18m
United Airlines
Deal found 19/3₹ 110,317
Thu 25/602:05
DEL
-
ONT
2 stops47h 33m
Delta
Tue 14/709:40
ONT
-
DEL
2 stops49h 55m
Delta
Deal found 21/3₹ 114,617
Mon 4/521:30
DEL
-
ONT
2 stops37h 32m
Qatar Airways
Mon 11/519:59
ONT
-
DEL
2 stops41h 26m
Qatar Airways
Deal found 20/3₹ 118,824
Mon 11/521:30
DEL
-
ONT
2 stops37h 32m
Qatar Airways
Fri 31/721:13
ONT
-
DEL
2 stops41h 12m
Qatar Airways
Deal found 23/3₹ 120,694
Mon 15/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 7/706:30
ONT
-
DEL
2 stops26h 30m
United Airlines
Deal found 22/3₹ 122,096
Wed 10/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 8/705:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 20/3₹ 122,377
Mon 4/500:05
DEL
-
ONT
2 stops30h 25m
Multiple Airlines
Tue 12/500:10
ONT
-
DEL
2 stops35h 50m
Multiple Airlines
Deal found 21/3₹ 122,751
Mon 1/623:35
DEL
-
ONT
2 stops25h 42m
United Airlines
Tue 30/605:45
ONT
-
DEL
2 stops49h 35m
United Airlines
Deal found 22/3₹ 122,844
Sun 14/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 3/1106:02
ONT
-
DEL
2 stops26h 18m
United Airlines
Deal found 20/3₹ 124,808

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 23 March 2026.

Return from

₹ 91,993

One-way from

₹ 66,377

Popular in

August

Cheapest in

November

Average price

₹ 106,671
Finnair
  • Finnair
  • 27/6-14/7
  • 4 total stops
  • 59h 36m total
  • New Delhi to Los Angeles
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 31h 35m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,925 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,211 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 23 March 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 15/6

23:35-21:55

2 stops34h 50m

Ontario

Tue 7/7

06:30-21:30

2 stops26h 30m

₹ 122,096

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 10/6

23:35-21:55

2 stops34h 50m

Ontario

Wed 8/7

05:45-21:30

2 stops27h 15m

₹ 122,377

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 8/9

03:25-18:13

2 stops27h 18m

Ontario

Thu 8/10

12:00-02:55

2 stops26h 25m

₹ 125,368

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 14/6

23:35-21:55

2 stops34h 50m

Ontario

Sat 31/10

05:00-21:10

2 stops27h 40m

₹ 131,913

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 19/4

03:25-18:13

2 stops27h 18m

Ontario

Thu 8/10

12:00-02:55

2 stops26h 25m

₹ 140,046

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 1/6

23:35-17:28

2 stops30h 23m

Ontario

Wed 11/11

05:00-21:55

3 stops27h 25m

₹ 142,383

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 14/6

23:35-21:55

2 stops34h 50m

Ontario

Sun 1/11

06:02-21:50

2 stops26h 18m

₹ 142,851

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 17/4

03:25-23:46

2 stops32h 51m

Ontario

Sat 25/4

10:54-02:55

2 stops27h 31m

₹ 168,093

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 13/4

21:30-13:18

2 stops28h 18m

Ontario

Tue 21/4

10:33-01:55

2 stops26h 52m

₹ 168,654

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 17/4

23:35-17:47

2 stops30h 42m

Ontario

Sat 25/4

07:00-21:30

2 stops26h 00m

₹ 183,799

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 23 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 23 March 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
8,319 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

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
8,319 reviews
Delta
7.9
Good
8,319 reviews
Check prices

Boarding

8.1

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

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 (24 hours 25 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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