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₹ 63,766+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
17 Jun — 24 Jun1
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 May 2026.

Tue 19/503:55
DEL
-
ONT
2 stops25h 45m
KLM
Wed 12/812:55
ONT
-
DEL
2 stops24h 30m
KLM
Deal found 15/5₹ 104,519
Fri 22/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Sat 8/805:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 15/5₹ 104,711
Fri 29/508:20
DEL
-
ONT
2 stops28h 09m
British Airways
Sun 27/916:59
ONT
-
DEL
2 stops24h 31m
British Airways
Deal found 13/5₹ 109,985
Fri 22/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Sat 1/805:45
ONT
-
DEL
2 stops51h 15m
United Airlines
Deal found 14/5₹ 110,176
Mon 25/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 15/705:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 17/5₹ 111,423
Tue 26/503:55
DEL
-
ONT
2 stops31h 09m
Delta
Thu 6/812:55
ONT
-
DEL
2 stops24h 30m
Delta
Deal found 17/5₹ 116,409
Mon 19/1003:55
DEL
-
ONT
2 stops25h 52m
Delta
Tue 3/1113:00
ONT
-
DEL
2 stops24h 05m
Delta
Deal found 18/5₹ 116,505
Fri 22/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 3/618:30
ONT
-
DEL
2 stops38h 30m
United Airlines
Deal found 16/5₹ 116,793
Fri 22/523:35
DEL
-
ONT
2 stops58h 50m
United Airlines
Tue 23/618:39
ONT
-
DEL
2 stops36h 41m
United Airlines
Deal found 15/5₹ 117,847

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 May 2026.

Return from

₹ 96,368

One-way from

₹ 63,766

Popular in

August

Cheapest in

November

Average price

₹ 103,272
China Eastern
  • China Eastern
  • 30/10-30/11
  • 2 total stops
  • 63h 30m total
  • New Delhi to Los Angeles
Search Deals
Delta
  • Delta
  • 8/11
  • 2 total stops
  • 33h 58m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,875 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,324 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 May 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

Wed 14/10

03:25-18:00

2 stops27h 05m

Ontario

Tue 24/11

12:00-02:10

2 stops24h 40m

₹ 133,861

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 18/9

23:35-20:01

2 stops32h 56m

Ontario

Tue 22/9

06:00-21:30

2 stops27h 00m

₹ 138,943

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/6

03:55-17:05

2 stops25h 40m

Ontario

Thu 13/8

12:55-01:55

2 stops24h 30m

₹ 140,285

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 1/7

21:30-13:22

2 stops28h 22m

Ontario

Wed 30/9

12:10-01:55

2 stops25h 15m

₹ 145,463

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 23/6

21:30-13:28

2 stops28h 28m

Ontario

Tue 26/1

12:00-02:10

2 stops24h 40m

₹ 147,573

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 9/6

23:35-21:55

2 stops34h 50m

Ontario

Sun 14/6

18:30-21:30

2 stops38h 30m

₹ 154,381

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 23/7

23:35-21:55

2 stops34h 50m

Ontario

Thu 22/10

05:00-21:30

2 stops28h 00m

₹ 156,587
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 28/5

03:55-16:17

2 stops24h 52m

Ontario

Tue 11/8

12:55-01:55

2 stops24h 30m

₹ 157,641

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 3/7

23:35-12:47

2 stops49h 42m

Ontario

Thu 9/7

05:45-21:30

2 stops27h 15m

₹ 162,532

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 7/6

23:30-18:00

2 stops31h 00m

Ontario

Tue 23/6

00:10-18:15

2 stops29h 35m

₹ 175,668

Flights are sorted by cheapest return flights first.

Deals found on 16/5

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 May 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
8,447 reviews
Check prices

Food

7.2

Comfort

7.8

Entertainment

7.8

Crew

8.5

Boarding

8.1

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
8,447 reviews
Delta
7.9
Good
8,447 reviews
Check prices

Food

7.2

Comfort

7.8

Entertainment

7.8

Crew

8.5

Boarding

8.1

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 (25 hours 54 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?

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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