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₹ 46,865+ 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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2025

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 December 2025.

Thu 25/1201:30DEL - ONT
2 stops31h 50mDelta
Tue 17/213:15ONT - DEL
2 stops24h 45mDelta
Deal found 18/12₹ 88,029
Wed 24/1200:25DEL - ONT
2 stops58h 12mUnited Airlines
Sat 17/113:24ONT - DEL
2 stops42h 56mUnited Airlines
Deal found 16/12₹ 96,624
Sun 28/1201:30DEL - ONT
2 stops35h 54mDelta
Tue 17/213:15ONT - DEL
2 stops24h 45mDelta
Deal found 18/12₹ 98,162
Sun 28/1201:30DEL - ONT
2 stops35h 54mDelta
Sun 15/213:15ONT - DEL
2 stops24h 45mDelta
Deal found 18/12₹ 103,048
Tue 23/1223:55DEL - ONT
2 stops35h 27mUnited Airlines
Wed 4/206:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 15/12₹ 108,747
Tue 23/1223:55DEL - ONT
2 stops35h 27mUnited Airlines
Mon 9/205:05ONT - DEL
2 stops27h 15mUnited Airlines
Deal found 16/12₹ 114,085
Tue 23/1200:25DEL - ONT
2 stops58h 12mUnited Airlines
Tue 6/113:24ONT - DEL
2 stops43h 01mUnited Airlines
Deal found 16/12₹ 118,066
Wed 24/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Thu 29/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 15/12₹ 123,132
Wed 24/1223:30DEL - ONT
2 stops26h 38mUnited Airlines
Sat 31/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 15/12₹ 123,494
Fri 26/1223:55DEL - ONT
2 stops35h 27mUnited Airlines
Wed 7/108:00ONT - DEL
2 stops24h 20mUnited Airlines
Deal found 17/12₹ 129,556
Thu 25/1223:55DEL - ONT
2 stops35h 27mUnited Airlines
Sat 3/105:05ONT - DEL
2 stops27h 20mUnited Airlines
Deal found 16/12₹ 133,356
Mon 22/1223:55DEL - ONT
2 stops31h 18mUnited Airlines
Mon 5/105:05ONT - DEL
2 stops27h 25mUnited Airlines
Deal found 16/12₹ 140,684

Find flight deals to Ontario

Find the latest flights to Ontario in 2025, 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 December 2025.

Return from

₹ 83,596

One-way from

₹ 46,865

Popular in

August

Cheapest in

February

Average price

₹ 102,595
19/5-26/6
  • 19/5-26/6
  • 3 total stops
  • 53h 55m total
  • New Delhi to Los Angeles
Search Deals
19/1
  • 19/1
  • 3 total stops
  • 53h 30m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,693 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,217 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
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 December 2025.
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

Sun 28/12

01:30-23:54

2 stops35h 54m

Ontario

Tue 17/2

13:15-03:30

2 stops24h 45m

₹ 98,162

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 7/1

03:20-22:38

2 stops32h 48m

Ontario

Tue 17/2

13:15-03:30

2 stops24h 45m

₹ 117,614

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 13/1

23:30-12:47

2 stops26h 47m

Ontario

Tue 17/2

08:00-21:50

2 stops24h 20m

₹ 118,609

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 4/3

16:10-22:49

2 stops44h 09m

Ontario

Thu 27/8

06:00-01:55

2 stops31h 25m

₹ 120,690

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 3/4

00:05-12:38

2 stops49h 03m

Ontario

Sat 2/5

07:00-21:30

2 stops26h 00m

₹ 122,771

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 19/5

18:50-17:16

2 stops34h 56m

Ontario

Sun 28/6

07:00-17:10

2 stops45h 40m

₹ 125,666

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 3/3

03:20-16:02

2 stops26h 12m

Ontario

Mon 31/8

14:00-01:55

2 stops23h 25m

₹ 127,294

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 17/5

18:50-17:16

2 stops34h 56m

Ontario

Sun 28/6

07:00-17:10

2 stops45h 40m

₹ 129,827

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 13/1

23:30-20:58

2 stops34h 58m

Ontario

Sun 22/2

06:00-21:50

2 stops26h 20m

₹ 130,461

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 18/5

03:20-18:00

2 stops27h 10m

Ontario

Thu 25/6

00:10-18:15

2 stops29h 35m

₹ 133,808

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 24 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 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 December 2025.
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
8,005 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

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
8,005 reviews
Delta
7.9
Good
8,005 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

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 49 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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