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₹ 54,136+ 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 28/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
9 Jan — 16 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 10 December 2025.

Fri 19/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Sun 11/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 7/12₹ 96,311
Wed 24/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Tue 31/305:10ONT - DEL
2 stops27h 50mUnited Airlines
Deal found 8/12₹ 96,581
Tue 23/1203:20DEL - ONT
2 stops30h 00mDelta
Wed 1/411:59ONT - DEL
2 stops25h 26mDelta
Deal found 8/12₹ 97,031
Tue 23/1203:20DEL - ONT
2 stops30h 00mDelta
Mon 30/311:59ONT - DEL
2 stops25h 26mDelta
Deal found 8/12₹ 97,121
Fri 19/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Sat 10/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 8/12₹ 101,527
Sun 28/1200:25DEL - ONT
2 stops49h 43mUnited Airlines
Wed 28/108:00ONT - DEL
2 stops24h 20mUnited Airlines
Deal found 8/12₹ 108,631
Thu 11/1223:55DEL - ONT
2 stops35h 24mUnited Airlines
Mon 12/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 8/12₹ 113,577
Thu 25/1200:25DEL - ONT
2 stops58h 12mUnited Airlines
Thu 2/405:10ONT - DEL
2 stops28h 30mUnited Airlines
Deal found 8/12₹ 113,847
Sun 28/1206:15DEL - ONT
2 stops30h 38mDelta
Tue 27/112:41ONT - DEL
2 stops50h 04mDelta
Deal found 8/12₹ 116,725
Sun 28/1206:15DEL - ONT
2 stops41h 15mDelta
Sun 25/106:00ONT - DEL
2 stops32h 00mDelta
Deal found 8/12₹ 116,815
Sun 28/1206:15DEL - ONT
2 stops30h 38mDelta
Mon 26/113:10ONT - DEL
2 stops44h 50mDelta
Deal found 8/12₹ 121,581
Sat 27/1200:25DEL - ONT
2 stops35h 30mUnited Airlines
Fri 30/106:00ONT - DEL
2 stops26h 20mUnited Airlines
Deal found 8/12₹ 122,930

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 10 December 2025.

Return from

₹ 80,214

One-way from

₹ 54,136

Popular in

August

Cheapest in

February

Average price

₹ 101,977
Cathay Pacific
  • Cathay Pacific
  • 21/12-9/2
  • 2 total stops
  • 65h 40m total
  • New Delhi to Los Angeles
Search Deals
United Airlines
  • United Airlines
  • 28/12
  • 2 total stops
  • 34h 42m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,686 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,195 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 10 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

Tue 3/2

01:30-16:15

2 stops28h 15m

Ontario

Mon 23/2

13:15-04:15

2 stops25h 30m

₹ 87,319

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 3/2

01:30-21:05

2 stops33h 05m

Ontario

Tue 3/3

22:20-04:15

2 stops40h 25m

₹ 87,319

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 3/2

01:30-12:16

2 stops48h 16m

Ontario

Wed 25/2

06:00-01:10

2 stops29h 40m

₹ 87,409

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 3/2

01:30-16:15

2 stops28h 15m

Ontario

Fri 6/3

17:00-01:10

2 stops42h 40m

₹ 87,409

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 5/2

03:20-11:31

2 stops45h 41m

Ontario

Wed 4/3

13:15-04:15

2 stops25h 30m

₹ 87,499

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 5/2

03:20-11:31

2 stops45h 41m

Ontario

Tue 3/3

22:20-04:15

2 stops40h 25m

₹ 87,499

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 2/2

03:20-21:05

2 stops31h 15m

Ontario

Tue 24/2

13:15-03:30

2 stops24h 45m

₹ 87,588

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 1/2

01:30-12:16

2 stops48h 16m

Ontario

Thu 5/3

22:20-01:10

2 stops37h 20m

₹ 92,265

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 4/2

03:20-21:05

2 stops31h 15m

Ontario

Fri 6/3

22:20-01:10

2 stops37h 20m

₹ 92,444

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 24/12

00:25-22:25

2 stops35h 30m

Ontario

Tue 31/3

05:10-21:30

2 stops27h 50m

₹ 96,581

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 24 results
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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 10 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
8,007 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

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 (26 hours 22 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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