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₹ 54,880+ 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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
6 Apr — 13 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 7 March 2026.

Wed 6/500:50
DEL
-
ONT
2 stops28h 50m
Delta
Sat 30/513:35
ONT
-
DEL
2 stops31h 05m
Delta
Deal found 2/3₹ 91,773
Wed 20/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 26/805:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 6/3₹ 92,599
Fri 30/1007:50
DEL
-
ONT
2 stops50h 31m
Multiple Airlines
Mon 2/1114:59
ONT
-
DEL
2 stops49h 36m
Multiple Airlines
Deal found 2/3₹ 98,564
Thu 24/923:35
DEL
-
ONT
2 stops34h 16m
United Airlines
Mon 28/905:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 4/3₹ 102,052
Wed 20/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 15/905:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 3/3₹ 103,061
Fri 22/507:40
DEL
-
ONT
2 stops40h 00m
Multiple Airlines
Thu 4/616:03
ONT
-
DEL
2 stops48h 47m
Multiple Airlines
Deal found 2/3₹ 105,080
Wed 22/400:05
DEL
-
ONT
2 stops30h 25m
Multiple Airlines
Tue 5/500:10
ONT
-
DEL
3 stops34h 15m
Multiple Airlines
Deal found 4/3₹ 105,631
Mon 13/400:05
DEL
-
ONT
2 stops30h 25m
Multiple Airlines
Wed 29/400:10
ONT
-
DEL
2 stops34h 15m
Multiple Airlines
Deal found 6/3₹ 108,659

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 7 March 2026.

Return from

₹ 91,773

One-way from

₹ 54,880
Delta
  • Delta
  • 6/5-30/5
  • 4 total stops
  • 59h 55m total
  • New Delhi to Ontario
Search Deals
United Airlines
  • United Airlines
  • 18/6
  • 2 total stops
  • 34h 50m total
  • New Delhi to Ontario
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 7 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

Wed 20/5

23:35-21:55

2 stops34h 50m

Ontario

Wed 26/8

05:45-21:30

2 stops27h 15m

₹ 92,599

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 13/4

00:05-18:00

2 stops30h 25m

Ontario

Wed 29/4

00:10-22:05

3 stops33h 25m

₹ 111,412

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 6/6

00:05-12:12

1 stop24h 37m

Ontario

Mon 27/7

06:00-19:00

1 stop24h 30m

₹ 121,507

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 20/5

23:35-21:55

2 stops34h 50m

Ontario

Mon 15/6

06:30-21:30

2 stops26h 30m

₹ 128,390

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 20/5

23:35-21:55

2 stops34h 50m

Ontario

Sun 21/6

06:00-19:50

2 stops25h 20m

₹ 129,125

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sat 6/6

23:35-12:47

2 stops25h 42m

Ontario

Sun 26/7

06:30-21:30

2 stops26h 30m

₹ 130,042

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 31/3

02:15-12:20

1 stop22h 35m

Ontario

Wed 8/4

13:27-19:00

1 stop41h 03m

₹ 134,080

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 15/6

23:35-21:55

2 stops34h 50m

Ontario

Tue 7/7

05:00-21:30

2 stops28h 00m

₹ 134,539
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 24/5

02:15-12:12

1 stop22h 27m

Ontario

Wed 17/6

06:00-19:00

1 stop24h 30m

₹ 143,258

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/6

01:55-18:00

2 stops28h 35m

Ontario

Fri 10/7

00:45-18:15

2 stops29h 00m

₹ 144,542

Flights are sorted by cheapest return flights first.

Deals found on 6/3

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 7 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
8,271 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

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
8,271 reviews
Delta
7.9
Good
8,271 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Food

7.2

Comfort

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 30 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?

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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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