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₹ 54,273+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
9 Apr — 16 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 10 March 2026.

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₹ 92,974
Wed 22/407:40
DEL
-
ONT
2 stops52h 36m
Multiple Airlines
Wed 29/407:30
ONT
-
DEL
2 stops33h 20m
Multiple Airlines
Deal found 7/3₹ 99,055
Thu 23/407:40
DEL
-
ONT
2 stops52h 36m
Multiple Airlines
Thu 30/407:30
ONT
-
DEL
2 stops33h 20m
Multiple Airlines
Deal found 9/3₹ 101,543
Thu 24/923:35
DEL
-
ONT
2 stops34h 16m
United Airlines
Mon 28/905:00
ONT
-
DEL
2 stops28h 00m
United Airlines
Deal found 5/3₹ 102,925
Wed 10/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Thu 20/805:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 8/3₹ 107,809
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₹ 109,099
Wed 22/400:05
DEL
-
ONT
2 stops30h 25m
Multiple Airlines
Tue 5/500:10
ONT
-
DEL
3 stops34h 15m
Multiple Airlines
Deal found 7/3₹ 110,481

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 10 March 2026.

Return from

₹ 92,974

One-way from

₹ 55,195
United Airlines
  • United Airlines
  • 20/5-26/8
  • 4 total stops
  • 62h 05m total
  • New Delhi to Ontario
Search Deals
United Airlines
  • United Airlines
  • 8/5
  • 2 total stops
  • 30h 56m 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 10 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

Thu 28/5

23:35-20:42

2 stops33h 37m

Ontario

Fri 10/7

06:30-21:30

2 stops26h 30m

₹ 118,406

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/6

00:05-12:12

1 stop24h 37m

Ontario

Sun 26/7

06:00-19:00

1 stop24h 30m

₹ 124,487

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 13/4

02:15-12:20

1 stop22h 35m

Ontario

Tue 28/4

13:27-03:45

1 stop25h 48m

₹ 128,449
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 13/4

02:15-12:20

1 stop22h 35m

Ontario

Thu 30/4

06:00-19:00

1 stop24h 30m

₹ 131,767

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 22/4

03:20-18:00

2 stops27h 10m

Ontario

Tue 5/5

00:10-20:55

2 stops32h 15m

₹ 144,298

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 18/3

03:30-17:50

2 stops26h 50m

Ontario

Sun 18/10

00:10-20:55

2 stops32h 15m

₹ 149,550

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 3/4

18:50-17:13

2 stops34h 53m

Ontario

Tue 28/4

07:00-17:10

2 stops45h 40m

₹ 177,562

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 31/3

02:15-12:20

1 stop22h 35m

Ontario

Fri 1/5

06:00-19:00

1 stop24h 30m

₹ 178,023

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 18/3

21:15-18:13

2 stops33h 28m

Ontario

Sat 28/3

14:39-15:00

2 stops35h 51m

₹ 188,712

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 26/3

03:45-18:13

2 stops26h 58m

Ontario

Fri 10/4

10:59-01:55

2 stops26h 26m

₹ 204,837

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 24 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 10 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
8,276 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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
8,276 reviews
Delta
7.9
Good
8,276 reviews
Check prices

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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 17 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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