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₹ 55,397+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
16 Apr — 23 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 17 March 2026.

Wed 5/822:50
DEL
-
ONT
2 stops59h 35m
United Airlines
Wed 12/805:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 17/3₹ 105,070
Wed 20/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 16/905:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 12/3₹ 108,117
Wed 3/606:30
DEL
-
ONT
2 stops50h 45m
Turkish Airlines
Mon 14/922:56
ONT
-
DEL
2 stops41h 24m
Turkish Airlines
Deal found 14/3₹ 109,686
Fri 29/523:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Wed 8/705:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 12/3₹ 109,963
Thu 17/906:30
DEL
-
ONT
2 stops51h 29m
Turkish Airlines
Thu 24/922:56
ONT
-
DEL
2 stops41h 24m
Turkish Airlines
Deal found 13/3₹ 112,918
Thu 23/420:55
DEL
-
ONT
3 stops33h 35m
Multiple Airlines
Wed 29/400:10
ONT
-
DEL
2 stops30h 30m
Multiple Airlines
Deal found 14/3₹ 113,656
Mon 15/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
Tue 7/706:30
ONT
-
DEL
2 stops26h 30m
United Airlines
Deal found 12/3₹ 114,764
Wed 13/522:50
DEL
-
ONT
2 stops35h 38m
United Airlines
Wed 16/905:45
ONT
-
DEL
2 stops27h 15m
United Airlines
Deal found 13/3₹ 115,503
Thu 30/403:55
DEL
-
ONT
2 stops31h 12m
Delta
Sun 7/614:00
ONT
-
DEL
2 stops23h 25m
Delta
Deal found 14/3₹ 117,534
Tue 8/900:05
DEL
-
ONT
1 stop24h 37m
Multiple Airlines
Wed 30/906:00
ONT
-
DEL
1 stop25h 10m
Multiple Airlines
Deal found 15/3₹ 121,412

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 17 March 2026.

Return from

₹ 90,020

One-way from

₹ 56,505

Popular in

August

Cheapest in

November

Average price

₹ 105,347
Finnair
  • Finnair
  • 12/5-21/5
  • 3 total stops
  • 48h 47m total
  • New Delhi to Los Angeles
Search Deals
27/4
  • 27/4
  • 2 total stops
  • 24h 15m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,876 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,196 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 17 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

Mon 15/6

23:35-21:55

2 stops34h 50m

Ontario

Tue 7/7

06:30-21:30

3 stops26h 30m

₹ 124,366

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 22/4

03:20-18:00

2 stops27h 10m

Ontario

Tue 30/6

00:45-18:15

2 stops29h 00m

₹ 134,153

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 12/5

10:50-22:59

1 stop24h 39m

Ontario

Wed 13/5

06:00-19:40

1 stop25h 10m

₹ 174,408
Fastest return journey

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 16/4

02:15-12:20

1 stop22h 35m

Ontario

Sat 18/4

06:00-19:40

1 stop25h 10m

₹ 178,471

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 25/3

03:30-17:50

2 stops26h 50m

Ontario

Tue 2/6

00:10-18:15

2 stops29h 35m

₹ 199,060

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 17/4

02:15-12:20

1 stop22h 35m

Ontario

Fri 15/5

06:00-19:40

1 stop25h 10m

₹ 199,983

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 10/4

03:25-22:36

2 stops31h 41m

Ontario

Sun 26/4

10:39-01:55

2 stops26h 46m

₹ 207,370

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 1/4

04:20-18:13

2 stops26h 23m

Ontario

Fri 1/5

10:59-01:55

2 stops26h 26m

₹ 214,479

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 10/5

01:40-18:00

2 stops28h 50m

Ontario

Wed 27/5

00:10-18:15

2 stops29h 35m

₹ 275,323

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 24/3

03:30-17:50

2 stops26h 50m

Ontario

Wed 15/4

00:10-18:15

2 stops29h 35m

₹ 275,693

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 24 resultsSorted by cheapest first
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2
3

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 17 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
8,288 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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
8,288 reviews
Delta
7.9
Good
8,288 reviews
Check prices

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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 (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?

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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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