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₹ 54,251+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
25 mar. — 1 apr.1
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 23 februar 2026.

ti. 2/623:35
DEL
-
ONT
2 stops34h 50m
United Airlines
ti. 25/806:02
ONT
-
DEL
2 stops26h 58m
United Airlines
Deal found 22/2₹ 97,796
ti. 9/607:40
DEL
-
ONT
2 stops42h 03m
Multiple Airlines
ti. 30/612:02
ONT
-
DEL
2 stops28h 48m
Multiple Airlines
Deal found 22/2₹ 104,147
to. 5/301:30
DEL
-
ONT
2 stops35h 49m
Delta
on. 18/313:20
ONT
-
DEL
2 stops23h 20m
Delta
Deal found 21/2₹ 110,860
to. 19/303:20
DEL
-
ONT
2 stops33h 01m
Delta
ti. 28/412:49
ONT
-
DEL
2 stops24h 36m
Delta
Deal found 21/2₹ 110,951
fr. 17/405:30
DEL
-
ONT
2 stops25h 00m
Multiple Airlines
on. 29/400:10
ONT
-
DEL
2 stops30h 30m
Multiple Airlines
Deal found 22/2₹ 111,677
ti. 31/323:35
DEL
-
ONT
2 stops34h 45m
United Airlines
on. 29/406:05
ONT
-
DEL
2 stops26h 55m
United Airlines
Deal found 20/2₹ 113,128
ma. 23/320:55
DEL
-
ONT
3 stops33h 25m
Multiple Airlines
ma. 6/400:10
ONT
-
DEL
2 stops34h 15m
Multiple Airlines
Deal found 21/2₹ 114,670
ma. 13/402:15
DEL
-
ONT
1 stop22h 35m
Multiple Airlines
to. 30/406:00
ONT
-
DEL
1 stop24h 30m
Multiple Airlines
Deal found 23/2₹ 114,761
ma. 7/922:50
DEL
-
ONT
2 stops36h 06m
United Airlines
ti. 24/1107:00
ONT
-
DEL
2 stops49h 25m
United Airlines
Deal found 20/2₹ 115,487
fr. 30/1023:20
DEL
-
ONT
2 stops28h 05m
American Airlines
ma. 2/1106:20
ONT
-
DEL
2 stops24h 45m
American Airlines
Deal found 19/2₹ 115,759
lø. 25/423:30
DEL
-
ONT
2 stops35h 36m
American Airlines
to. 30/407:30
ONT
-
DEL
2 stops25h 00m
American Airlines
Deal found 23/2₹ 116,303

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 23 februar 2026.

Return from

₹ 87,817

One-way from

₹ 54,251

Popular in

August

Cheapest in

November

Average price

₹ 95,619
United Airlines
  • United Airlines
  • 4/6-26/8
  • 5 total stops
  • 54h 36m total
  • New Delhi to Los Angeles
Search Deals
8/5
  • 8/5
  • 2 total stops
  • 49h 00m total
  • New Delhi to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 3,886 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,156 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 23 februar 2026.
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

sø. 10/5

23:30-18:00

2 stops31h 00m

Ontario

sø. 30/8

00:45-18:15

2 stops29h 00m

₹ 137,078

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

on. 25/3

23:35-22:18

2 stops35h 13m

Ontario

ma. 13/4

06:05-21:30

2 stops26h 55m

₹ 140,253

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

on. 13/5

04:20-18:47

2 stops26h 57m

Ontario

lø. 6/6

12:04-01:55

2 stops25h 21m

₹ 153,771

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

sø. 22/3

03:30-17:50

2 stops26h 50m

Ontario

ma. 6/4

00:10-18:15

2 stops29h 35m

₹ 153,862

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

on. 11/3

03:30-17:50

2 stops26h 50m

Ontario

fr. 1/5

00:10-18:15

2 stops29h 35m

₹ 154,406

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

on. 27/5

04:20-18:47

2 stops26h 57m

Ontario

sø. 31/5

12:04-02:55

2 stops26h 21m

₹ 159,940

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

ti. 26/5

02:15-12:12

1 stop22h 27m

Ontario

sø. 31/5

06:00-19:00

1 stop24h 30m

₹ 174,636

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

on. 22/4

03:55-16:25

2 stops25h 00m

Ontario

on. 8/7

14:00-01:55

2 stops23h 25m

₹ 193,960

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

ma. 8/6

03:55-16:14

2 stops24h 49m

Ontario

fr. 24/7

14:00-01:55

2 stops23h 25m

₹ 224,170

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

ti. 2/6

01:40-18:00

2 stops28h 50m

Ontario

ti. 14/7

00:45-18:15

2 stops29h 00m

₹ 279,146

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 22 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 23 februar 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
8,236 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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
8,236 reviews
Delta
7.9
Good
8,236 reviews
Check prices

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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, Ahmedabad offers the quickest one-way flight (23 hours 36 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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