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, Bangalore offers the quickest one-way flight (26 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).

What are the most popular airlines that fly to Ontario?

The most popular airline flying from New Delhi to Ontario is Delta.

How long is the flight to Ontario?

On average, a flight from New Delhi to Ontario takes 29 hours 22 minutes. Flights to Ontario from other popular cities in India will vary in length. Below are a few examples of popular routes and their flight times.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

₹ 50,329+ Cheap Flights to Ontario, California

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 29 August 2026.

Sat 10/1023:35 -

2 stops34h 54m

Sat 6/318:53 -

2 stops38h 22m

Deal found 25/8₹ 103,427

Wed 21/1023:35 -

2 stops34h 54m

Wed 17/206:00 -

2 stops27h 15m

Deal found 24/8₹ 103,523

Tue 22/923:35 -

2 stops31h 11m

Tue 29/906:00 -

2 stops27h 00m

Deal found 26/8₹ 103,618

Thu 1/1023:35 -

2 stops34h 54m

Thu 7/105:00 -

2 stops27h 20m

Deal found 25/8₹ 108,393

Wed 23/1200:30 -

2 stops35h 41m

Thu 7/105:00 -

2 stops27h 20m

Deal found 25/8₹ 108,680

Wed 16/923:35 -

2 stops34h 54m

Tue 3/1105:00 -

2 stops27h 20m

Deal found 25/8₹ 108,871

Mon 21/923:35 -

2 stops32h 56m

Tue 20/1006:00 -

2 stops27h 00m

Deal found 25/8₹ 115,460

Mon 21/923:35 -

2 stops32h 56m

Mon 28/906:00 -

2 stops27h 00m

Deal found 24/8₹ 115,556

Wed 30/923:35 -

2 stops34h 54m

Fri 22/105:00 -

2 stops28h 15m

Deal found 27/8₹ 116,224

Tue 15/916:10 -

2 stops39h 23m

Wed 24/206:00 -

2 stops36h 50m

Deal found 27/8₹ 116,988

Thu 24/1203:45 -

2 stops29h 48m

Sun 17/106:00 -

2 stops26h 05m

Deal found 26/8₹ 118,039

Tue 6/1003:25 -

2 stops27h 05m

Wed 21/1011:13 -

2 stops33h 12m

Deal found 27/8₹ 121,572

Find flight deals to Ontario

Return from	₹ 94,354
One-way from	₹ 50,329
Popular in	April
Cheapest in	November
Average price	₹ 117,466

EVA Air
13/2-17/2
4 total stops
55h 15m total
New Delhi to Los Angeles

Search Deals

16/9
3 total stops
31h 27m total
New Delhi to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (₹ 5,283 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (₹ 1,151 potential savings vs. average return price).

Search Deals

Average for return flights in August 2026

Search Deals

Fly from

Route

Depart

Return

Price

Cheapest return flight

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Fri 19/2

23:55-20:48

2 stops34h 23m

Ontario

Tue 23/2

16:59-21:35

2 stops39h 06m

₹ 110,876

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Thu 18/2

00:30-20:20

3 stops57h 20m

Ontario

Tue 23/2

06:45-21:50

2 stops25h 35m

₹ 115,747

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Fri 6/11

23:55-21:40

2 stops35h 15m

Ontario

Fri 5/2

05:00-22:45

2 stops28h 15m

₹ 116,224

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Wed 16/9

23:35-21:59

2 stops34h 54m

Ontario

Wed 21/10

05:00-21:30

2 stops28h 00m

₹ 130,549

Fastest return journey

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Mon 14/12

04:25-12:20

1 stop21h 25m

Ontario

Mon 15/2

06:00-20:25

2 stops24h 55m

₹ 150,795

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Sun 11/10

03:10-15:22

1 stop24h 42m

Ontario

Thu 15/10

06:07-20:15

2 stops25h 38m

₹ 160,918

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Thu 5/11

04:25-12:29

1 stop21h 34m

Ontario

Fri 5/2

06:00-20:25

2 stops24h 55m

₹ 167,699

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Wed 11/11

03:20-16:24

2 stops26h 34m

Ontario

Wed 6/1

12:00-01:10

2 stops23h 40m

₹ 429,275

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Thu 12/11

03:20-16:24

2 stops26h 34m

Ontario

Wed 6/1

12:00-01:10

2 stops23h 40m

₹ 429,275

New DelhiOntario

DEL New Delhi Indira Gandhi Intl - ONT Ontario

DELONT

New Delhi Indira Gandhi Intl

Thu 10/9

18:50-22:40

2 stops40h 20m

Ontario

Tue 3/11

06:20-18:20

2 stops46h 30m

₹ 488,676

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 23 resultsSorted by cheapest first

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.

DEL-ONT

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

Airlines

The cheapest airline flying from New Delhi to Ontario is Delta.

Reviews of airlines servicing Ontario

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

7.8

Good

8,538 reviews

Check prices

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

7.8

Good

8,538 reviews

Delta

7.8

Good

8,538 reviews

Check prices

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, Bangalore offers the quickest one-way flight (26 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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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.

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₹ 50,329+ 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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Ontario in 2026

Cheapest flights to OntarioExplore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 29 August 2026.

Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 29 August 2026.

Best flights to OntarioDiscover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Discover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Last-minute flights to OntarioDiscover last-minute flight deals to Ontario. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute flight deals to Ontario. Data last updated 29 August 2026 and is based on user searches.

One-way flights to OntarioSearch for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Search for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

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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.

Cheapflights Insights

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from New Delhi to Ontario is Delta.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

How long is the flight to Ontario?

On average, a flight from New Delhi to Ontario takes 29 hours 22 minutes. Flights to Ontario from other popular cities in India will vary in length. Below are a few examples of popular routes and their flight times.

Reviews of airlines servicing Ontario

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.

FAQs about flying to Ontario

What airport do you fly into for flights to Ontario?

Can I find cheaper flights to Ontario if I am willing to have stopovers?

What is the best airline to fly to Ontario?

Where does the fastest flight to Ontario depart from?

Does Ontario have rental cars?

Are there hotels close to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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Can Cheapflights find flights to Ontario with no change fees?

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

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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 29 August 2026.

Best flights to Ontario
Discover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 29 August 2026 and is based on user searches.

One-way flights to Ontario
Search for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.