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, Hyderabad Rajiv Gandhi Intl offers the quickest one-way flight (26 hours 18 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 airlines flying from New Delhi to Ontario are Delta and KLM.

How long is the flight to Ontario?

On average, a flight from New Delhi to Ontario takes 26 hours 57 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).

₹ 54,024+ Cheap Flights to Ontario, California

Flights to Ontario in 2025

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 30 December 2025.

Tue 30/1203:30DEL - ONT

2 stops26h 50mMultiple Airlines

Thu 5/222:50ONT - DEL

2 stops30h 10mMultiple Airlines

Deal found 29/12₹ 230,390

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 30 December 2025.

Tue 3/201:30DEL - ONT

2 stops28h 15mDelta

Sun 1/315:30ONT - DEL

2 stops47h 15mDelta

Deal found 28/12₹ 87,374

Wed 21/123:55DEL - ONT

2 stops31h 18mUnited Airlines

Tue 10/208:00ONT - DEL

2 stops48h 20mUnited Airlines

Deal found 29/12₹ 91,689

Thu 22/105:29DEL - ONT

2 stops29h 06mDelta

Sun 22/313:20ONT - DEL

2 stops45h 40mDelta

Deal found 29/12₹ 87,464

Sun 25/123:30DEL - ONT

2 stops34h 58mUnited Airlines

Tue 24/306:00ONT - DEL

2 stops26h 30mUnited Airlines

Deal found 29/12₹ 92,318

Tue 20/101:30DEL - ONT

2 stops28h 15mDelta

Sat 21/322:25ONT - DEL

2 stops38h 15mDelta

Deal found 29/12₹ 87,464

Thu 22/105:29DEL - ONT

2 stops29h 06mDelta

Mon 23/322:25ONT - DEL

2 stops36h 35mDelta

Deal found 29/12₹ 87,464

Mon 19/101:30DEL - ONT

2 stops47h 31mDelta

Sat 7/213:11ONT - DEL

2 stops44h 49mDelta

Deal found 29/12₹ 92,228

Tue 20/101:30DEL - ONT

2 stops28h 15mDelta

Sat 7/213:11ONT - DEL

2 stops44h 49mDelta

Deal found 29/12₹ 92,228

Wed 4/201:30DEL - ONT

2 stops34h 44mDelta

Sun 1/307:30ONT - DEL

2 stops26h 30mDelta

Deal found 28/12₹ 92,228

Tue 20/101:30DEL - ONT

2 stops28h 15mDelta

Sun 8/222:30ONT - DEL

2 stops61h 10mDelta

Deal found 29/12₹ 92,318

Mon 19/101:30DEL - ONT

2 stops57h 05mDelta

Wed 4/206:00ONT - DEL

2 stops29h 40mDelta

Deal found 29/12₹ 92,318

Wed 21/103:20DEL - ONT

2 stops26h 25mDelta

Sat 7/213:11ONT - DEL

2 stops44h 49mDelta

Deal found 29/12₹ 92,318

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 30 December 2025 and is based on user searches.

Mon 19/101:30DEL - ONT

2 stops47h 31mDelta

Sun 22/322:25ONT - DEL

2 stops41h 20mDelta

Deal found 29/12₹ 87,374

Mon 19/101:30DEL - ONT

2 stops57h 05mDelta

Wed 4/206:00ONT - DEL

2 stops29h 40mDelta

Deal found 29/12₹ 92,318

Tue 20/105:29DEL - ONT

2 stops53h 06mDelta

Sun 22/222:20ONT - DEL

2 stops40h 25mDelta

Deal found 29/12₹ 87,464

Tue 20/105:29DEL - ONT

2 stops53h 06mDelta

Wed 25/206:00ONT - DEL

2 stops29h 40mDelta

Deal found 29/12₹ 87,554

Tue 20/123:55DEL - ONT

2 stops31h 18mUnited Airlines

Tue 10/208:00ONT - DEL

2 stops48h 20mUnited Airlines

Deal found 29/12₹ 91,689

Wed 21/103:20DEL - ONT

2 stops26h 25mDelta

Mon 9/213:11ONT - DEL

2 stops46h 29mDelta

Deal found 29/12₹ 92,408

Wed 21/103:20DEL - ONT

2 stops31h 15mDelta

Wed 4/206:00ONT - DEL

2 stops29h 40mDelta

Deal found 29/12₹ 92,498

Wed 21/123:55DEL - ONT

2 stops31h 18mUnited Airlines

Fri 6/206:00ONT - DEL

2 stops26h 20mUnited Airlines

Deal found 29/12₹ 96,363

Fri 23/106:15DEL - ONT

2 stops42h 46mDelta

Tue 24/306:00ONT - DEL

2 stops29h 00mDelta

Deal found 29/12₹ 92,228

Fri 23/123:55DEL - ONT

2 stops31h 26mUnited Airlines

Fri 6/206:00ONT - DEL

2 stops26h 20mUnited Airlines

Deal found 29/12₹ 96,992

Sun 25/106:15DEL - ONT

2 stops47h 30mDelta

Sun 22/322:25ONT - DEL

2 stops36h 35mDelta

Deal found 29/12₹ 93,396

Sun 25/106:15DEL - ONT

2 stops47h 30mDelta

Sat 21/306:00ONT - DEL

2 stops30h 40mDelta

Deal found 29/12₹ 93,486

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 30 December 2025.

Tue 27/123:55DEL - ONT

2 stops31h 18mUnited Airlines

Deal found 29/12₹ 54,024

Tue 3/223:55DEL - ONT

2 stops35h 34mUnited Airlines

Deal found 29/12₹ 54,474

Wed 25/207:50DEL - ONT

2 stops52h 09mMultiple Airlines

Deal found 29/12₹ 58,699

Sun 1/323:30DEL - ONT

3 stops29h 50mMultiple Airlines

Deal found 30/12₹ 58,878

Wed 21/123:55DEL - ONT

2 stops31h 18mUnited Airlines

Deal found 29/12₹ 59,777

Wed 17/623:35DEL - ONT

2 stops34h 16mUnited Airlines

Deal found 30/12₹ 60,227

Fri 30/123:55DEL - ONT

2 stops35h 33mUnited Airlines

Deal found 29/12₹ 60,317

Thu 22/123:30DEL - ONT

3 stops50h 17mUnited Airlines

Deal found 29/12₹ 60,407

Sun 25/123:30DEL - ONT

2 stops34h 58mAir Canada

Deal found 29/12₹ 60,766

Fri 16/100:15DEL - ONT

2 stops29h 05mMultiple Airlines

Deal found 29/12₹ 61,126

Fri 24/421:55DEL - ONT

2 stops29h 07mMultiple Airlines

Deal found 28/12₹ 62,474

Find flight deals to Ontario

Return from	₹ 86,655
One-way from	₹ 54,024
Popular in	August
Cheapest in	February
Average price	₹ 101,846

British Airways
17/2-3/3
4 total stops
61h 26m total
New Delhi to Los Angeles

Search Deals

United Airlines
27/1
2 total stops
31h 18m total
New Delhi to Ontario

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (₹ 3,647 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (₹ 1,177 potential savings vs. average return price).

Search Deals

Average for return flights in December 2025

Search Deals

Fly from

Route

Depart

Return

Price

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 3/2

01:30-16:15

2 stops28h 15m

Ontario

Sun 1/3

15:30-04:15

2 stops47h 15m

₹ 87,374

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 22/1

05:29-21:05

2 stops29h 06m

Ontario

Sun 22/3

13:20-23:30

2 stops45h 40m

₹ 87,464

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 20/1

01:30-16:15

2 stops28h 15m

Ontario

Sat 21/3

22:25-01:10

2 stops38h 15m

₹ 87,464

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 22/1

05:29-21:05

2 stops29h 06m

Ontario

Mon 23/3

22:25-23:30

2 stops36h 35m

₹ 87,464

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 21/1

23:55-17:43

2 stops31h 18m

Ontario

Tue 10/2

08:00-21:50

2 stops48h 20m

₹ 91,689

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 19/1

01:30-11:31

2 stops47h 31m

Ontario

Sat 7/2

13:11-23:30

2 stops44h 49m

₹ 92,228

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 20/1

01:30-16:15

2 stops28h 15m

Ontario

Sat 7/2

13:11-23:30

2 stops44h 49m

₹ 92,228

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 4/2

01:30-22:44

2 stops34h 44m

Ontario

Sun 1/3

07:30-23:30

2 stops26h 30m

₹ 92,228

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Sun 25/1

23:30-20:58

2 stops34h 58m

Ontario

Tue 24/3

06:00-21:00

2 stops26h 30m

₹ 92,318

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 20/1

01:30-16:15

2 stops28h 15m

Ontario

Sun 8/2

22:30-01:10

2 stops61h 10m

₹ 92,318

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 18 results

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

Airlines

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from New Delhi to Ontario are Delta and KLM.

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta and KLM 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

8,016 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

7.9

Good

8,016 reviews

Delta

7.9

Good

8,016 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

KLM

7.7

Good

1,435 reviews

Delta

7.9

Good

8,016 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, Hyderabad Rajiv Gandhi Intl offers the quickest one-way flight (26 hours 18 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Ontario by cabin class

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Fly with Cheapflights

How does Cheapflights help users find flights to Ontario?

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.

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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₹ 54,024+ 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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Ontario in 2025

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 30 December 2025.

Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 30 December 2025.

Find flight deals to Ontario

Find the latest flights to Ontario in 2025, 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 30 December 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights to Ontario that are best for you.

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

Everything you need to know about your flight to Ontario

What are the cheapest airlines that fly to Ontario?

Rainfall in Ontario by month

Temperature in Ontario by month

How long is the flight to Ontario?

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta and KLM 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.

Search flights to Ontario by cabin class

Find flights to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ontario?

Why should you use Cheapflights to find cheap flight tickets to Ontario?

Can Cheapflights find flights to Ontario with no change fees?

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

100% Free

Book With Flexibility

Travel Smart

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 30 December 2025.