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 (24 hours 10 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 47 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).

₹ 52,057+ Cheap Flights to Ontario, California

Find flight deals to Ontario

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 14 October 2025.

Tue 25/1103:20DEL - ONT

2 stops33h 14mDelta

Wed 3/1213:20ONT - DEL

2 stops30h 10mDelta

Deal found 12/10₹ 87,973

Thu 6/1123:55DEL - ONT

2 stops36h 06mUnited Airlines

Mon 10/1113:29ONT - DEL

2 stops42h 56mUnited Airlines

Deal found 11/10₹ 90,102

Wed 5/1101:30DEL - ONT

2 stops34h 22mDelta

Mon 10/1117:49ONT - DEL

2 stops41h 51mDelta

Deal found 11/10₹ 98,793

Fri 24/1023:35DEL - ONT

2 stops33h 19mUnited Airlines

Sun 9/1107:00ONT - DEL

2 stops25h 25mUnited Airlines

Deal found 11/10₹ 100,123

Tue 11/1103:45DEL - ONT

2 stops30h 38mQatar Airways

Tue 31/311:30ONT - DEL

2 stops25h 55mQatar Airways

Deal found 11/10₹ 101,630

Fri 17/1003:25DEL - ONT

2 stops33h 08mQatar Airways

Tue 28/1011:59ONT - DEL

2 stops31h 46mQatar Airways

Deal found 11/10₹ 102,251

Tue 14/1003:25DEL - ONT

2 stops33h 08mQatar Airways

Wed 5/1111:59ONT - DEL

2 stops30h 46mQatar Airways

Deal found 12/10₹ 104,114

Fri 17/1000:05DEL - ONT

2 stops30h 31mUnited Airlines

Sun 26/1006:00ONT - DEL

2 stops27h 25mUnited Airlines

Deal found 12/10₹ 105,355

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 14 October 2025.

Tue 25/1103:20DEL - ONT

2 stops33h 14mDelta

Wed 3/1213:20ONT - DEL

2 stops30h 10mDelta

Deal found 12/10₹ 87,973

Thu 6/1123:55DEL - ONT

2 stops36h 06mUnited Airlines

Mon 10/1113:29ONT - DEL

2 stops42h 56mUnited Airlines

Deal found 11/10₹ 90,102

Mon 27/1021:15DEL - ONT

2 stops36h 08mQatar Airways

Tue 9/1206:00ONT - DEL

2 stops30h 40mQatar Airways

Deal found 12/10₹ 105,887

Fri 5/1207:50DEL - ONT

2 stops63h 34mMultiple Airlines

Sun 14/1207:03ONT - DEL

2 stops33h 32mMultiple Airlines

Deal found 11/10₹ 110,853

Wed 5/1101:30DEL - ONT

2 stops34h 22mDelta

Mon 10/1117:49ONT - DEL

2 stops41h 51mDelta

Deal found 11/10₹ 98,793

Fri 24/1023:35DEL - ONT

2 stops33h 19mUnited Airlines

Sun 9/1107:00ONT - DEL

2 stops25h 25mUnited Airlines

Deal found 11/10₹ 100,123

Mon 27/1003:45DEL - ONT

2 stops29h 38mQatar Airways

Tue 4/1106:00ONT - DEL

2 stops36h 45mQatar Airways

Deal found 13/10₹ 105,887

Tue 25/1100:25DEL - ONT

3 stops35h 56mUnited Airlines

Wed 3/1206:00ONT - DEL

2 stops26h 25mUnited Airlines

Deal found 12/10₹ 100,123

Wed 26/1100:25DEL - ONT

2 stops28h 26mUnited Airlines

Sun 7/1205:05ONT - DEL

2 stops27h 20mUnited Airlines

Deal found 13/10₹ 105,355

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 14 October 2025 and is based on user searches.

Tue 14/1003:25DEL - ONT

2 stops33h 08mQatar Airways

Wed 5/1111:59ONT - DEL

2 stops30h 46mQatar Airways

Deal found 12/10₹ 104,114

Fri 17/1003:25DEL - ONT

2 stops33h 08mQatar Airways

Tue 28/1011:59ONT - DEL

2 stops31h 46mQatar Airways

Deal found 11/10₹ 102,251

Fri 17/1000:05DEL - ONT

2 stops30h 31mUnited Airlines

Sun 26/1006:00ONT - DEL

2 stops27h 25mUnited Airlines

Deal found 12/10₹ 105,355

Fri 24/1023:35DEL - ONT

2 stops33h 19mUnited Airlines

Sun 9/1107:00ONT - DEL

2 stops25h 25mUnited Airlines

Deal found 11/10₹ 100,123

Wed 5/1101:30DEL - ONT

2 stops34h 22mDelta

Mon 10/1117:49ONT - DEL

2 stops41h 51mDelta

Deal found 11/10₹ 98,793

Thu 6/1123:55DEL - ONT

2 stops36h 06mUnited Airlines

Mon 10/1113:29ONT - DEL

2 stops42h 56mUnited Airlines

Deal found 11/10₹ 90,102

Tue 11/1103:45DEL - ONT

2 stops30h 38mQatar Airways

Tue 31/311:30ONT - DEL

2 stops25h 55mQatar Airways

Deal found 11/10₹ 101,630

Tue 25/1103:20DEL - ONT

2 stops33h 14mDelta

Wed 3/1213:20ONT - DEL

2 stops30h 10mDelta

Deal found 12/10₹ 87,973

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 14 October 2025.

Thu 30/1021:15DEL - ONT

2 stops36h 08mQatar Airways

Deal found 13/10₹ 52,057

Thu 20/1121:15DEL - ONT

2 stops40h 14mQatar Airways

Deal found 14/10₹ 53,121

Wed 29/1000:25DEL - ONT

2 stops48h 38mUnited Airlines

Deal found 13/10₹ 53,210

Wed 19/1100:25DEL - ONT

2 stops35h 36mUnited Airlines

Deal found 14/10₹ 53,298

Tue 9/1223:55DEL - ONT

2 stops35h 24mUnited Airlines

Deal found 12/10₹ 53,653

Tue 23/1223:55DEL - ONT

2 stops35h 27mUnited Airlines

Deal found 14/10₹ 53,742

Tue 21/1003:40DEL - ONT

1 stop30h 19mAir India

Deal found 14/10₹ 54,451

Mon 20/1003:55DEL - ONT

2 stops24h 28mKLM

Deal found 12/10₹ 54,806

Tue 21/1003:55DEL - ONT

2 stops24h 28mKLM

Deal found 14/10₹ 54,895

Wed 22/1004:50DEL - ONT

2 stops29h 09mEtihad Airways

Deal found 12/10₹ 55,161

Tue 21/1004:20DEL - ONT

2 stops32h 13mQatar Airways

Deal found 12/10₹ 55,693

Mon 10/1116:10DEL - ONT

2 stops42h 13mQatar Airways

Deal found 14/10₹ 55,870

Flights to Ontario in 2025

Return from	₹ 73,341
One-way from	₹ 52,057
Popular in	January
Cheapest in	February
Average price	₹ 91,255

British Airways
9/12-15/3
3 total stops
59h 35m total
New Delhi to Los Angeles

Search Deals

Qatar Airways
30/10
2 total stops
36h 08m total
New Delhi to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (₹ 399,675 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (₹ 130,826 potential savings vs. average return price).

Search Deals

Average for return flights in October 2025

Search Deals

Fly from

Route

Depart

Return

Price

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 25/11

03:20-23:04

2 stops33h 14m

Ontario

Wed 3/12

13:20-09:00

2 stops30h 10m

₹ 87,973

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 6/11

23:55-22:31

2 stops36h 06m

Ontario

Mon 10/11

13:29-21:55

2 stops42h 56m

₹ 90,102

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 5/11

01:30-22:22

2 stops34h 22m

Ontario

Mon 10/11

17:49-01:10

2 stops41h 51m

₹ 98,793

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 24/10

23:35-20:24

2 stops33h 19m

Ontario

Sun 9/11

07:00-21:55

2 stops25h 25m

₹ 100,123

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 25/11

00:25-22:51

3 stops35h 56m

Ontario

Wed 3/12

06:00-21:55

2 stops26h 25m

₹ 100,123

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 26/11

00:25-15:21

2 stops28h 26m

Ontario

Sun 7/12

05:05-21:55

2 stops27h 20m

₹ 105,355

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 27/10

21:15-20:53

2 stops36h 08m

Ontario

Tue 9/12

06:00-02:10

2 stops30h 40m

₹ 105,887

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 27/10

03:45-20:53

2 stops29h 38m

Ontario

Tue 4/11

06:00-08:15

2 stops36h 45m

₹ 105,887

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/12

07:50-09:54

2 stops63h 34m

Ontario

Sun 14/12

07:03-06:05

2 stops33h 32m

₹ 110,853

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 29/10

21:15-20:53

2 stops36h 08m

₹ 52,057

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 21 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

8.0

Very Good

7,973 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

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 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

1,402 reviews

Delta

8.0

Very Good

7,973 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 (24 hours 10 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

Popular United States flight routes

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Flights from San Francisco to Newark

Flights from Seattle to Los Angeles

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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₹ 52,057+ 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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals to Ontario

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 14 October 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 14 October 2025.

Flights to Ontario in 2025

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 14 October 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 14 October 2025.