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, United Airlines 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 (25 hours 27 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).

₹ 51,760+ Flights to Ontario, California

Flights to Ontario in 2025

Return from	₹ 80,544
One-way from	₹ 51,760
Popular in	August
Cheapest in	February
Average price	₹ 91,647

Singapore Airlines
25/9-9/10
2 total stops
65h 40m total
New Delhi to Los Angeles

Search Deals

Delta
28/10
2 total stops
26h 27m total
New Delhi to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (₹ 424,309 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (₹ 130,784 potential savings vs. average return price).

Search Deals

Average for return flights in June 2025

Search Deals

Find flight deals to Ontario

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 June 2025.

Tue 29/723:35DEL - ONT

3 stops35h 47mUnited Airlines

Tue 5/807:00ONT - DEL

2 stops26h 00mUnited Airlines

Deal found 29/6₹ 89,426

Sat 5/703:55DEL - ONT

2 stops32h 21mDelta

Fri 15/807:05ONT - DEL

2 stops27h 15mDelta

Deal found 29/6₹ 90,366

Thu 6/1105:05DEL - ONT

2 stops31h 07mVirgin Atlantic

Mon 10/1112:00ONT - DEL

2 stops25h 20mVirgin Atlantic

Deal found 29/6₹ 104,971

Mon 6/1004:20DEL - ONT

2 stops26h 43mQatar Airways

Fri 6/211:30ONT - DEL

2 stops25h 05mQatar Airways

Deal found 29/6₹ 112,061

Fri 25/704:50DEL - ONT

2 stops29h 39mEtihad Airways

Fri 1/823:59ONT - DEL

2 stops38h 46mEtihad Airways

Deal found 29/6₹ 115,904

Mon 28/702:45DEL - ONT

1 stop31h 44mAir India

Tue 5/823:59ONT - DEL

1 stop24h 41mAir India

Deal found 29/6₹ 117,185

Mon 28/701:40DEL - ONT

2 stops29h 30mMultiple Airlines

Mon 4/800:45ONT - DEL

3 stops33h 50mMultiple Airlines

Deal found 29/6₹ 118,894

Fri 5/1223:45DEL - ONT

2 stops31h 31mAir Canada

Sun 4/105:40ONT - DEL

2 stops27h 05mAir Canada

Deal found 29/6₹ 120,260

Thu 4/1203:15DEL - ONT

2 stops28h 02mBritish Airways

Sun 4/111:00ONT - DEL

2 stops24h 45mBritish Airways

Deal found 29/6₹ 141,442

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 June 2025.

Tue 29/723:35DEL - ONT

3 stops35h 47mUnited Airlines

Tue 5/807:00ONT - DEL

2 stops26h 00mUnited Airlines

Deal found 29/6₹ 89,426

Tue 21/1000:50DEL - ONT

2 stops28h 57mDelta

Mon 12/113:00ONT - DEL

2 stops24h 20mDelta

Deal found 30/6₹ 91,049

Thu 6/1105:05DEL - ONT

2 stops31h 07mVirgin Atlantic

Mon 10/1112:00ONT - DEL

2 stops25h 20mVirgin Atlantic

Deal found 29/6₹ 104,971

Mon 6/1004:20DEL - ONT

2 stops26h 43mQatar Airways

Fri 6/211:30ONT - DEL

2 stops25h 05mQatar Airways

Deal found 29/6₹ 112,061

Fri 25/704:50DEL - ONT

2 stops29h 39mEtihad Airways

Fri 1/823:59ONT - DEL

2 stops38h 46mEtihad Airways

Deal found 29/6₹ 115,904

Mon 28/702:45DEL - ONT

1 stop31h 44mAir India

Tue 5/823:59ONT - DEL

1 stop24h 41mAir India

Deal found 29/6₹ 117,185

Mon 28/701:40DEL - ONT

2 stops29h 30mMultiple Airlines

Mon 4/800:45ONT - DEL

3 stops33h 50mMultiple Airlines

Deal found 29/6₹ 118,894

Fri 5/1223:45DEL - ONT

2 stops31h 31mAir Canada

Sun 4/105:40ONT - DEL

2 stops27h 05mAir Canada

Deal found 29/6₹ 120,260

Thu 4/1203:15DEL - ONT

2 stops28h 02mBritish Airways

Sun 4/111:00ONT - DEL

2 stops24h 45mBritish Airways

Deal found 29/6₹ 141,442

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

Sat 5/703:55DEL - ONT

2 stops32h 21mDelta

Fri 15/807:05ONT - DEL

2 stops27h 15mDelta

Deal found 29/6₹ 90,366

Sat 5/703:55DEL - ONT

2 stops25h 03mKLM

Mon 7/713:15ONT - DEL

2 stops24h 10mKLM

Deal found 29/6₹ 160,062

Sun 6/715:55DEL - ONT

2 stops42h 34mMultiple Airlines

Mon 7/723:59ONT - DEL

2 stops30h 51mMultiple Airlines

Deal found 29/6₹ 129,656

Tue 8/704:20DEL - ONT

2 stops26h 14mQatar Airways

Tue 22/712:00ONT - DEL

2 stops25h 25mQatar Airways

Deal found 28/6₹ 162,710

Thu 10/723:35DEL - ONT

2 stops34h 32mUnited Airlines

Wed 10/906:04ONT - DEL

2 stops26h 56mUnited Airlines

Deal found 29/6₹ 103,605

Fri 25/704:50DEL - ONT

2 stops29h 39mEtihad Airways

Fri 1/823:59ONT - DEL

2 stops38h 46mEtihad Airways

Deal found 29/6₹ 115,904

Mon 28/702:45DEL - ONT

1 stop31h 44mAir India

Tue 5/823:59ONT - DEL

1 stop24h 41mAir India

Deal found 29/6₹ 117,185

Mon 28/701:40DEL - ONT

2 stops29h 30mMultiple Airlines

Mon 4/800:45ONT - DEL

3 stops33h 50mMultiple Airlines

Deal found 29/6₹ 118,894

Tue 29/723:35DEL - ONT

3 stops35h 47mUnited Airlines

Tue 5/807:00ONT - DEL

2 stops26h 00mUnited Airlines

Deal found 29/6₹ 89,426

Tue 29/700:05DEL - ONT

2 stops48h 39mAir Canada

Wed 6/805:05ONT - DEL

2 stops50h 40mAir Canada

Deal found 30/6₹ 122,908

Wed 30/717:00DEL - ONT

2 stops43h 45mQatar Airways

Wed 6/814:57ONT - DEL

2 stops47h 28mQatar Airways

Deal found 30/6₹ 120,858

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 June 2025.

Tue 28/1003:20DEL - ONT

2 stops26h 27mDelta

Deal found 28/6₹ 51,760

Wed 19/1105:05DEL - ONT

2 stops31h 07mVirgin Atlantic

Deal found 28/6₹ 52,187

Sun 17/823:35DEL - ONT

2 stops30h 35mMultiple Airlines

Deal found 30/6₹ 55,262

Thu 17/723:35DEL - ONT

2 stops25h 27mUnited Airlines

Deal found 29/6₹ 55,945

Wed 22/1004:20DEL - ONT

2 stops26h 40mQatar Airways

Deal found 28/6₹ 56,714

Wed 16/715:55DEL - ONT

2 stops42h 34mEtihad Airways

Deal found 27/6₹ 58,422

Tue 28/1003:20DEL - ONT

2 stops26h 27mKLM

Deal found 28/6₹ 58,763

Fri 11/701:45DEL - ONT

2 stops32h 22mLufthansa

Deal found 29/6₹ 64,913

Tue 29/723:30DEL - ONT

2 stops24h 56mAmerican Airlines

Deal found 28/6₹ 68,244

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 29/7

23:35-22:52

3 stops35h 47m

Ontario

Tue 5/8

07:00-21:30

2 stops26h 00m

₹ 89,426

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 21/10

00:50-17:17

2 stops28h 57m

Ontario

Mon 12/1

13:00-02:50

2 stops24h 20m

₹ 91,049

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 6/11

05:05-22:42

2 stops31h 07m

Ontario

Mon 10/11

12:00-02:50

2 stops25h 20m

₹ 104,971

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 6/10

04:20-18:33

2 stops26h 43m

Ontario

Fri 6/2

11:30-02:05

2 stops25h 05m

₹ 112,061

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 25/7

04:50-21:59

2 stops29h 39m

Ontario

Fri 1/8

23:59-03:15

2 stops38h 46m

₹ 115,904

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 28/7

02:45-21:59

1 stop31h 44m

Ontario

Tue 5/8

23:59-13:10

1 stop24h 41m

₹ 117,185

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 28/7

01:40-18:40

2 stops29h 30m

Ontario

Mon 4/8

00:45-23:05

3 stops33h 50m

₹ 118,894

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 5/12

23:45-17:46

2 stops31h 31m

Ontario

Sun 4/1

05:40-22:15

2 stops27h 05m

₹ 120,260

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 4/12

03:15-17:47

2 stops28h 02m

Ontario

Sun 4/1

11:00-01:15

2 stops24h 45m

₹ 141,442

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 28/10

03:20-17:17

2 stops26h 27m

₹ 51,760

Flights are sorted by cheapest return flights first.

Deals found on 28/6

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

How long is the flight to Ontario?

On average, a flight from New Delhi to Ontario takes 25 hours 27 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.

What are the most popular airlines that fly to Ontario?

The most popular airlines flying from New Delhi to Ontario are United Airlines and American Airlines.

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from New Delhi to Ontario are United Airlines and American Airlines.

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

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).

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta, KLM, andQatar Airways 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

7,969 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

7,969 reviews

Delta

8.0

Very Good

7,969 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

7.8

Good

1,365 reviews

Delta

8.0

Very Good

7,969 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

Qatar Airways

7.4

Good

3,596 reviews

Delta

8.0

Very Good

7,969 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

Etihad Airways

7.4

Good

1,222 reviews

Delta

8.0

Very Good

7,969 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

United Airlines

7.4

Good

8,849 reviews

Delta

8.0

Very Good

7,969 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, United Airlines 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 (25 hours 27 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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

₹ 51,760+ 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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 June 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

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 30 June 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 June 2025.

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 30 June 2025.

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

How long is the flight to Ontario?

What are the most popular airlines that fly to Ontario?

What are the cheapest airlines that fly to Ontario?

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta, KLM, andQatar Airways 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 June 2025.