What are the cheapest airlines flying from New Delhi to Ontario round-trip?

United Airlines, at $1,044, was found to be the cheapest airline from New Delhi to Ontario.Alternate airlines to your destination round-trip include Delta and Virgin Atlantic. Users have found that United Airlines is 24% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from New Delhi to Ontario one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $607. Air India flights start at $644 while deals on Etihad Airways start at $650 one-way.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

How far in advance should I book a flight from New Delhi to Ontario?

Find a great deal and save up to 4% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from New Delhi to Ontario within the next two weeks, with the cheapest ticket starting at $1,057.

What is the cheapest month to fly from New Delhi to Ontario?

The best pricing can be found in the month of February. Prices to Ontario from New Delhi average $1,106. You can even find prices in February for less than $1,106, as users have found deals to Ontario from as low as $816. The month of August appears to be one of the more expensive times to travel to Ontario from New Delhi. Flying in the targeted month can save you up to 17%.

What is the cheapest time of day to fly from DEL to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Delhi to Ontario as you normally would.

Can I find deals for flights from New Delhi to Ontario that include hotel bookings?

Yes. In addition to deals on New Delhi to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from New Delhi to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Delhi to Ontario.

Can I find deals for business class flights from New Delhi to Ontario?

Yes. Cheapflights offers flight deals from New Delhi to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$607+ Flights from New Delhi to Ontario

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Cheap flight deals from New Delhi to Ontario

Round-trip from	$1,044 (United Airlines)
One-way from	$607 (Delta)
Popular in	August
Cheapest in	February
Average price	$1,146

From New Delhi Indira Gandhi Intl to Ontario

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One-way flight from New Delhi Indira Gandhi Intl to Ontario

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Highest demand for flights based on searches. 19% potential increase in price ($330 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($80 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from New Delhi to Ontario

Cheapest flights from New Delhi to Ontario
Explore the most affordable flight options available from New Delhi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Fri 7/2511:35 pmDEL - ONT

2 stops33h 49mUnited Airlines

Tue 8/126:00 amONT - DEL

2 stops27h 00mUnited Airlines

Deal found 7/1

$1,044

Tue 7/223:55 amDEL - ONT

2 stops31h 02mDelta

Mon 8/111:15 pmONT - DEL

2 stops24h 10mDelta

Deal found 6/30

$1,061

Thu 11/610:55 amDEL - ONT

2 stops49h 17mVirgin Atlantic

Mon 11/1011:29 amONT - DEL

2 stops25h 51mVirgin Atlantic

Deal found 7/1

$1,226

Mon 10/63:25 amDEL - ONT

2 stops33h 04mQatar Airways

Tue 3/316:00 amONT - DEL

2 stops31h 25mQatar Airways

Deal found 7/1

$1,228

Wed 7/233:55 pmDEL - ONT

2 stops42h 34mEtihad Airways

Fri 7/2511:59 pmONT - DEL

2 stops38h 46mEtihad Airways

Deal found 7/1

$1,285

Thu 7/242:45 amDEL - ONT

1 stop31h 44mAir India

Tue 8/1211:59 pmONT - DEL

1 stop24h 41mAir India

Deal found 7/1

$1,303

Best flights from New Delhi to Ontario
Discover carefully curated flight deals from New Delhi to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Fri 7/2511:35 pmDEL - ONT

2 stops33h 49mUnited Airlines

Tue 8/126:00 amONT - DEL

2 stops27h 00mUnited Airlines

Deal found 7/1

$1,044

Tue 7/223:55 amDEL - ONT

2 stops31h 02mDelta

Mon 8/111:15 pmONT - DEL

2 stops24h 10mDelta

Deal found 6/30

$1,061

Thu 11/610:55 amDEL - ONT

2 stops49h 17mVirgin Atlantic

Mon 11/1011:29 amONT - DEL

2 stops25h 51mVirgin Atlantic

Deal found 7/1

$1,226

Mon 10/63:25 amDEL - ONT

2 stops33h 04mQatar Airways

Tue 3/316:00 amONT - DEL

2 stops31h 25mQatar Airways

Deal found 7/1

$1,228

Wed 7/233:55 pmDEL - ONT

2 stops42h 34mEtihad Airways

Fri 7/2511:59 pmONT - DEL

2 stops38h 46mEtihad Airways

Deal found 7/1

$1,285

Thu 7/242:45 amDEL - ONT

1 stop31h 44mAir India

Tue 8/1211:59 pmONT - DEL

1 stop24h 41mAir India

Deal found 7/1

$1,303

Fri 7/2510:10 pmDEL - ONT

2 stops33h 00mMultiple Airlines

Mon 8/1112:45 amONT - DEL

2 stops29h 55mMultiple Airlines

Deal found 7/1

$1,401

Fri 12/511:45 pmDEL - ONT

2 stops31h 31mAir Canada

Sun 1/45:40 amONT - DEL

2 stops27h 05mAir Canada

Deal found 6/29

$1,408

Thu 9/113:55 amDEL - ONT

2 stops24h 32mKLM

Mon 10/271:00 pmONT - DEL

2 stops23h 40mKLM

Deal found 6/30

$1,422

Last-minute flights from New Delhi to Ontario
Discover last-minute flight deals from New Delhi to Ontario. Data last updated July 2, 2025 and is based on user searches.

Sun 7/610:50 pmDEL - ONT

2 stops31h 05mAir Canada

Wed 9/175:10 amONT - DEL

2 stops26h 35mAir Canada

Deal found 7/1

$1,596

Sun 7/66:50 pmDEL - ONT

2 stops41h 22mKorean Air

Tue 7/86:25 amONT - DEL

2 stops46h 15mKorean Air

Deal found 6/30

$5,691

Mon 7/72:55 amDEL - ONT

1 stop31h 34mAir India

Wed 7/2311:59 pmONT - DEL

1 stop24h 41mAir India

Deal found 7/1

$1,428

Tue 7/83:55 amDEL - ONT

2 stops25h 04mDelta

Tue 1/61:00 pmONT - DEL

2 stops24h 20mDelta

Deal found 7/1

$1,082

Tue 7/811:35 pmDEL - ONT

2 stops34h 32mUnited Airlines

Wed 11/127:00 amONT - DEL

2 stops25h 45mUnited Airlines

Deal found 7/1

$1,267

Tue 7/89:10 amDEL - ONT

2 stops49h 19mEtihad Airways

Thu 7/1711:59 pmONT - DEL

2 stops38h 46mEtihad Airways

Deal found 7/1

$1,316

Thu 7/105:00 pmDEL - ONT

2 stops43h 45mQatar Airways

Tue 1/66:55 pmONT - DEL

2 stops47h 50mQatar Airways

Deal found 7/1

$1,332

Fri 7/113:55 amDEL - ONT

2 stops24h 19mKLM

Sat 7/192:14 pmONT - DEL

2 stops23h 11mKLM

Deal found 6/30

$1,502

Fri 7/183:55 amDEL - ONT

2 stops24h 19mKLM

Mon 8/42:14 pmONT - DEL

2 stops23h 11mKLM

Deal found 7/1

$1,427

Tue 7/223:55 amDEL - ONT

2 stops31h 02mDelta

Sun 8/179:50 amONT - DEL

2 stops24h 30mDelta

Deal found 6/30

$1,061

Wed 7/233:55 pmDEL - ONT

2 stops42h 34mEtihad Airways

Fri 7/2511:59 pmONT - DEL

2 stops38h 46mEtihad Airways

Deal found 7/1

$1,285

Thu 7/242:45 amDEL - ONT

1 stop31h 44mAir India

Tue 8/1211:59 pmONT - DEL

1 stop24h 41mAir India

Deal found 7/1

$1,303

One-way flights from New Delhi to Ontario
Search for one-way flight options from New Delhi to Ontario. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Tue 12/21:45 amDEL - ONT

2 stops34h 26mDelta

Deal found 7/1

$607

Fri 11/1412:05 amDEL - ONT

2 stops30h 15mMultiple Airlines

Deal found 6/30

$618

Sun 10/122:20 amDEL - ONT

1 stop31h 39mAir India

Deal found 7/1

$644

Mon 10/139:15 pmDEL - ONT

2 stops36h 44mEtihad Airways

Deal found 7/1

$650

Mon 7/2111:35 pmDEL - ONT

2 stops25h 27mUnited Airlines

Deal found 7/1

$654

Wed 10/82:55 amDEL - ONT

2 stops30h 59mLufthansa

Deal found 7/1

$677

Mon 7/213:25 amDEL - ONT

2 stops27h 09mQatar Airways

Deal found 6/29

$734

Wed 7/3011:30 pmDEL - ONT

2 stops34h 38mAmerican Airlines

Deal found 6/29

$840

Mon 12/111:45 pmDEL - ONT

2 stops49h 59mAir Canada

Deal found 6/30

$847

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 7/25

11:35 pm-8:54 pm

2 stops33h 49m

Ontario

Tue 8/12

6:00 am-9:30 pm

2 stops27h 00m

$1,044

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 7/22

3:55 am-10:27 pm

2 stops31h 02m

Ontario

Wed 8/13

9:50 am-10:50 pm

2 stops24h 30m

$1,061

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 11/6

10:55 am-10:42 pm

2 stops49h 17m

Ontario

Mon 11/10

11:29 am-2:50 am

2 stops25h 51m

$1,226

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Mon 10/6

3:25 am-11:59 pm

2 stops33h 04m

Ontario

Tue 3/31

6:00 am-1:55 am

2 stops31h 25m

$1,228

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Wed 7/23

3:55 pm-9:59 pm

2 stops42h 34m

Ontario

Fri 7/25

11:59 pm-3:15 am

2 stops38h 46m

$1,285

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 7/24

2:45 am-9:59 pm

1 stop31h 44m

Ontario

Tue 8/12

11:59 pm-1:10 pm

1 stop24h 41m

$1,303

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 7/25

10:10 pm-6:40 pm

2 stops33h 00m

Ontario

Mon 8/11

12:45 am-7:10 pm

2 stops29h 55m

$1,401

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Fri 12/5

11:45 pm-5:46 pm

2 stops31h 31m

Ontario

Sun 1/4

5:40 am-10:15 pm

2 stops27h 05m

$1,408

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Thu 9/11

3:55 am-3:57 pm

2 stops24h 32m

Ontario

Mon 10/27

1:00 pm-1:10 am

2 stops23h 40m

$1,422

New DelhiOntario

DEL - ONT

DELONT

New Delhi Indira Gandhi Intl

Tue 12/2

1:45 am-10:41 pm

2 stops34h 26m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 18 results

Best time to book a flight from New Delhi to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from New Delhi with our price prediction graph.

Estimated round-trip 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 from New Delhi to Ontario

What is the cheapest month to book a flight from New Delhi to Ontario?

Currently, August is the cheapest month in which you can book a flight from New Delhi to Ontario (average of $246). Flying from New Delhi to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta, KLM, and Qatar Airways from New Delhi to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,974 reviews

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

7,974 reviews

Delta

8.0

Very good

7,974 reviews

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

1,366 reviews

Delta

8.0

Very good

7,974 reviews

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

3,595 reviews

Delta

8.0

Very good

7,974 reviews

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

1,224 reviews

Delta

8.0

Very good

7,974 reviews

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

8,858 reviews

Delta

8.0

Very good

7,974 reviews

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

Related info for your journey

What are the cheapest airlines flying from New Delhi to Ontario round-trip?
United Airlines, at $1,044, was found to be the cheapest airline from New Delhi to Ontario.Alternate airlines to your destination round-trip include Delta and Virgin Atlantic. Users have found that United Airlines is 24% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from New Delhi to Ontario one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $607. Air India flights start at $644 while deals on Etihad Airways start at $650 one-way.
Can I find deals for flights from New Delhi to Ontario that include hotel bookings?
Yes. In addition to deals on New Delhi to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from New Delhi to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Delhi to Ontario.
Can I find deals for business class flights from New Delhi to Ontario?
Yes. Cheapflights offers flight deals from New Delhi to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from New Delhi to Ontario?
Currently, August is the cheapest month in which you can book a flight from New Delhi to Ontario (average of $246). Flying from New Delhi to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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$607+ Cheap flights from New Delhi (DEL) to Ontario (ONT)

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from New Delhi to Ontario with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from New Delhi to Ontario

Round-trip from

One-way from

Popular in

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Find flight deals from New Delhi to Ontario

Cheapest flights from New Delhi to OntarioExplore the most affordable flight options available from New Delhi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from New Delhi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from New Delhi to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from New Delhi with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New Delhi to Ontario

What is the cheapest month to book a flight from New Delhi to Ontario?

Reviews of airlines servicing Ontario

See what other customers who have flown with Delta, KLM, and Qatar Airways from New Delhi to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from New Delhi to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from New Delhi to Ontario round-trip?

What are the cheapest airlines to fly from New Delhi to Ontario one-way?

Can I find deals for flights from New Delhi to Ontario that include hotel bookings?

How can I find direct flights from New Delhi to Ontario?

Can I find deals for business class flights from New Delhi to Ontario?

What is the cheapest month to book a flight from New Delhi 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.

Alternative routes for New Delhi to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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Cheapest flights from New Delhi to Ontario
Explore the most affordable flight options available from New Delhi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.