$566 Cheap Flights from Delhi (DEL) to Ontario (ONT)

View $566 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Indira Gandhi International Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Delhi to Ontario (DEL-ONT)

Prices were available within the past 7 days and start at $566 for one-way flights and $975 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$975 Roundtrip, found 5 days ago
$975
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $975 found 5 days ago
Air India
Wed, Sep 24 - Wed, Oct 1
DEL
Delhi
ONT
Ontario
$986 Roundtrip, found 5 days ago
$986
Roundtrip
found 5 days ago
Select Air India flight, departing Wed, Sep 24 from Delhi to Ontario, returning Wed, Oct 1, priced at $986 found 5 days ago
KLM
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$987 Roundtrip, found 5 days ago
$987
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $987 found 5 days ago
KLM
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$998 Roundtrip, found 5 days ago
$998
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $998 found 5 days ago
KLM
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$1,002 Roundtrip, found 5 days ago
$1,002
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $1,002 found 5 days ago
KLM
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$1,005 Roundtrip, found 5 days ago
$1,005
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $1,005 found 5 days ago
Air India
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$1,010 Roundtrip, found 5 days ago
$1,010
Roundtrip
found 5 days ago
Select Air India flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $1,010 found 5 days ago
KLM
Sat, Nov 1 - Wed, Jan 14
DEL
Delhi
ONT
Ontario
$1,029 Roundtrip, found 5 days ago
$1,029
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Nov 1 from Delhi to Ontario, returning Wed, Jan 14, priced at $1,029 found 5 days ago
United
Fri, Oct 3 - Sat, Oct 18
DEL
Delhi
ONT
Ontario
$1,031 Roundtrip, found 1 day ago
$1,031
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 3 from Delhi to Ontario, returning Sat, Oct 18, priced at $1,031 found 1 day ago
Air Canada
Sat, Sep 13 - Wed, Sep 17
DEL
Delhi
ONT
Ontario
$1,040 Roundtrip, found 4 days ago
$1,040
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Sep 13 from Delhi to Ontario, returning Wed, Sep 17, priced at $1,040 found 4 days ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $1,067
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $1,067
Flights from Delhi (DEL) to Ontario (ONT)
Origin airport
Indira Gandhi Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Qatar Airways, United, Virgin Atlantic
Roundtrip price
$974
Distance
8004 mi

Delhi to Ontario Flights

The cheapest times to fly from Delhi to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Delhi to Ontario are during the month of November. You can find some of the cheapest flights from Delhi to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Delhi to Ontario

Sunday is one of the best days to book for cheap flights from Delhi to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Delhi to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Delhi to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $566 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Delhi to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Delhi to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight from $566 or cheap return flight from $975 from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT)?
November is the least expensive month to fly from DEL to ONT. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline flying from DEL to ONT, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll need to catch a flight with a layover when traveling from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from DEL to ONT?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid possible delays on the Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Waiting until just before your trip to book your flight from DEL to ONT generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a DEL to ONT flight and hotel package?
Booking a DEL to ONT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Indira Gandhi Intl. Airport (DEL) to Los Angeles - Ontario Intl. Airport (ONT)?
In most cases, you can cancel or modify your DEL to ONT flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.