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Cheap flights from Indira Gandhi International to Ontario International

Compare Indira Gandhi International to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Indira Gandhi International to Ontario International

Looking for a cheap last-minute deal or the best round-trip flight from Indira Gandhi International to Ontario International? Find the lowest prices on one-way and round-trip tickets right here.
Ontario.$1,154 per passenger.Departing Mon, May 5, returning Sun, May 18.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Indira Gandhi International on Mon, May 5, arriving in Ontario International.Inbound indirect flight with Delta, departing from Ontario International on Sun, May 18, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,154, select.
Ontario.$1,217 per passenger.Departing Tue, Nov 5, returning Tue, Nov 12.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Indira Gandhi International on Tue, Nov 5, arriving in Ontario International.Inbound indirect flight with Delta, departing from Ontario International on Tue, Nov 12, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,217, select.
Ontario.$1,404 per passenger.Departing Fri, Feb 14, returning Mon, Feb 24.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Indira Gandhi International on Fri, Feb 14, arriving in Ontario International.Inbound indirect flight with British Airways, departing from Ontario International on Mon, Feb 24, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,404, select.
Ontario.$1,501 per passenger.Departing Thu, Mar 13, returning Thu, Mar 20.Round-trip flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departing from Indira Gandhi International on Thu, Mar 13, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departing from Ontario International on Thu, Mar 20, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,501, select.
Ontario.$1,510 per passenger.Departing Tue, Nov 26, returning Sun, Dec 1.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Indira Gandhi International on Tue, Nov 26, arriving in Ontario International.Inbound indirect flight with Delta, departing from Ontario International on Sun, Dec 1, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,510, select.
Ontario.$1,615 per passenger.Departing Mon, Jan 27, returning Tue, Feb 18.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Indira Gandhi International on Mon, Jan 27, arriving in Ontario International.Inbound indirect flight with British Airways, departing from Ontario International on Tue, Feb 18, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,615, select.
Ontario.$1,617 per passenger.Departing Tue, Feb 18, returning Fri, Mar 7.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Indira Gandhi International on Tue, Feb 18, arriving in Ontario International.Inbound indirect flight with British Airways, departing from Ontario International on Fri, Mar 7, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,617, select.
Ontario.$1,635 per passenger.Departing Fri, Jan 24, returning Fri, Jan 31.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Indira Gandhi International on Fri, Jan 24, arriving in Ontario International.Inbound indirect flight with British Airways, departing from Ontario International on Fri, Jan 31, arriving in Indira Gandhi International .Price includes taxes and charges.From $1,635, select.

Find the cheapest month to fly from Indira Gandhi International to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Indira Gandhi International to Ontario International flights are currently cheapest in May.
Nov
from $1,219
Dec
from $2,193
Jan
from $1,638
Feb
from $1,406
Mar
from $1,504
Apr
from $1,914
May
from $1,156
Jun
from $2,201
Jul
from $4,176
Aug
Find prices
Sep
from $1,727
Oct
Find prices

Indira Gandhi International to Ontario International: Alternative routes

Compare routes from Indira Gandhi International to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

New Delhi to Ontario: Flight information

The things to know before you go.
Cheapest flight found$1,156
Cheapest month to flyMay

Finding cheap flights from Indira Gandhi International to Ontario International: Frequently asked questions

The best price we found for a round-trip flight from Indira Gandhi International to Ontario International is $1,156. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Indira Gandhi International to Ontario International. But we found flights with one or more stops from $1,156.
There are no flights flying from Indira Gandhi International to Ontario International, as of November 2024.
The cheapest month to fly from Indira Gandhi International to Ontario International is usually November 2024.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Indira Gandhi International Airport to Ontario International Airport on Monday, May 5, 2025.
No airlines currently offer direct flights between Indira Gandhi International Airport and Ontario International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Ontario International.

Traveling from Indira Gandhi International Airport (DEL) to Ontario International Airport (ONT): what you need to know

  • Delays at check-in and security are likely if you're heading away during high season, so allow a little extra breathing room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and two hours for domestic departures.

  • If you'd like to tour a different city along the way, think about a flight with a stopover. To see your options for flights from Indira Gandhi International Airport to Ontario International Airport, uncheck 'Direct flights only.' San Francisco International Airport is a popular stop between DEL and ONT.

How to find the cheapest flights from Indira Gandhi International Airport (DEL) to Ontario International Airport (ONT)

  • The best price we've seen for a one-way ticket from Indira Gandhi International Airport to Ontario International Airport is $616. The cheapest price for a return flight is $1,154. Bear in mind that fares could change due to availability at the time of booking.

  • It's usually smart to book as early as possible if you're looking for cheap tickets from DEL to ONT. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search tool shows you the cheapest tickets from Indira Gandhi International Airport to Ontario International Airport throughout the month. It's a good way to find a bargain if your travel plans are flexible.

  • Sign into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a cheaper deal on this route. It's simple to do, and it'll save you time checking for cheap tickets from DEL to ONT every day.

  • Use filters to find the ideal trip for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Indira Gandhi International Airport to Ontario International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Indira Gandhi International Airport (DEL)

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • From Ontario International Airport, Ontario is approximately 6 kilometers away. It takes around 10 minutes to get to the center driving.

  • It typically takes 1 hour and 28 minutes if you're traveling by public transport.

When to fly to Ontario International Airport (ONT)

  • The quietest month for a flight from Indira Gandhi International Airport to Ontario International Airport is May, while August is the busiest. Choose the ideal time to go to Ontario based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Ontario is August, with temperatures ranging between 15ºC and 35ºC. Lock in your flights from Indira Gandhi International Airport to Ontario International Airport in this month if you like this kind of weather.

  • January has average temperatures of between 4ºC and 23ºC. Search for cheap tickets from DEL to ONT sometime then if you'd rather travel in cooler conditions.

More about Ontario

Complete your Ontario trip with hotels and a car rental

  • You've got your cheap ticket to Ontario International Airport — next on the list is finding a great place to stay, and perhaps even your own set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Ontario.

Plan the rest of your trip from New Delhi to Ontario

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.