Book Delta Flights to Ontario International

The best Delta flight deals to Ontario International

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to Ontario International with Delta right here.

Ontario.HK$8,053 per passenger.Departing Mon, 26 May.One-way flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Mon, 26 May, arriving in Ontario International.Price includes taxes and charges.From HK$8,053, select.

Ontario.HK$8,583 per passenger.Departing Fri, 27 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Fri, 27 Jun, arriving in Ontario International.Price includes taxes and charges.From HK$8,583, select.

Ontario.HK$9,509 per passenger.Departing Wed, 23 Jul.One-way flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Wed, 23 Jul, arriving in Ontario International.Price includes taxes and charges.From HK$9,509, select.

Ontario.HK$10,001 per passenger.Departing Tue, 30 Sep.One-way flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Tue, 30 Sep, arriving in Ontario International.Price includes taxes and charges.From HK$10,001, select.

Ontario.HK$10,062 per passenger.Departing Sun, 3 Aug.One-way flight with Delta.Outbound indirect flight with Delta, departs from Hong Kong Intl on Sun, 3 Aug, arriving in Ontario International.Price includes taxes and charges.From HK$10,062, select.

Find the cheapest time to fly to Ontario International with Delta

Flexible on travel dates? Here's when fares are lowest.

May

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Alternative routes to Ontario

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

Flying to Ontario International with Delta

The things to know before you go.

Cheapest flight found	HK$8,053
Cheapest month to fly	May
Nearby cities to visit	Ontario

How to find cheap flights to Ontario International with Delta

Looking for cheap flight tickets to Ontario International? Here are a few tips on how to find the best price.

Simply hit 'search'

We've compared every online travel agent and flight provider to find the cheapest Delta flight tickets to anywhere in the world, including Ontario International.

Flex your dates for the best rates

If you’re flexible on your departure dates, hit Whole month as you search. You'll see the cheapest month, and even day to fly to Ontario International with Delta.

Set up a Price Alert

Got your eye on a specific flight to Ontario International but not quite ready to book? No worries. We'll let you know when the price of the flight goes up or down so you can book when the time is just right. You're even able to watch specific Delta flights.

Book your Delta flight to Ontario International Airport with extra peace of mind

Find flexible Delta flights to Ontario International Airport

Delta might offer amendable tickets to Ontario International Airport, which means you won't lose out if your booking has to be changed or cancelled.

Add travel cost protection

Make sure you have the right travel insurance before flying to Ontario International Airport. That way you can cover the costs of any unexpected events, such as delays or lost luggage.

Reduce your carbon footprint

To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.

Flying to Ontario International with Delta: FAQs

Does Delta fly into any other airports in or near Ontario?

No – if you want to travel with Delta, Ontario International is currently the only airport serving Ontario.

What is the cheapest month to fly to Ontario International with Delta?

Although it's difficult to get an accurate idea of when Delta flights to Ontario International are cheapest, the lowest fares are currently for departures in June.