Flights from Ontario International Airport to Autonomous City of Buenos Aires

Flight deals from Ontario International Airport to Autonomous City of Buenos Aires

Looking for cheap tickets from Ontario International Airport to Autonomous City of Buenos Aires, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Buenos Aires.893 € per passenger.Departing Tue, 2 Sep, returning Mon, 15 Sep.Return flight with United.Outbound indirect flight with United, departs from Ontario International on Tue, 2 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with United, departs from Buenos Aires Ministro Pistarini on Mon, 15 Sep, arriving in Ontario International.Price includes taxes and charges.From 893 €, select.

Flying from Ontario International Airport to Autonomous City of Buenos Aires

Arm yourself with these facts on the fly.

Cheapest flight found	893 €, Buenos Aires
Cheapest month to fly	September

How to find cheap flights from Ontario International Airport to Autonomous City of Buenos Aires

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Ontario International Airport to Autonomous City of Buenos Aires. Other savvy travellers recently found return flights from 893 € and one-way tickets from 447 €. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in July

The cheapest time to fly from Ontario International Airport to Autonomous City of Buenos Aires is currently July.

Fly on a Friday

From our data, we can see that Friday seems to be the cheapest time to fly from Ontario International Airport to Autonomous City of Buenos Aires.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Ontario International Airport to anywhere you choose in Autonomous City of Buenos Aires.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Ontario International Airport to your chosen airport in Autonomous City of Buenos Aires go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Ontario International Airport to Autonomous City of Buenos Aires flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Ontario International Airport to Autonomous City of Buenos Aires?

We looked at all of the upcoming return flights from Ontario International Airport to Autonomous City of Buenos Aires we could find over the next 12 months. It looks like 893 € is the best price. This is good, compared to the average Autonomous City of Buenos Aires ticket price of 1.315 €.

What is the cheapest month to fly from Ontario International Airport to Autonomous City of Buenos Aires?

The cheapest month to fly from Ontario International Airport to Autonomous City of Buenos Aires is currently September.

Which upcoming date is cheapest to fly from Ontario International Airport to Autonomous City of Buenos Aires on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ontario International Airport to Autonomous City of Buenos Aires on Tuesday, 2 September 2025.

If I'm flying from Ontario International Airport, where in Autonomous City of Buenos Aires is cheapest to fly into?

If you're flying from Ontario International, the cheapest city in Autonomous City of Buenos Aires to fly into is Buenos Aires. The cheapest airport serving Buenos Aires at the moment is Buenos Aires Ministro Pistarini.