Find cheap flights from Ontario to Porto from $669

In the last 3 days, the lowest price for a flight from Ontario to Porto was $669 for a one-way ticket and $987 for a round-trip.

A passport is required to fly from Ontario to Porto.

When flying out of Ontario you will be using Ontario. You will be landing at Porto, also known as Porto.

We unfortunately don’t have that data for this specific route.

oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Ontario and Porto, with oneworld being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Porto.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Ontario with another airline. Booking your flights between Ontario and OPO can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.