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| CHEAPEST MONTH TO FLY TO PORTO FROM SYDNEY | March | 16% cheaper | Flying from Sydney to Porto costs on average just $1,792 in March |
| MOST EXPENSIVE MONTH TO FLY TO PORTO FROM SYDNEY | December | 38% more expensive | It costs about $2,941 for flights to Porto from Sydney in December |
| MOST POPULAR MONTH TO FLY TO PORTO FROM SYDNEY | July | 500% more users visited | More momondo users searched in flights to Porto from Sydney in July than any other month |
Best One-Way Price | $781 |
|---|---|
Best Round-Trip Price | $1,456 |
Fastest flight time | 27h 30m |
We recommend purchasing flights from Australia to Porto 65 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Porto for $2,130.
Prices for flights to Porto Airport are updated daily.
The number of operators available for flights to Porto Airport is 11 as of July 2025.
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Porto Airport.
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.
momondo does allow users to show only those flights to Porto which offer a flexible booking policy as well as other useful filters and features.
momondo provides multiple filters to help you find the best flight to Porto. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
Yes momondo offers price alerts on flights to Porto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.