$303 Cheap flights to Porto

When planning your flight to Porto, it is important to be aware that some months are not as ideal as others. Specifically, the months of January, February, or October could carry a higher chance of rain, as Porto sees up to 5.1 inches or more. There are still things to do in Porto even when it's raining, but be aware that rain is highly probable in the area. Many tourists kill time during rain and storms by going to shopping centers in the area, like Mercado do Bolhão.

In general, most travelers find the cheapest time to book a flight to Porto is about 83 days prior to their departure date when tickets on average are $838. In the past 72 hours, momondo users found flights from United States to Porto for as low as $449.

Prices for flights to Porto Airport refresh daily.

As of April 2026, there are 35 operators available to choose from for flights to Porto Airport.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Porto Airport.

The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.