If you need a reason to visit Porto, Portugal, this flight deal might do the trick.

Act fast to score a round-trip flight to Porto, Portugal for less than $500 for travel this fall. Those departing from New York City can get a seat for as little as $465 for travel in October and November on Air Eurpoa, with flights for the mid 500s available in September. Similar flight deals can be found for those leaving Miami, with round-trip airfare starting at $475.

Those leaving from Boston can find round-trip deals to Porto for less than $600 on Lufthansa for travel between now and May and between August 2018 and February of 2019.

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The deal isn’t quite as sweet for those in Atlanta or Los Angeles, where flights start in the high 700s.

So what is there to do in Porto? Located in northwest Portugal, Porto is a coastal town that is the country’s second-largest city after Lisbon. The Unesco heritage city has grown in popularity over the last 15 years and boasts medieval streets, bustling markets, independent bookstores and attractions like the Serralves Museum of Contemporary Art that is not to be missed.

Take advantage of this deal by heading to Google Flights or using our sample itinerary here and adjusting the dates and departure location to work for you. Keep in mind that the cheapest flights are highlighted in green.