Heads up, deal hunters! There's a sweet fare popping up for flights to Porto, Portugal, for as low as $672 in regular economy. To find it, you'll need to use a nifty tool called Matrix Airfare Search by ITA Software. Think of it as a flight search engine on steroids – it can help you pinpoint the cheapest dates. Why does this matter to you? Well, Porto is an amazing city with incredible food, wine (hello, port!), and culture. And snagging a flight for under $700 is a steal! Once you find your dates on Matrix, hop over to your favorite online travel agency or the airline's website to book the flight. Don't wait too long – these deals don't usually last! Happy travels (and cheers to finding a great fare!).