Known for Port Wine and beautiful powdery beaches, Portugal is a country you should definitely consider visiting. Tap Air Portugal is offering affordable direct flights to its capital, Lisbon, from U.S. cities starting at $368 round-trip.For more TPG news delivered each morning to your inbox, sign up for our daily newsletter.SecretFlying alerted us to this deal, available from February to November (excluding summer months).Deal basicsAirlines: TAP Air PortugalRoutes: BOS/EWR/IAD/JFK/ORD to LISHow to book: Directly through the airline site or through Google FlightsTravel dates: February – November (except during summer months)Sample flightsElevador da Gloria in Lisbon. (Photo by Westend61/Getty Images)The deals below are basic economy tickets on TAP Air Portugal, which include a standard seat, meal and carry-on. A checked bag, seat selection and changes will cost additional fees.One of the most affordable fares we found was a flight from Newark (EWR) to Lisbon (LIS) from the end of March to the beginning of April for $368 round-trip. The departures featured below are overnight flights.(Screenshot courtesy of Google Flights)For a buck more, travelers in Washington D.C. (IAD) can hop on a flight to Lisbon (LIS) for $369 round-trip from the end of April to the beginning of May.(Screenshot courtesy of Google Flights)You can fly direct from New York (JFK) to Lisbon (LIS) from the end of February to the beginning of March for $378 round-trip.(Screenshot courtesy of Google Flights)Head to Lisbon (LIS) from Chicago (ORD) at $403 round-trip from the end of September to the beginning of October. A wide range of flights is available at this price throughout both months and earlier in the year.Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.(Screenshot courtesy of Google Flights)There are limited flight options from Boston (BOS) to Lisbon (LIS) at $424 round-trip. We found one in the middle of February.(Screenshot courtesy of Google Flights)Maximize your purchasePay with: The Platinum Card® from American Express for 5 points per dollar on airfare booked directly with the airline or through American Express Travel (on up to $500,000 on these purchases per calendar year), the Citi Prestige® Card for 5 points per dollar on airfare, the Citi Premier® Card or Chase Sapphire Reserve for 3 points per dollar on air travel, the American Express® Gold Card for 3 points per dollar on airfare when booked directly with the airline or through Amex Travel, or the Chase Sapphire Preferred Card for 2 points per dollar on travel.The information for the Citi Prestige Card has been collected independently by The Points Guy. The card details on this page have not been reviewed or provided by the card issuer.Bottom lineYou might want to relax on the beach, taste Piri-Piri chicken or take a ride on the tram to explore Lisbon’s historic cathedrals and towers. No matter what type of traveler you are, you’ll stay busy. Don’t miss out on this chance to explore Portugal’s largest city.