Cheap flights from Porto to St. Louis from $399

Travelers frequently search for route combinations, such as Porto and New York, Los Angeles, Orlando, New Orleans, Dallas, Miami, Atlanta, Washington, D.C., Denver, Boston, Madrid, Barcelona, Tel Aviv, Lisbon, Paris, Athens, Warsaw, Budapest, Rome, Funchal.

Travelers frequently search for route combinations, such as St. Louis and Denver, Orlando, Las Vegas, Los Angeles, London, Dallas, Fort Lauderdale, Bogotá, Mexico City, Tokyo, Frankfurt, Cebu, San Francisco, Athens, Amsterdam, Naples, Cancún, Portland, Washington, D.C., San Diego.

The main airport in Porto is Porto. It is also served by Porto, Santiago de Compostela, A Coruña, Vigo–Peinador, Vila Real.

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, MidAmerica St. Louis, Evansville Regional, Central Illinois Regional, Waynesville-St. Robert Regional, Quincy Regional, Cape Girardeau Regional, Barkley Regional.

Currently, you can fly between Porto and St. Louis with Frontier Airlines, Ryanair, TAP Portugal, WestJet, Lufthansa.

If you don’t have specific dates for your trip between Porto and St. Louis, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Porto and St. Louis, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Porto. The main one is Porto and other nearby airports include Porto, Santiago de Compostela, A Coruña, Vigo–Peinador, Vila Real

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, MidAmerica St. Louis, Evansville Regional, Central Illinois Regional, Waynesville-St. Robert Regional, Quincy Regional, Cape Girardeau Regional, Barkley Regional.