Cheap flights from St. Louis to Cardiff from $420

Travelers frequently search for route combinations, such as St. Louis and Las Vegas, Cancún, Orlando, Los Angeles, San Francisco, Denver, Mexico City, Tuxtla Gutiérrez, Toronto, Ottawa, Lima, Buenos Aires, Cali, Sydney, Warsaw, San José, Washington, D.C., Reykjavik, Fort Lauderdale, Melbourne.

Travelers frequently search for route combinations, such as Cardiff and Nashville, Portland, Phoenix, Edinburgh, Denver, Hamburg, Charlotte, San Francisco, Washington, D.C., Raleigh, Las Vegas, Toronto, Rome, Athens, Atlanta, Zürich, Palma, Majorca, San Diego, Dublin, Valencia.

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

The main airport in Cardiff is Cardiff. It is also served by Gatwick, Heathrow, London Stansted, Manchester, Luton, Birmingham, Bristol, Liverpool John Lennon, London City, East Midlands.

Currently, you can fly between St. Louis and Cardiff with Ryanair, KLM Royal Dutch Airlines, Frontier Airlines, Aer Lingus, Vueling.

If you don’t have specific dates for your trip between St. Louis and Cardiff, 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 St. Louis and Cardiff, 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 St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, General Wayne A. Downing Peoria International, Evansville Regional, Cape Girardeau Regional, Abraham Lincoln Capital, Waynesville-St. Robert Regional, MidAmerica St. Louis, Barkley Regional, Williamson County Regional, Central Illinois Regional

There are a number of airports in and around Cardiff. The main one is Cardiff and other nearby airports include Gatwick, Heathrow, London Stansted, Manchester, Luton, Birmingham, Bristol, Liverpool John Lennon, London City, East Midlands.