You’ve searched for flights from Cardiff to St Louis. ten flights go to or via St Louis every week, and we've searched them all to make it easy for you to compare your flight options. On average, KLM has the cheapest flights, so look out for them in your search results.
When you fly from Cardiff to St Louis, you'll have two airlines to choose from for your 6571 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.
To sort cheap flights to St Louis, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Virgin Atlantic too, as they're the most popular airline for flying from Cardiff to St Louis.
It takes about 17 hrs 25 mins to fly from Cardiff to St Louis. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.
