Cheap flights from Cardiff, United Kingdom to St. Louis, MO
Flights starting at £265. Choose between Frontier Airlines, easyJet, or KLM Royal Dutch Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to St. Louis
Cheapest one-way trip | £378 |
---|---|
Cheapest round-trip | £840 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Frontier Airlines, easyJet, KLM Royal Dutch Airlines, Aer Lingus, and Iberia Airlines. Cardiff and St. Louis have 97 direct flights per week.
Check-in for a flight from Cardiff to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
KLM Royal Dutch Airlines | KLM | KL | No | Opens 30 days before flight Closes 1 hours before flight |
Aer Lingus | EIN | EI | No | Opens 48 days before flight Closes 5 hours before flight |
Iberia Airlines | IBE | IB | Yes | Opens 24 days before flight Closes 3 hours before flight |
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Cardiff
- Flights from Cardiff to Málaga
- Flights from Cardiff to Faro
- Flights from Cardiff to Barcelona
- Flights from Cardiff to Amsterdam
- Flights from Cardiff to Edinburgh
- Flights from Cardiff to Dublin
- Flights from Cardiff to Tenerife
- Flights from Cardiff to Glasgow
- Flights from Cardiff to Palma, Majorca
- Flights from Cardiff to Istanbul
- Flights from Cardiff to Madrid
- Flights from Cardiff to London
- Flights from Cardiff to Alicante
- Flights from Cardiff to Belfast
- Flights from Cardiff to Ibiza
- Flights from Cardiff to Paris
- Flights from Cardiff to Athens
- Flights from Cardiff to New York
- Flights from Cardiff to Lanzarote
- Flights from Cardiff to Las Palmas
Flights to St. Louis
- Flights from London to St. Louis
- Flights from Manchester to St. Louis
- Flights from New York to St. Louis
- Flights from Cebu to St. Louis
- Flights from San Jose to St. Louis
- Flights from Atlanta to St. Louis
- Flights from Los Angeles to St. Louis
- Flights from Orlando to St. Louis
- Flights from Edinburgh to St. Louis
- Flights from Houston to St. Louis
- Flights from San Francisco to St. Louis
- Flights from Seattle to St. Louis
- Flights from Phoenix to St. Louis
- Flights from Portland to St. Louis
- Flights from Denver to St. Louis
- Flights from Dallas to St. Louis
- Flights from Glasgow to St. Louis
- Flights from Paris to St. Louis
- Flights from Charlotte to St. Louis
- Flights from Washington, D.C. to St. Louis
Popular routes
- Flights from Bangkok to Chiang Mai
- Flights from Lucknow to Chișinău
- Flights from London to New York
- Flights from Mytilene to Rio de Janeiro
- Flights from St. Louis to Cardiff
- Flights from Mayagüez to Nairobi
- Flights from Maun to San Antonio
- Flights from Laayoune to Grand Rapids
- Flights from Lancaster to Santa Marta
- Flights from Gwalior to Memphis
- Flights from Shillong to Barcelona
- Flights from Prague to Aqaba
- Flights from Carlsbad to Casablanca