Cheap flights from San Diego to St. Louis from £68
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to St. Louis
Not happy with the results? Try some of our useful filters
Not happy with the results? Try some of our useful filters
How much do flights to St. Louis cost?
Cheapest one-way trip | £68 |
|---|---|
Cheapest round-trip | £144 |
Average round-trip | £207 |
Includes rare itinerary | |
Most popular airline | United Airlines |
Key info about flying to St. Louis
Check-in for a flight from San Diego to St. Louis
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| United Airlines | UAL | UA | No |
| Frontier Airlines | FFT | F9 | No |
| Alaska Airlines | ASA | AS | No |
| JetBlue Airways | JBU | B6 | No |
| Hawaiian Airlines | HAL | HA | No |
Online check-in is not available for these airlines.
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
St. Louis travel tips
Admire the mosaic ceiling of the Cathedral Basilica in St. Louis
The Cathedral Basilica of St. Louis is also known as the Cathedral of the Roman Catholic Church or St. Louis Cathedral. The temple, which was built in 1914, accommodates 2.5 thousand parishioners on benches and about 5 thousand people standing. The cathedral is famous for its mosaic ceiling, which took more than 70 years to create. It is composed of over forty million mosaic pieces. There is also a museum in the basement (admission is free).
Watch out for stormy weather in St. Louis
Be sure to check the weather forecast and storm warnings before visiting St. Louis. The most unpleasant thing about the climate of St. Louis is storms, which can be very severe (strong winds, showers, and tornadoes) and occur at any time of the year. According to statistics, St. Louis experiences stormy weather 48 days a year.
MetroBus in St. Louis covers many areas of the city but is time-consuming
Metro's bus system offers 70+ routes on both sides of the Mississippi River. Buses are the best option to get to such St. Louis regions as Tower Grove and The Hill. Still, remember that buses are time-consuming, so if you are in a hurry, you better use MetroLink or hail a taxi.
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from San Diego
Flights to St. Louis
Popular routes
Airports near San Diego
Airports near St. Louis
Download our app