Cheap flights from San Diego, CA to St. Louis, MO
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 | $176 |
---|---|
Cheapest round-trip | $355 |
Most popular airline | United Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to St. Louis. The most popular airlines for this route are United Airlines, and Alaska Airlines. San Diego and St. Louis have 40 direct flights per week.
Check-in for a flight from San Diego to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | |
Alaska Airlines | ASA | AS | 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
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 San Diego
- Flights from San Diego to Las Vegas
- Flights from San Diego to Denver
- Flights from San Diego to Austin
- Flights from San Diego to Cincinnati
- Flights from San Diego to Philadelphia
- Flights from San Diego to New York
- Flights from San Diego to Atlanta
- Flights from San Diego to Washington, D.C.
- Flights from San Diego to Raleigh
- Flights from San Diego to Chicago
- Flights from San Diego to Phoenix
- Flights from San Diego to Orlando
- Flights from San Diego to San Antonio
- Flights from San Diego to Charlotte
- Flights from San Diego to Minneapolis
- Flights from San Diego to Detroit
- Flights from San Diego to Cleveland
- Flights from San Diego to New Orleans
- Flights from San Diego to Dallas
- Flights from San Diego to San Francisco
Flights to St. Louis
- Flights from Los Angeles to St. Louis
- Flights from Denver to St. Louis
- Flights from Las Vegas to St. Louis
- Flights from Atlanta to St. Louis
- Flights from San Francisco to St. Louis
- Flights from Orlando to St. Louis
- Flights from Minneapolis to St. Louis
- Flights from Phoenix to St. Louis
- Flights from Sacramento to St. Louis
- Flights from Seattle to St. Louis
- Flights from Houston to St. Louis
- Flights from New York to St. Louis
- Flights from Fort Lauderdale to St. Louis
- Flights from Washington, D.C. to St. Louis
- Flights from Salt Lake City to St. Louis
- Flights from San Jose to St. Louis
- Flights from Oakland to St. Louis
- Flights from Portland to St. Louis
- Flights from Fresno to St. Louis
- Flights from London to St. Louis
Popular routes
- Flights from Bucaramanga to Bogotá
- Flights from New York to Hyderabad
- Flights from New York to Istanbul
- Flights from Tel Aviv to Amsterdam
- Flights from Berlin to London
- Flights from Cebu to Busuanga, Palawan
- Flights from Philadelphia to Orlando
- Flights from Orlando to New York
- Flights from Boston to San Francisco
- Flights from Chicago to Sacramento
- Flights from Paris to Barcelona
- Flights from Paris to Madrid
- Flights from San Diego to San Antonio