Cheap flights from St. Louis, MO to San Diego, CA
Flights starting at £68. Choose between Frontier Airlines, United Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to San Diego
Cheapest one-way trip | £129 |
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Cheapest round-trip | £261 |
Most popular airline | Frontier Airlines |
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Check-in for a flight from St. Louis to San Diego
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 |
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
San Diego travel tips
1) Do you want to know more about prehistoric California in San Diego? | The San Diego Natural History Museum is considered the oldest of its kind in Southern California. The museum was opened in 1874 and is housed in a beautiful colonial-style building in Balboa Park. In the museum, you will find many exhibits that tell about the prehistoric era in California. You can study fossils, copies of living organisms, and bones of prehistoric animals. |
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2) What is the best public transportation to get around in San Diego? | Public transport in San Diego is represented by trams and buses. The tram line was launched in 1981 and became the first modern tram system in America. San Diego Trolley is represented by three lines (blue, orange, and green). The fare for buses and trams is the same – $2.5. The ticket is valid for 2 hours from the moment of the first change. Public transportation covers the entire city, including the San Diego suburbs, so you can easily reach every corner of the city. |
3) Where to buy clothes at discounted prices in San Diego? | America is impossible without shopping! If you are looking for inexpensive but quality items, go shopping at outlets in San Diego. Here are a few malls to get started with: Carlsbad Premium Outlets, Viejas, Fashion Valley, and others. |
Weather in San Diego
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 10°C |
February | 17°C | 10°C |
March | 18°C | 11°C |
April | 19°C | 12°C |
May | 20°C | 14°C |
June | 22°C | 16°C |
July | 24°C | 18°C |
August | 25°C | 19°C |
September | 25°C | 19°C |
October | 23°C | 16°C |
November | 21°C | 13°C |
December | 17°C | 11°C |
14 day forecast
Frequently asked questions
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