Cheap flights from St. Louis to San Diego (STL - SAN) from $69

If you book a flight from St. Louis to San Diego, you will be flying from Lambert-St Louis to San Diego. Flights to San Diego (SAN) from Lambert-St Louis (STL) take 5h 18m for a nonstop flight. There is 1 flight from Lambert-St Louis to San Diego per day from 6 airlines.

Yes, there are multiple flights from St. Louis to San Diego for under $200. The cheapest flight booked recently is on Frontier for just $137, but on average you can expect to pay $183.

There are currently 9+ open flights from St. Louis to San Diego within the next 7 days for less than $200.

Flying on Frontier is currently your cheapest option to San Diego, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $222 and $223, respectively. You may be able to fly from St. Louis to San Diego for 61% less than the average price by searching for these airlines.

The cheapest airlines for a one-way flight from St. Louis to San Diego are Frontier ($69), Spirit Airlines ($81), and Delta ($123).

STL and SAN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to SAN refers to a flight route from Lambert-St Louis Airport to San Diego Airport.

St. Louis to San Diego flights have a layover in Denver most often.

The majority of Denver visitors spend their time at Coors Field, 16th Street Mall, and Civic Center Park. Travelers on a layover in Denver can visit Coors Field, 16th Street Mall, and Civic Center Park, by traveling 18.4 mi, 18.7 mi, and 18.7 mi, respectively after landing at Denver Intl. Travelers can rent a car at Denver Intl for an average daily rate of $52 to make sightseeing during their layover a little easier.

St. Louis to San Diego flights have a layover in Phoenix the least frequently.

The amount of baggage you can bring on your St. Louis to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter St. Louis to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on St. Louis to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to San Diego.

Yes. Cheapflights offers flight deals from St. Louis to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from St. Louis to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on St. Louis to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The St. Louis to San Diego flight deals you see on this page were last updated on 6/10.

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to San Diego.

Currently, October is the cheapest month in which you can book a flight from St. Louis to San Diego (average of $288). Flying from St. Louis to San Diego in July is currently the most expensive (average of $346). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.