$57+ Cheap flights from San Diego to St. Louis (SAN - STL)

To fly from San Diego to St. Louis, you need to book a flight from San Diego (SAN) to Lambert-St Louis (STL). Nonstop flights to Lambert-St Louis from San Diego take 3h 30m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from San Diego to Lambert-St Louis offered by 5 different airlines.

Flights from San Diego to Lambert-St Louis have been viewed 1 times in the past calendar month.

Airlines like Frontier and Southwest fly from San Diego to St. Louis in about 5h 25m. The time it takes to get you to your destination can typically vary by up to 23h 30m. San Diego and St. Louis are separated by a distance of 1553 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Cheapflights users have booked flights from San Diego to St. Louis round-trip from $117. Other airlines that can offer you cheap pricing are Delta, from $148, and American Airlines, from $249. Frontier is priced at 69% lower than the current average price of a flight leaving 3 months from now.

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $82. Users have also found prices from $116 and $128 on United Airlines and American Airlines, respectively.

Looking for the cheapest flight from San Diego to St. Louis? While on average our users pay $458, our data indicates the cheapest price to be $128. The most popular route (San Diego - Lambert-St Louis), is priced around $137.

Of the flights from San Diego to St. Louis that have layovers, most of them stop in Phoenix.

Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are currently the most popular points of interest in Phoenix at the moment. Those on a layover in Phoenix interested in visiting Chase Field, Desert Ridge Marketplace, or Phoenix Symphony Hall can do so by traveling 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers can book a car rental at Phoenix Sky Harbor Intl for about $51 per day to make their sightseeing more efficient.

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

Yes. In addition to deals on San Diego to St. Louis 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 San Diego to St. Louis.

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

Currently, September is the cheapest month in which you can book a flight from San Diego to St. Louis (average of $71). Flying from San Diego to St. Louis in March is currently the most expensive (average of $220). 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.