Cheap flights from San Diego to St. Louis (SAN - STL) from $63

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 5h 15m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from San Diego to Lambert-St Louis offered by 6 different airlines.

Yes, there are multiple flights from San Diego to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $131, but on average you can expect to pay $171.

There are currently 12+ open flights from San Diego to St. Louis within the next 7 days for less than $200.

Cheapflights users have booked flights from San Diego to St. Louis round-trip from $131. Other airlines that can offer you cheap pricing are Spirit Airlines, from $177, and Alaska Airlines, from $238. Frontier is priced at 66% 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 $63. Users have also found prices from $108 and $159 on Spirit Airlines and Alaska Airlines, respectively.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a San Diego Airport to Lambert-St Louis Airport flight would often be abbreviated as a SAN to STL flight.

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

Chase Field, Desert Ridge Marketplace, and Orpheum Theater 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 Orpheum Theater can do so by traveling 4.0 mi, 16.7 mi, and 4.6 mi, respectively from Phoenix Sky Harbor Intl. Travelers can book a car rental at Phoenix Sky Harbor Intl for about $58 per day to make their sightseeing more efficient.

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

The amount of baggage you can bring on your San Diego to St. Louis 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 San Diego to St. Louis 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 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.

Many airlines flying from San Diego to St. Louis 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 San Diego to St. Louis 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 San Diego to St. Louis flight deals you see on this page were last updated on 6/9.

American Airlines, Alaska Airlines and Delta are the most popular airlines when flying from San Diego to St. Louis.

Currently, September is the cheapest month in which you can book a flight from San Diego to St. Louis (average of $318). Flying from San Diego to St. Louis in July is currently the most expensive (average of $365). 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.