STL to SAN (St. Louis to San Diego) Flights

Last Minute Flights from STL to SAN

Best airfare and ticket deals for STL to SAN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
STLSan DiegoApril 27 to May 14$115
*Prices include taxes and fees

Cheapest STL to SAN Flights

Best airfare and ticket deals for STL to SAN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
STLSan DiegoMay 15 to May 18$97
STLSan DiegoMay 14 to May 21$100
STLSan DiegoMay 6 to May 14$111
STLSan DiegoJuly 19 to August 6$226
*Prices include taxes and fees
STL to SAN Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
San Diego Intl.
Destination airport IATA code
SAN
Distance
1554 mi

Frequently asked questions

Which airlines with flights from STL to SAN allow free cancellation due to COVID-19?
Air carriers offering flexible fares from Lambert-St. Louis International Airport to SAN are a cinch to find using our filter tool. Exactly what COVID-19 related changes are covered is detailed in each fare’s policies. Just type in your travel details, then check the “No change fee” box. It’s located to the left of the screen under the “Flexible change policies” section.
What airlines fly direct from STL to San Diego, CA Airport (SAN-San Diego Intl.)?
Lock in a seat with Southwest Airlines (WN) and you won’t have the stress of changing planes or whiling away time on a stopover. This carrier offers 30 nonstop flights a month from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to San Diego, CA Airport (SAN-San Diego Intl.).
How many flights are there from STL to SAN?
Approximately 100 every day. If you’re in a rush to fly to San Diego County, see if you can nab an awesome last-minute deal from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to San Diego, CA Airport (SAN-San Diego Intl.) and then secure it quick!
How long does it take to fly from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to San Diego, CA Airport (SAN-San Diego Intl.)?
On average, 5 hours and 41 minutes. On a day flight? Request a seat by a window and stare out at the views. Otherwise, if you’re flying from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to San Diego, CA Airport (SAN-San Diego Intl.) late evening, have a nap and land in San Diego County refreshed and rested.
What is the flight distance from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to San Diego, CA Airport (SAN-San Diego Intl.)?
At 1550 miles (2500 km), this medium-haul flight is no endurance event, but it’s no stroll in the park either. Get to San Diego County feeling recharged by enjoying a nap along the way.
How many morning flights are there from STL to SAN?
Get ready to jet off aboard one of the 340 morning flights from STL to SAN available every week.
  • Southwest Airlines (WN) operates 110 weekly flights jetting off before noon. The earliest one you can take is 5:55AM.
  • 5:20AM is the earliest you can travel from STL to SAN with American Airlines (AA). This airline has 95 early flights each week.
  • Book a seat with United Airlines (UA) and you’ll have approximately 73 morning flights to take your pick of. The earliest departure time from STL is 12:45AM.
How many afternoon flights are there from STL to SAN?
If the words “get up early” just aren’t part of your vocabulary, get aboard one of the 364 weekly afternoon and evening flights from STL to SAN.
  • Southwest Airlines (WN) operates 132 weekly services that leave after midday. The earliest departure is 12:30PM.
  • If you’d like to grab a seat with Delta (DL), look up the 71 weekly afternoon and evening flights that leave from 12:35PM onward.
  • Otherwise, get on board with United Airlines (UA). This airline has 70 weekly flights after midday, with the earliest leaving at 1:00PM.
What is the earliest departure time out of St. Louis to San Diego County?
Fly out of STL at 12:45AM and touch down at SAN at 3:52PM. This is the earliest service you can take on this route.
What is the latest departure time out of St. Louis to San Diego County?
From STL, the last flight jets off at 10:15PM and comes in for landing at SAN at 6:25PM. If you’re not a fan of early starts, this is the perfect flight for you.
What is the average price from St. Louis to San Diego County?
Round-trip fares for this route start from about $97. When you’re ready to take to the skies, we’re ready to help you score the best price in town. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to San Diego Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to San Diego to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from STL to SAN, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from St. Louis to San Diego, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.