Skip to main content
Beginning of main content

STL (St. Louis) to SAN (San Diego) Flights $273.6

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap STL to SAN Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to San Diego (STL to SAN)

Question : Do travelers from Saint Louis typically stay in San Diego for very long?
Answer : Over the next two months, passengers from STL to SAN are planning on staying for six days on average.

Question : How many departure times from Lambert-St. Louis International Airport (STL) to San Diego International Airport (SAN) are there on a daily basis?
Answer : Of course the day of the week matters, but on average, only one flight time exists when you fly from STL to SAN. Compared to the average route departing the United States with five flight times, you won't have as many choices as most.

Question : Which airline has been on time from Lambert-St. Louis International Airport (STL) to San Diego International Airport (SAN) the most?
Answer : Southwest Airlines will have you to SAN on time 85% of the time. Spend as little time in an airport as necessary by flying with Southwest Airlines. Note that if they do have a delay, it usually lasts less than 15 minutes.

Question : Which airline is least likely to get you to SAN on time?
Answer : 100% of NetJets Aviation flights from Lambert-St. Louis International Airport (STL) to San Diego International Airport (SAN) are delayed. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.

Question : In the next four weeks, what day should you book your trip?
Answer : As of Jun 19th, the cheapest day to fly from Saint Louis to San Diego is Jul 7th. Tickets are currently being sold for $254, which is 38% below the average price for this route.

Question : What's the likelihood of you being delayed on this route?
Answer : STL to SAN currently scores 4 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delay minutes. With 4 stars, you should feel at ease about getting to San Diego on time.

Question : Who's offering the cheapest round-trip flight to San Diego International Airport (SAN) over the coming months?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $194, while prices for other flights are as high as $1,245.