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The cheapest time of year to fly to San Diego from St. Louis is September. Most expensive is June
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
in the evening
St. Louis to San Diego flights are approximately 35% more expensive in the morning than in the evening
American Airlines, Frontier, and Juneyao Airlines are the most popular carriers operating from St. Louis to San Diego
Lambert-St Louis - San Diego
Fly from Lambert-St Louis to San Diego for the best St. Louis - San Diego flight prices
19 days before
The cheapest time to buy a flight from St. Louis to San Diego is approximately 19 days to departure
When traveling from St. Louis to San Diego, the most popular airport to fly into is San Diego Airport. The majority of travelers flying into San Diego Airport from St. Louis are departing from Lambert-St Louis Airport. If you are looking for an alternate airport near Lambert-St Louis Airport, Springfield Capital Airport is a great option and is located in Springfield. You may be looking for an airport near San Diego Airport to land at when traveling from St. Louis and luckily, there are options! You can try Ontario Airport which is located in Ontario, Santa Ana J. Wayne/Orange Cnty Airport which is located in Santa Ana, or Long Beach Municipal Airport which is located in Long Beach. In August, $122 is typically the cheapest round trip price you’ll find from St. Louis to San Diego which you can find when you fly STL — SAN.
|Lambert-St Louis Airport (STL) to San Diego Airport (SAN)||$122|
|Lambert-St Louis Airport (STL) to Ontario Airport (ONT)||$149|
|Lambert-St Louis Airport (STL) to Santa Ana J. Wayne/Orange Cnty Airport (SNA)||$139|
|Lambert-St Louis Airport (STL) to Long Beach Municipal Airport (LGB)||$364|
|Lambert-St Louis Airport (STL) to Palm Springs Airport (PSP)||$308|
|Springfield Capital Airport (SPI) to Palm Springs Airport (PSP)||$521|
|Juneyao Airlines||PriceFrom $16||Free Cancellation||Rating|
|Spirit Airlines||PriceFrom $52||Free Cancellation||Rating|
I liked the notification e-mails I received since there was a delay returning back home. The staff members were friendly & funny.
1 / 10
|Frontier||PriceFrom $104||Free Cancellation||Rating|
Flight was extremely delayex
1 / 10
|United Airlines||PriceFrom $161||Free Cancellation||Rating|
hot and noisy flight- someone a few rows back had speaker on for game while wearing headphones and blissfully unaware.
1 / 10
|Delta||PriceFrom $237||Free Cancellation||Rating|
This is another disease as if you have the Internet, you are ordinary deceivers!
1 / 10
|Alaska Airlines||PriceFrom $275||Free Cancellation||Rating|
They upgraded me to first class with my sister
1 / 10
|American Airlines||PriceFrom $286||Free Cancellation||Rating|
Never made it connecting flight was canceled. Waste of $$$
1 / 10
The lowest priced Southwest flight from St. Louis to San Diego from the last 72 hours was $281. Generally, Southwest has 20 flights on this route every week with an average price of $490. Southwest is rated 7.5/10 by our users.
To ease the stress of booking flights, some of our airline partners flying from Lambert-St Louis to San Diego are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: American Airlines, Frontier, and United Airlines.
There are 1560.0 mi between Lambert-St Louis and San Diego. By plane, this route typically takes 5h 49m.
Finding the right flight to San Diego from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.
Flights from St. Louis to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to San Diego.
Yes momondo offers price alerts on flights to San Diego from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.