Book Cheap American Airlines flight from St. Louis (STL) to San Diego (SAN)

Find The Best Day to Book a Cheap American Airlines Flights From St. Louis to San Diego

Cheapest American Airlines Flights from St. Louis (STL) to San Diego (SAN)

The cheapest flights to San Diego Intl. found within the past 7 days were CA $428 round trip and one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Lambert Field to San Diego Airport right now?
It’s always prudent to find out about any travel advice reports and quarantine requirements in effect in your destination. Ensure you visit the Covid-19 Travel Advisor for up-to-date info on flying to San Diego Airport from St. Louis Lambert International Airport.
What terminal is American Airlines at St. Louis Lambert International Airport?
You should find out which terminal American Airlines departs from at St. Louis Lambert International Airport once you receive your boarding pass. The same goes for information about your arrival at SAN. If you can’t locate those details, consult your airline.
Are there American Airlines non-stop flights from STL to SAN?
Plan for at least one stopover when flying from St. Louis Lambert International Airport to SAN, as American Airlines doesn’t offer any direct flights between these two locations. While in transit, you might like to purchase a new novel or a travel magazine from the airport bookstore to help pass the time.
How long is an American Airlines flight from STL to SAN?
Enjoy some in-flight shut-eye and start your getaway raring to go. You’ll have enough time to do so when traveling with American Airlines between STL and SAN, with the flight taking around 5 hours and 11 minutes.
How many direct and indirect flights does American Airlines fly from STL to SAN?
If you’re considering a jaunt from STL to SAN, you can pick from 5 American Airlines flights each day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to San Diego Intl. Airport (SAN), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Grab a great American Airlines flight from STL to SAN 

To find a great deal on American Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights. 

Flying American Airlines St. Louis to San Diego gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.  

 

Find cheap flights with American Airlines between St. Louis and San Diego 

American Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from St. Louis to San Diego with American Airlines are .  

The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.  

 

Reasons to book your American Airlines flights with Travelocity 

Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.  

American Airlines Airports
Hop on a(n) American Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
DFWUSADallas-Fort Worth Intl.599
CLTUSACharlotte-Douglas Intl.536
ORDUSAO'Hare Intl.317
PHLUSAPhiladelphia Intl.247
MIAUSAMiami Intl.193
DCAUSARonald Reagan Washington National152
PHXUSASky Harbor Intl.141
LAXUSALos Angeles Intl.81
LGAUSALaGuardia72
BOSUSALogan Intl.57

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