¥14,830 Cheap Flights from St. Louis (STL) to San Diego (SAN)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to San Diego Intl. Airport (SAN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from St. Louis to San Diego (STL-SAN)

Prices were available within the past 7 days and start at ¥14,830 for one-way flights and ¥39,370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Delta
United

Frequently asked questions

How much is a flight from Lambert Field to SAN?
Round-trip journeys from Lambert Field to San Diego Airport start from ¥39,370. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to San Diego Airport?
Each air carrier has different terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from St. Louis Lambert International Airport to SAN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for St. Louis Lambert International Airport to San Diego Airport flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from Lambert Field to SAN?
There are plenty of ways to make the 6 hours and 3 minutes between Lambert Field and San Diego Intl. Airport (SAN) go by quicker. Be productive and sort through your photos or delete all those unwanted emails. A nice snooze also helps pass the time!
How far is the flight from STL to San Diego Intl. Airport (SAN)?
Around 2,500 kilometers separates St. Louis and San Diego, so pack something to keep you busy for a couple of hours. That novel you haven’t had time to finish will be perfect.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to San Diego Airport?
There are no direct flights, so you’ll need to make at least one stop between Lambert Field and SAN. Use the layover time to stretch your legs and freshen up.
Are STL to San Diego Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it’s no sure thing. While last-minute flight deals between Lambert Field and San Diego Intl. Airport (SAN) are of course possible, it’s also a good idea to keep an eye on prices well before you fly. In fact, some carriers release their prices up to 12 months ahead of the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking back and be ready to lock in your seat when the price is right.
*Available to Expedia members.