Cheap Flights from St. Louis (STL) to San Antonio (SAT)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to San Antonio International Airport (SAT)

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Find the cheapest month to fly from St. Louis (STL) to San Antonio (SAT)

November is typically the cheapest month to fly

From ¥23,390 - ¥73,605 per traveler.

Frequently asked questions

How much is a flight from STL to SAT?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between STL and San Antonio Airport was . Cheap tickets don't hang around forever, so book yours today. 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-St. Louis Intl. Airport (STL) to San Antonio Airport?
Most flights can be conveniently canceled online, but whether or not you are charged a fee all comes down to your airline. If you do have to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to San Antonio Airport 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 SAT flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from STL to San Antonio Airport?
It only takes around 5 hours and 16 minutes to fly from Lambert-St. Louis Intl. Airport (STL) to San Antonio Airport — just enough time for a power nap. You'll be landing in San Antonio by the time you wake up.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to San Antonio Airport?
You won't need a lengthy novel for this flight — it's just 1,250 kilometers from St. Louis to San Antonio. Find your seat, order some food and you'll be in San Antonio before you know it.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to SAT?
You won't find any airlines flying directly between St. Louis Lambert International Airport and San Antonio Intl. Airport (SAT), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are St. Louis Lambert International Airport to San Antonio Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from St. Louis Lambert International Airport to San Antonio Airport can be hit-or-miss. You may be able to find a bargain, but you could also miss out completely! If you'd rather play it safe and start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines issue their prices so far in advance. Our suggestion? Check back often as updates are made frequently.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
San Antonio Intl.
Distance
1258 km
Average flight time
3 hours 20 mins

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