$70 Cheap Flights from San Antonio (SAT) to St. Louis (STL)

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

Prices were available within the past 7 days and start at $70 for one-way flights and $127 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Flights from San Antonio (SAT) to St. Louis (STL)
Origin airport
San Antonio Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Roundtrip price
$127
Distance
786 mi
Average flight time
2 hours 6 mins

San Antonio to St. Louis Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Antonio to St. Louis offer the perfect respite. Not only does exploring St. Louis provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from San Antonio to St. Louis may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from SAT to STL today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of St. Louis are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to St. Louis more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to St. Louis is $70 now!

Frequently asked questions

How much is a flight from San Antonio Airport to St. Louis Lambert International Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from San Antonio Intl. Airport (SAT) to Lambert Field start from $127. Book today to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SAT to St. Louis Lambert International Airport?
We understand that things come up unexpectedly, so we’ve made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from San Antonio Intl. Airport (SAT) to Lambert Field 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 SAT to Lambert-St. Louis Intl. Airport (STL) flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from San Antonio Intl. Airport (SAT) to St. Louis Lambert International Airport?
There are plenty of ways to make the 4 hours and 52 minutes between San Antonio Airport and Lambert-St. Louis Intl. Airport (STL) go by faster. Be productive and sort through your camera roll or delete all those backed-up emails. A snooze also helps pass the time!
How far is the flight from SAT to Lambert Field?
It’s just 777 mi between San Antonio and St. Louis. It’s quite possible that you’ll spend more time getting to and from the airport than you will actually flying!
Which airlines fly direct from San Antonio Intl. Airport (SAT) to Lambert-St. Louis Intl. Airport (STL)?
A popular option with many savvy travelers, Southwest Airlines (WN) operates 30 monthly flights from San Antonio Intl. Airport (SAT) to St. Louis Lambert International Airport. Pick the one that fits with your travel plans and book your seat today.
Are San Antonio Airport to STL flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from SAT to St. Louis Lambert International Airport can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you’d prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines issue their prices that far in advance. Our suggestion? Check back often as updates are made regularly.
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