Cheap Flights from Charlotte Douglas to San Antonio International

Travellers and cabin class

Compare Charlotte Douglas to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

Book the best San Antonio International fare with no extra fees

Flight deals from Charlotte Douglas to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Charlotte Douglas to San Antonio International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Charlotte Douglas to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charlotte Douglas to San Antonio International flights are currently cheapest in May.

Direct flights from Charlotte Douglas to San Antonio International

Charlotte Douglas to San Antonio International: Alternative routes

Compare routes from Charlotte Douglas to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Charlotte to San Antonio: Flight information

The things to know before you go.
Cheapest flight found172 €
Cheapest month to flyMay
Average flight time3 hrs, 4 mins
Most popular airlineAmerican Airlines
Average flights per week34

Finding cheap flights from Charlotte Douglas to San Antonio International: Frequently asked questions

The best price we found for a return flight from Charlotte Douglas to San Antonio International is 172 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 4 minutes is the average flight time from Charlotte Douglas to San Antonio International.
American Airlines flies direct from Charlotte Douglas to San Antonio International.
As of March 2025, there are 34 flights per week flying from Charlotte Douglas to San Antonio International.
The cheapest month to fly from Charlotte Douglas to San Antonio International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charlotte Douglas Airport to San Antonio International Airport on Wednesday, 7 May 2025.
Yes – the average flight time is 3 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and American Airlines offer the cheapest flight tickets to San Antonio International.

Travelling from Charlotte Douglas International Airport (CLT) to San Antonio International Airport (SAT): what you need to know

  • 3 hours 1 minute is the average duration of a direct flight from Charlotte Douglas International Airport to San Antonio International Airport. San Antonio is 1 hour behind Charlotte and is in the UTC-5 timezone.

  • Choose from 39 weekly flights from Charlotte Douglas International Airport to San Antonio International Airport. The 06:10 departure with American Airlines is the earliest you can take between CLT and SAT. American Airlines operates the latest service of the day at 22:30 if you're not into early starts.

  • Taking off during a peak period like public or school holidays? Expect longer lines at check-in and security. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

  • If you'd like to break up your flight from Charlotte Douglas International Airport to San Antonio International Airport, add a stopover to your trip. Simply deselect 'Direct flights only' to find a city that catches your eye. Popular stopovers on the CLT - SAT route include:

    • George Bush Intercontinental Airport

    • Louis Armstrong New Orleans International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Charlotte Douglas International Airport (CLT) to San Antonio International Airport (SAT)

  • The lowest price we've found for a one-way ticket from Charlotte Douglas International Airport to San Antonio International Airport is 85 €. For a return flight on this route, the best price is 172 €. Depending on the availability and when you book, these fares could change.

  • To get cheap tickets from CLT to SAT, book your journey 9 months before your departure date.

  • May is the cheapest month for tickets from Charlotte Douglas International Airport to San Antonio International Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • Set up a Price Alert for cheap tickets from CLT to SAT. There's no need to check back in every day to find out if fares have dropped. We'll notify you when there's a change in price.

  • Use filters to tailor your flights from Charlotte Douglas International Airport to San Antonio International Airport. Simply select your ideal arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about Charlotte Douglas International Airport (CLT)

  • Located around 14 kilometres from the centre of Charlotte, Charlotte Douglas International Airport can be reached in approximately 21 minutes by car, depending on traffic. The same journey by public transport is roughly 4 hours and 53 minutes.

  • After an easy way to start to your holiday? Stay near CLT. Whether you're boarding an early flight from Charlotte Douglas International Airport to San Antonio International Airport or just don't want to be rushed, these stays are perfect:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • San Antonio International Airport is approximately 19 kilometres from central San Antonio. With your own car rental or in a cab, the drive is about 21 minutes.

  • It takes roughly 1 hour and 32 minutes if you're using public transport.

When to fly to San Antonio International Airport (SAT)

  • It's time to plan your travel dates for your flight from Charlotte Douglas International Airport to San Antonio International Airport. July is the busiest month to visit San Antonio. If you prefer a more low-key vibe, go in April.

  • The warmest month in San Antonio is August, with temperatures ranging between 23ºC and 40ºC. Book your flights from Charlotte Douglas International Airport to San Antonio International Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from CLT to SAT in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 20ºC on average.

More about San Antonio

  • Start your San Antonio trip right by finding a great place to stay. After booking your flight from CLT to SAT, browse our range of hotel options including:

  • The San Antonio River Walk and San Antonio Missions National Historical Park are a couple of top attractions to add to your San Antonio travel itinerary. Keep the adventure rolling by checking out San Fernando Cathedral.

Complete your San Antonio trip with hotels and a car rental

  • Comparing flights is not the only thing we do. Once you've secured your cheap ticket to San Antonio International Airport, explore our car rental deals that'll give you the freedom and flexibility to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the ideal San Antonio stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.