$71 Cheap Flights from Raleigh (RDU) to San Antonio (SAT)

View $71 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to San Antonio International Airport (SAT)

Cheap Flights from Raleigh to San Antonio (RDU-SAT)

Prices were available within the past 7 days and start at $71 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 20 - Thu, Dec 4
RDU
Raleigh
SAT
San Antonio
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Nov 20 from Raleigh to San Antonio, returning Thu, Dec 4, priced at $160 found 2 days ago
Frontier Airlines
Sat, Dec 6 - Fri, Dec 12
RDU
Raleigh
SAT
San Antonio
$162 Roundtrip, found 9 hours ago
$162
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Raleigh to San Antonio, returning Fri, Dec 12, priced at $162 found 9 hours ago
Frontier Airlines
Wed, Dec 3 - Fri, Dec 5
RDU
Raleigh
SAT
San Antonio
$172 Roundtrip, found 1 hour ago
$172
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Dec 3 from Raleigh to San Antonio, returning Fri, Dec 5, priced at $172 found 1 hour ago
American Airlines
Tue, Jan 6 - Sat, Jan 10
RDU
Raleigh
SAT
San Antonio
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 6 from Raleigh to San Antonio, returning Sat, Jan 10, priced at $183 found 4 days ago
Frontier Airlines
Sat, Nov 15 - Thu, Dec 4
RDU
Raleigh
SAT
San Antonio
$186 Roundtrip, found 3 days ago
$186
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Raleigh to San Antonio, returning Thu, Dec 4, priced at $186 found 3 days ago
American Airlines
Wed, Jan 7 - Thu, Jan 8
RDU
Raleigh
SAT
San Antonio
$187 Roundtrip, found 5 days ago
$187
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jan 7 from Raleigh to San Antonio, returning Thu, Jan 8, priced at $187 found 5 days ago
Frontier Airlines
Thu, Dec 4 - Sun, Dec 7
RDU
Raleigh
SAT
San Antonio
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Raleigh to San Antonio, returning Sun, Dec 7, priced at $192 found 1 day ago
Spirit Airlines
Fri, Dec 5 - Sun, Dec 7
RDU
Raleigh
SAT
San Antonio
$202 Roundtrip, found 20 hours ago
$202
Roundtrip
found 20 hours ago
Select Spirit Airlines flight, departing Fri, Dec 5 from Raleigh to San Antonio, returning Sun, Dec 7, priced at $202 found 20 hours ago
Southwest Airlines
Wed, Dec 24 - Wed, Dec 31
RDU
Raleigh
SAT
San Antonio
$228 Roundtrip, found 4 days ago
$228
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Dec 24 from Raleigh to San Antonio, returning Wed, Dec 31, priced at $228 found 4 days ago
United
Tue, Feb 17 - Sat, Feb 21
RDU
Raleigh
SAT
San Antonio
$291 Roundtrip, just found
$291
Roundtrip
just found
Select United flight, departing Tue, Feb 17 from Raleigh to San Antonio, returning Sat, Feb 21, priced at $291 just found

Find the cheapest month to fly from Raleigh (RDU) to San Antonio (SAT)

March is typically the cheapest month to fly

From $128 - $432 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $487
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $487

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT) cost?
Snag a cheap one-way flight from $71 or cheap return flight from $160 from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT)?
Flying in November is a great way to save, as it's the cheapest month for flights between RDU and SAT. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline that'll fly you from RDU to SAT, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT)?
Nonstop flights from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RDU to SAT?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT)?
Choose a flight from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT) last-minute?
Holding off until just before your trip to book a ticket from RDU to SAT generally means paying more. While you might find some last-minute deals, there's no guarantee. Be flexible with your itinerary for a better chance of getting a bargain.
Is it cheaper to book a RDU to SAT flight and hotel package?
You'll typically save money by securing a RDU to SAT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT)?
If you reserved your RDU to SAT flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$160
Distance
1222 mi
Average flight time
4 hours 50 mins

Book with confidence

Raleigh to San Antonio Flights

The cheapest times to fly from Raleigh to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to San Antonio are during the month of November. You can find some of the cheapest flights from Raleigh to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to San Antonio

Sunday is one of the best days to book for cheap flights from Raleigh to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $71 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to San Antonio Flights

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*Available to One Key members.