$73+ Cheap flights from Raleigh to San Antonio (RDU - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Raleigh to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Raleigh-Durham to San Antonio are usually found in September or May, booked 86 days in advance, depart on a Saturday or Tuesday and return on a Wednesday
Cheap flight deals from Raleigh to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.
Round-trip from | $163 (Frontier) |
|---|---|
One-way from | $82 (Frontier) |
Popular in | April |
Cheapest in | September |
Average price | $368 |
Find flight deals from Raleigh to San Antonio
Cheapest flights from Raleigh to San AntonioExplore the most affordable flight options available from Raleigh to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.
Explore the most affordable flight options available from Raleigh to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.
This Frontier deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Raleigh to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
vie. 9/5
5:23 pm-2:27 pm
1 stop22h 04m
San Antonio
jue. 9/11
11:33 am-5:38 pm
1 stop5h 05m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
vie. 10/17
5:39 pm-4:37 pm
1 stop23h 58m
San Antonio
dom. 10/19
5:45 pm-6:20 pm
1 stop23h 35m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
vie. 9/5
6:22 am-4:30 pm
1 stop11h 08m
San Antonio
sáb. 9/13
3:22 pm-5:57 pm
1 stop25h 35m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
mié. 9/3
10:00 am-10:48 am
1 stop25h 48m
San Antonio
jue. 9/4
8:16 pm-4:28 pm
1 stop19h 12m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
jue. 10/16
7:15 pm-4:50 pm
1 stop22h 35m
San Antonio
lun. 10/20
7:10 pm-11:30 am
1 stop15h 20m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
mié. 9/17
7:25 pm-11:05 pm
1 stop4h 40m
San Antonio
mar. 9/23
1:10 pm-10:00 pm
1 stop7h 50m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
mar. 9/16
2:05 pm-6:05 pm
1 stop5h 00m
San Antonio
mar. 9/23
1:10 pm-7:35 pm
1 stop5h 25m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
mar. 10/7
1:05 pm-6:20 pm
1 stop6h 15m
San Antonio
mar. 10/14
12:20 pm-6:50 pm
1 stop5h 30m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
jue. 9/25
6:22 am-10:48 am
1 stop5h 26m
RaleighSan Antonio
RDU - SAT
RDUSAT
Raleigh-Durham
jue. 9/18
6:22 am-10:48 am
1 stop5h 26m
Best time to book a flight from Raleigh to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Raleigh with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Raleigh to San Antonio
How far ahead should I book a flight from Raleigh to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Raleigh to San Antonio. Price data was last updated on August 8, 2025.
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Raleigh to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Raleigh to San Antonio (average of $295). Flying from Raleigh to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from RDU to SAT?
Find hourly flight availability from Raleigh to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.
One of the essential ways to save on airfare from Raleigh to San Antonio is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.
What is the cheapest day to fly from Raleigh to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Raleigh to San Antonio. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Raleigh to San Antonio flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Raleigh to San Antonio?
Share of 1-stop round-trip flights from Raleigh to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Fort Lauderdale (FLL) – chosen by Cheapflights users on 29% of 1-stop itineraries from Raleigh to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from Raleigh to San Antonio?
Average round-trip fare for 1-stop flights from Raleigh to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $258.
What’s the fastest layover option from Raleigh to San Antonio?
Shortest average travel time for 1-stop one-way flights from Raleigh to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 4h 50m.
Which airport typically offers the quickest layover for flights from Raleigh to San Antonio?
Average layover duration for 1-stop one-way flights from Raleigh to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 48m.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated agosto 14, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Raleigh to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Boarding
Food
Comfort
Entertainment
Overall
Reviews
Walter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Raleigh to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Raleigh to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Raleigh to San Antonio
Discover the top 6 airlines that operate flights from Raleigh to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$315 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$114 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$396 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$495 | FlexibilityNo cancel fee | On-time69% |