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$76+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SAT
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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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 September 14, 2025.

Round-trip from

$155
(Frontier)

One-way from

$76
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$346
From Raleigh-Durham to San Antonio
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One-way flight from Raleigh-Durham to San Antonio
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Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Raleigh to San Antonio

Cheapest flights from Raleigh to San Antonio
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 September 14, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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.
Thu 9/256:22 amRDU - SAT
1 stop5h 26mFrontier
Thu 10/28:20 pmSAT - RDU
1 stop19h 08mFrontier
Deal found 9/14$155
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:10 amRDU - SAT
1 stop11h 30mFrontier
Fri 11/145:35 pmSAT - RDU
1 stop28h 23mFrontier
Deal found 9/12$170
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:22 amRDU - SAT
1 stop5h 26mFrontier
Mon 9/295:40 pmSAT - RDU
1 stop25h 57mFrontier
Deal found 9/12$178
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:22 amRDU - SAT
1 stop11h 08mFrontier
Mon 9/225:40 pmSAT - RDU
1 stop25h 57mFrontier
Deal found 9/12$184
This Southwest deal was found by Cheapflights users on 9/12. 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.
Sat 10/185:40 amRDU - SAT
1 stop5h 00mSouthwest
Tue 10/213:35 pmSAT - RDU
1 stop5h 55mSouthwest
Deal found 9/12$208
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:22 amRDU - SAT
2 stops12h 50mMultiple Airlines
Mon 9/295:40 pmSAT - RDU
1 stop25h 57mMultiple Airlines
Deal found 9/12$211
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:10 amRDU - SAT
1 stop11h 30mMultiple Airlines
Fri 11/145:35 pmSAT - RDU
2 stops18h 44mMultiple Airlines
Deal found 9/12$212
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:39 pmRDU - SAT
1 stop23h 58mFrontier
Fri 10/177:10 pmSAT - RDU
1 stop13h 25mFrontier
Deal found 9/12$213
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:42 pmRDU - SAT
2 stops20h 45mFrontier
Mon 9/295:40 pmSAT - RDU
1 stop25h 57mFrontier
Deal found 9/12$214
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:23 amRDU - SAT
1 stop8h 52mFrontier
Sun 10/265:47 pmSAT - RDU
1 stop23h 33mFrontier
Deal found 9/12$215
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:15 amRDU - SAT
1 stop11h 37mMultiple Airlines
Sun 10/197:35 pmSAT - RDU
1 stop17h 45mMultiple Airlines
Deal found 9/14$220

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
Use the filters below to find and compare flights from Raleigh to San Antonio that are best for you.

Fly from

Raleigh

Fly to

San Antonio

Route

Depart

Return

Price

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 9/25

6:22 am-10:48 am

1 stop5h 26m

San Antonio

Thu 10/2

8:20 pm-4:28 pm

1 stop19h 08m

$155

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 9/25

6:22 am-6:12 pm

2 stops12h 50m

San Antonio

Mon 9/29

5:40 pm-8:37 pm

1 stop25h 57m

$211

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sat 10/11

5:59 pm-11:14 am

1 stop18h 15m

San Antonio

Sat 10/18

2:04 pm-8:52 am

2 stops17h 48m

$241

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 10/16

9:09 am-6:30 pm

1 stop10h 21m

San Antonio

Mon 10/20

5:45 pm-6:51 pm

2 stops24h 06m

$241

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sun 10/12

6:15 am-4:52 pm

1 stop11h 37m

San Antonio

Tue 10/14

7:00 am-11:58 am

2 stops27h 58m

$250

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 11/13

9:56 am-1:41 pm

1 stop4h 45m

San Antonio

Mon 11/17

2:46 pm-11:18 pm

1 stop7h 32m

$257

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Fri 10/24

10:23 am-6:15 pm

1 stop8h 52m

San Antonio

Sun 10/26

5:47 pm-9:35 am

2 stops14h 48m

$274

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 9/25

9:49 pm-8:52 pm

2 stops24h 03m

San Antonio

Thu 10/2

2:54 pm-8:28 am

2 stops16h 34m

$293

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Tue 10/14

3:10 pm-11:25 pm

1 stop9h 15m

San Antonio

Tue 10/21

1:05 pm-10:15 pm

1 stop8h 10m

$297

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sat 10/25

5:03 pm-10:42 pm

1 stop6h 39m

San Antonio

Wed 10/29

6:25 am-1:59 pm

1 stop6h 34m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
1
2
3

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 September 12, 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 September 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.

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 September 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.
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,956 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,931 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Raleigh to San Antonio?

    There are many flights that can get you from Raleigh to San Antonio in 5h 26m. Fly via Frontier to get the fastest option. Airlines will cover a distance of 1222 mi.

  • What are the cheapest airlines flying from Raleigh to San Antonio round-trip?

    Currently priced at $103, Spirit Airlines will fly you from Raleigh to San Antonio and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $126 and $248, respectively. You may be able to fly from Raleigh to San Antonio for 74% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Raleigh to San Antonio one-way?

    $97 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Frontier and Spirit Airlines, with prices starting from $105 and $112, respectively.

  • Can I find deals for flights from Raleigh to San Antonio that include hotel bookings?

    Yes. In addition to deals on Raleigh to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to San Antonio.

  • Can I find deals for business class flights from Raleigh to San Antonio?

    Yes. Cheapflights offers flight deals from Raleigh to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Raleigh to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$103Average$315FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$262FlexibilityNo cancel feeOn-time62%
DeltaCheapest$248Average$400FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$284Average$402FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$295Average$398FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$316Average$472FlexibilityNo cancel feeOn-time69%

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