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$59+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SAT
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to San Antonio are usually found in September or August, 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 June 30, 2025.

Round-trip from

$174
(Frontier)

One-way from

$59
(Priceline)

Popular in

April

Cheapest in

September

Average price

$382
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. 10% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This Frontier deal was found by Cheapflights users on 6/28. 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 8/75:15 pmRDU - SAT
1 stop24h 37mFrontier
Fri 8/155:38 pmSAT - RDU
1 stop21h 21mFrontier
Deal found 6/28$174
This FlightHub deal was found by Cheapflights users on 6/28. 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.
Fri 10/176:10 amRDU - SAT
1 stop11h 30mMultiple Airlines
Sun 10/196:16 pmSAT - RDU
1 stop16h 09mMultiple Airlines
Deal found 6/28$209
This FlightHub deal was found by Cheapflights users on 6/29. 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.
Fri 9/129:23 amRDU - SAT
1 stop9h 40mSpirit Airlines
Sun 9/147:08 pmSAT - RDU
1 stop18h 27mSpirit Airlines
Deal found 6/29$225
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 8/131:58 pmRDU - SAT
1 stop4h 40mAmerican Airlines
Wed 8/208:00 amSAT - RDU
1 stop5h 44mAmerican Airlines
Deal found 6/29$280
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:06 pmRDU - SAT
1 stop5h 24mDelta
Wed 8/1310:35 amSAT - RDU
1 stop5h 55mDelta
Deal found 6/30$281
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 8/2811:35 amRDU - SAT
1 stop5h 40mSouthwest
Tue 9/26:50 amSAT - RDU
2 stops8h 20mSouthwest
Deal found 6/29$286
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 11/13:05 pmRDU - SAT
1 stop6h 10mUnited Airlines
Wed 11/52:14 pmSAT - RDU
1 stop6h 40mUnited Airlines
Deal found 6/29$294

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 June 30, 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 8/7

5:15 pm-4:52 pm

1 stop24h 37m

San Antonio

Fri 8/15

5:38 pm-3:59 pm

1 stop21h 21m

$174

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Fri 9/12

9:23 am-6:03 pm

1 stop9h 40m

San Antonio

Sun 9/14

7:08 pm-2:35 pm

1 stop18h 27m

$225

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sun 7/27

5:15 pm-4:52 pm

1 stop24h 37m

San Antonio

Sun 8/3

7:10 am-8:15 am

1 stop24h 05m

$247

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 9/22

6:30 am-12:01 pm

1 stop6h 31m

San Antonio

Tue 9/30

2:25 pm-10:14 pm

1 stop6h 49m

$276

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 8/13

1:58 pm-5:38 pm

1 stop4h 40m

San Antonio

Wed 8/20

8:00 am-2:44 pm

1 stop5h 44m

$280

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 8/11

3:06 pm-7:30 pm

1 stop5h 24m

San Antonio

Wed 8/13

10:35 am-5:30 pm

1 stop5h 55m

$281

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 8/28

11:35 am-4:15 pm

1 stop5h 40m

San Antonio

Tue 9/2

6:50 am-4:10 pm

2 stops8h 20m

$286

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 9/4

6:25 am-10:48 am

1 stop5h 23m

$59

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sun 9/28

9:23 am-6:03 pm

1 stop9h 40m

$106

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Tue 7/22

8:00 am-7:22 pm

1 stop12h 22m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 14 results
1
2

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 June 27, 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 June 30, 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 June 30, 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
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
340 reviews
Southwest
8.0
Very good
4,278 reviews

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    Currently priced at $174, Frontier will fly you from Raleigh to San Antonio and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and United Airlines - these airlines can fly you to your destination from $225 and $276, respectively. You may be able to fly from Raleigh to San Antonio for 56% less than the average price by searching for these airlines.

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

    $59 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from $106 and $141, 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 Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
New Braunfels

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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$273FlexibilityNo cancel feeOn-time65%
FrontierCheapest$114Average$158FlexibilityNo cancel feeOn-time62%
DeltaCheapest$256Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$392FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$315Average$395FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$472FlexibilityNo cancel feeOn-time69%

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