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$87+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 12, 2025.

Round-trip from

$220
(FlightHub)

One-way from

$87
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$377
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 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
Thu 9/45:05 pmRDU - SAT
1 stop17h 25mSpirit Airlines
Sun 9/76:16 pmSAT - RDU
1 stop16h 09mSpirit Airlines
Deal found 6/10$220
This FlightHub deal was found by Cheapflights users on 6/10. 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 7/45:23 pmRDU - SAT
1 stop25h 39mMultiple Airlines
Mon 7/72:16 pmSAT - RDU
1 stop18h 25mMultiple Airlines
Deal found 6/10$268
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Sun 6/2912:27 pmRDU - SAT
1 stop20h 38mFrontier
Fri 7/410:16 amSAT - RDU
1 stop13h 08mFrontier
Deal found 6/9$270
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 8/79:49 amRDU - SAT
1 stop6h 42mDelta
Mon 8/185:25 amSAT - RDU
1 stop6h 04mDelta
Deal found 6/10$281
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/2910:45 amRDU - SAT
2 stops7h 50mSouthwest
Tue 8/52:40 pmSAT - RDU
1 stop5h 25mSouthwest
Deal found 6/10$322
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/85:16 pmRDU - SAT
1 stop6h 22mUnited Airlines
Tue 7/157:00 amSAT - RDU
1 stop6h 13mUnited Airlines
Deal found 6/10$353
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 9/133:32 pmRDU - SAT
1 stop7h 41mAmerican Airlines
Thu 9/186:05 amSAT - RDU
1 stop7h 00mAmerican Airlines
Deal found 6/10$379

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 12, 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 9/4

5:05 pm-9:30 am

1 stop17h 25m

San Antonio

Sun 9/7

6:16 pm-11:25 am

1 stop16h 09m

$220

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Fri 7/4

5:23 pm-6:02 pm

1 stop25h 39m

San Antonio

Mon 7/7

2:16 pm-9:41 am

1 stop18h 25m

$268

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sun 6/29

12:27 pm-8:05 am

1 stop20h 38m

San Antonio

Fri 7/4

10:16 am-12:24 am

1 stop13h 08m

$270

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 8/7

5:45 am-10:30 am

1 stop5h 45m

San Antonio

Tue 8/19

2:10 pm-9:39 pm

1 stop6h 29m

$281

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Tue 7/29

10:45 am-5:35 pm

2 stops7h 50m

San Antonio

Tue 8/5

2:40 pm-9:05 pm

1 stop5h 25m

$322

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Tue 7/8

6:00 am-11:02 am

1 stop6h 02m

San Antonio

Fri 7/11

7:30 am-3:50 pm

1 stop7h 20m

$365

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 8/11

6:00 am-10:09 am

1 stop5h 09m

San Antonio

Fri 8/15

8:55 am-4:25 pm

1 stop6h 30m

$399

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 7/7

10:36 am-11:37 am

2 stops26h 01m

$87

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 8/6

5:16 pm-10:38 pm

1 stop6h 22m

$141

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 7/9

5:43 pm-9:47 am

1 stop17h 04m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 15 results
1
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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 9, 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 12, 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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 12, 2025.
To help decide which airline to fly from Raleigh to San Antonio, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Crew

8.6

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Crew

8.6

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
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Crew

8.6

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
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Crew

8.6

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
4,287 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Crew

8.6

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
345 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Crew

8.6

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 $220, 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 $270 and $281, respectively. You may be able to fly from Raleigh to San Antonio for 44% less than the average price by searching for these airlines.

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

    $87 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on United Airlines and Sun Country Air, with prices starting from $141 and $144, 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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Alternative routes for Raleigh to San Antonio

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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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$299FlexibilityNo cancel feeOn-time65%
FrontierCheapest$114Average$175FlexibilityNo cancel feeOn-time62%
DeltaCheapest$256Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$390FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$314Average$391FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$466FlexibilityNo cancel feeOn-time69%

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