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$81+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — SAT
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(CheapOair)

One-way from

$81
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$386
Provider with most accurate pricing for Raleigh-Durham-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-San Antonio flights.
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From Raleigh-Durham to San Antonio
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One-way flight from Raleigh-Durham to San Antonio
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 21, 2025.

This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:53 pmRDU - SAT
1 stop13h 10mMultiple Airlines
Sun 4/67:51 pmSAT - RDU
1 stop19h 44mMultiple Airlines
Deal found 3/19$302
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/411:29 amRDU - SAT
3 stops33h 32mSpirit Airlines
Sun 5/111:52 pmSAT - RDU
2 stops18h 20mSpirit Airlines
Deal found 3/20$303
This Booking.com deal was found by Cheapflights users on 3/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:05 amRDU - SAT
1 stop28h 47mFrontier
Sun 5/48:25 pmSAT - RDU
1 stop19h 03mFrontier
Deal found 3/20$308
This Delta deal was found by Cheapflights users on 3/20. 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 4/146:15 pmRDU - SAT
1 stop7h 15mDelta
Mon 4/215:30 amSAT - RDU
1 stop6h 32mDelta
Deal found 3/20$317
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 5/55:02 amRDU - SAT
1 stop5h 59mAmerican Airlines
Mon 5/56:43 pmSAT - RDU
1 stop5h 08mAmerican Airlines
Deal found 3/20$324
This Southwest deal was found by Cheapflights users on 3/20. 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.
Wed 4/3012:25 pmRDU - SAT
2 stops7h 35mSouthwest
Fri 5/211:10 amSAT - RDU
1 stop5h 55mSouthwest
Deal found 3/20$347
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 5/71:18 pmRDU - SAT
2 stops8h 48mUnited Airlines
Sun 5/117:00 amSAT - RDU
1 stop5h 45mUnited Airlines
Deal found 3/20$357
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:05 pmRDU - SAT
2 stops27h 50mAlaska Airlines
Sat 5/102:29 pmSAT - RDU
2 stops14h 31mAlaska Airlines
Deal found 3/20$753

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 March 21, 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 4/3

9:53 pm-10:03 am

1 stop13h 10m

San Antonio

Sun 4/6

7:51 pm-4:35 pm

1 stop19h 44m

$302

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 5/5

11:13 am-7:31 pm

1 stop9h 18m

San Antonio

Mon 5/12

8:31 pm-10:19 pm

1 stop24h 48m

$303

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Fri 4/11

5:36 pm-4:06 pm

1 stop23h 30m

San Antonio

Sun 4/13

5:03 pm-5:51 pm

3 stops23h 48m

$304

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 4/14

6:15 pm-10:05 pm

1 stop4h 50m

San Antonio

Sun 4/20

5:30 am-11:53 am

1 stop5h 23m

$317

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 5/5

5:02 am-10:01 am

1 stop5h 59m

San Antonio

Mon 5/5

6:43 pm-12:51 am

1 stop5h 08m

$324

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 4/30

12:25 pm-7:00 pm

2 stops7h 35m

San Antonio

Fri 5/2

11:10 am-6:05 pm

1 stop5h 55m

$347

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 5/7

1:18 pm-9:06 pm

2 stops8h 48m

San Antonio

Sun 5/11

7:00 am-1:45 pm

1 stop5h 45m

$357

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sat 5/3

6:05 pm-8:55 pm

2 stops27h 50m

San Antonio

Sat 5/10

2:29 pm-6:00 am

2 stops14h 31m

$753

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Tue 4/8

9:53 pm-9:14 am

1 stop12h 21m

$81

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 4/9

10:16 pm-8:13 am

1 stop10h 57m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 12 results
1
2

Compare providers for flights from Raleigh to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to San Antonio in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 14, 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 March 21, 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 March 21, 2025.
To help decide which airline to fly from Raleigh to San Antonio, see what other customers have to say about Southwest, Alaska Airlines and Delta. 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
8.1
Very good
4,281 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,281 reviews
Southwest
8.1
Very good
4,281 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,759 reviews
Southwest
8.1
Very good
4,281 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,281 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.1
Very good
4,281 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,281 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $303, 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 Delta - these airlines can fly you to your destination from $304 and $317, respectively. You may be able to fly from Raleigh to San Antonio for 21% less than the average price by searching for these airlines.

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

    $81 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 Frontier and Delta, with prices starting from $155 and $159, 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

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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$273FlexibilityNo cancel feeOn-time65%
FrontierCheapest$114Average$160FlexibilityNo cancel feeOn-time62%
DeltaCheapest$273Average$410FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$392FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$309Average$386FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$335Average$478FlexibilityNo cancel feeOn-time69%
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