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Cheap flights from Raleigh to San Antonio from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to San Antonio departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Raleigh to San Antonio (RDU-SAT)

Cheap round-trip flights

Frontier Logo
5:21 pm - 7:30 pmRDU-SAT
27h 09m1 stop
Frontier Logo
5:35 pm - 4:36 pmSAT-RDU
22h 01m1 stop
$169Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Frontier Logo
6:22 am - 4:30 pmRDU-SAT
11h 08m1 stop
Frontier Logo
5:40 pm - 8:37 pmSAT-RDU
25h 57m1 stop
$171Frontier
Find Deal
Mon, Sep 15 - Mon, Sep 22
Frontier Logo
7:15 pm - 4:50 pmRDU-SAT
22h 35m1 stop
Frontier Logo
7:10 pm - 11:30 amSAT-RDU
15h 20m1 stop
$185Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 20
Frontier Logo
6:22 am - 4:30 pmRDU-SAT
11h 08m1 stop
Frontier Logo
5:40 pm - 10:07 amSAT-RDU
15h 27m2 stops
$196Frontier
Find Deal
Mon, Sep 15 - Mon, Sep 22
Southwest Logo
2:05 pm - 6:05 pmRDU-SAT
5h 00m1 stop
Southwest Logo
3:50 pm - 9:50 pmSAT-RDU
5h 00m1 stop
$217Southwest
Find Deal
Wed, Oct 1 - Tue, Oct 7
Southwest Logo
1:35 pm - 7:50 pmRDU-SAT
7h 15m1 stop
Southwest Logo
12:20 pm - 12:40 amSAT-RDU
11h 20m2 stops
$222Southwest
Find Deal
Wed, Oct 1 - Tue, Oct 7
American Airlines Logo
5:51 pm - 10:36 pmRDU-SAT
5h 45m1 stop
American Airlines Logo
7:22 am - 2:50 pmSAT-RDU
6h 28m1 stop
$227American Airlines
Find Deal
Thu, Sep 18 - Wed, Sep 24
American Airlines Logo
6:00 am - 10:21 amRDU-SAT
5h 21m1 stop
American Airlines Logo
5:00 am - 10:51 amSAT-RDU
4h 51m1 stop
$237American Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
1:34 pm - 8:19 pmRDU-SAT
7h 45m1 stop
Delta Logo
10:35 am - 4:10 pmSAT-RDU
4h 35m1 stop
$287Delta
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Sat, Sep 6 - Tue, Sep 9
United Airlines Logo
4:55 pm - 9:17 pmRDU-SAT
5h 22m1 stop
United Airlines Logo
6:30 am - 5:05 pmSAT-RDU
9h 35m2 stops
$322United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22

Southwest flights from Raleigh to San Antonio

Our best Southwest deals on Raleigh to San Antonio flight tickets
Southwest
Oct 1
RDU2:05 pmRaleigh-Durham
5h 00m
1 stop
SAT6:05 pmSan Antonio
Oct 7
SAT3:50 pmSan Antonio
5h 00m
1 stop
RDU9:50 pmRaleigh-Durham
$217
Find similar
Southwest
Oct 1
RDU1:35 pmRaleigh-Durham
7h 15m
1 stop
SAT7:50 pmSan Antonio
Oct 7
SAT12:20 pmSan Antonio
11h 20m
2 stops
RDU12:40 amRaleigh-Durham
$222
Find similar
Southwest
Sep 20
RDU2:30 pmRaleigh-Durham
7h 55m
2 stops
SAT9:25 pmSan Antonio
Sep 27
SAT6:45 amSan Antonio
6h 45m
1 stop
RDU2:30 pmRaleigh-Durham
$242
Find similar

United Airlines flights from Raleigh to San Antonio

Our best United Airlines deals on Raleigh to San Antonio flight tickets
United Airlines
Sep 15
RDU4:55 pmRaleigh-Durham
5h 22m
1 stop
SAT9:17 pmSan Antonio
Sep 22
SAT6:30 amSan Antonio
9h 35m
2 stops
RDU5:05 pmRaleigh-Durham
$322
Find similar
United Airlines
Aug 30
RDU10:31 amRaleigh-Durham
8h 11m
2 stops
SAT5:42 pmSan Antonio
Sep 1
SAT7:00 amSan Antonio
6h 10m
1 stop
RDU2:10 pmRaleigh-Durham
$467
Find similar
United Airlines
Sep 1
RDU6:30 amRaleigh-Durham
7h 52m
1 stop
SAT1:22 pmSan Antonio
Sep 5
SAT9:50 amSan Antonio
4h 57m
1 stop
RDU3:47 pmRaleigh-Durham
$527
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
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

Thu 11/13

5:21 pm-7:30 pm

1 stop27h 09m

San Antonio

Mon 11/17

5:35 pm-4:36 pm

1 stop22h 01m

$169

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 9/15

6:22 am-4:30 pm

1 stop11h 08m

San Antonio

Mon 9/22

5:40 pm-8:37 pm

1 stop25h 57m

$171

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 10/16

7:15 pm-4:50 pm

1 stop22h 35m

San Antonio

Mon 10/20

7:10 pm-11:30 am

1 stop15h 20m

$185

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 9/15

6:22 am-4:30 pm

1 stop11h 08m

San Antonio

Mon 9/22

5:40 pm-10:07 am

2 stops15h 27m

$196

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 10/1

2:05 pm-6:05 pm

1 stop5h 00m

San Antonio

Tue 10/7

3:50 pm-9:50 pm

1 stop5h 00m

$217

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Wed 10/1

1:35 pm-7:50 pm

1 stop7h 15m

San Antonio

Tue 10/7

12:20 pm-12:40 am

2 stops11h 20m

$222

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Thu 9/18

5:51 pm-10:36 pm

1 stop5h 45m

San Antonio

Wed 9/24

7:22 am-2:50 pm

1 stop6h 28m

$227

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sat 9/20

6:00 am-10:21 am

1 stop5h 21m

San Antonio

Sat 9/27

5:00 am-10:51 am

1 stop4h 51m

$237

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Sat 9/6

1:34 pm-8:19 pm

1 stop7h 45m

San Antonio

Tue 9/9

10:35 am-4:10 pm

1 stop4h 35m

$287

RaleighSan Antonio

RDU - SAT

RDUSAT

Raleigh-Durham

Mon 9/15

4:55 pm-9:17 pm

1 stop5h 22m

San Antonio

Mon 9/22

6:30 am-5:05 pm

2 stops9h 35m

$322

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Raleigh to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Raleigh during May instead. Flights to San Antonio in May, while not as cheap as those in September, still average around $365.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $356. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $450.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Raleigh to San Antonio in the evening for as low as $386. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $446. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Raleigh for as low as $321 on momondo.

How have Raleigh to San Antonio flight prices changed over time?

As of August 2025, prices for Raleigh to San Antonio flights are approximately 81% more expensive when compared to flights at the same time last year.

When to book flights from Raleigh to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Raleigh to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Raleigh to San Antonio (RDU to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Raleigh to San Antonio

Best Price Found

$73

Fastest flight time

4h 49m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Raleigh in the past 72 hours is $73. The best round-trip flight deal from Raleigh to San Antonio found on momondo in the last 72 hours is $169.
The fastest flight from Raleigh to San Antonio takes 4h 49m
There are no direct flights from Raleigh to San Antonio. Popular non-direct route for this connection is Raleigh-Durham Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • How far is Raleigh-Durham to San Antonio by plane?

    The distance between Raleigh-Durham and San Antonio is about 1232.6 mi. Flights usually cover this in 4h 49m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Raleigh-Durham Airport to San Antonio Airport?

    Prices for flights from Raleigh-Durham Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Raleigh-Durham Airport to San Antonio Airport?

  • How old do you have to be to fly from Raleigh-Durham Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Raleigh-Durham Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Raleigh to San Antonio?

Best airlines flying from Raleigh to San Antonio

Compare and see reviews for airlines that fly from Raleigh to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $103Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
FrontierPriceFrom $122Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

  • Southwest Flights From Raleigh to San Antonio

    Southwest flight deals from Raleigh to San Antonio start from $300 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $395 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near San Antonio?

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

Why use momondo?

Why should I use momondo to find a flight deal from Raleigh to San Antonio?

Finding the right flight to San Antonio from Raleigh is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Raleigh to San Antonio with flexible booking policies on momondo?

All flight searches from Raleigh to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Raleigh to San Antonio?

momondo helps you find the best flight between Raleigh and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Raleigh to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Raleigh to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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