Raleigh/Durham to San Antonio (RDU–SAT) — Airlines, Schedules & Connections

RDU Airport Page →
1,223 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 5h ago
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No nonstop flights on this route. connecting options below.

✦ 1-STOP
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Raleigh/Durham to San Antonio
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 1,223 mi 4h 20m nonstop -2h behind 52 1-stop hubs

RDU–SAT is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 1,223 miles in approximately 4h 20m. Beyond nonstop, 52 hubs offer 1-stop connections.

Also explore RDU Routes SAT Routes RDU Live Flights SAT Live Flights RDU Delays SAT Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop RDU–SAT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 1 – – 74% – –
Alliance coverage
Unaffiliated: WN (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for RDU to SAT.
1-STOP
One-Stop Connections
52
Hubs
~5h
Fastest
~33h
Longest
FTW ~5h 5m MEM ~5h 36m APF ~5h 58m OKC ~6h 5m EFD ~6h 11m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,944
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
RDU → SAT
74%
Moderate delays possible. Allow buffer time.
Departing
74%
Arriving
78%
Return
SAT → RDU
92%
Generally reliable. Most flights run on time.
Departing
92%
Arriving
79%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. RDU delays → SAT delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-2h
San Antonio is 2 hours behind Raleigh/Durham.
RDU: EDT · SAT: MDT

When it's 6:00 PM in Raleigh/Durham, it's 4:00 PM in San Antonio.
Distance & Flight Time
1,223 mi / 1,968 km
Nonstop flight time is approximately 4h 20m.
Getting to RDU

No rail connection exists. GoTriangle Route 100 (RDU Express) runs from the Durham Station Transportation Center and downtown Raleigh to the airport for $2.25; takes 35–50 minutes but service is limited in the evenings and does not run all night.Ride-shares (Uber/Lyft) from downtown Raleigh: $20–30, 20–25 minutes. From Durham: $18–25, 15–20 minutes. Taxis: $30–40. Long-term parking from $7/day in Economy lots with shuttle service. I-40 provides direct access to both Raleigh and Durham.

Facts

RDU–SAT Quick Facts

Key statistics for the Raleigh/Durham to San Antonio route.
Route details
Distance1,223 mi / 1,968 km
Flight time4h 20m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights1 out
1-stop connections52 hubs
Origin: RDU
Full nameRaleigh-Durham International Airport
IATA / ICAORDU / KRDU
TimezoneAmerica/Kentucky/Monticello
Passengers/yr15.2M
Elevation435 ft / 133 m
Destination: SAT
Full nameSan Antonio International Airport
IATA / ICAOSAT / KSAT
TimezoneAmerica/Denver
Passengers/yr10.9M
Elevation809 ft / 247 m
FAQ

Frequently Asked Questions

Common questions about RDU to SAT flights.
Nonstop flights from Raleigh-Durham International Airport to San Antonio International Airport take approximately 4h 20m. The route covers 1,223 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 1 nonstop flights per week from RDU to SAT.
Yes, 1-stop connections are available through FTW, MEM, APF, OKC, EFD, ACY, CHS, SDF, YYZ, SRQ, PHF, CLE, SAV, TEB, PHL, PBI, SNA, SAN, SJC, DAL, IAH, DCA, ATL, DFW, MIA, ORD, IAD, MCI, MSY, CLT, MDW, BNA, STL, HOU, JFK, DTW, LAS, SLC, FLL, MCO, MSP, MEX, BWI, DEN, SFO, TPA, BOS, EWR, PHX, LAX, CUN and SEA. These options provide additional schedule flexibility.
San Antonio is 2 hours behind Raleigh/Durham.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from RDU to SAT

Raleigh-Durham International Airport (RDU) and San Antonio International Airport (SAT) are connected by nonstop service from Southwest Airlines. With 1 weekly departures, this is a regularly served route.

RDU to SAT Flight Duration and Schedule

Nonstop flight time from RDU to SAT ranges from 4 hours 20 minutes. The route covers a distance of 1,223 miles (1,968 km).

Connecting Options and Alternatives

52 one-stop connections are available, with the fastest taking approximately 5 hours via FTW. Two-stop connections are also available via intermediate hubs.