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SIG to SAT: distance & flight time
San Juan (Fernando Luis Ribas Dominicci Airport) → San Antonio (San Antonio International Airport)
2,173 mi
3,497 km · 1,888 nm
4h 44m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SIG→SAT fares Phone-only fares on this route — call free
Flight time details
2,173 miles nonstop takes roughly 4h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SIG — Fernando Luis Ribas Dominicci Airport · San Juan, Puerto Rico
- SAT — San Antonio International Airport · San Antonio, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SIG
- SJU · Luis Munoz Marin International Airport6 mi away
- FAJ · Diego Jimenez Torres Airport30 mi away
- NRR · José Aponte de la Torre Airport33 mi away
- ARE · Antonio Nery Juarbe Pol Airport38 mi away
Near SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is SIG from SAT?
The flight distance from San Juan (SIG) to San Antonio (SAT) is 2,173 miles (3,497 km, 1,888 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIG to SAT?
A nonstop flight takes about 4h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Juan and San Antonio?
San Antonio is 1 hour behind San Juan.
What is the cheapest way to fly from SIG to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIG–SAT that never appear on search engines, with no booking fees.