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SAT to SIG: distance & flight time
San Antonio (San Antonio International Airport) → San Juan (Fernando Luis Ribas Dominicci Airport)
2,173 mi
3,497 km · 1,888 nm
4h 44m
estimated nonstop flight time
+1h
time difference · heading east
See live SAT→SIG fares Phone-only fares on this route — call free
Flight time details
2,173 miles nonstop takes roughly 4h 44m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SAT — San Antonio International Airport · San Antonio, United States
- SIG — Fernando Luis Ribas Dominicci Airport · San Juan, Puerto Rico
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 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
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
Frequently asked questions
How far is SAT from SIG?
The flight distance from San Antonio (SAT) to San Juan (SIG) 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 SAT to SIG?
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 Antonio and San Juan?
San Juan is 1 hour ahead of San Antonio.
What is the cheapest way to fly from SAT to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAT–SIG that never appear on search engines, with no booking fees.