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SKF to SIG: distance & flight time
San Antonio (Lackland Air Force Base) → San Juan (Fernando Luis Ribas Dominicci Airport)
2,177 mi
3,504 km · 1,892 nm
4h 44m
estimated nonstop flight time
+1h
time difference · heading east
See live SKF→SIG fares Phone-only fares on this route — call free
Flight time details
2,177 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
- SKF — Lackland Air Force Base · 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 SKF
- SSF · Stinson Municipal Airport7 mi away
- SAT · San Antonio International Airport12 mi away
- RND · Randolph Air Force Base21 mi away
- AUS · Austin Bergstrom International Airport78 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 SKF from SIG?
The flight distance from San Antonio (SKF) to San Juan (SIG) is 2,177 miles (3,504 km, 1,892 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SKF 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 SKF to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SKF–SIG that never appear on search engines, with no booking fees.