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AUS to SIG: distance & flight time
Austin (Austin Bergstrom International Airport) → San Juan (Fernando Luis Ribas Dominicci Airport)
2,138 mi
3,440 km · 1,857 nm
4h 39m
estimated nonstop flight time
+1h
time difference · heading east
See live AUS→SIG fares Phone-only fares on this route — call free
Flight time details
2,138 miles nonstop takes roughly 4h 39m 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
- AUS — Austin Bergstrom International Airport · Austin, 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 AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio 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 AUS from SIG?
The flight distance from Austin (AUS) to San Juan (SIG) is 2,138 miles (3,440 km, 1,857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUS to SIG?
A nonstop flight takes about 4h 39m 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 Austin and San Juan?
San Juan is 1 hour ahead of Austin.
What is the cheapest way to fly from AUS to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUS–SIG that never appear on search engines, with no booking fees.