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RFD to SIG: distance & flight time
Rockford (Chicago Rockford International Airport) → San Juan (Fernando Luis Ribas Dominicci Airport)
2,124 mi
3,418 km · 1,845 nm
4h 38m
estimated nonstop flight time
+1h
time difference · heading southeast
See live RFD→SIG fares Phone-only fares on this route — call free
Flight time details
2,124 miles nonstop takes roughly 4h 38m gate to gate, flying southeast. 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
- RFD — Chicago Rockford International Airport · Rockford, 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 RFD
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 RFD from SIG?
The flight distance from Rockford (RFD) to San Juan (SIG) is 2,124 miles (3,418 km, 1,845 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to SIG?
A nonstop flight takes about 4h 38m 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 Rockford and San Juan?
San Juan is 1 hour ahead of Rockford.
What is the cheapest way to fly from RFD to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–SIG that never appear on search engines, with no booking fees.