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BOI to SIG: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → San Juan (Fernando Luis Ribas Dominicci Airport)
3,371 mi
5,425 km · 2,929 nm
7h 5m
estimated nonstop flight time
+2h
time difference · heading east
See live BOI→SIG fares Phone-only fares on this route — call free
Flight time details
3,371 miles nonstop takes roughly 7h 5m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 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 BOI from SIG?
The flight distance from Boise (BOI) to San Juan (SIG) is 3,371 miles (5,425 km, 2,929 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to SIG?
A nonstop flight takes about 7h 5m 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 Boise and San Juan?
San Juan is 2 hours ahead of Boise.
What is the cheapest way to fly from BOI to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–SIG that never appear on search engines, with no booking fees.