Need help booking?
Unpublished phone-only deals available
LAM to SIG: distance & flight time
Los Alamos (Los Alamos Airport) → San Juan (Fernando Luis Ribas Dominicci Airport)
2,722 mi
4,380 km · 2,365 nm
5h 48m
estimated nonstop flight time
+2h
time difference · heading east
See live LAM→SIG fares Phone-only fares on this route — call free
Flight time details
2,722 miles nonstop takes roughly 5h 48m 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
- LAM — Los Alamos Airport · Los Alamos, 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 LAM
- SAF · Santa Fe Municipal Airport21 mi away
- TSM · Taos Regional Airport52 mi away
- ABQ · Albuquerque International Sunport61 mi away
- LVS · Las Vegas Municipal Airport65 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 LAM from SIG?
The flight distance from Los Alamos (LAM) to San Juan (SIG) is 2,722 miles (4,380 km, 2,365 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAM to SIG?
A nonstop flight takes about 5h 48m 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 Los Alamos and San Juan?
San Juan is 2 hours ahead of Los Alamos.
What is the cheapest way to fly from LAM to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAM–SIG that never appear on search engines, with no booking fees.