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DUC to SJU: distance & flight time
Duncan (Halliburton Field) → San Juan (Luis Munoz Marin International Airport)
2,252 mi
3,624 km · 1,957 nm
4h 53m
estimated nonstop flight time
+1h
time difference · heading east
See live DUC→SJU fares Phone-only fares on this route — call free
Flight time details
2,252 miles nonstop takes roughly 4h 53m 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
- DUC — Halliburton Field · Duncan, United States
- SJU — Luis Munoz Marin International 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 DUC
Near SJU
- SIG · Fernando Luis Ribas Dominicci Airport6 mi away
- FAJ · Diego Jimenez Torres Airport24 mi away
- NRR · José Aponte de la Torre Airport27 mi away
- VQS · Vieques Airport44 mi away
Frequently asked questions
How far is DUC from SJU?
The flight distance from Duncan (DUC) to San Juan (SJU) is 2,252 miles (3,624 km, 1,957 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to SJU?
A nonstop flight takes about 4h 53m 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 Duncan and San Juan?
San Juan is 1 hour ahead of Duncan.
What is the cheapest way to fly from DUC to SJU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–SJU that never appear on search engines, with no booking fees.