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SJU to DUC: distance & flight time
San Juan (Luis Munoz Marin International Airport) → Duncan (Halliburton Field)
2,252 mi
3,624 km · 1,957 nm
4h 53m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SJU→DUC fares Phone-only fares on this route — call free
Flight time details
2,252 miles nonstop takes roughly 4h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SJU — Luis Munoz Marin International Airport · San Juan, Puerto Rico
- DUC — Halliburton Field · Duncan, United States
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 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
Near DUC
Frequently asked questions
How far is SJU from DUC?
The flight distance from San Juan (SJU) to Duncan (DUC) 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 SJU to DUC?
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 San Juan and Duncan?
Duncan is 1 hour behind San Juan.
What is the cheapest way to fly from SJU to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SJU–DUC that never appear on search engines, with no booking fees.