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GSJ to DUC: distance & flight time
San Jose (San José Airport) → Duncan (Halliburton Field)
1,487 mi
2,393 km · 1,292 nm
3h 42m
estimated nonstop flight time
+1h
time difference · heading north
See live GSJ→DUC fares Phone-only fares on this route — call free
Flight time details
1,487 miles nonstop takes roughly 3h 42m gate to gate, flying north. 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
- GSJ — San José Airport · San Jose, Guatemala
- 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 GSJ
- GUA · La Aurora Airport49 mi away
- RER · Retalhuleu Airport70 mi away
- AQB · Santa Cruz del Quiche Airport77 mi away
- AAZ · Quezaltenango Airport78 mi away
Near DUC
Frequently asked questions
How far is GSJ from DUC?
The flight distance from San Jose (GSJ) to Duncan (DUC) is 1,487 miles (2,393 km, 1,292 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSJ to DUC?
A nonstop flight takes about 3h 42m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GSJ to DUC?
Nonstop service on GSJ–DUC depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 42m nonstop estimate.
What is the time difference between San Jose and Duncan?
Duncan is 1 hour ahead of San Jose.
What is the cheapest way to fly from GSJ to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSJ–DUC that never appear on search engines, with no booking fees.
Why are some GSJ to DUC fares phone-only?
Consolidator contracts let us sell certain GSJ–DUC tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.