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RER to DUC: distance & flight time
Retalhuleu (Retalhuleu Airport) → Duncan (Halliburton Field)
1,433 mi
2,306 km · 1,245 nm
3h 35m
estimated nonstop flight time
+1h
time difference · heading north
See live RER→DUC fares Phone-only fares on this route — call free
Flight time details
1,433 miles nonstop takes roughly 3h 35m 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
- RER — Retalhuleu Airport · Retalhuleu, 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 RER
- AAZ · Quezaltenango Airport27 mi away
- TAP · Tapachula International Airport49 mi away
- AQB · Santa Cruz del Quiche Airport50 mi away
- GSJ · San José Airport70 mi away
Near DUC
Frequently asked questions
How far is RER from DUC?
The flight distance from Retalhuleu (RER) to Duncan (DUC) is 1,433 miles (2,306 km, 1,245 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RER to DUC?
A nonstop flight takes about 3h 35m 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 Retalhuleu and Duncan?
Duncan is 1 hour ahead of Retalhuleu.
What is the cheapest way to fly from RER to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RER–DUC that never appear on search engines, with no booking fees.