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DUC to KLV: distance & flight time
Duncan (Halliburton Field) → Karlovy Vary (Karlovy Vary International Airport)
5,231 mi
8,419 km · 4,546 nm
10h 43m
estimated nonstop flight time
+7h
time difference · heading northeast
See live DUC→KLV fares Phone-only fares on this route — call free
Flight time details
5,231 miles nonstop takes roughly 10h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- KLV — Karlovy Vary International Airport · Karlovy Vary, Czech Republic
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 KLV
- HOQ · Hof-Plauen Airport47 mi away
- AOC · Altenburg-Nobitz Airport57 mi away
- BYU · Bayreuth Airport58 mi away
- PRG · Václav Havel Airport Prague60 mi away
Frequently asked questions
How far is DUC from KLV?
The flight distance from Duncan (DUC) to Karlovy Vary (KLV) is 5,231 miles (8,419 km, 4,546 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to KLV?
A nonstop flight takes about 10h 43m 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 DUC to KLV?
Nonstop service on DUC–KLV 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 10h 43m nonstop estimate.
What is the time difference between Duncan and Karlovy Vary?
Karlovy Vary is 7 hours ahead of Duncan.
What is the cheapest way to fly from DUC to KLV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–KLV that never appear on search engines, with no booking fees.
Why are some DUC to KLV fares phone-only?
Consolidator contracts let us sell certain DUC–KLV 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.