Need help booking?
Unpublished phone-only deals available
FSD to DEF: distance & flight time
Sioux Falls (Joe Foss Field Airport) → Dezful (Dezful Airport)
6,742 mi
10,851 km · 5,859 nm
13h 41m
estimated nonstop flight time
+8.5h
time difference · heading northeast
See live FSD→DEF fares Phone-only fares on this route — call free
Flight time details
6,742 miles nonstop takes roughly 13h 41m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time gain when reading arrival times on your ticket.
The two airports
- FSD — Joe Foss Field Airport · Sioux Falls, United States
- DEF — Dezful Airport · Dezful, Iran
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 FSD
- YKN · Chan Gurney Municipal Airport56 mi away
- MHE · Mitchell Municipal Airport66 mi away
- SPW · Spencer Municipal Airport82 mi away
- SUX · Sioux Gateway Col. Bud Day Field83 mi away
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is FSD from DEF?
The flight distance from Sioux Falls (FSD) to Dezful (DEF) is 6,742 miles (10,851 km, 5,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSD to DEF?
A nonstop flight takes about 13h 41m 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 Sioux Falls and Dezful?
Dezful is 8.5 hours ahead of Sioux Falls.
What is the cheapest way to fly from FSD to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSD–DEF that never appear on search engines, with no booking fees.