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YBY to DEF: distance & flight time
Bonnyville (Bonnyville Airport) → Dezful (Dezful Airport)
6,316 mi
10,164 km · 5,488 nm
12h 51m
estimated nonstop flight time
+9.5h
time difference · heading north
See live YBY→DEF fares Phone-only fares on this route — call free
Flight time details
6,316 miles nonstop takes roughly 12h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- YBY — Bonnyville Airport · Bonnyville, Canada
- 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 YBY
- YOD · CFB Cold Lake20 mi away
- YVG · Vermilion Airport66 mi away
- YLL · Lloydminster Airport74 mi away
- YLJ · Meadow Lake Airport91 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 YBY from DEF?
The flight distance from Bonnyville (YBY) to Dezful (DEF) is 6,316 miles (10,164 km, 5,488 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YBY to DEF?
A nonstop flight takes about 12h 51m 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 Bonnyville and Dezful?
Dezful is 9.5 hours ahead of Bonnyville.
What is the cheapest way to fly from YBY to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YBY–DEF that never appear on search engines, with no booking fees.