Need help booking?
Unpublished phone-only deals available
ISN to SZR: distance & flight time
Williston (Sloulin Field International Airport) → Stara Zagora (Stara Zagora Airport)
5,460 mi
8,788 km · 4,745 nm
11h 10m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ISN→SZR fares Phone-only fares on this route — call free
Flight time details
5,460 miles nonstop takes roughly 11h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- SZR — Stara Zagora Airport · Stara Zagora, Bulgaria
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near SZR
- JAM · Bezmer Air Base36 mi away
- PDV · Plovdiv International Airport46 mi away
- GOZ · Gorna Oryahovitsa Airport54 mi away
- BOJ · Burgas Airport96 mi away
Frequently asked questions
How far is ISN from SZR?
The flight distance from Williston (ISN) to Stara Zagora (SZR) is 5,460 miles (8,788 km, 4,745 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SZR?
A nonstop flight takes about 11h 10m 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 Williston and Stara Zagora?
Stara Zagora is 8 hours ahead of Williston.
What is the cheapest way to fly from ISN to SZR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SZR that never appear on search engines, with no booking fees.