Need help booking?
Unpublished phone-only deals available
ISN to TBS: distance & flight time
Williston (Sloulin Field International Airport) → Tbilisi (Tbilisi International Airport)
5,940 mi
9,559 km · 5,162 nm
12h 7m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ISN→TBS fares Phone-only fares on this route — call free
Flight time details
5,940 miles nonstop takes roughly 12h 7m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- TBS — Tbilisi International Airport · Tbilisi, Georgia
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 TBS
- LWN · Gyumri Shirak Airport85 mi away
- ZTU · Zaqatala International Airport89 mi away
- KVD · Ganja Airport96 mi away
- OGZ · Beslan Airport108 mi away
Frequently asked questions
How far is ISN from TBS?
The flight distance from Williston (ISN) to Tbilisi (TBS) is 5,940 miles (9,559 km, 5,162 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to TBS?
A nonstop flight takes about 12h 7m 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 Tbilisi?
Tbilisi is 9 hours ahead of Williston.
What is the cheapest way to fly from ISN to TBS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–TBS that never appear on search engines, with no booking fees.