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LOU to SZR: distance & flight time
Louisville (Bowman Field) → Stara Zagora (Stara Zagora Airport)
5,397 mi
8,685 km · 4,690 nm
11h 3m
estimated nonstop flight time
+7h
time difference · heading northeast
See live LOU→SZR fares Phone-only fares on this route — call free
Flight time details
5,397 miles nonstop takes roughly 11h 3m 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
- LOU — Bowman Field · Louisville, 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 LOU
- SDF · Louisville International Standiford Field5 mi away
- FTK · Godman Army Air Field28 mi away
- FFT · Capital City Airport41 mi away
- LEX · Blue Grass Airport59 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 LOU from SZR?
The flight distance from Louisville (LOU) to Stara Zagora (SZR) is 5,397 miles (8,685 km, 4,690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LOU to SZR?
A nonstop flight takes about 11h 3m 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 LOU to SZR?
Nonstop service on LOU–SZR 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 11h 3m nonstop estimate.
What is the time difference between Louisville and Stara Zagora?
Stara Zagora is 7 hours ahead of Louisville.
What is the cheapest way to fly from LOU to SZR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LOU–SZR that never appear on search engines, with no booking fees.
Why are some LOU to SZR fares phone-only?
Consolidator contracts let us sell certain LOU–SZR 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.