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ALN to SZR: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Stara Zagora (Stara Zagora Airport)
5,527 mi
8,895 km · 4,803 nm
11h 18m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→SZR fares Phone-only fares on this route — call free
Flight time details
5,527 miles nonstop takes roughly 11h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 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 ALN from SZR?
The flight distance from Alton/St Louis (ALN) to Stara Zagora (SZR) is 5,527 miles (8,895 km, 4,803 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to SZR?
A nonstop flight takes about 11h 18m 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 ALN to SZR?
Nonstop service on ALN–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 18m nonstop estimate.
What is the cheapest way to fly from ALN to SZR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–SZR that never appear on search engines, with no booking fees.
Why are some ALN to SZR fares phone-only?
Consolidator contracts let us sell certain ALN–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.