Need help booking?
Unpublished phone-only deals available
SQL to SZR: distance & flight time
San Carlos (San Carlos Airport) → Stara Zagora (Stara Zagora Airport)
6,559 mi
10,556 km · 5,700 nm
13h 20m
estimated nonstop flight time
+10h
time difference · heading northeast
See live SQL→SZR fares Phone-only fares on this route — call free
Flight time details
6,559 miles nonstop takes roughly 13h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- SQL — San Carlos Airport · San Carlos, 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 SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 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 SQL from SZR?
The flight distance from San Carlos (SQL) to Stara Zagora (SZR) is 6,559 miles (10,556 km, 5,700 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SQL to SZR?
A nonstop flight takes about 13h 20m 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 San Carlos and Stara Zagora?
Stara Zagora is 10 hours ahead of San Carlos.
What is the cheapest way to fly from SQL to SZR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SQL–SZR that never appear on search engines, with no booking fees.