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ZBY to SOF: distance & flight time
Sainyabuli (Sayaboury Airport) → Sofia (Sofia Airport)
4,743 mi
7,632 km · 4,121 nm
9h 46m
estimated nonstop flight time
—
time difference · heading northwest
See live ZBY→SOF fares Phone-only fares on this route — call free
Flight time details
4,743 miles nonstop takes roughly 9h 46m gate to gate, flying northwest. 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
- ZBY — Sayaboury Airport · Sainyabuli, Laos
- SOF — Sofia Airport · Sofia, 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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 mi away
Near SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Frequently asked questions
How far is ZBY from SOF?
The flight distance from Sainyabuli (ZBY) to Sofia (SOF) is 4,743 miles (7,632 km, 4,121 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to SOF?
A nonstop flight takes about 9h 46m 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 cheapest way to fly from ZBY to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–SOF that never appear on search engines, with no booking fees.