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SOF to HEK: distance & flight time
Sofia (Sofia Airport) → Heihe (Heihe Airport)
4,556 mi
7,332 km · 3,959 nm
9h 24m
estimated nonstop flight time
+5h
time difference · heading northeast
See live SOF→HEK fares Phone-only fares on this route — call free
Flight time details
4,556 miles nonstop takes roughly 9h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- HEK — Heihe Airport · Heihe, China
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 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
Near HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 mi away
Frequently asked questions
How far is SOF from HEK?
The flight distance from Sofia (SOF) to Heihe (HEK) is 4,556 miles (7,332 km, 3,959 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to HEK?
A nonstop flight takes about 9h 24m 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 Sofia and Heihe?
Heihe is 5 hours ahead of Sofia.
What is the cheapest way to fly from SOF to HEK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–HEK that never appear on search engines, with no booking fees.