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SOF to HLH: distance & flight time
Sofia (Sofia Airport) → Ulanhot (Ulanhot Airport)
4,531 mi
7,293 km · 3,938 nm
9h 21m
estimated nonstop flight time
+5h
time difference · heading northeast
See live SOF→HLH fares Phone-only fares on this route — call free
Flight time details
4,531 miles nonstop takes roughly 9h 21m 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
- HLH — Ulanhot Airport · Ulanhot, 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 HLH
- DBC · Baicheng Chang'an Airport68 mi away
- NDG · Qiqihar Sanjiazi Airport116 mi away
- NZL · Chengjisihan Airport121 mi away
- YIE · Arxan Yi'ershi Airport126 mi away
Frequently asked questions
How far is SOF from HLH?
The flight distance from Sofia (SOF) to Ulanhot (HLH) is 4,531 miles (7,293 km, 3,938 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to HLH?
A nonstop flight takes about 9h 21m 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 Ulanhot?
Ulanhot is 5 hours ahead of Sofia.
What is the cheapest way to fly from SOF to HLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–HLH that never appear on search engines, with no booking fees.