Need help booking?
Unpublished phone-only deals available
IRB to HLH: distance & flight time
Iraan (Iraan Municipal Airport) → Ulanhot (Ulanhot Airport)
6,445 mi
10,373 km · 5,601 nm
13h 6m
estimated nonstop flight time
+13h
time difference · heading northwest
See live IRB→HLH fares Phone-only fares on this route — call free
Flight time details
6,445 miles nonstop takes roughly 13h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- IRB — Iraan Municipal Airport · Iraan, United States
- 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 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 IRB from HLH?
The flight distance from Iraan (IRB) to Ulanhot (HLH) is 6,445 miles (10,373 km, 5,601 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to HLH?
A nonstop flight takes about 13h 6m 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 Iraan and Ulanhot?
Ulanhot is 13 hours ahead of Iraan.
What is the cheapest way to fly from IRB to HLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–HLH that never appear on search engines, with no booking fees.