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HEK to UTH: distance & flight time
Heihe (Heihe Airport) → Udon Thani (Udon Thani Airport)
2,641 mi
4,251 km · 2,295 nm
5h 39m
estimated nonstop flight time
-1h
time difference · heading southwest
See live HEK→UTH fares Phone-only fares on this route — call free
Flight time details
2,641 miles nonstop takes roughly 5h 39m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HEK — Heihe Airport · Heihe, China
- UTH — Udon Thani Airport · Udon Thani, Thailand
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 HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 mi away
Near UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is HEK from UTH?
The flight distance from Heihe (HEK) to Udon Thani (UTH) is 2,641 miles (4,251 km, 2,295 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEK to UTH?
A nonstop flight takes about 5h 39m 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 Heihe and Udon Thani?
Udon Thani is 1 hour behind Heihe.
What is the cheapest way to fly from HEK to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEK–UTH that never appear on search engines, with no booking fees.