Need help booking?
Unpublished phone-only deals available
RLK to UTH: distance & flight time
Bayannur (Bayannur Tianjitai Airport) → Udon Thani (Udon Thani Airport)
1,653 mi
2,660 km · 1,436 nm
3h 42m
estimated nonstop flight time
-1h
time difference · heading south
See live RLK→UTH fares Phone-only fares on this route — call free
Flight time details
1,653 miles nonstop takes roughly 3h 42m gate to gate, flying south. 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
- RLK — Bayannur Tianjitai Airport · Bayannur, 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 RLK
- WUA · Wuhai Airport93 mi away
- BAV · Baotou Airport121 mi away
- DSN · Ordos Ejin Horo Airport149 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 RLK from UTH?
The flight distance from Bayannur (RLK) to Udon Thani (UTH) is 1,653 miles (2,660 km, 1,436 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RLK to UTH?
A nonstop flight takes about 3h 42m 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 Bayannur and Udon Thani?
Udon Thani is 1 hour behind Bayannur.
What is the cheapest way to fly from RLK to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RLK–UTH that never appear on search engines, with no booking fees.