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YST to UTH: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Udon Thani (Udon Thani Airport)
7,405 mi
11,917 km · 6,435 nm
14h 59m
estimated nonstop flight time
+12h
time difference · heading north
See live YST→UTH fares Phone-only fares on this route — call free
Flight time details
7,405 miles nonstop takes roughly 14h 59m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 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 YST from UTH?
The flight distance from St. Theresa Point (YST) to Udon Thani (UTH) is 7,405 miles (11,917 km, 6,435 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to UTH?
A nonstop flight takes about 14h 59m 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 St. Theresa Point and Udon Thani?
Udon Thani is 12 hours ahead of St. Theresa Point.
What is the cheapest way to fly from YST to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–UTH that never appear on search engines, with no booking fees.