Need help booking?
Unpublished phone-only deals available
YST to THL: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Tachilek (Tachileik Airport)
7,226 mi
11,629 km · 6,279 nm
14h 38m
estimated nonstop flight time
+11.5h
time difference · heading north
See live YST→THL fares Phone-only fares on this route — call free
Flight time details
7,226 miles nonstop takes roughly 14h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- THL — Tachileik Airport · Tachilek, Burma
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 THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 mi away
Frequently asked questions
How far is YST from THL?
The flight distance from St. Theresa Point (YST) to Tachilek (THL) is 7,226 miles (11,629 km, 6,279 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to THL?
A nonstop flight takes about 14h 38m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YST to THL?
Nonstop service on YST–THL depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 14h 38m nonstop estimate.
What is the time difference between St. Theresa Point and Tachilek?
Tachilek is 11.5 hours ahead of St. Theresa Point.
What is the cheapest way to fly from YST to THL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–THL that never appear on search engines, with no booking fees.
Why are some YST to THL fares phone-only?
Consolidator contracts let us sell certain YST–THL tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.