Need help booking?
Unpublished phone-only deals available
THL to SDL: distance & flight time
Tachilek (Tachileik Airport) → Sundsvall (Sundsvall-Härnösand Airport)
4,731 mi
7,614 km · 4,111 nm
9h 45m
estimated nonstop flight time
-4.5h
time difference · heading northwest
See live THL→SDL fares Phone-only fares on this route — call free
Flight time details
4,731 miles nonstop takes roughly 9h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- SDL — Sundsvall-Härnösand Airport · Sundsvall, Sweden
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 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
Near SDL
- KRF · Kramfors Sollefteå Airport37 mi away
- HUV · Hudiksvall Airport54 mi away
- OER · Örnsköldsvik Airport78 mi away
- SOO · Söderhamn Airport88 mi away
Frequently asked questions
How far is THL from SDL?
The flight distance from Tachilek (THL) to Sundsvall (SDL) is 4,731 miles (7,614 km, 4,111 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to SDL?
A nonstop flight takes about 9h 45m 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 THL to SDL?
Nonstop service on THL–SDL 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 9h 45m nonstop estimate.
What is the time difference between Tachilek and Sundsvall?
Sundsvall is 4.5 hours behind Tachilek.
What is the cheapest way to fly from THL to SDL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–SDL that never appear on search engines, with no booking fees.
Why are some THL to SDL fares phone-only?
Consolidator contracts let us sell certain THL–SDL 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.