Need help booking?
Unpublished phone-only deals available
LHR to THS: distance & flight time
London (London Heathrow Airport) → Sukhothai (Sukhothai Airport)
5,720 mi
9,205 km · 4,970 nm
11h 41m
estimated nonstop flight time
+6h
time difference · heading east
See live LHR→THS fares Phone-only fares on this route — call free
Flight time details
5,720 miles nonstop takes roughly 11h 41m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- THS — Sukhothai Airport · Sukhothai, 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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Near THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 mi away
Frequently asked questions
How far is LHR from THS?
The flight distance from London (LHR) to Sukhothai (THS) is 5,720 miles (9,205 km, 4,970 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to THS?
A nonstop flight takes about 11h 41m 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 LHR to THS?
Nonstop service on LHR–THS 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 11h 41m nonstop estimate.
What is the time difference between London and Sukhothai?
Sukhothai is 6 hours ahead of London.
What is the cheapest way to fly from LHR to THS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–THS that never appear on search engines, with no booking fees.
Why are some LHR to THS fares phone-only?
Consolidator contracts let us sell certain LHR–THS 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.