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TDX to DED: distance & flight time
Trat (Trat Airport) → Dehra Dun (Dehradun Airport)
1,979 mi
3,184 km · 1,719 nm
4h 21m
estimated nonstop flight time
-1.5h
time difference · heading northwest
See live TDX→DED fares Phone-only fares on this route — call free
Flight time details
1,979 miles nonstop takes roughly 4h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- TDX — Trat Airport · Trat, Thailand
- DED — Dehradun Airport · Dehra Dun, India
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 TDX
- BBM · Battambang Airport83 mi away
- UTP · U-Tapao International Airport93 mi away
- REP · Siem Reap International Airport128 mi away
- BKK · Suvarnabhumi Airport144 mi away
Near DED
- IXC · Chandigarh Airport89 mi away
- SLV · Shimla Airport90 mi away
- PGH · Pantnagar Airport111 mi away
- DEL · Indira Gandhi International Airport130 mi away
Frequently asked questions
How far is TDX from DED?
The flight distance from Trat (TDX) to Dehra Dun (DED) is 1,979 miles (3,184 km, 1,719 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TDX to DED?
A nonstop flight takes about 4h 21m 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 Trat and Dehra Dun?
Dehra Dun is 1.5 hours behind Trat.
What is the cheapest way to fly from TDX to DED?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TDX–DED that never appear on search engines, with no booking fees.