Need help booking?
Unpublished phone-only deals available
DED to PNH: distance & flight time
Dehra Dun (Dehradun Airport) → Phnom-penh (Phnom Penh International Airport)
2,140 mi
3,443 km · 1,859 nm
4h 40m
estimated nonstop flight time
+1.5h
time difference · heading southeast
See live DED→PNH fares Phone-only fares on this route — call free
Flight time details
2,140 miles nonstop takes roughly 4h 40m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- DED — Dehradun Airport · Dehra Dun, India
- PNH — Phnom Penh International Airport · Phnom-penh, Cambodia
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 DED
- IXC · Chandigarh Airport89 mi away
- SLV · Shimla Airport90 mi away
- PGH · Pantnagar Airport111 mi away
- DEL · Indira Gandhi International Airport130 mi away
Near PNH
- KZC · Kampong Chhnang Airport52 mi away
- KTI · Kratie Airport105 mi away
- KOS · Sihanoukville International Airport106 mi away
- PQC · Phu Quoc International Airport111 mi away
Frequently asked questions
How far is DED from PNH?
The flight distance from Dehra Dun (DED) to Phnom-penh (PNH) is 2,140 miles (3,443 km, 1,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DED to PNH?
A nonstop flight takes about 4h 40m 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 Dehra Dun and Phnom-penh?
Phnom-penh is 1.5 hours ahead of Dehra Dun.
What is the cheapest way to fly from DED to PNH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DED–PNH that never appear on search engines, with no booking fees.