Need help booking?
Unpublished phone-only deals available
DED to SIN: distance & flight time
Dehra Dun (Dehradun Airport) → Singapore (Singapore Changi Airport)
2,614 mi
4,207 km · 2,272 nm
5h 36m
estimated nonstop flight time
+2.5h
time difference · heading southeast
See live DED→SIN fares Phone-only fares on this route — call free
Flight time details
2,614 miles nonstop takes roughly 5h 36m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time gain when reading arrival times on your ticket.
The two airports
- DED — Dehradun Airport · Dehra Dun, India
- SIN — Singapore Changi Airport · Singapore, Singapore
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 SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is DED from SIN?
The flight distance from Dehra Dun (DED) to Singapore (SIN) is 2,614 miles (4,207 km, 2,272 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DED to SIN?
A nonstop flight takes about 5h 36m 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 Singapore?
Singapore is 2.5 hours ahead of Dehra Dun.
What is the cheapest way to fly from DED to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DED–SIN that never appear on search engines, with no booking fees.