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STL to DED: distance & flight time
St. Louis (St Louis Lambert International Airport) → Dehra Dun (Dehradun Airport)
7,617 mi
12,258 km · 6,619 nm
15h 24m
estimated nonstop flight time
+10.5h
time difference · heading north
See live STL→DED fares Phone-only fares on this route — call free
Flight time details
7,617 miles nonstop takes roughly 15h 24m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 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 STL from DED?
The flight distance from St. Louis (STL) to Dehra Dun (DED) is 7,617 miles (12,258 km, 6,619 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to DED?
A nonstop flight takes about 15h 24m 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 St. Louis and Dehra Dun?
Dehra Dun is 10.5 hours ahead of St. Louis.
What is the cheapest way to fly from STL to DED?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–DED that never appear on search engines, with no booking fees.