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TRI to DED: distance & flight time
BRISTOL (Tri-Cities Regional TN/VA Airport) → Dehra Dun (Dehradun Airport)
7,662 mi
12,331 km · 6,658 nm
15h 29m
estimated nonstop flight time
+9.5h
time difference · heading north
See live TRI→DED fares Phone-only fares on this route — call free
Flight time details
7,662 miles nonstop takes roughly 15h 29m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 TRI
- MRN · Foothills Regional Airport63 mi away
- AVL · Asheville Regional Airport72 mi away
- IKB · Wilkes County Airport75 mi away
- HKY · Hickory Regional Airport76 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 TRI from DED?
The flight distance from BRISTOL (TRI) to Dehra Dun (DED) is 7,662 miles (12,331 km, 6,658 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRI to DED?
A nonstop flight takes about 15h 29m 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 BRISTOL and Dehra Dun?
Dehra Dun is 9.5 hours ahead of BRISTOL.
What is the cheapest way to fly from TRI to DED?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRI–DED that never appear on search engines, with no booking fees.