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CAT to DED: distance & flight time
Cascais (Cascais Airport) → Dehra Dun (Dehradun Airport)
4,830 mi
7,773 km · 4,197 nm
9h 56m
estimated nonstop flight time
+4.5h
time difference · heading northeast
See live CAT→DED fares Phone-only fares on this route — call free
Flight time details
4,830 miles nonstop takes roughly 9h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from DED?
The flight distance from Cascais (CAT) to Dehra Dun (DED) is 4,830 miles (7,773 km, 4,197 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to DED?
A nonstop flight takes about 9h 56m 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 Cascais and Dehra Dun?
Dehra Dun is 4.5 hours ahead of Cascais.
What is the cheapest way to fly from CAT to DED?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–DED that never appear on search engines, with no booking fees.