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SDM to DEC: distance & flight time
San Diego (Brown Field Municipal Airport) → Decatur (Decatur Airport)
1,638 mi
2,636 km · 1,423 nm
3h 41m
estimated nonstop flight time
+2h
time difference · heading northeast
See live SDM→DEC fares Phone-only fares on this route — call free
Flight time details
1,638 miles nonstop takes roughly 3h 41m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SDM — Brown Field Municipal Airport · San Diego, United States
- DEC — Decatur Airport · Decatur, United States
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 SDM
Frequently asked questions
How far is SDM from DEC?
The flight distance from San Diego (SDM) to Decatur (DEC) is 1,638 miles (2,636 km, 1,423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDM to DEC?
A nonstop flight takes about 3h 41m 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 San Diego and Decatur?
Decatur is 2 hours ahead of San Diego.
What is the cheapest way to fly from SDM to DEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDM–DEC that never appear on search engines, with no booking fees.