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ISN to SDM: distance & flight time
Williston (Sloulin Field International Airport) → San Diego (Brown Field Municipal Airport)
1,283 mi
2,064 km · 1,114 nm
3h 15m
estimated nonstop flight time
-2h
time difference · heading southwest
See live ISN→SDM fares Phone-only fares on this route — call free
Flight time details
1,283 miles nonstop takes roughly 3h 15m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- SDM — Brown Field Municipal Airport · San Diego, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near SDM
Frequently asked questions
How far is ISN from SDM?
The flight distance from Williston (ISN) to San Diego (SDM) is 1,283 miles (2,064 km, 1,114 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SDM?
A nonstop flight takes about 3h 15m 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 Williston and San Diego?
San Diego is 2 hours behind Williston.
What is the cheapest way to fly from ISN to SDM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SDM that never appear on search engines, with no booking fees.