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SQL to ISN: distance & flight time
San Carlos (San Carlos Airport) → Williston (Sloulin Field International Airport)
1,191 mi
1,917 km · 1,035 nm
3h 3m
estimated nonstop flight time
+2h
time difference · heading northeast
See live SQL→ISN fares Phone-only fares on this route — call free
Flight time details
1,191 miles nonstop takes roughly 3h 3m 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
- SQL — San Carlos Airport · San Carlos, United States
- ISN — Sloulin Field International Airport · Williston, 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 SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 mi away
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
Frequently asked questions
How far is SQL from ISN?
The flight distance from San Carlos (SQL) to Williston (ISN) is 1,191 miles (1,917 km, 1,035 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SQL to ISN?
A nonstop flight takes about 3h 3m 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 Carlos and Williston?
Williston is 2 hours ahead of San Carlos.
What is the cheapest way to fly from SQL to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SQL–ISN that never appear on search engines, with no booking fees.