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ISN to SDR: distance & flight time
Williston (Sloulin Field International Airport) → Santander (Santander Airport)
4,460 mi
7,178 km · 3,876 nm
9h 13m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ISN→SDR fares Phone-only fares on this route — call free
Flight time details
4,460 miles nonstop takes roughly 9h 13m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- SDR — Santander Airport · Santander, Spain
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 SDR
- BIO · Bilbao Airport47 mi away
- VIT · Vitoria/Foronda Airport67 mi away
- RGS · Burgos Airport75 mi away
- RJL · Logroño-Agoncillo Airport101 mi away
Frequently asked questions
How far is ISN from SDR?
The flight distance from Williston (ISN) to Santander (SDR) is 4,460 miles (7,178 km, 3,876 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SDR?
A nonstop flight takes about 9h 13m 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 Santander?
Santander is 7 hours ahead of Williston.
What is the cheapest way to fly from ISN to SDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SDR that never appear on search engines, with no booking fees.