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ISN to SPI: distance & flight time
Williston (Sloulin Field International Airport) → Springfield (Abraham Lincoln Capital Airport)
899 mi
1,447 km · 781 nm
2h 25m
estimated nonstop flight time
Same time
time difference · heading southeast
See live ISN→SPI fares Phone-only fares on this route — call free
Flight time details
899 miles nonstop takes roughly 2h 25m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- SPI — Abraham Lincoln Capital Airport · Springfield, 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 SPI
Frequently asked questions
How far is ISN from SPI?
The flight distance from Williston (ISN) to Springfield (SPI) is 899 miles (1,447 km, 781 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SPI?
A nonstop flight takes about 2h 25m 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 cheapest way to fly from ISN to SPI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SPI that never appear on search engines, with no booking fees.