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ISN to ECA: distance & flight time
Williston (Sloulin Field International Airport) → East Tawas (Iosco County Airport)
999 mi
1,608 km · 868 nm
2h 38m
estimated nonstop flight time
+1h
time difference · heading east
See live ISN→ECA fares Phone-only fares on this route — call free
Flight time details
999 miles nonstop takes roughly 2h 38m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- ECA — Iosco County Airport · East Tawas, 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 ECA
- OSC · Oscoda Wurtsmith Airport10 mi away
- APN · Alpena County Regional Airport53 mi away
- GDW · Gladwin Zettel Memorial Airport57 mi away
- HTL · Roscommon County - Blodgett Memorial Airport62 mi away
Frequently asked questions
How far is ISN from ECA?
The flight distance from Williston (ISN) to East Tawas (ECA) is 999 miles (1,608 km, 868 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to ECA?
A nonstop flight takes about 2h 38m 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 East Tawas?
East Tawas is 1 hour ahead of Williston.
What is the cheapest way to fly from ISN to ECA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–ECA that never appear on search engines, with no booking fees.