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ECA to SPF: distance & flight time
East Tawas (Iosco County Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
1,003 mi
1,614 km · 871 nm
2h 39m
estimated nonstop flight time
-2h
time difference · heading west
See live ECA→SPF fares Phone-only fares on this route — call free
Flight time details
1,003 miles nonstop takes roughly 2h 39m gate to gate, flying west. 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
- ECA — Iosco County Airport · East Tawas, United States
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 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
Near SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is ECA from SPF?
The flight distance from East Tawas (ECA) to Spearfish-South Dakota (SPF) is 1,003 miles (1,614 km, 871 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ECA to SPF?
A nonstop flight takes about 2h 39m 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 East Tawas and Spearfish-South Dakota?
Spearfish-South Dakota is 2 hours behind East Tawas.
What is the cheapest way to fly from ECA to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ECA–SPF that never appear on search engines, with no booking fees.