Need help booking?
Unpublished phone-only deals available
OSP to BOI: distance & flight time
Slupsk (Redzikowo Air Base) → Boise (Boise Air Terminal/Gowen Field)
5,128 mi
8,252 km · 4,456 nm
10h 31m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OSP→BOI fares Phone-only fares on this route — call free
Flight time details
5,128 miles nonstop takes roughly 10h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- OSP — Redzikowo Air Base · Slupsk, Poland
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 OSP
- GDN · Gdańsk Lech Wałęsa Airport55 mi away
- QYD · Oksywie Military Air Base57 mi away
- RNN · Bornholm Airport102 mi away
- BZG · Bydgoszcz Ignacy Jan Paderewski Airport102 mi away
Near BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Frequently asked questions
How far is OSP from BOI?
The flight distance from Slupsk (OSP) to Boise (BOI) is 5,128 miles (8,252 km, 4,456 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSP to BOI?
A nonstop flight takes about 10h 31m 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 Slupsk and Boise?
Boise is 8 hours behind Slupsk.
What is the cheapest way to fly from OSP to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSP–BOI that never appear on search engines, with no booking fees.