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SOF to HIO: distance & flight time
Sofia (Sofia Airport) → Hillsboro (Portland Hillsboro Airport)
5,999 mi
9,654 km · 5,213 nm
12h 14m
estimated nonstop flight time
-10h
time difference · heading northwest
See live SOF→HIO fares Phone-only fares on this route — call free
Flight time details
5,999 miles nonstop takes roughly 12h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time set-back when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- HIO — Portland Hillsboro Airport · Hillsboro, 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 SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Near HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Frequently asked questions
How far is SOF from HIO?
The flight distance from Sofia (SOF) to Hillsboro (HIO) is 5,999 miles (9,654 km, 5,213 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to HIO?
A nonstop flight takes about 12h 14m 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 Sofia and Hillsboro?
Hillsboro is 10 hours behind Sofia.
What is the cheapest way to fly from SOF to HIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–HIO that never appear on search engines, with no booking fees.