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HUL to SOF: distance & flight time
Houlton (Houlton International Airport) → Sofia (Sofia Airport)
4,245 mi
6,832 km · 3,689 nm
8h 47m
estimated nonstop flight time
+7h
time difference · heading northeast
See live HUL→SOF fares Phone-only fares on this route — call free
Flight time details
4,245 miles nonstop takes roughly 8h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- HUL — Houlton International Airport · Houlton, United States
- SOF — Sofia Airport · Sofia, Bulgaria
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 HUL
- PQI · Northern Maine Regional Airport at Presque Isle41 mi away
- CAR · Caribou Municipal Airport53 mi away
- YFC · Fredericton Airport63 mi away
- YSL · St Leonard Airport71 mi away
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
Frequently asked questions
How far is HUL from SOF?
The flight distance from Houlton (HUL) to Sofia (SOF) is 4,245 miles (6,832 km, 3,689 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HUL to SOF?
A nonstop flight takes about 8h 47m 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 Houlton and Sofia?
Sofia is 7 hours ahead of Houlton.
What is the cheapest way to fly from HUL to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HUL–SOF that never appear on search engines, with no booking fees.