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HFD to SOF: distance & flight time
Hartford (Hartford Brainard Airport) → Sofia (Sofia Airport)
4,617 mi
7,431 km · 4,012 nm
9h 31m
estimated nonstop flight time
+7h
time difference · heading northeast
See live HFD→SOF fares Phone-only fares on this route — call free
Flight time details
4,617 miles nonstop takes roughly 9h 31m 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
- HFD — Hartford Brainard Airport · Hartford, 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 HFD
- BDL · Bradley International Airport14 mi away
- BAF · Westfield-Barnes Regional Airport29 mi away
- OXC · Waterbury Oxford Airport31 mi away
- CEF · Westover ARB/Metropolitan Airport32 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 HFD from SOF?
The flight distance from Hartford (HFD) to Sofia (SOF) is 4,617 miles (7,431 km, 4,012 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HFD to SOF?
A nonstop flight takes about 9h 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 Hartford and Sofia?
Sofia is 7 hours ahead of Hartford.
What is the cheapest way to fly from HFD to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HFD–SOF that never appear on search engines, with no booking fees.