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SPI to SOF: distance & flight time
Springfield (Abraham Lincoln Capital Airport) → Sofia (Sofia Airport)
5,368 mi
8,639 km · 4,665 nm
11h
estimated nonstop flight time
+8h
time difference · heading northeast
See live SPI→SOF fares Phone-only fares on this route — call free
Flight time details
5,368 miles nonstop takes roughly 11h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- SPI — Abraham Lincoln Capital Airport · Springfield, 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 SPI
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 SPI from SOF?
The flight distance from Springfield (SPI) to Sofia (SOF) is 5,368 miles (8,639 km, 4,665 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPI to SOF?
A nonstop flight takes about 11h 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 Springfield and Sofia?
Sofia is 8 hours ahead of Springfield.
What is the cheapest way to fly from SPI to SOF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPI–SOF that never appear on search engines, with no booking fees.