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SOF to SPI: distance & flight time
Sofia (Sofia Airport) → Springfield (Abraham Lincoln Capital Airport)
5,368 mi
8,639 km · 4,665 nm
11h
estimated nonstop flight time
-8h
time difference · heading northwest
See live SOF→SPI fares Phone-only fares on this route — call free
Flight time details
5,368 miles nonstop takes roughly 11h 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
- SOF — Sofia Airport · Sofia, Bulgaria
- SPI — Abraham Lincoln Capital Airport · Springfield, 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 SPI
Frequently asked questions
How far is SOF from SPI?
The flight distance from Sofia (SOF) to Springfield (SPI) 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 SOF to SPI?
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.
Are there nonstop flights from SOF to SPI?
Nonstop service on SOF–SPI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h nonstop estimate.
What is the time difference between Sofia and Springfield?
Springfield is 8 hours behind Sofia.
What is the cheapest way to fly from SOF to SPI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–SPI that never appear on search engines, with no booking fees.
Why are some SOF to SPI fares phone-only?
Consolidator contracts let us sell certain SOF–SPI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.