Sofia to Frankfurt (SOF-FRA): nonstop flights and who flies them

Lufthansa, Bulgaria Air, and Air VIA fly nonstop between Sofia (SOF) and Frankfurt (FRA), roughly 22 times a week. With Lufthansa running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. Lufthansa, Bulgaria Air, and Air VIA fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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22
Nonstop flights a week
869 mi
Nonstop distance
Free
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Sofia to Frankfurt flight schedule

Scheduled nonstop departures for SOF to FRA, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Sofia (SOF) to Frankfurt (FRA)
Date Flight Airline Departs SOF Arrives FRA Duration Aircraft
LH 1431Lufthansa06:1007:402h 30m321
LH 1427Lufthansa14:1015:402h 30m321
LH 1429Lufthansa18:4020:102h 30m320
LH 1431Lufthansa06:2007:502h 30m32N
FB 437Bulgaria Air10:3012:102h 40m223
LH 1427Lufthansa13:5015:202h 30m321
LH 1429Lufthansa19:0020:302h 30m320
LH 1431Lufthansa06:3008:002h 30m32Q
LH 1427Lufthansa14:1015:402h 30m32A
LH 1429Lufthansa18:4520:152h 30m32A
LH 1431Lufthansa06:2007:502h 30m321
LH 1427Lufthansa14:1015:402h 30m321
FB 437Bulgaria Air15:4017:152h 35m221
LH 1429Lufthansa19:0520:352h 30m319
LH 1431Lufthansa06:2007:502h 30m321
LH 1427Lufthansa13:5515:252h 30m32N
LH 1431Lufthansa06:2007:502h 30m321
LH 1427Lufthansa13:5015:202h 30m321
LH 1431Lufthansa06:2007:502h 30m32A
LH 1427Lufthansa14:2015:502h 30m321
LH 1429Lufthansa19:0020:302h 30m320

Showing all 21 scheduled SOF to FRA departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SOF to FRA date on the interactive map

The full SOF to FRA nonstop schedule

Lufthansa, Bulgaria Air, and Air VIA fly the route nonstop in 2LNR's schedule data. This page carries the full SOF to FRA nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each SOF to FRA departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SOF to FRA on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Sofia to Frankfurt nonstop

Carriers operating SOF to FRA nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SOF to FRA on the interactive map →

Frequently asked questions about SOF to FRA

How far is Frankfurt from Sofia?
SOF to FRA covers about 869 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SOF to FRA?
Lufthansa, Bulgaria Air, and Air VIA fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the SOF to FRA schedule rather than a space claim.
How many flights a week are there from SOF to FRA?
About 22 nonstop flights a week run between Sofia and Frankfurt in the current schedule, operated by Lufthansa, Bulgaria Air, and Air VIA. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SOF to FRA depart?
Scheduled SOF to FRA nonstops in the next 7 days with service leave between 06:10 and 19:05, local time at Sofia. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on SOF to FRA?
Not on this route: none of Lufthansa, Bulgaria Air, and Air VIA is a carrier 2LNR reads inventory for. The page carries the full SOF to FRA nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full SOF to FRA nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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