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Is a 55 min layover in Sofia long enough?

SOF · Sofia · Sofia, Bulgaria
Probably Enough

Yes, 55 minutes is probably enough for a layover at SOF (Sofia).

Comfortable for most same-terminal transfers and just meets the mixed Schengen/non-Schengen minimum.
Quick Stats
Concourses
2
Max Transit
20m
Avg. Security
10m
Primary Hub
Bulgaria Air
Minimum Connection Times
Schengen → Schengen
40min
✓
Schengen → Non-Schengen
55min
tight
Non-Schengen → Schengen
60min
✗
Non-Schengen → Non-Schengen
60min
✗
AD PLACEMENT — CONTEXTUAL
Tips for 55 min Connections
If your connection spans Terminal 1 and Terminal 2, budget extra time for the shuttle and a second security screening.
Bulgaria Air's flights are mostly out of Terminal 2, so intra-Bulgaria Air connections are usually simpler same-terminal transfers.
Since Schengen accession, flights between Sofia and other Schengen countries skip passport control, speeding up those transfers.
Connections involving the UK, Turkey, or other non-Schengen countries still require passport checks, so allow more buffer.
The airport is small enough that even with a terminal change, walking distances within each terminal are short.
Busyness — Connection Risk
12a6a12p6p12a
Low risk
Moderate
High risk
Tight connections are safer outside peak hours. Morning rush (6–9a), midday (11a–2p), and evening (4–8p) are highest risk.
Getting Between Concourses
Terminal 1 and Terminal 2 are physically separate buildings linked by a free shuttle bus that runs every 15-20 minutes, with the ride itself taking about 7-10 minutes plus wait time. Passengers connecting between terminals must exit and re-clear security, and those arriving from or departing to non-Schengen destinations pass through passport control at either terminal. Within the same terminal, gate-to-gate transfers are short walks of 5-10 minutes.
Frequently Asked Questions
Is 55 minutes enough for a layover at Sofia (SOF)?

Comfortable for most same-terminal transfers and just meets the mixed Schengen/non-Schengen minimum.

What is the minimum connection time at SOF?

Minimum connection times at Sofia: Schengen-to-Schengen is 40 minutes, Non-Schengen-to-Non-Schengen is 60 minutes. These are the shortest layovers airlines will sell.

Can I make a 55 minutes connection at SOF on an international flight?

55 minutes is below the 60-minute international MCT at Sofia. You may need to rush and could miss your connection. Terminal 1 and Terminal 2 are physically separate buildings linked by a free shuttle bus that runs every 15-20 minutes, with the ride itself taking about 7-10 minutes plus wait time. Passengers connecting between terminals must exit and re-clear security, and those arriving from or departing to non-Schengen destinations pass through passport control at either terminal. Within the same terminal, gate-to-gate transfers are short walks of 5-10 minutes.

What happens if I miss my connection at SOF?

If you miss a connection, head to the Bulgaria Air or your operating carrier's transfer desk in Terminal 2 (or the relevant Terminal 1 counter for low-cost carriers), as most airlines here handle rebooking directly at the gate or ticket desk rather than a dedicated transfer hub.

Other Layover Durations at SOF
25 min30 min35 min40 min45 min50 min1 hr1¼ hr1½ hr1¾ hr2 hr2½ hr3 hr4 hr
55 min Layovers at Other Airports
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