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Sofia to Basel flights in December 2026 from $103 SOF → BSL

Sofia Airport (SOF) → EuroAirport Swiss (BSL)

For departures in December 2026, the cheapest return found recently is $103 with Ryanair, 31 Dec – 7 Jan 2027, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $122 to $197. Across all 9 departure dates we hold on this route, it is usually $140 to $187.

Cheapest return found recently

$103

31 Dec – 7 Jan 2027 · Ryanair

Sofia Airport (SOF) → EuroAirport Swiss (BSL)

out 1 stop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$96

8 Dec – 10 Dec · Wizz Air

Sofia Airport (SOF) → EuroAirport Swiss (BSL)

out nonstop, back nonstop

found 4 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec – 10 Dec$96Wizz Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
31 Dec – 7 Jan 2027$103Ryanairout 1 stop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 2 Jan 2027$140Wizz Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
30 Dec – 10 Jan 2027$161Wizz Airout 2 stops, back nonstopfound 2 days agoSee prices for these dates
27 Dec – 4 Jan 2027$187Wizz Airout nonstop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

7 departure dates

8 Dec – 10 Dec: $96, found 4 days ago19 Dec – 24 Dec: $206, found 3 days ago25 Dec – 2 Jan 2027: $140, found 2 days ago27 Dec – 4 Jan 2027: $187, found 6 days ago29 Dec – 1 Jan 2027: $224, found 6 days ago30 Dec – 10 Jan 2027: $161, found 2 days ago31 Dec – 7 Jan 2027: $103, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Dec – 10 Dec$96Wizz AirSofia Airport (SOF) → EuroAirport Swiss (BSL)out nonstop, back nonstopfound 4 days agoSee prices for these dates
19 Dec – 24 Dec$206Wizz AirSofia Airport (SOF) → EuroAirport Swiss (BSL)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
25 Dec – 2 Jan 2027$140Wizz AirSofia Airport (SOF) → EuroAirport Swiss (BSL)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Dec – 4 Jan 2027$187Wizz AirSofia Airport (SOF) → EuroAirport Swiss (BSL)out nonstop, back 1 stopfound 6 days agoSee prices for these dates
29 Dec – 1 Jan 2027$224Pegasus AirlinesSofia Airport (SOF) → EuroAirport Swiss (BSL)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
30 Dec – 10 Jan 2027$161Wizz AirSofia Airport (SOF) → EuroAirport Swiss (BSL)out 2 stops, back nonstopfound 2 days agoSee prices for these dates
31 Dec – 7 Jan 2027$103RyanairSofia Airport (SOF) → EuroAirport Swiss (BSL)out 1 stop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $96.

December 2026From $96Cheapest seen7 departure dates8 Dec – 10 Dec · found 4 days agoSee prices for these dates
January 2027From $1702 departure dates2 Jan 2027 – 10 Jan 2027 · found 2 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work