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Cheap flights from St Louis (STL) to Sofia (SOF)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Sofia (SOF)

How to find the cheapest flight from St Louis (STL) to Sofia (SOF)
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How to find the cheapest flight from St Louis (STL) to Sofia (SOF)
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How to find the cheapest flight from St Louis (STL) to Sofia (SOF)
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Cheap flights from St Louis to Sofia in March , April 2026

23 Mar - 24 Apr $ 790.00
STL
St Louis
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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23 Mar - 22 Apr $ 820.00
STL
St Louis
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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23 Mar - 25 Apr $ 932.00
STL
St Louis
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Sofia

23 Mar - 02 Apr $ 734.00
STL
St Louis
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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23 Mar - 02 Apr $ 752.00
STL
St Louis
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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16 Mar - 02 Apr $ 852.00
STL
St Louis
Frontier Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Sofia from St Louis

7:47 AM - 2:25 PM
easyJet
2 Stops
28h 48m
STL - SOF
$ 323
Kiwi
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8:10 PM - 2:25 PM
easyJet
2 Stops
40h 25m
STL - SOF
$ 341
Kiwi
Pick dates
7:47 AM - 2:25 PM
easyJet
2 Stops
28h 48m
STL - SOF
$ 441
Kiwi
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How to find the cheapest flight from St Louis (STL) to Sofia (SOF)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Sofia (SOF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.