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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 May , June 2026

27 May - 10 Jun $ 1,212.00
STL
St Louis
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
STL
St Louis
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27 May - 10 Jun $ 1,227.00
STL
St Louis
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
STL
St Louis
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27 May - 10 Jun $ 1,232.00
STL
St Louis
United Airlines
2 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Sofia

28 May - 01 Jun $ 1,628.00
STL
St Louis
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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20 May - 01 Jun $ 1,792.00
STL
St Louis
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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20 May - 01 Jun $ 1,844.00
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

12:55 PM - 9:15 AM
United Airlines
2 Stops
15h 15m
STL - SOF
$ 908
Kiwi
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3:30 PM - 10:05 AM
United Airlines
1 Stops
13h 45m
STL - SOF
$ 923
Kiwi
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1:13 PM - 9:10 AM
United Airlines
2 Stops
14h 27m
STL - SOF
$ 927
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.