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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 July , August 2026

28 Jul - 20 Aug $ 926.00
STL
St Louis
United Airlines
1 STOPS
SOF
Sofia
SOF
Sofia
United Airlines
2 STOPS
STL
St Louis
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28 Jul - 10 Aug $ 2,300.00
STL
St Louis
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
STL
St Louis
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28 Jul - 10 Aug $ 3,073.00
STL
St Louis
Air Canada
2 STOPS
SOF
Sofia
SOF
Sofia
Air Canada
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Sofia

27 Jul - 01 Aug $ 1,821.00
STL
St Louis
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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27 Jul - 01 Aug $ 1,851.00
STL
St Louis
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
3 STOPS
STL
St Louis
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27 Jul - 31 Jul $ 2,007.00
STL
St Louis
Frontier Airlines
3 STOPS
SOF
Sofia
SOF
Sofia
Frontier Airlines
2 STOPS
STL
St Louis
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One-way flights to Sofia from St Louis

8:08 PM - 7:30 AM
Turkish Airlines
3 Stops
28h 37m
STL - SOF
$ 676
Kiwi
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8:55 AM - 3:45 PM
Air Canada
2 Stops
25h 45m
STL - SOF
$ 788
Kiwi
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2:40 PM - 2:50 PM
Air Canada
2 Stops
19h 20m
STL - SOF
$ 1,330
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.