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Cheap flights from St Louis (STL) to Bucharest (BBU)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Bucharest (BBU)

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

23 Mar - 22 Apr $ 905.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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23 Mar - 27 Apr $ 921.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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25 Mar - 22 Apr $ 1,055.00
STL
St Louis
Frontier Airlines
2 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Bucharest

23 Mar - 01 Apr $ 1,267.00
STL
St Louis
Lufthansa
3 STOPS
BBU
Bucharest
BBU
Bucharest
Lufthansa
2 STOPS
STL
St Louis
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25 Mar - 01 Apr $ 1,417.00
STL
St Louis
Lufthansa
2 STOPS
BBU
Bucharest
BBU
Bucharest
Lufthansa
2 STOPS
STL
St Louis
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29 Mar - 01 Apr $ 1,417.00
STL
St Louis
Lufthansa
2 STOPS
BBU
Bucharest
BBU
Bucharest
Lufthansa
2 STOPS
STL
St Louis
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One-way flights to Bucharest from St Louis

7:47 AM - 5:35 AM
Wizz Air
3 Stops
41h 23m
STL - BBU
$ 354
Kiwi
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7:47 AM - 9:20 PM
Wizz Air Malta
3 Stops
34h 48m
STL - BBU
$ 382
Kiwi
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4:50 PM - 8:05 PM
Wizz Air
2 Stops
22h 35m
STL - BBU
$ 555
Kiwi
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How to find the cheapest flight from St Louis (STL) to Bucharest (BBU)

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