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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 May , June 2026

25 May - 09 Jun $ 1,242.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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27 May - 09 Jun $ 1,252.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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25 May - 10 Jun $ 1,258.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Bucharest

25 May - 01 Jun $ 1,525.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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25 May - 01 Jun $ 1,537.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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27 May - 01 Jun $ 1,542.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Bucharest from St Louis

4:12 PM - 2:55 PM
Wizz Air Malta
3 Stops
42h 33m
STL - BBU
$ 694
Kiwi
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7:41 PM - 2:55 PM
Wizz Air Malta
3 Stops
39h 4m
STL - BBU
$ 706
Kiwi
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7:41 PM - 3:00 PM
Wizz Air Malta
3 Stops
39h 9m
STL - BBU
$ 725
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.