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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 April , May 2026

29 Apr - 12 May $ 919.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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29 Apr - 01 Jun $ 1,041.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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29 Apr - 01 Jun $ 1,089.00
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

27 Apr - 02 May $ 1,095.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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22 Apr - 02 May $ 1,103.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
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27 Apr - 02 May $ 1,108.00
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

4:59 PM - 3:00 PM
Wizz Air Malta
3 Stops
41h 51m
STL - BBU
$ 361
Kiwi
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4:59 PM - 2:55 PM
Wizz Air Malta
3 Stops
41h 46m
STL - BBU
$ 409
Kiwi
Pick dates
4:59 PM - 3:00 PM
Wizz Air Malta
3 Stops
41h 51m
STL - BBU
$ 417
Kiwi
Pick dates

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.