Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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)
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.
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.

Cheap flights from St Louis to Bucharest in August , September 2026

31 Aug - 24 Sep $ 1,320.00
STL
St Louis
Air Canada
3 STOPS
BBU
Bucharest
BBU
Bucharest
Air Canada
3 STOPS
STL
St Louis
Pick dates
31 Aug - 30 Sep $ 1,320.00
STL
St Louis
Air Canada
3 STOPS
BBU
Bucharest
BBU
Bucharest
Air Canada
3 STOPS
STL
St Louis
Pick dates
31 Aug - 23 Sep $ 1,320.00
STL
St Louis
Air Canada
3 STOPS
BBU
Bucharest
BBU
Bucharest
Air Canada
3 STOPS
STL
St Louis
Pick dates

Last minute flights from St Louis to Bucharest

23 Aug - 01 Sep $ 2,289.00
STL
St Louis
Alaska Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Alaska Airlines
3 STOPS
STL
St Louis
Pick dates
23 Aug - 01 Sep $ 2,333.00
STL
St Louis
Air Canada
3 STOPS
BBU
Bucharest
BBU
Bucharest
Air Canada
3 STOPS
STL
St Louis
Pick dates
23 Aug - 01 Sep $ 2,391.00
STL
St Louis
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
STL
St Louis
Pick dates

One-way flights to Bucharest from St Louis

2:40 PM - 7:55 PM
Wizz Air
3 Stops
23h 40m
STL - BBU
$ 570
Kiwi
Pick dates
5:34 PM - 8:15 PM
Wizz Air
3 Stops
21h 1m
STL - BBU
$ 691
Kiwi
Pick dates
12:10 PM - 7:55 PM
Wizz Air
3 Stops
26h 10m
STL - BBU
$ 743
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Bucharest (BBU)

Related info for your journey
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.
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.