Cheapest return flights from Bucharest to Warsaw in September from $146
AirHint found the following cheapest return flights from Bucharest (OTP) to Warsaw (WAW) in September 2025 (see full year).
Return flights
| 05 Sep - 09 Sep | LOT | direct | |
| 22 Sep - 28 Sep | LOT | direct | |
| 09 Sep - 13 Sep | LOT | direct | |
| 11 Sep - 15 Sep | LOT | direct | |
| 19 Sep - 22 Sep | Austrian Airlines | ||
| 04 Sep - 08 Sep | LOT | direct | |
| 19 Sep - 22 Sep | LOT | direct |
Also check the deals for one-way flights from Bucharest to Warsaw in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
