Cheapest return flights from Basel to Warsaw in April from $206
AirHint found the following cheapest return flights from Basel (BSL) to Warsaw (WAW) in April 2026 (see full year).
Return flights
| 14 Apr - 18 Apr | Lufthansa | ||
| 23 Apr - 26 Apr | KLM | ||
| 24 Apr - 26 Apr | KLM | ||
| 23 Apr - 23 Apr | KLM |
Also check the deals for one-way flights from Basel to Warsaw in April.
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.
