Cheapest return flights from Basel to Warsaw in September from $118

Best time to book flights for Basel (BSL) to Warsaw (WAW) flights at AirHint

AirHint found the following cheapest return flights from Basel (BSL) to Warsaw (WAW) in September 2025 (see full year).

Return flights

09 Sep - 29 Sep Wizz Air direct
16 Sep - 29 Sep Wizz Air direct
18 Sep - 29 Sep Wizz Air direct
11 Sep - 29 Sep Wizz Air direct
16 Sep - 06 Oct Wizz Air direct
09 Sep - 16 Sep Wizz Air direct
18 Sep - 06 Oct Wizz Air direct
07 Sep - 16 Sep Wizz Air direct
18 Sep - 09 Oct Wizz Air direct
11 Sep - 16 Sep Wizz Air direct
13 Sep - 29 Sep Wizz Air direct
20 Sep - 29 Sep Wizz Air direct
09 Sep - 28 Sep Wizz Air direct
30 Sep - 16 Oct Wizz Air direct
30 Sep - 18 Oct Wizz Air direct
30 Sep - 06 Oct Wizz Air direct
20 Sep - 06 Oct Wizz Air direct
30 Sep - 09 Oct easyJet
30 Sep - 11 Oct easyJet
30 Sep - 11 Oct Wizz Air direct

Also check the deals for one-way flights from Basel to Warsaw in September.

Skyscanner

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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw