Star Alliance member SWISS offers a €20 promo code right now on european flights until November 22, 2022. Please note that flights have to be operated by SWISS.
Swiss International Air Lines, or Swiss for short, is the national airline of Switzerland and flies to many destinations in Europe as well as long-haul destinations in North and South America, Africa, Asia and the Middle East via its hub at Zurich Airport.
Unfortunately, there is currently no coupon for Swiss flights. But there are many flight offers:
Seoul: €878 Lufthansa & SWISS Premium Economy from Budapest, Lisbon and Porto (With 2×23 Kg Luggage)

Shanghai, Beijing & Seoul: €445 Lufthansa Group Flights from Sweden (€525 With Luggage)

Business Class to 20 Chinese Cities for €1,349 with Lufthansa & Air China from Norway

Colombia & Brazil: €1,073 Lufthansa Group Premium Economy From Luxembourg (With 2x 23 kg Luggage)

Johannesburg: €467 Lufthansa & Swiss Flights from Four Italian Cities (€554 with Checked Luggage)

Mumbai, India: €754 Lufthansa & SWISS Premium Economy from France

Redeem Coupon
You can enter the coupon code during the last step of the booking process (payment):

Afterward, the code will be processed and deducted from your final price.
Cover Picture: Johannes Kinast