Is cancellation allowed with penalty Air Europa? (24/7 Help Center) If you cancel Air Europa flight with a Flex or Business fare 1-833-281-3071, you can receive a full refund. If you cancel a flight with a Basic or Optima fare, you will be charged a cancellation fee. The fees can range from €25 to €150 depending on the route and timing of the cancellation 1-833-281-3071.