1.  Show all flights that leave from ... -----------------------------------------------EUROPE Barcelona (BCN) Madrid (MAD) Oporto (OPO) Milan (MXP) London Heathrow (LHR) Frankfurt (FRA) Paris (CDG) Brussels (BRU) Amsterdam (AMS) Lisbon (LIS) Leipzig (LEJ) [Show all flights that leave from ...]

2.  Show all flights that fly to ... -----------------------------------------------EUROPE Barcelona (BCN) Madrid (MAD) Oporto (OPO) Milan (MXP) London Heathrow (LHR) Frankfurt (FRA) Paris (CDG) Brussels (BRU) Amsterdam (AMS) Lisbon (LIS) Leipzig (LEJ) [Show all flights that fly to ...]

3.  Select a starting airport -----------------------------------------------EUROPE Barcelona (BCN) Madrid (MAD) Oporto (OPO) Milan (MXP) London Heathrow (LHR) Frankfurt (FRA) Paris (CDG) Brussels (BRU) Amsterdam (AMS) Lisbon (LIS) Leipzig (LEJ) to Select a destination airport -----------------------------------------------EUROPE Barcelona (BCN) Madrid (MAD) Oporto (OPO) Milan (MXP) London Heathrow (LHR) Frankfurt (FRA) Paris (CDG) Brussels (BRU) Amsterdam (AMS) Lisbon (LIS) Leipzig (LEJ)