List of Airlines at (BIO) airport

Aer Lingus (Tel +34 902 502 737)
Air Europa (Tel +34 911 401 501)
Air France (Tel +34 913 753 335)
Air Nostrum (Tel +34 901 111 500)
British Airways (Tel +34 902 111 333)
Brussels Airlines (Tel +34 900 802 883)
EasyJet (Tel +34 902 599 900)
Enter Air (Tel +48 223 551 570)
Eurowings (Tel +34 900 838 113)
Evelop Airlines (Tel +34 902 222 008)
Iberia (Tel +34 901 111 500)
KLM (Tel +34 902 222 747)
Level (Tel +34 901 810 600)
Lufthansa (Tel +34 902 883 882)
Norwegian Air Shuttle (Tel +34 900 838 065)
Swiss International Air Lines (Tel +34 901 116 712)
TAP Air Portugal (Tel +34 901 116 718)
Turkish Airlines (Tel +34 944 869 875)
Volotea (Tel +34 931 224 319)
Vueling (Tel +34 902 808 005)

Many passengers do not know who to consult or make a claim to some doubts that arise before or after traveling, or any inconvenience that may occur. Listed below are topics that need to be consulted, coordinated or resolved directly with the airline.   Check in procedure   Documentation and visa required   Baggage weight limits, restricted and prohibited Items   Baggage and excess billing rates   Requirements for minors traveling alone or without parents   Special passengers needing prior coordination with the airline: people with disabilities, reduced mobility and pregnant women   Lost, delayed or damaged baggage reclaim   Possible flight's changes of date or cancellations   Confirmation of flight schedules (departures or arrivals)   Flight status report (for possible delays, cancellations, rescheduling)   In case your airline reschedules your flight, coordinate with the company for possible compensation, due to extra nights accomodation, food, flight connection lost, etc. Remember that it is always advisable to have a traveler's assistance insurance, in case the airline does not respond to any inconvenience that might happen (baggage lost or damaged, cancellation or flight delay, etc.)