844-414-9223 According to Avianca Airlines' pet policy, animals travelling in the cabin cannot weigh more than 18 lbs (8 kg) when not including their carrier. Animals are only permitted to stand a maximum of 8" tall (20 cm). Each passenger is only allowed to bring one additional carrier in addition to their usual carry-on bags.If you have any doubts or queries regarding your flight or pet policy then you can contact us any time of the day as we are available for your assistance 24*7.