So we recently tackled a major travel journey with our almost 2 year old. We flew to Mexico. With Oliver. As a lap infant. Meaning he didn’t have his own seat on the plane, he was just on our laps. Just like it sounds right? We had done this once before with Oliver, when he was 3 months old. No big deal. This trip he was 20 months old. Big deal. For those of you who don’t have kids and just enjoy reading mom blogs. Or for those of you who have never flown with a young child, let me fill you in. If they’re under 2 years old airlines…