Flying two parents, 2.5 yo, and infant with car seat in her own seat, how would you book tickets. I am assuming Dh will sit with the toddler (no car seat, we are renting one at our destination) and I will sit with the baby. I understand the car seat has to be next to the window, right? If it's a standard 3 seats on either side of an aisle, how would you try to book your seats?

Also if we did decide to buy a travel car seat for the toddler that has to go in a window too, right? Recommendations for an inexpensive light seat that's easy enough to install? We borrowed a friends cosco scenera last time and it was a pain to install, though she was RF then and FF now.

Thanks!