We travel a fair amount, and have tried both renting car seats and bringing our own. Having a good, comfy, safe, clean, familiar car seat definitely key when taking car rides around town, so even though it adds to our baggage we always bring our Britax car seats with us. We’ve also experimented with checking them in at the baggage check-in and at the gate – both places, they will put a plastic bag around your carseat, and toss it around like a fish at the Pike Place Fish Market. Believe me, I’ve seen both the car seat tossing and the fish tossing. :)
I was so happy to find out that Britax came out with their Car Seat Travel Bag, which fits most car seats (not just Britax brand!). This handy bag zips right up around your car seat to protect it during your travels. It has:
The Britax Car Seat Travel bag retails for $69.99, and you can get it at amazon.