A friend just too her Phil & Teds on the plane domestic, I took my stroller. I think the biggest pain for her was the bag to get the pram into & that it wasn't handled very nicely... the sun flap came off. My stroller was fine, but I bought it just to travel overseas & it was a cheap stroller with a recline action. With domestic flights you have to check them into oversized baggage at check in, so make sure you have something to hold them in like a sling while you wait for the flight. For international flights you can hold onto them until right before boarding.
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