My son in law will be joining us/family who will already be in Sintra this June. He is not a frequent traveler and rarely flies alone. He will be arriving in Lisbon from the US on a Saturday morning.
What is the easiest way he can get to Sintra? I suspect it's a taxi and wondered about costs?
Bus or train would be fine but from what I've read so far he would need to make changes.
Thanks for your help.