We are going to be traveling from Meteora/ Kalampaka to Tsagarada on the Pelion peninsula in May. We are looking for a private transfer that’s safe and semi affordable. We also need to get from Tsagarada to Athens airport a couple days later. Sometimes companies will negotiate a price or provide discounts for multiple trips. Thoughts?
I don't know anything about private transfers, but there are KTEL buses with a connection in Volos. You could also bus to Volos and take a (slower) train from there to Athens. I don't know how much longer a bus would take, but the drive is over 230 miles one way (and you'd pay for the round-trip), so I'd expect the cost of a private transfer to be very, very high.
You can contact https://taxicity.services/athens/ who can provide guided tours in minivan if you like!
They also provide 24hours live chat and phone support and can also transfer you in fixed prices from and to Athens International Airport.