Best default when bags, tired kids, car seats, and a clean handoff from DEN matter more than saving a few dollars on a messy arrival.
DCC family corridor
Best Denver airport ride with kids: family pickup, rideshare, or rental car?
Family-safe private pickup
Standard rideshare
Works only if the group is simple, the luggage is light, and you are comfortable figuring out car-seat and curbside friction after landing.
Rental car
Best only if you genuinely need full control for a multi-stop trip and are willing to absorb parking, loading, and child-seat setup yourself.
With kids, the failure point is not the drive itself. It is the arrival stack: baggage claim, curbside timing, car seats, stroller or extra gear, and the moment everyone is already tired. That is why the strongest default is usually a planned family pickup that handles the handoff cleanly instead of reopening the transport problem after you land.