Is an au pair cheaper than daycare?
Yes, an au pair can be cheaper than full-time daycare when a family has two or more children and a spare room, because the weekly pocket-money arrangement does not usually double per child. Daycare or nursery may still be better for babies, structured early-years education, or families who cannot provide live-in accommodation.
The main cost difference is scale. Daycare and nursery fees are normally charged per child and per place. An au pair is a live-in cultural-exchange helper, so the family provides room, board, and pocket money for one person rather than buying multiple full-time childcare places.
When an au pair is usually cheaper
You have two or more children who need light wraparound care.
You have a suitable private room and can include meals and household costs.
You need flexible before-school, after-school, or evening help rather than full-time early-years education.
When daycare can be the better fit
You need professional sole-charge care for babies or toddlers.
You want structured group learning, nursery provision, or regulated early-years care.
You do not have a spare room or do not want a live-in arrangement.
Use the au pair option as a family-life and flexibility decision as well as a cost decision. A lower weekly cash cost does not remove the responsibility to host fairly, agree hours in writing, and follow the rules for your country.
Follow-up questions
Does an au pair cost the same for every number of children?
Not exactly, but the cost usually rises less sharply than daycare because the family hosts one au pair rather than paying for each child's separate daycare place.
Can an au pair replace daycare for a baby?
Usually no. Au pairs are best for light childcare and cultural exchange, not professional sole-charge care for babies.