The cheapest way to the airport. Nothing listed is quicker.
Line 10 to Santa Cruz
10 · TITSAPickup, hours & luggage
Boards at. Intercambiador de Santa Cruz, the bus station under the tram terminus; it picks up at Caletillas and San Isidro on the way
EUR 9.35 single, paid to the driver as you board in cash (notes of EUR 10 at most; the exact fare after 21:00). EUR 6.95 with a ten+ card loaded with credit, sold in town, not at the airport. Under-fives free. The EUR 10 ten+ 1-day tourist ticket, from the airport machines (plus EUR 2 for the card) or the ten+ móvil app, covers every bus for 24 hours.
Luggage. Bags up to 100 × 60 × 25 cm at most; suitcases go in the hold under the bus, smaller bags stay with you.
Hours. From the Intercambiador at 05:30, 06:10, 06:50, 07:10, 07:30 and then every 40 minutes to 21:30, every day, with a 05:10 bus on weekdays. It sets down at the departures stop, 55 minutes out.