Bus to Lloret de Mar from Girona airport:

From Girona airport regular buses of the Sagáles/Sarfa company travel daily to Lloret de Mar and to other towns on the Southern Costa Brava.
Duration: approx. 35 minutes
Price: approx. € 8

Bus to Lloret de Mar from Barcelona city centre:

The Sagáles/Sarfa company travels regularly, every 1 to 2 hours from the bus station Estación del Norte (Estació del Nord) in Barcelona to Lloret de Mar and stops at almost every coastal town along the way.
Duration: approx. 1 hour
Price: approx. € 8

Bus to Lloret de Mar Barcelona Airport:
There is no direct service from Barcelona Airport to Blanes unless, that is, you hire a private form of transport.
From Barcelona Airport you first have to travel to Barcelona city centre. Take the Aerobus A1 bus for approx. € 6 from the airport into Barcelona. You could also take the train cercanías (approx. 4 € ). At Barcelona bus station Estació del Nord take another bus to Lloret de Mar (see above, from Barcelona city centre).
As the airport bus unfortunately does not stop at Estació del Norte bus station, meaning that you have to take the underground, Metro (M) or a taxi to get to the bus station (underground station Arc de Triomf) where you can catch the bus to Lloret de Mar.
Regional Buses to Lloret de Mar

Lloret de Mar - Blanes
Lloret de Mar - Tossa de Mar

The Pujol bus company runs buses to Blanes and Tossa de Mar (duration approx. 20 mins). The price to Blanes is approx. €1.30 and to Tossa de Mar €1.30.
Other destinations:
Lloret de Mar - Barcelona
Price: approx. 8 €, Duration of travel: approx. 1 hour

Lloret de Mar - Vidreres - Girona centre
Price: approx. 4,50 €, Duration of travel: approx. 50 minutes

Lloret de Mar - Girona airport
Price: approx. 8 €, Duration of travel: approx. 35 minutes

Lloret de Mar - Olot
Price: approx. 8,50 €, Duration of travel: approx. 1 h 30 min

Other possible destinations (some only in high season):
Sant Feliu de Guíxols, Santa Cristina d'Aro, Playa d'Aro, Sant Antoni de Calonge, Palamós, Sant Pere Pescador, (Cruilla) Empuriabrava, Castelló d'Empuries, Aiguamolls de l'Empordà, Roses, Cadaqués and others.