Train
Take the train Ic at the station Lisboa - Santa Apolonia .
The journey takes approximately 2 h 2 min. Ticket price is about 15–22 EUR. The travel distance is 217 km.
Carrier is Comboios De Portugal.
Get off at the Coimbra-B
Bus
Take the bus RedeExpressos at the station
The journey takes approximately 2 h 20 min. Ticket price is about 12–15 EUR. The travel distance is 203 km.
Carrier is Rede Expressos.
Get off at the Coimbra
Bus via oriente
Take the subway Vermelha - AEROPORTO at the station Alameda .
The journey takes approximately 10 min. Ticket price is about 1–6 EUR. The travel distance is 5 km.
Carrier is Metro Lisboa.
Get off at the Oriente
124 m on foot from the station Oriente to the station Lisboa.
Drive
In a rental car
The drive will take 2 h. The distance between Lisbon and Coimbra is 205 km. You will use 16 liters of gasoline at a cost of €20.8.
See on this site which rental company has the best deal.