Serving as the capital and the most visited attractions of Portugal, Lisbon is home to some amazing gothic cathedrals and exotic museums. Travel to the top of the Castelo de São Jorge for amazing views of the city and the river. Catch a ferry to Cacilhas and see the star city from the water. Top attractions of the city include Castelo de São Jorge, Rossio & Praça da Figueira, Museu do Oriente and Torre de Belém.

Booking your flight with CheapOair helps ensure that you'll be getting the cheapest available tickets to Lisbon. With our Best Price Guarantee, you know that we can provide you with the fantastic low prices on flights to Lisbon, and with our 24/7 customer service you can always reach us during your trip.

March to May and September to October are the best months to visit Lisbon. The weather during this time is still warm while room rates and airfares are moderate. June to August is the busiest season in Lisbon, so if you are on a budget skip traveling during these months. September brings the Red Bull Air Race World Series while the Delta-Tejo Festival takes place in the month of July. For a budget-savvy, vacation, research and grab the cheapest flight to Lisbon and save big for the rest of your trip.

Owned by the Government of Portugal, Lisbon Portela Airport or the Lisbon Airport is the primary airport serving Lisbon. This airport offers excellent amenities including duty free shops, convenient parking, and restaurants to make your travel hassle free. The airport offers scheduled passenger services for to some of the major destinations including Dublin, Madrid, Brussels, Frankfurt and many more. If you are looking for cheapest flights to Lisbon, the best way to acquire them by booking ahead and compare the airfares available.