In general, when looking for the cheapest flight to Lisbon, try to choose a flight departing in November for the best deal.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Lisbon.
In general, booking your departure to Lisbon for a Tuesday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
In general, when looking for the cheapest flight to Lisbon, our data indicates that midday flights are the most cost-effective. evening flights tend to be the most expensive.