The cheapest month to fly to Lisbon from United States is in January. Flight prices, which tend to average around $518, are often lower during this time because this is during the off-season. If you aren’t able to travel to Lisbon during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $543.
Most flyers found that booking tickets 60 days in advance of their planned departure date is the best time to get cheap flights to Lisbon. During this timeframe, flight prices are around $706. In the past 72 hours, momondo users found flights from United States to Lisbon for as low as $310.
Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $677. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $757. These prices are subject to change though, so be sure to set up a Price Alert for flights to Lisbon.
Flying to Lisbon from United States at noon is the least expensive time of day to depart. momondo users have found prices as low as $552 when looking at flights departing at noon. Try not to purchase tickets in the evening because they tend to be around $725. Of course, these prices can vary depending on the time of year and what airport you fly to.
Currently, Portugal travel restrictions include travel to Lisbon. Portugal has suspended all incoming international flights until further notice, except for flights bringing back Portuguese nationals and long-term residents with Portuguese residence permits. State flights, emergency flights, hospital/medevac flights, humanitarian/repatriation flights, United Nations flights may still enter the country, as may flights arriving from Angola, Austria, Belgium, Brazil (Sao Paulo (GRU) and Rio De Janeiro (RIO) airports only), Bulgaria, Canada, Cape Verde, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Guinea-Bissau, Hungary, Iceland, Ireland, Latvia, Lithuania, Luxembourg, Malta, Mozambique, the Netherlands, Norway, Poland, Portugal, Romania, Sao Tome and Principe, Slovakia, Slovenia, South Africa, Sweden, Switzerland, the United States, the United Kingdom, and Venezuela. Flights including a technical stopover where passengers do not disembark may also still enter Portugal. Travelers arriving in Madeira must self-isolate for 14 days and fill an online health form 24-48 hours prior to their journey. Travelers arriving in the Azores are subject to medical screening and quarantine, unless they have a negative COVID-19 test issued within 72 hours of their departure from an accredited laboratory. If you are planning to travel to Lisbon at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.