Cheap flights from California to Lisbon from $321

In general, January is the cheapest month to fly from California to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $611. If you are unable to visit Lisbon during the month of January, then departing from California during the month February is also very affordable. Most momondo users find prices during this month for around $616.

Our data shows that Thursday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $629. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to Lisbon for around $892.

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $775. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $943 on average. Flights to Lisbon from California in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Los Angeles to Lisbon Humberto Delgado for the best California - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $882 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from California for as low as $851 on momondo.

There are 4 cabin classes available to choose from on California to Lisbon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

British Airways, United Airlines, and Brussels Airlines are the most popular carriers operating from California to Lisbon Humberto Delgado

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Lisbon from California according to our data. TAP AIR PORTUGAL is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 17 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 6 flights per week flying from California to Lisbon. The most common day of the week flights depart is Mon, with 50% of flights taking off on this day.

Average flight duration from California to Lisbon depends on which airport you fly into and out of. Flying from San Francisco to Lisbon is 10h 55m on average, while flying from Los Angeles to Lisbon is 11h 05m on average. Lisbon is the most popular airport in Lisbon.