Cheap Flights from Lisbon to San Francisco from $486

Frequently Asked Questions

• What are the cheapest flights from Lisbon to San Francisco (LIS-SFO)?

  Based on Trip.com data, British Airways offers one-way fares as low as $486 on Cheapest nonstop routes (e.g. LIS to SFO on Thu, Jun 11), while United Airlines offers Cheapest nonstop round-trips from $905 departing on Wed, Jun 3 and returning on Mon, Jun 8.

• Which airlines offer direct flights from Lisbon to San Francisco?

  At the moment, you can catch a nonstop flight from Lisbon to San Francisco with the following airlines, including: Iberia TAP Air Portugal Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Lisbon (LIS) to San Francisco (SFO) and what is the distance?

  It takes around 12 hours 33 minutes to fly from Lisbon (LIS) to San Francisco (SFO).

• When is the best time to book flights from Lisbon to San Francisco?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Lisbon to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Lisbon to San Francisco?

  Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Lisbon to San Francisco. You can check the weekly schedule for popular airlines on this route below: TAP Air Portugal: -/M/-/W/T/F/- -- TP237 (14:24)

• How can I find the best deals on flights from Lisbon to San Francisco?

  To find best deals on flights from Lisbon to San Francisco, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jun 11, with one-way flights priced at just $486.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is TAP Air Portugal.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Lisbon (LIS) to San Francisco (SFO) the cheapest?

  The cheapest months to fly from Lisbon to San Francisco is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Lisbon to San Francisco on?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Lisbon to San Francisco on May 16, 2026 with Vueling Airlines, with prices starting at $421.

• Which airports can I fly to for San Francisco from Lisbon?

  You can land at any one of the following hubs in San Francisco, with Humberto Delgado Airport to San Francisco International Airport (LIS-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).

• Is there any time difference between Lisbon and San Francisco?

  The time difference between San Francisco and Lisbon is 8h.

• How do I change or cancel my ticket from Lisbon to San Francisco?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.