Skyscanner

Cheap Flights from Lisbon to San Diego

Compare Lisbon to San Diego flight deals

Find the cheapest month or even day of the year to fly to San Diego

Book the best San Diego fare with no extra fees

TrustScore 4.5 out of 5 4.5 out of 5 based on 794 reviews Trustpilot

Flight deals from Lisbon to San Diego

Looking for a cheap last-minute deal or the best return flight from Lisbon to San Diego? Find the lowest prices on one-way and return tickets right here.
San Diego.C$498 per passenger.Departing Wed., Oct. 29.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Wed., Oct. 29, arriving in San Diego International.Price includes taxes and charges.From C$498, select.
San Diego.C$554 per passenger.Departing Mon., Dec. 15.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Lisbon on Mon., Dec. 15, arriving in San Diego International.Price includes taxes and charges.From C$554, select.
San Diego.C$585 per passenger.Departing Thu., Jan. 22.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Lisbon on Thu., Jan. 22, arriving in San Diego International.Price includes taxes and charges.From C$585, select.
San Diego.C$615 per passenger.Departing Sun., Nov. 23.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from Lisbon on Sun., Nov. 23, arriving in San Diego International.Price includes taxes and charges.From C$615, select.
San Diego.C$635 per passenger.Departing Thu., Apr. 9.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Lisbon on Thu., Apr. 9, arriving in San Diego International.Price includes taxes and charges.From C$635, select.
San Diego.C$693 per passenger.Departing Tue., May 26.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Tue., May 26, arriving in San Diego International.Price includes taxes and charges.From C$693, select.
San Diego.C$696 per passenger.Departing Sun., Feb. 15.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Lisbon on Sun., Feb. 15, arriving in San Diego International.Price includes taxes and charges.From C$696, select.
San Diego.C$722 per passenger.Departing Mon., Sep. 29.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Lisbon on Mon., Sep. 29, arriving in San Diego International.Price includes taxes and charges.From C$722, select.

Find the cheapest month to fly from Lisbon to San Diego

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Lisbon to San Diego flights are currently cheapest in October.
Sep.
from C$722
Oct.
from C$498
Nov.
from C$615
Dec.
from C$554
Jan.
from C$585
Feb.
from C$696
Mar.
from C$778
Apr.
from C$635
May
from C$693
Jun.
from C$780
Jul.
from C$1,155
Aug.
from C$996

Alternative Lisbon to San Diego routes

Looking for the cheapest, fastest or easiest route from Lisbon to San Diego? You could fly into the following airports instead.

Lisbon to San Diego: Flight information

The things to know before you go.
Cheapest flight foundC$498
Cheapest month to flyOctober

Finding cheap flights from Lisbon to San Diego: Frequently asked questions

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Lisbon to San Diego is C$959. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Lisbon to San Diego. But we found flights with one or more stops from C$959.
As of September 2025, there are no flights flying from Lisbon to San Diego.
The cheapest month to fly from Lisbon to San Diego is usually November.
If you're flying from Lisbon Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from C$959.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to San Diego on Wednesday, November 12, 2025.
No airlines currently offer direct flights between Lisbon Airport and San Diego. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 22°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Vueling Airlines offers the cheapest flight tickets to San Diego.

Flying from Lisbon Portela Airport (LIS) to San Diego: what you need to know

  • The timezone in San Diego is UTC-7. The city is 7 hours behind Lisbon, where Lisbon Portela Airport is located.

  • Give yourself plenty of time to get on your flight from LIS to San Diego. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience bigger queues during popular months like June and other peak seasons. Arriving up to fours hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • Think about adding a stopover to potentially find a cheaper flight from LIS to San Diego. Just uncheck 'Direct flights only' when browsing the departures. Take a pause at one of these airports:

    • Logan International Airport (BOS)

    • Washington Dulles International Airport (IAD)

    • London Heathrow Airport (LHR)

  • To travel to United States for tourism purposes, you'll need an ETA if you have a passport from Portugal. However, visa rules can change and other documentation may be needed depending on the length and purpose of your trip. Always check the most up-to-date guidelines before reserving your cheap ticket from Lisbon Portela Airport to San Diego.

  • Located around 10 kilometres from the centre of Lisbon, LIS can be reached in about 22 minutes by car, depending on traffic. The journey by public transport takes roughly 59 minutes.

  • Have an early flight from Lisbon Portela Airport to San Diego? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels near LIS:

How to find the cheapest flights from Lisbon Portela Airport (LIS) to San Diego

  • The best price we've seen for a one-way ticket from Lisbon Portela Airport to San Diego is C$498. The cheapest price for a return flight is C$959. Keep in mind fares may change due to availability at the time of booking.

  • To find cheap tickets from LIS to San Diego, book as early as possible. Airlines tend to offer their most competitively priced fares when flights are first released.

  • Finding cheap tickets from Lisbon Portela Airport to San Diego is more likely if you're flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares throughout the month and score a great deal.

  • Log into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a cheaper deal on this route. It doesn't take long, and it'll save you time searching for cheap tickets from LIS to San Diego every day.

  • Use the filters to tailor your flights from Lisbon Portela Airport to San Diego. Select your preferred arrival and departure times, number of stops and airlines. Or sort your results by 'Cheapest' to find the best deals.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) to central San Diego is roughly 5 kilometres. It takes around 9 minutes to get to the centre driving.

  • If you're using public transport, expect a journey of around 20 minutes.

  • Reserve a hotel close to SAN if you have a late flight from Lisbon Portela Airport to San Diego. Settle into one of these accommodation options and avoid the hassle of a long transfer:

McClellan-Palomar Airport (CLD)

  • The centre of San Diego is about 56 kilometres from McClellan-Palomar Airport (CLD). As soon as your flight from Lisbon Portela Airport to San Diego has touched down and you've navigated your way to arrivals, the drive should take about 39 minutes.

  • You can expect the trip to take approximately 2 hours and 14 minutes on public transport.

  • After your flight from LIS to San Diego, kick back at a hotel close to CLD. These are some comfortable options that'll help you switch to relaxation mode:

Best time to go to San Diego

  • July is the most popular month to catch a flight from Lisbon Portela Airport to San Diego while May is the quietest. To work out the ideal time to go to San Diego, consider whether you like a lively atmosphere or a quieter vibe.

  • Before booking a flight from Lisbon Portela Airport to San Diego, think about the type of weather you enjoy. August is the warmest month in San Diego, with the temperature ranging from 17ºC to 28ºC.

  • February sees average temperatures of between 7ºC and 23ºC. Look for cheap flights from LIS to San Diego sometime around then if you want to travel in cooler conditions.

More about San Diego

Complete your San Diego trip with a car rental

  • We use the same magic that helped you find your cheap flight from Lisbon Portela Airport to San Diego to track down incredible deals on car rentals. Search for your ride in seconds and compare your options in one place. Plus we give you everything you need to know about car rentals in San Diego, from the most popular car type to the best time to book.

More travel options

Plan the rest of your trip from Lisbon to San Diego

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.