Cheap flights from Lisbon to San Diego

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Flight deals from Lisbon to San Diego

Looking for a cheap last-minute deal or the best round-trip flight from Lisbon to San Diego? Find the lowest prices on one-way and round-trip tickets right here.

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 April.

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 found$732
Cheapest month to flyApril

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 round-trip flight from Lisbon to San Diego is $732. 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 $732.
There are no flights flying from Lisbon to San Diego, as of February 2026.
The cheapest month to fly from Lisbon to San Diego is usually April.
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 center of San Diego. We've found flights to this airport from $732.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Lisbon Airport to San Diego on Friday, April 10, 2026.
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 February, the average temperature is usually around 13°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, Wizz Air Malta 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 seven hours behind Lisbon, where Lisbon Portela Airport is located.

  • For a relaxed start to your LIS to San Diego flight, leave plenty of time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Longer lines at check-in and security are more likely if you're traveling during high season, so allow some extra breathing space. A good rule for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • Consider adding a stopover to potentially find a cheaper flight ticket from LIS to San Diego. Just deselect 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these airports:

    • London Heathrow Airport (LHR)

    • Newark Liberty International Airport (EWR)

    • Logan International Airport (BOS)

  • Located around 6 kilometers from central Lisbon, LIS can be reached in about 20 minutes by car. Traveling on public transport will take roughly 1 hour.

  • Booked an early flight from Lisbon Portela Airport to San Diego? Avoid rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels close to LIS:

  • 64.1% of flights departing from Lisbon Portela Airport land at their destination on time.

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

  • The best price we've seen for a one-way Lisbon Portela Airport to San Diego flight is $316. The cheapest price for a return flight is $732. Remember fares can change due to availability at the time of booking.

  • Booking in advance is often the key to securing a cheap flight from LIS to San Diego. Flight prices rise as demand increases, so the closer your departure date, the more you'll likely spend.

  • The 'Whole month' search tool will show you the cheapest tickets from Lisbon Portela Airport to San Diego across the month. It's a good way to find a bargain if your dates are flexible.

  • Never miss a deal on cheap flights from LIS to San Diego by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Lisbon Portela Airport to San Diego.

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kilometers from the center of San Diego. If you're getting a cab or a ride-share, the drive takes about 10 minutes.

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

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Lisbon Portela Airport to San Diego. Stay at one of these accommodation options near SAN instead:

  • Grab a San Diego International Airport rental car and explore San Diego and beyond with your own wheels. Thrifty, Dollar and Budget are well-known companies to choose from here.

  • To get the best deal, reserve your vehicle from San Diego International Airport about two weeks ahead of your flight from LIS to San Diego.

  • The address for SAN is N Harbor Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 56 kilometers from central San Diego. Once you've disembarked your flight from Lisbon Portela Airport to San Diego, it'll take you around 40 minutes to get to the heart of the city in a cab or ride-share.

  • You can expect the trip to take about 2 hours 15 minutes on public transport.

  • Hang up the 'Do not disturb' sign and unwind at a hotel near CLD. Here are a few options where you can tuck yourself in after your LIS to San Diego flight:

  • Forget about public transport schedules or waiting in a long cab line. Pick up a McClellan-Palomar Airport rental car and blaze your own trail. Compare rates and availability from Budget, Hertz and Avis.

  • Avoid filling out paperwork at the rental desk by completing your booking beforehand. Reserve your ride from CLD ahead of time so you can just grab the keys and be on your way.

Best time to go to San Diego

  • Plan your trip to San Diego during the high season if you want a bustling atmosphere, but remember that hotel prices are usually higher. Alternatively, book your flights from Lisbon Portela Airport to San Diego in the off-season when prices are cheaper and it's quieter.

  • The warmest month in San Diego is August, with temperatures ranging between 17ºC (63ºF) and 28ºC (82ºF). Lock in your Lisbon Portela Airport to San Diego flight ticket then if that's the weather you find most pleasant.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from LIS to San Diego in February when temperatures average between 7ºC (45ºF) and 23ºC (73ºF).

More about San Diego

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in San Diego right here. Check out these options as soon as you've locked in your flight from Lisbon Portela Airport to San Diego:

  • There are so many things to explore in this city it can be difficult to know where to start. USS Midway Museum, San Diego Zoo and SeaWorld San Diego are top sights which should be on any good San Diego itinerary.

Explore more of United States

  • Los Angeles is just one of the many cities in United States waiting to be explored after you've seen San Diego. Around 177 kilometers away to the north-west, top sights here include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're ready to explore another corner of United States, head for Phoenix, about 483 kilometers east of San Diego. Desert Botanical Garden, Heard Museum and Papago Park are key reasons to visit.

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