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£415 Cheap Flights from Lisbon (LIS) to San Diego (SAN)

View £415 flight on Wed, 12 May 2027Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to San Diego Intl. Airport (SAN)

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Cheap Flights from Lisbon (LIS) to San Diego (SAN)

Prices were available within the past 7 days and start at £415 for one-way flights and £708 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, 17 Dec - Thu, 31 Dec
LIS
Lisbon
SAN
San Diego
£708 Return, found 6 hours ago
£708
Return
found 6 hours ago
Select Iberia flight, departing Thu, 17 Dec from Lisbon to San Diego, returning Thu, 31 Dec, priced at £708 found 6 hours ago
Iberia
Thu, 15 Oct - Thu, 29 Oct
LIS
Lisbon
SAN
San Diego
£709 Return, found 3 days ago
£709
Return
found 3 days ago
Select Iberia flight, departing Thu, 15 Oct from Lisbon to San Diego, returning Thu, 29 Oct, priced at £709 found 3 days ago
Iberia
Thu, 15 Oct - Thu, 29 Oct
LIS
Lisbon
SAN
San Diego
£711 Return, found 3 days ago
£711
Return
found 3 days ago
Select Iberia flight, departing Thu, 15 Oct from Lisbon to San Diego, returning Thu, 29 Oct, priced at £711 found 3 days ago
Air France
Thu, 15 Oct - Thu, 29 Oct
LIS
Lisbon
SAN
San Diego
£715 Return, found 3 days ago
£715
Return
found 3 days ago
Select Air France flight, departing Thu, 15 Oct from Lisbon to San Diego, returning Thu, 29 Oct, priced at £715 found 3 days ago
Iberia
Thu, 17 Dec - Thu, 31 Dec
LIS
Lisbon
SAN
San Diego
£715 Return, found 6 hours ago
£715
Return
found 6 hours ago
Select Iberia flight, departing Thu, 17 Dec from Lisbon to San Diego, returning Thu, 31 Dec, priced at £715 found 6 hours ago
Air France
Thu, 15 Oct - Thu, 29 Oct
LIS
Lisbon
SAN
San Diego
£717 Return, found 3 days ago
£717
Return
found 3 days ago
Select Air France flight, departing Thu, 15 Oct from Lisbon to San Diego, returning Thu, 29 Oct, priced at £717 found 3 days ago
Iberia
Thu, 15 Oct - Thu, 29 Oct
LIS
Lisbon
SAN
San Diego
£719 Return, found 3 days ago
£719
Return
found 3 days ago
Select Iberia flight, departing Thu, 15 Oct from Lisbon to San Diego, returning Thu, 29 Oct, priced at £719 found 3 days ago
KLM
Thu, 15 Oct - Thu, 29 Oct
LIS
Lisbon
SAN
San Diego
£727 Return, found 3 days ago
£727
Return
found 3 days ago
Select KLM flight, departing Thu, 15 Oct from Lisbon to San Diego, returning Thu, 29 Oct, priced at £727 found 3 days ago
Lufthansa
Thu, 17 Dec - Thu, 31 Dec
LIS
Lisbon
SAN
San Diego
£734 Return, found 6 hours ago
£734
Return
found 6 hours ago
Select Lufthansa flight, departing Thu, 17 Dec from Lisbon to San Diego, returning Thu, 31 Dec, priced at £734 found 6 hours ago
British Airways
Thu, 17 Dec - Thu, 31 Dec
LIS
Lisbon
SAN
San Diego
£744 Return, found 6 hours ago
£744
Return
found 6 hours ago
Select British Airways flight, departing Thu, 17 Dec from Lisbon to San Diego, returning Thu, 31 Dec, priced at £744 found 6 hours ago

Find the cheapest month to fly from Lisbon (LIS) to San Diego (SAN)

April is typically the cheapest month to fly

From £559 - £1,134 per traveller.

Frequently asked questions

How much does a flight from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find one-way and return flights from LIS to SAN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LIS to SAN ticket fares go up or down.
What is the cheapest month to fly from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
The cheapest months to fly from LIS to SAN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
Enter LIS to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
Finnair is one of the cheapest airlines offering connecting return flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.), with prices starting from around £1208 for flights that can be booked for departure within the next year, with a layover in Vantaa (HEL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
There are approximately 49 connecting flights per day from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.). Some common connection points include Adolfo Suarez Madrid-Barajas (MAD), Heathrow (LHR), and Dublin (DUB).
What is the earliest flight from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) typically departs at around 5:00 AM local time. This flight is operated by KLM and Delta. This is a seasonal service, active in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) on a Monday, with around 51 flights available. This gives you a good selection of options for your journey. Major airlines on this route include TAP Portugal, Delta, and British Airways. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) are between 9am and 12pm. Many major carriers, including American Airlines, United and Air Canada, offer flights during this window. Many travellers prefer these times as they allow for a relaxed morning before heading to the airport, and you'll arrive in San Diego with plenty of time to settle in.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
There are no nonstop flights from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.). The journey covers a distance of approximately 9,144 kilometers. If you're looking for flights with one stop, these typically take around 18 hours 30 minutes. Flights with two or more stops will take longer, usually around 21 hours 30 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing, layover times, and factors like wind patterns.
Can you fly business or first class from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
Yes, you can fly business class between Lisbon (LIS) and San Diego, CA (SAN). Airlines that offer business class service on this route include:
  • TAP Portugal
  • Swiss International Air Lines
  • Lufthansa
  • Iberia
  • British Airways
  • Air Canada
  • KLM
  • Icelandair
  • Air Europa
  • United
  • Delta
  • Brussels Airlines
  • SAS
  • American Airlines
How do I earn miles on a Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego, CA (SAN) from Lisbon (LIS)?
If you're planning to travel to San Diego from Humberto Delgado (LIS), you can fly directly into San Diego Intl. (SAN). Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), Heathrow (LHR), or Frankfurt Intl. (FRA) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Lisbon (LIS-Humberto Delgado) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Humberto Delgado
Destination airport
San Diego Intl.
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, British Airways, Brussels Airlines, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Return price
£708
Distance
9090 km

Book with confidence

Compare flights from Lisbon to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Lisbon to San Diego. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Humberto Delgado to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Humberto Delgado (LIS) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Lisbon to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Humberto Delgado to San Diego Intl. start at just £708 and range up to £744.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Lisbon and San Diego
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Lisbon to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Humberto Delgado to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Lisbon to San Diego easily and book with confidence

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*Available to Expedia members.