What are the cheapest airlines flying from Lisbon to San Diego round-trip?

Flying on American Airlines is currently your cheapest option to San Diego, with prices starting at $743. Additional round-trip tickets that might be worth considering are offered by Iberia and British Airways, with the lowest prices starting at $748 and $782, respectively. You may be able to fly from Lisbon to San Diego for 18% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Lisbon to San Diego one-way?

$581 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Air Europa and British Airways, with prices starting from $621 and $697, respectively.

What is the cheapest day to fly from Lisbon to San Diego?

Travelers seeking maximum savings on their Lisbon to San Diego flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Lisbon to San Diego?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 20% on the overall cost on flights from Lisbon to San Diego.

How far in advance should I book a flight from Lisbon to San Diego?

Travelers have found it’s best to book a flight 52 days in advance to save up to 29% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Lisbon to San Diego 1-2 weeks in advance for as low as $840, or $1,033 for flights within the next 24 hours.

What is the cheapest month to fly from Lisbon to San Diego?

October can be a great time to fly to San Diego from Lisbon with a flight ticket averaging about $913. Cheapflights users have found deals in the month of October for as cheap as $698. The most expensive prices can be found in the month of July.

What is the cheapest time of day to fly from LIS to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to San Diego as you normally would.

Most accurate provider : When it comes to deals on Lisbon-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lisbon-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Lisbon to San Diego that include hotel bookings?

Yes. In addition to deals on Lisbon to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lisbon to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to San Diego.

Can I find deals for business class flights from Lisbon to San Diego?

Yes. Cheapflights offers flight deals from Lisbon to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$339+ Flights from Lisbon to San Diego

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Find cheap flights from Lisbon to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to San Diego are usually found in October or November, booked 51 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Lisbon to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$743 (American Airlines)
One-way from	$339 (Mytrip)
Popular in	July
Cheapest in	October
Average price	$837

Provider with most accurate pricing for Lisbon Humberto Delgado-San Diego flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-San Diego flights.

Search Deals

From Lisbon Humberto Delgado to San Diego

Search Deals

One-way flight from Lisbon Humberto Delgado to San Diego

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($119 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Lisbon to San Diego

Cheapest flights from Lisbon to San Diego
Explore the most affordable flight options available from Lisbon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Fri 5/211:05 amLIS - SAN

1 stop19h 02mAmerican Airlines

Sun 5/184:40 pmSAN - LIS

1 stop22h 20mAmerican Airlines

Deal found 3/25

$743

Fri 5/28:25 amLIS - SAN

2 stops23h 31mIberia

Sun 5/186:28 amSAN - LIS

1 stop18h 37mIberia

Deal found 3/25

$748

Fri 5/27:20 amLIS - SAN

2 stops24h 08mBritish Airways

Sun 5/182:49 pmSAN - LIS

2 stops24h 11mBritish Airways

Deal found 3/25

$782

Fri 5/165:05 amLIS - SAN

2 stops21h 46mUnited Airlines

Tue 9/1612:01 pmSAN - LIS

2 stops38h 29mUnited Airlines

Deal found 3/25

$825

Wed 5/76:15 amLIS - SAN

1 stop17h 10mLufthansa

Wed 5/142:30 pmSAN - LIS

2 stops23h 20mLufthansa

Deal found 3/25

$827

Fri 5/25:00 amLIS - SAN

2 stops21h 05mDelta

Sun 5/181:55 pmSAN - LIS

2 stops19h 55mDelta

Deal found 3/25

$828

Wed 5/73:35 pmLIS - SAN

2 stops36h 49mSWISS

Wed 5/144:00 pmSAN - LIS

2 stops47h 20mSWISS

Deal found 3/25

$832

Fri 5/96:35 amLIS - SAN

2 stops23h 18mFinnair

Fri 5/167:50 pmSAN - LIS

1 stop19h 20mFinnair

Deal found 3/25

$871

Fri 5/96:55 pmLIS - SAN

1 stop31h 05mMultiple Airlines

Fri 5/166:28 amSAN - LIS

1 stop18h 37mMultiple Airlines

Deal found 3/25

$896

Fri 5/210:00 amLIS - SAN

2 stops21h 27mVirgin Atlantic

Sun 5/188:00 amSAN - LIS

2 stops18h 45mVirgin Atlantic

Deal found 3/25

$1,022

Sun 5/185:40 amLIS - SAN

2 stops18h 45mAir France

Sun 5/187:35 pmSAN - LIS

2 stops38h 15mAir France

Deal found 3/25

$1,610

Best flights from Lisbon to San Diego
Discover carefully curated flight deals from Lisbon to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Fri 5/211:05 amLIS - SAN

1 stop19h 02mAmerican Airlines

Sun 5/184:40 pmSAN - LIS

1 stop22h 20mAmerican Airlines

Deal found 3/25

$743

Fri 5/28:25 amLIS - SAN

2 stops23h 31mIberia

Sun 5/186:28 amSAN - LIS

1 stop18h 37mIberia

Deal found 3/25

$748

Fri 5/27:20 amLIS - SAN

2 stops24h 08mBritish Airways

Sun 5/182:49 pmSAN - LIS

2 stops24h 11mBritish Airways

Deal found 3/25

$782

Fri 5/165:05 amLIS - SAN

2 stops21h 46mUnited Airlines

Tue 9/1612:01 pmSAN - LIS

2 stops38h 29mUnited Airlines

Deal found 3/25

$825

Wed 5/76:15 amLIS - SAN

1 stop17h 10mLufthansa

Wed 5/142:30 pmSAN - LIS

2 stops23h 20mLufthansa

Deal found 3/25

$827

Fri 5/25:00 amLIS - SAN

2 stops21h 05mDelta

Sun 5/181:55 pmSAN - LIS

2 stops19h 55mDelta

Deal found 3/25

$828

Wed 5/73:35 pmLIS - SAN

2 stops36h 49mSWISS

Wed 5/144:00 pmSAN - LIS

2 stops47h 20mSWISS

Deal found 3/25

$832

Fri 5/96:35 amLIS - SAN

2 stops23h 18mFinnair

Fri 5/167:50 pmSAN - LIS

1 stop19h 20mFinnair

Deal found 3/25

$871

Fri 5/96:55 pmLIS - SAN

1 stop31h 05mMultiple Airlines

Fri 5/166:28 amSAN - LIS

1 stop18h 37mMultiple Airlines

Deal found 3/25

$896

Fri 5/210:00 amLIS - SAN

2 stops21h 27mVirgin Atlantic

Sun 5/188:00 amSAN - LIS

2 stops18h 45mVirgin Atlantic

Deal found 3/25

$1,022

Sun 5/185:40 amLIS - SAN

2 stops18h 45mAir France

Sun 5/187:35 pmSAN - LIS

2 stops38h 15mAir France

Deal found 3/25

$1,610

Last-minute flights from Lisbon to San Diego
Discover last-minute flight deals from Lisbon to San Diego. Data last updated March 26, 2025 and is based on user searches.

Sat 4/512:20 pmLIS - SAN

2 stops29h 04mUnited Airlines

Mon 4/286:15 amSAN - LIS

2 stops18h 05mUnited Airlines

Deal found 3/25

$853

Sat 4/54:25 pmLIS - SAN

1 stop33h 35mMultiple Airlines

Mon 4/287:50 pmSAN - LIS

1 stop19h 20mMultiple Airlines

Deal found 3/25

$1,182

Fri 4/1811:40 amLIS - SAN

2 stops20h 03mDelta

Wed 5/1412:26 pmSAN - LIS

2 stops18h 24mDelta

Deal found 3/25

$884

Fri 4/186:55 pmLIS - SAN

2 stops31h 56mBritish Airways

Wed 5/144:40 pmSAN - LIS

1 stop22h 30mBritish Airways

Deal found 3/25

$895

One-way flights from Lisbon to San Diego
Search for one-way flight options from Lisbon to San Diego. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Wed 5/79:15 pmLIS - SAN

3 stops34h 38mMultiple Airlines

Deal found 3/24

$339

Sun 8/2410:15 pmLIS - SAN

2 stops28h 39mAer Lingus

Deal found 3/24

$581

Mon 5/58:05 pmLIS - SAN

2 stops36h 07mAir Europa

Deal found 3/25

$621

Mon 5/511:05 amLIS - SAN

1 stop18h 39mBritish Airways

Deal found 3/25

$697

Fri 6/1311:05 amLIS - SAN

1 stop18h 11mIberia

Deal found 3/25

$698

Wed 6/116:35 amLIS - SAN

2 stops19h 25mAmerican Airlines

Deal found 3/25

$705

Tue 7/85:00 pmLIS - SAN

1 stop33h 58mTAP AIR PORTUGAL

Deal found 3/25

$895

Sat 4/511:25 amLIS - SAN

2 stops32h 17mUnited Airlines

Deal found 3/25

$919

Sat 7/127:30 pmLIS - SAN

1 stop24h 30mKLM

Deal found 3/24

$987

Wed 6/256:15 amLIS - SAN

1 stop17h 10mLufthansa

Deal found 3/25

$1,538

Sat 7/56:35 amLIS - SAN

2 stops24h 47mFinnair

Deal found 3/25

$2,323

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/2

11:05 am-10:07 pm

1 stop19h 02m

San Diego

Sun 5/18

4:40 pm-11:00 pm

1 stop22h 20m

$743

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/2

8:25 am-11:56 pm

2 stops23h 31m

San Diego

Sun 5/18

6:28 am-9:05 am

1 stop18h 37m

$748

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/2

7:20 am-11:28 pm

2 stops24h 08m

San Diego

Sun 5/18

2:49 pm-11:00 pm

2 stops24h 11m

$782

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/16

5:05 am-6:51 pm

2 stops21h 46m

San Diego

Tue 9/16

12:01 pm-10:30 am

2 stops38h 29m

$825

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/7

6:15 am-3:25 pm

1 stop17h 10m

San Diego

Wed 5/14

2:30 pm-9:50 pm

2 stops23h 20m

$827

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/2

5:00 am-6:05 pm

2 stops21h 05m

San Diego

Sun 5/18

1:55 pm-5:50 pm

2 stops19h 55m

$828

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/7

3:35 pm-8:24 pm

2 stops36h 49m

San Diego

Wed 5/14

4:00 pm-11:20 pm

2 stops47h 20m

$832

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/9

6:35 am-9:53 pm

2 stops23h 18m

San Diego

Fri 5/16

7:50 pm-11:10 pm

1 stop19h 20m

$871

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/9

6:55 pm-6:00 pm

1 stop31h 05m

San Diego

Fri 5/16

6:28 am-9:05 am

1 stop18h 37m

$896

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/2

10:00 am-11:27 pm

2 stops21h 27m

San Diego

Sun 5/18

8:00 am-10:45 am

2 stops18h 45m

$1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 22 results

Compare providers for flights from Lisbon to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to San Diego in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Lisbon-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lisbon-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Lisbon with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to San Diego

How far ahead should I book a flight from Lisbon to San Diego?

To ensure you get the cheapest price possible for a flight from Lisbon to San Diego, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Lisbon to San Diego?

Currently, August is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $286). Flying from Lisbon to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,891 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,318 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,266 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,569 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,423 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Lisbon to San Diego round-trip?
Flying on American Airlines is currently your cheapest option to San Diego, with prices starting at $743. Additional round-trip tickets that might be worth considering are offered by Iberia and British Airways, with the lowest prices starting at $748 and $782, respectively. You may be able to fly from Lisbon to San Diego for 18% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Lisbon to San Diego one-way?
$581 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Air Europa and British Airways, with prices starting from $621 and $697, respectively.
Can I find deals for flights from Lisbon to San Diego that include hotel bookings?
Yes. In addition to deals on Lisbon to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to San Diego.
Can I find deals for business class flights from Lisbon to San Diego?
Yes. Cheapflights offers flight deals from Lisbon to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Lisbon to San Diego?
Currently, August is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $286). Flying from Lisbon to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Lisbon to San Diego

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$710	Average$827	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$746	Average$944	FlexibilityNo cancel fee	On-time69%

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$339+ Cheap flights from Lisbon (LIS) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to San Diego are usually found in October or November, booked 51 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap flight deals from Lisbon to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Lisbon to San Diego

Cheapest flights from Lisbon to San DiegoExplore the most affordable flight options available from Lisbon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from Lisbon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to San Diego that are best for you.

Compare providers for flights from Lisbon to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to San Diego in March.

Best time to book a flight from Lisbon to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Lisbon with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lisbon to San Diego

How far ahead should I book a flight from Lisbon to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to San Diego. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Lisbon to San Diego?

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Related info for your journey

Find useful and relevant information for your journey from Lisbon to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Lisbon to San Diego round-trip?

What are the cheapest airlines to fly from Lisbon to San Diego one-way?

Can I find deals for flights from Lisbon to San Diego that include hotel bookings?

How can I find direct flights from Lisbon to San Diego?

Can I find deals for business class flights from Lisbon to San Diego?

What is the cheapest month to book a flight from Lisbon to San Diego?

Traveling to a place near Lisbon?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lisbon to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Lisbon to San Diego

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Cheapest flights from Lisbon to San Diego
Explore the most affordable flight options available from Lisbon to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.