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$436+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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Cheap 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 April 26, 2026.

This Expedia deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:45 pm
LIS
-
SAN
2 stops22h 20m
Multiple Airlines
Sun 1/36:00 pm
SAN
-
LIS
1 stop15h 45m
Multiple Airlines
Deal found 4/24$974
This Expedia deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:05 am
LIS
-
SAN
1 stop16h 34m
British Airways
Sun 1/36:00 pm
SAN
-
LIS
1 stop19h 45m
British Airways
Deal found 4/24$987
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:35 pm
LIS
-
SAN
1 stop28h 15m
Multiple Airlines
Thu 10/292:00 pm
SAN
-
LIS
2 stops18h 10m
Multiple Airlines
Deal found 4/25$990
This Priceline deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:05 am
LIS
-
SAN
1 stop18h 34m
Multiple Airlines
Tue 1/56:00 pm
SAN
-
LIS
1 stop15h 40m
Multiple Airlines
Deal found 4/24$991
This lol.travel deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:25 am
LIS
-
SAN
2 stops21h 21m
Multiple Airlines
Fri 6/56:55 pm
SAN
-
LIS
2 stops32h 10m
Multiple Airlines
Deal found 4/24$992
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am
LIS
-
SAN
1 stop14h 50m
Multiple Airlines
Sat 10/318:00 am
SAN
-
LIS
2 stops18h 00m
Multiple Airlines
Deal found 4/25$993
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:35 pm
LIS
-
SAN
1 stop28h 15m
KLM
Thu 10/293:00 pm
SAN
-
LIS
1 stop16h 35m
KLM
Deal found 4/25$995
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:45 am
LIS
-
SAN
2 stops21h 39m
American Airlines
Tue 11/36:00 pm
SAN
-
LIS
1 stop19h 45m
American Airlines
Deal found 4/25$997
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am
LIS
-
SAN
2 stops20h 29m
United Airlines
Tue 1/510:30 pm
SAN
-
LIS
1 stop25h 40m
United Airlines
Deal found 4/24$1,001
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:00 am
LIS
-
SAN
2 stops20h 29m
United Airlines
Sun 12/612:50 pm
SAN
-
LIS
1 stop13h 25m
United Airlines
Deal found 4/22$1,004

Find flight deals from Lisbon to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$990
(KLM)

One-way from

$436
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$890
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. 15% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 26, 2026.
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

Cheapest round-trip

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 5/21

5:00 am-11:50 am

1 stop14h 50m

San Diego

Thu 5/28

1:37 pm-5:50 pm

2 stops20h 13m

$1,004

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 5/21

5:00 am-11:50 am

1 stop14h 50m

San Diego

Fri 6/5

6:15 am-8:00 am

2 stops17h 45m

$1,005

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/20

5:00 am-6:07 pm

2 stops21h 07m

San Diego

Sat 5/30

7:15 am-11:15 am

2 stops20h 00m

$1,006

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 5/21

5:05 am-10:44 pm

2 stops25h 39m

San Diego

Thu 5/28

9:26 am-1:40 pm

2 stops20h 14m

$1,007

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 5/14

5:00 am-11:50 am

1 stop14h 50m

San Diego

Sat 5/30

1:37 pm-5:50 pm

2 stops20h 13m

$1,007
Quickest round-trip

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 5/21

5:00 am-11:50 am

1 stop14h 50m

San Diego

Fri 6/5

7:30 am-8:00 am

1 stop16h 30m

$1,010
Cheapest one-way

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sat 5/30

9:15 pm-9:33 am

3 stops44h 18m

$525

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sat 5/30

6:10 am-2:10 pm

2 stops40h 00m

$618

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sun 7/26

10:20 pm-9:10 am

2 stops42h 50m

$758

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 6/22

6:35 am-11:48 pm

2 stops25h 13m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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

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

Currently, January is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $777). Flying from Lisbon to San Diego in March is currently the most expensive (average of $1,568). 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.

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.

  • How long is the flight from Lisbon to San Diego?

    Departing from Lisbon to San Diego will take you 14h 50m. Lisbon and San Diego are separated by a distance of 5677 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $564 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $640 and $824, 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, January is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $777). Flying from Lisbon to San Diego in March is currently the most expensive (average of $1,568). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
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Poway
Julian
Lemon Grove

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