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$359+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This KLM deal was found by Cheapflights users on 3/9. 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.
Fri 4/37:45 pm
LIS
-
SAN
1 stop24h 05m
Multiple Airlines
Fri 4/176:30 pm
SAN
-
LIS
1 stop19h 55m
Multiple Airlines
Deal found 3/9$855
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:00 am
LIS
-
SAN
2 stops23h 42m
Delta
Thu 5/73:15 pm
SAN
-
LIS
2 stops18h 35m
Delta
Deal found 3/9$860
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:00 am
LIS
-
SAN
2 stops24h 07m
Delta
Thu 4/1611:40 am
SAN
-
LIS
2 stops22h 10m
Delta
Deal found 3/5$861
This KLM deal was found by Cheapflights users on 3/5. 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 4/305:00 am
LIS
-
SAN
1 stop14h 50m
KLM
Thu 5/71:40 pm
SAN
-
LIS
1 stop16h 55m
KLM
Deal found 3/5$862
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:00 am
LIS
-
SAN
2 stops24h 07m
Delta
Sat 4/181:40 pm
SAN
-
LIS
1 stop16h 55m
Delta
Deal found 3/7$865
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:30 am
LIS
-
SAN
2 stops22h 15m
Delta
Tue 3/311:40 pm
SAN
-
LIS
1 stop16h 55m
Delta
Deal found 3/6$872
This KLM deal was found by Cheapflights users on 3/5. 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 4/2911:55 am
LIS
-
SAN
1 stop31h 55m
KLM
Thu 5/211:40 pm
SAN
-
LIS
1 stop37h 15m
KLM
Deal found 3/5$875
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:45 pm
LIS
-
SAN
1 stop15h 51m
Delta
Sat 5/301:37 pm
SAN
-
LIS
2 stops20h 13m
Delta
Deal found 3/9$878
This KLM deal was found by Cheapflights users on 3/6. 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.
Tue 3/245:00 am
LIS
-
SAN
1 stop15h 05m
KLM
Tue 3/311:40 pm
SAN
-
LIS
1 stop25h 10m
KLM
Deal found 3/6$881

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$855
(KLM)

One-way from

$359
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$3,947
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. 39% potential increase in price ($794 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 25% potential price decrease ($249 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Wed 5/20

5:00 am-8:36 pm

2 stops23h 36m

San Diego

Sat 5/30

1:37 pm-5:50 pm

2 stops20h 13m

$860

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/1

7:45 pm-11:50 am

1 stop24h 05m

San Diego

Thu 5/7

1:40 pm-6:45 pm

1 stop21h 05m

$860

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/1

5:00 am-5:34 pm

2 stops20h 34m

San Diego

Thu 5/7

11:01 am-5:50 pm

2 stops22h 49m

$860

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 4/3

5:00 am-9:07 pm

2 stops24h 07m

San Diego

Sat 4/18

1:40 pm-2:35 pm

1 stop16h 55m

$865

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 4/3

5:00 am-8:45 pm

2 stops23h 45m

San Diego

Thu 4/16

1:40 pm-6:45 pm

1 stop21h 05m

$866
Quickest round-trip

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 4/20

12:45 pm-9:13 pm

1 stop16h 28m

San Diego

Mon 4/27

6:25 am-11:15 am

2 stops20h 50m

$879

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/20

10:00 am-11:42 pm

1 stop21h 42m

San Diego

Sat 5/30

10:00 pm-8:00 am

1 stop26h 00m

$900

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 4/13

3:35 pm-11:50 am

1 stop28h 15m

San Diego

Tue 4/28

7:15 am-8:00 am

1 stop16h 45m

$911
Cheapest one-way

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 6/4

8:55 pm-6:37 pm

3 stops53h 42m

$378
Quickest one-way

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 6/4

11:05 am-6:35 pm

1 stop15h 30m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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.
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, August is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $746). Flying from Lisbon to San Diego in March is currently the most expensive (average of $1,993). 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 23h 36m. 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?

    $568 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 $796, 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 $746). Flying from Lisbon to San Diego in March is currently the most expensive (average of $1,993). 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
La Mesa
Poway
Julian
Lemon Grove

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