Lisbon

$431+ Cheap flights from San Diego (SAN) to Lisbon (LIS)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Jun 19 — Jun 261
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Cheap flight deals from San Diego to Lisbon

Cheapest flights from San Diego to Lisbon
Explore the most affordable flight options available from San Diego to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.

This Lufthansa deal was found by Cheapflights users on 5/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:15 pm
SAN
-
LIS
1 stop21h 30m
Lufthansa
Fri 9/116:15 am
LIS
-
SAN
1 stop17h 10m
Lufthansa
Deal found 5/19$670
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm
SAN
-
LIS
1 stop19h 45m
British Airways
Thu 11/1211:05 am
LIS
-
SAN
1 stop15h 48m
British Airways
Deal found 5/20$744
This Iberia deal was found by Cheapflights users on 5/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm
SAN
-
LIS
1 stop19h 45m
Multiple Airlines
Thu 11/126:30 am
LIS
-
SAN
2 stops21h 48m
Multiple Airlines
Deal found 5/20$752
This SWISS deal was found by Cheapflights users on 5/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:56 pm
SAN
-
LIS
2 stops23h 29m
SWISS
Mon 9/215:55 am
LIS
-
SAN
2 stops24h 15m
SWISS
Deal found 5/15$755
This SWISS deal was found by Cheapflights users on 5/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:56 pm
SAN
-
LIS
2 stops23h 29m
SWISS
Wed 10/75:55 am
LIS
-
SAN
2 stops24h 47m
SWISS
Deal found 5/15$760
This Finnair deal was found by Cheapflights users on 5/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 pm
SAN
-
LIS
2 stops37h 25m
Finnair
Mon 11/164:10 pm
LIS
-
SAN
2 stops36h 08m
Finnair
Deal found 5/18$763
This British Airways deal was found by Cheapflights users on 5/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 pm
SAN
-
LIS
1 stop16h 55m
British Airways
Thu 11/197:00 am
LIS
-
SAN
1 stop17h 10m
British Airways
Deal found 5/19$768
This American Airlines deal was found by Cheapflights users on 5/16. 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.
Wed 11/117:21 am
SAN
-
LIS
2 stops17h 44m
American Airlines
Wed 11/1811:05 am
LIS
-
SAN
2 stops18h 47m
American Airlines
Deal found 5/16$771
This Delta deal was found by Cheapflights users on 5/18. 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 12/97:00 am
SAN
-
LIS
1 stop17h 00m
Delta
Tue 12/225:00 am
LIS
-
SAN
1 stop15h 10m
Delta
Deal found 5/18$776

Find flight deals from San Diego to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Lisbon (LIS). 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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$670
(Lufthansa)

One-way from

$431
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$762
Provider with most accurate pricing for San Diego-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for San Diego-Lisbon Humberto Delgado flights.
From San Diego to Lisbon Humberto Delgado
One-way flight from San Diego to Lisbon Humberto Delgado
Highest demand for flights based on searches. 13% potential increase in price ($122 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Lisbon 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 May 20, 2026.
Use the filters below to find and compare flights from San Diego to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 8/18

6:15 am-11:15 am

2 stops21h 00m

Lisbon Humberto Delgado

Wed 8/26

5:00 am-7:22 pm

2 stops22h 22m

$888

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 7/26

5:15 pm-10:45 pm

1 stop21h 30m

Lisbon Humberto Delgado

Thu 8/27

6:15 am-3:25 pm

1 stop17h 10m

$903

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 7/13

6:40 am-8:20 am

1 stop17h 40m

Lisbon Humberto Delgado

Thu 7/23

6:15 am-3:25 pm

1 stop17h 10m

$938

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 7/11

9:59 pm-10:30 am

1 stop28h 31m

Lisbon Humberto Delgado

Fri 7/24

12:20 pm-9:02 am

2 stops28h 42m

$944

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 7/26

5:15 pm-10:45 pm

1 stop21h 30m

Lisbon Humberto Delgado

Sat 8/29

6:15 am-3:25 pm

1 stop17h 10m

$963

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 8/9

10:25 pm-9:20 am

2 stops26h 55m

Lisbon Humberto Delgado

Sat 8/22

11:25 am-5:00 pm

2 stops37h 35m

$964

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 7/29

8:45 am-1:40 pm

2 stops20h 55m

Lisbon Humberto Delgado

Sun 8/9

1:00 pm-7:51 pm

2 stops38h 51m

$1,021

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Thu 7/9

12:57 pm-10:30 am

1 stop13h 33m

Lisbon Humberto Delgado

Fri 7/17

12:20 pm-9:02 am

2 stops28h 42m

$1,023

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Thu 7/9

12:57 pm-10:30 am

1 stop13h 33m

Lisbon Humberto Delgado

Wed 7/15

12:20 pm-8:22 am

2 stops28h 02m

$1,023

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 7/20

6:35 am-8:20 am

2 stops17h 45m

Lisbon Humberto Delgado

Wed 7/29

12:20 pm-9:05 am

2 stops28h 45m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 22 resultsSorted by cheapest first
1
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3

Compare providers for flights from San Diego to Lisbon

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 San Diego to Lisbon in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust 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 San Diego-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Lisbon 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 San Diego-Lisbon 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 San Diego to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from San Diego 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 San Diego to Lisbon

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

To ensure you get the cheapest price possible for a flight from San Diego to Lisbon, you should look to book at least 16 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 San Diego to Lisbon?

Currently, February is the cheapest month in which you can book a flight from San Diego to Lisbon (average of $598). Flying from San Diego to Lisbon in June is currently the most expensive (average of $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.

How much does it cost to fly round-trip from San Diego to Lisbon?

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated May 20, 2026.
Get a feel of what it's like to fly with Delta,KLM, andUnited Airlines from San Diego to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Lisbon. 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 San Diego to Lisbon?

    A quick flight from San Diego to Lisbon can take about 21h. Delta provides one of the quickest options available for as low as $888. There are 5677 mi between San Diego and Lisbon. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, KLM ($491), Delta ($495), and Iberia ($506) offers the cheapest pricing from San Diego to Lisbon. KLM is currently priced 35% below the average price you’ll pay for this route.

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

    $359 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from $380 and $408, respectively.

  • Where are the most common layover locations when flying from San Diego to Lisbon?

  • What are some popular things to do or see while on a layover in London?

    Hyde Park, Buckingham Palace, and Piccadilly Circus are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Buckingham Palace, and Piccadilly Circus can be visited by traveling about 12.5 mi, 13.7 mi, and 14.1 mi respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $37 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Washington, D.C.?

    The majority of Washington, D.C. visitors spend their time at National Mall, U.S. Capitol, and National Zoo. Travelers on a layover in Washington, D.C. can visit National Mall, U.S. Capitol, and National Zoo, by traveling 23.3 mi, 24.0 mi, and 21.5 mi, respectively after landing at Washington, D.C. Dulles Intl. Travelers can book a car rental at Washington, D.C. Dulles Intl for about $59 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Diego to Lisbon flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Lisbon 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 San Diego to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Lisbon (average of $598). Flying from San Diego to Lisbon in June is currently the most expensive (average of $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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Ericeira
Oeiras
Beja
Costa da Caparica
Torres Vedras
Nazaré
Colares
Sesimbra

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Top 8 airlines flying from San Diego to Lisbon

Discover the top 8 airlines that operate flights from San Diego to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$491Average$750FlexibilityNo cancel feeOn-time75%
DeltaCheapest$495Average$726FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$506Average$704FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$514Average$797FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$520Average$742FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$520Average$707FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$555Average$1,199FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$580Average$691FlexibilityNo cancel feeOn-time67%

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