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$328+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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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 August 2, 2026.

This eDestinos deal was found by Cheapflights users on 8/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:15 pm
SAN
-
LIS
1 stop35h 45m
Virgin Atlantic
Sun 11/1511:15 am
LIS
-
SAN
2 stops20h 38m
Virgin Atlantic
Deal found 8/1$712
This Expedia deal was found by Cheapflights users on 7/30. 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.
Wed 11/185:35 pm
SAN
-
LIS
1 stop21h 55m
Lufthansa
Wed 11/256:00 am
LIS
-
SAN
1 stop17h 45m
Lufthansa
Deal found 7/30$725
This Expedia deal was found by Cheapflights users on 7/30. 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.
Wed 11/186:45 am
SAN
-
LIS
2 stops16h 10m
Multiple Airlines
Wed 11/256:00 am
LIS
-
SAN
1 stop17h 45m
Multiple Airlines
Deal found 7/30$726
This Expedia deal was found by Cheapflights users on 8/2. 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.
Wed 10/216:20 am
SAN
-
LIS
1 stop18h 45m
Iberia
Mon 11/28:45 pm
LIS
-
SAN
2 stops21h 33m
Iberia
Deal found 8/2$736
This Expedia deal was found by Cheapflights users on 7/30. 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.
Wed 11/1810:12 am
SAN
-
LIS
2 stops21h 53m
Iberia
Wed 11/258:45 pm
LIS
-
SAN
2 stops21h 39m
Iberia
Deal found 7/30$742
This Delta deal was found by Cheapflights users on 7/30. 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 11/177:29 am
SAN
-
LIS
1 stop16h 31m
Delta
Mon 11/2311:30 am
LIS
-
SAN
1 stop32h 40m
Delta
Deal found 7/30$744
This oojo deal was found by Cheapflights users on 8/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:35 pm
SAN
-
LIS
1 stop21h 55m
Lufthansa
Wed 11/186:00 am
LIS
-
SAN
1 stop17h 45m
Lufthansa
Deal found 8/2$745
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/256:35 am
SAN
-
LIS
1 stop17h 35m
United Airlines
Fri 12/411:20 am
LIS
-
SAN
3 stops39h 17m
United Airlines
Deal found 7/29$746
This Delta deal was found by Cheapflights users on 7/29. 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.
Sun 11/19:42 am
SAN
-
LIS
2 stops21h 28m
Delta
Thu 11/125:00 am
LIS
-
SAN
1 stop15h 10m
Delta
Deal found 7/29$748
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/116:45 am
SAN
-
LIS
3 stops19h 35m
United Airlines
Wed 11/186:00 am
LIS
-
SAN
1 stop17h 45m
United Airlines
Deal found 7/29$750
This Iberia deal was found by Cheapflights users on 7/30. 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.
Tue 10/277:00 pm
SAN
-
LIS
1 stop15h 40m
Multiple Airlines
Mon 11/28:45 pm
LIS
-
SAN
2 stops19h 41m
Multiple Airlines
Deal found 7/30$751

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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$712
(eDestinos)

One-way from

$328
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,052
Provider with most accurate pricing for San Diego-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Lisbon Humberto Delgado flights.
Search Deals
From San Diego to Lisbon Humberto Delgado
Search Deals
One-way flight from San Diego to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($171 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 2, 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

Mon 10/19

7:20 am-8:00 am

1 stop16h 40m

Lisbon Humberto Delgado

Fri 10/30

5:00 am-8:35 pm

2 stops22h 35m

$785
Quickest round-trip

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 1/8

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Tue 1/19

5:00 am-12:10 pm

1 stop15h 10m

$794

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 12/27

9:42 pm-8:10 am

1 stop26h 28m

Lisbon Humberto Delgado

Thu 1/7

10:15 am-10:38 pm

1 stop20h 23m

$802

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 9/30

7:30 am-2:55 pm

2 stops23h 25m

Lisbon Humberto Delgado

Thu 10/15

5:00 am-11:50 am

1 stop14h 50m

$810

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 12/7

7:00 am-10:40 am

2 stops19h 40m

Lisbon Humberto Delgado

Thu 12/10

5:00 am-8:45 pm

2 stops23h 45m

$818

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 9/21

7:41 pm-9:20 am

3 stops29h 39m

Lisbon Humberto Delgado

Tue 9/29

6:45 am-8:29 pm

2 stops21h 44m

$818

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 9/21

3:00 pm-5:50 pm

2 stops18h 50m

Lisbon Humberto Delgado

Mon 10/5

5:00 am-7:13 pm

2 stops22h 13m

$879

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Thu 9/24

7:40 pm-10:05 am

1 stop30h 25m

Lisbon Humberto Delgado

Mon 10/19

6:45 pm-2:55 pm

1 stop28h 10m

$912

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 8/26

6:20 am-10:30 am

2 stops20h 10m

Lisbon Humberto Delgado

Wed 9/2

11:25 am-11:15 am

2 stops31h 50m

$942

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 9/7

10:55 am-5:50 pm

2 stops22h 55m

Lisbon Humberto Delgado

Fri 10/2

5:00 am-6:35 pm

2 stops21h 35m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
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 August.
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
JustAirTicketPrice Accuracy-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 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 August is currently the most expensive (average of $1,052). 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?

Airfare is below average for this route at the moment.

San Diego to Lisbon flights typically cost between $743 and $1,292 in October.
The cheapest round-trip price found within the last 5 days was $712 on Virgin Atlantic (Oct 31-Nov 15).

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 August 2, 2026.
Get a feel of what it's like to fly with KLM,Delta, 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.
KLM
7.8
Good
1,552 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Delta
7.8
Good
8,493 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
10,062 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,172 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,136 reviews
KLM
7.8
Good
1,552 reviews

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 18h 50m. Finnair provides one of the quickest options available for as low as $879. 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), Lufthansa ($491), and American Airlines ($505) offers the cheapest pricing from San Diego to Lisbon. KLM is currently priced 39% below the average price you’ll pay for this route.

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

    $345 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 Air Canada and United Airlines, with prices starting from $359 and $398, respectively.

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

    Most of the time, San Diego to Lisbon flights that have layovers will stop in London.

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

    Hyde Park, Trafalgar Square, and Buckingham Palace are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Trafalgar Square, and Buckingham Palace can be visited by traveling about 12.5 mi, 14.3 mi, and 13.7 mi respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $36 per day to make their sightseeing more efficient.

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

    The least popular layover on flights from San Diego to Lisbon is Philadelphia.

  • 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 August is currently the most expensive (average of $1,052). 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
Torres Vedras
Nazaré
Colares
Sesimbra

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Top 6 airlines flying from San Diego to Lisbon

Discover the top 6 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$491Average$958FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$491Average$707FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$1,063FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$507Average$891FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$520Average$791FlexibilityNo cancel feeOn-time70%
DeltaCheapest$552Average$831FlexibilityNo cancel feeOn-timeN/A

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