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$449+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
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 December 10, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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 12/245:00 amLIS - SAN
2 stops25h 51mUnited Airlines
Fri 2/610:40 pmSAN - LIS
2 stops26h 15mUnited Airlines
Deal found 12/8$902
This American Airlines deal was found by Cheapflights users on 12/8. 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 12/2411:05 amLIS - SAN
2 stops17h 57mAmerican Airlines
Fri 2/66:00 pmSAN - LIS
1 stop20h 25mAmerican Airlines
Deal found 12/8$914
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/2211:55 amLIS - SAN
1 stop16h 57mUnited Airlines
Wed 2/45:35 pmSAN - LIS
1 stop21h 55mUnited Airlines
Deal found 12/10$926
This Finnair deal was found by Cheapflights users on 12/8. 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.
Wed 12/2411:05 amLIS - SAN
1 stop15h 48mMultiple Airlines
Fri 2/69:24 amSAN - LIS
1 stop15h 26mMultiple Airlines
Deal found 12/8$952
This British Airways deal was found by Cheapflights users on 12/8. 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 12/228:20 amLIS - SAN
2 stops21h 25mMultiple Airlines
Wed 12/319:23 amSAN - LIS
1 stop13h 32mMultiple Airlines
Deal found 12/8$3,223
This British Airways deal was found by Cheapflights users on 12/8. 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 12/2211:05 amLIS - SAN
1 stop15h 48mBritish Airways
Wed 12/319:23 amSAN - LIS
1 stop13h 32mBritish Airways
Deal found 12/8$3,225
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Mon 12/228:20 amLIS - SAN
2 stops19h 39mAmerican Airlines
Wed 12/316:15 amSAN - LIS
2 stops16h 40mAmerican Airlines
Deal found 12/8$3,237
This Thrive Travel deal was found by Cheapflights users on 12/10. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:40 pmLIS - SAN
2 stops34h 22mMultiple Airlines
Wed 12/316:20 amSAN - LIS
1 stop16h 35mMultiple Airlines
Deal found 12/10$3,783

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 December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$787
(Rumbo)

One-way from

$449
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$946
Provider with most accurate pricing for Lisbon Humberto Delgado-San Diego flight deals.
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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. 5% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 10, 2025.
Use the filters below to find and compare flights from Lisbon to San Diego that are best for you.

Fly from

Lisbon

Fly to

San Diego

Route

Depart

Return

Price

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 1/22

1:00 pm-12:05 am

2 stops43h 05m

San Diego

Thu 1/29

2:55 pm-8:55 am

2 stops34h 00m

$787

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 1/16

6:55 am-12:05 am

2 stops25h 10m

San Diego

Thu 1/29

2:55 pm-8:55 am

2 stops34h 00m

$787

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/19

4:55 pm-10:47 pm

2 stops37h 52m

San Diego

Mon 6/8

10:00 am-3:45 pm

2 stops45h 45m

$838

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/12

5:00 am-4:40 pm

2 stops19h 40m

San Diego

Mon 1/26

7:05 am-11:20 am

2 stops20h 15m

$861

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 1/30

5:00 am-6:00 pm

2 stops21h 00m

San Diego

Sun 2/15

3:15 pm-5:30 pm

2 stops18h 15m

$862

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 1/23

5:00 am-10:31 pm

2 stops25h 31m

San Diego

Fri 1/30

7:05 am-11:20 am

2 stops20h 15m

$862

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/12

5:00 am-8:50 pm

2 stops23h 50m

San Diego

Sun 1/25

11:43 am-3:10 pm

2 stops19h 27m

$862

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/12

5:00 am-4:40 pm

2 stops19h 40m

San Diego

Sun 1/25

7:05 am-8:00 am

1 stop16h 55m

$866

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 1/30

5:00 am-6:00 pm

2 stops21h 00m

San Diego

Sun 2/15

10:15 pm-8:00 am

1 stop25h 45m

$866

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 1/12

10:00 am-12:05 am

1 stop22h 05m

San Diego

Mon 1/26

7:05 am-8:00 am

1 stop16h 55m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 19 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-San Diego flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, February is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $701). Flying from Lisbon to San Diego in July is currently the most expensive (average of $985). 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.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated December 10, 2025.
Peruse reviews from past customers who have flown with United Airlines and British Airways from Lisbon to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,573 reviews
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 19h 40m. 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 flying from Lisbon to San Diego round-trip?

    Flying on British Airways is currently your cheapest option to San Diego, with prices starting at $710. Another option worth looking into is United Airlines, starting at $746 round trip. You may be able to fly from Lisbon to San Diego for 23% less than the average price by searching for these airlines.

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

    $596 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 Iberia, with prices starting from $642 and $683, 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, February is the cheapest month in which you can book a flight from Lisbon to San Diego (average of $701). Flying from Lisbon to San Diego in July is currently the most expensive (average of $985). 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
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lisbon to San Diego

Discover the top 2 airlines that operate flights from Lisbon to San Diego. 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$710Average$872FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$746Average$944FlexibilityNo cancel feeOn-time69%

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