HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$394+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Diego to Lisbon Humberto Delgado are usually found in February or January, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$836
(United Airlines)

One-way from

$394
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$957
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. 2% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 29, 2025.

This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:30 pmSAN - LIS
2 stops26h 50mAir Canada
Sun 11/911:00 amLIS - SAN
2 stops33h 36mAir Canada
Deal found 4/27$763
This Delta deal was found by Cheapflights users on 4/27. 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 11/76:15 amSAN - LIS
2 stops21h 05mDelta
Sun 11/911:25 amLIS - SAN
2 stops20h 56mDelta
Deal found 4/27$769
This British Airways deal was found by Cheapflights users on 4/27. 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.
Fri 11/76:10 pmSAN - LIS
1 stop15h 45mBritish Airways
Sun 11/96:40 pmLIS - SAN
1 stop29h 25mBritish Airways
Deal found 4/27$789
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 8/2910:30 pmSAN - LIS
2 stops28h 35mUnited Airlines
Fri 9/1211:25 amLIS - SAN
2 stops34h 00mUnited Airlines
Deal found 4/28$834
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/158:10 amSAN - LIS
1 stop17h 10mMultiple Airlines
Thu 7/316:15 amLIS - SAN
1 stop17h 10mMultiple Airlines
Deal found 4/28$851
This Iberia deal was found by Cheapflights users on 4/28. 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 8/266:22 amSAN - LIS
1 stop18h 43mIberia
Fri 9/56:35 amLIS - SAN
2 stops20h 44mIberia
Deal found 4/28$860
This American Airlines deal was found by Cheapflights users on 4/28. 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 9/17:50 pmSAN - LIS
1 stop19h 20mAmerican Airlines
Wed 9/1011:05 amLIS - SAN
1 stop15h 04mAmerican Airlines
Deal found 4/28$861
This Finnair deal was found by Cheapflights users on 4/28. 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 7/1610:40 amSAN - LIS
2 stops21h 00mFinnair
Fri 8/17:20 amLIS - SAN
2 stops23h 07mFinnair
Deal found 4/28$898
This WhyPayMore deal was found by Cheapflights users on 4/28. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/66:20 amSAN - LIS
2 stops20h 55mAir France
Sun 7/136:50 pmLIS - SAN
2 stops28h 29mAir France
Deal found 4/28$916
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:15 pmSAN - LIS
1 stop20h 35mLufthansa
Mon 5/262:25 pmLIS - SAN
1 stop33h 00mLufthansa
Deal found 4/28$921
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:39 pmSAN - LIS
2 stops38h 56mAer Lingus
Sun 5/1110:15 pmLIS - SAN
2 stops33h 44mAer Lingus
Deal found 4/28$925
This KLM deal was found by Cheapflights users on 4/28. 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.
Sun 5/181:55 pmSAN - LIS
1 stop37h 00mKLM
Mon 5/263:35 pmLIS - SAN
1 stop28h 25mKLM
Deal found 4/28$953

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 April 29, 2025.
Use the filters below to find and compare flights from San Diego to Lisbon that are best for you.

Fly from

San Diego

Fly to

Lisbon

Route

Depart

Return

Price

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 7/4

10:54 am-11:05 am

2 stops40h 11m

Lisbon Humberto Delgado

Sat 7/26

12:55 pm-11:45 am

1 stop30h 50m

$836

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 7/15

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

Thu 7/31

12:55 pm-4:28 pm

2 stops35h 33m

$841

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 7/15

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

Thu 7/31

6:15 am-3:25 pm

1 stop17h 10m

$851

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 7/16

4:40 pm-3:40 pm

1 stop15h 00m

Lisbon Humberto Delgado

Fri 8/1

11:05 am-8:03 pm

1 stop16h 58m

$862

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 7/26

10:55 pm-9:05 am

1 stop26h 10m

Lisbon Humberto Delgado

Fri 8/8

11:05 am-9:12 pm

1 stop18h 07m

$868

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 7/22

3:26 pm-4:05 pm

2 stops16h 39m

Lisbon Humberto Delgado

Tue 8/5

11:05 am-9:22 pm

1 stop18h 17m

$875

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 7/16

10:40 am-3:40 pm

2 stops21h 00m

Lisbon Humberto Delgado

Fri 8/1

7:20 am-10:27 pm

2 stops23h 07m

$898

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 7/6

6:20 am-11:15 am

2 stops20h 55m

Lisbon Humberto Delgado

Sun 7/13

6:50 pm-3:19 pm

2 stops28h 29m

$916

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 5/19

5:15 pm-9:50 pm

1 stop20h 35m

Lisbon Humberto Delgado

Mon 5/26

2:25 pm-3:25 pm

1 stop33h 00m

$921

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 5/5

10:39 pm-9:35 pm

2 stops38h 56m

Lisbon Humberto Delgado

Sun 5/11

10:15 pm-11:59 pm

2 stops33h 44m

$925

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 24 results
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 San Diego-Lisbon flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Lisbon. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Lisbon, you should look to book at least 75 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, January is the cheapest month in which you can book a flight from San Diego to Lisbon (average of $612). Flying from San Diego to Lisbon in June is currently the most expensive (average of $1,178). 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.

What is the cheapest time of day to fly from SAN to LIS?

Find hourly flight availability from San Diego to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

It’s optimal to fly from San Diego to Lisbon at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from San Diego to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Lisbon flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

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.

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

    According to our current data, United Airlines ($836), Air Canada ($841), and British Airways ($862) offers the cheapest pricing from San Diego to Lisbon. United Airlines is currently priced 19% below the average price you’ll pay for this route.

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

    $526 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 United Airlines and Aer Lingus, with prices starting from $531 and $660, 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. Washington, D.C. sees the second most layovers for non-direct flights flying from San Diego to Lisbon.

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

    Hyde Park, Piccadilly Circus, and Buckingham Palace are the most popular attractions in London if you're in need of something to do during your layover. Hyde Park, Piccadilly Circus, and Buckingham Palace can be visited by traveling about 12.5 mi, 14.1 mi, and 13.7 mi respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $53 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 White House, National Mall, and U.S. Capitol. Travelers on a layover in Washington, D.C. can visit White House, National Mall, and U.S. Capitol, by traveling 22.4 mi, 23.3 mi, and 24.0 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?

    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, January is the cheapest month in which you can book a flight from San Diego to Lisbon (average of $612). Flying from San Diego to Lisbon in June is currently the most expensive (average of $1,178). 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
Sintra
Beja
Nazaré
Costa da Caparica
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Lisbon flights
Los Angeles to Lisbon flights
San Francisco to Porto flights
Los Angeles to Porto flights
San Francisco to Lajes flights
San Jose to Lisbon flights
Sacramento to Lisbon flights
Las Vegas to Lisbon flights
Oakland to Lisbon flights
Ontario to Lisbon flights
San Francisco to Faro flights
Santa Rosa to Lisbon flights
Los Angeles to Faro flights
Ontario to Porto flights
San Diego to Porto flights
San Francisco to Ponta Delgada flights
San Jose to Porto flights
Santa Ana to Porto flights
Sacramento to Porto flights
Los Angeles to Funchal flights
San Francisco to Funchal flights
Los Angeles to Lajes flights
Los Angeles to Ponta Delgada flights
Santa Ana to Lisbon flights
Burbank to Lisbon flights
Burbank to Porto flights
Reno to Lisbon flights
Palm Springs to Lisbon flights
San Jose to Faro flights
Oakland to Porto flights
Ontario to Faro flights
San Francisco to Horta flights
Santa Ana to Faro flights
Las Vegas to Funchal flights
San Jose to Funchal flights
Fresno to Lisbon flights
Las Vegas to Faro flights
Long Beach to Lisbon flights
San Francisco to Velas flights
Ontario to Ponta Delgada flights
San Diego to Faro flights
San Diego to Ponta Delgada flights
Oakland to Faro flights
San Jose to Ponta Delgada flights
Burbank to Faro flights
Los Angeles to Pico Island flights
Long Beach to Faro flights
San Jose to Lajes flights

Top 10 airlines flying from San Diego to Lisbon

Discover the top 10 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$589Average$1,176FlexibilityNo cancel feeOn-time77%
IberiaCheapest$598Average$869FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$601Average$1,021FlexibilityNo cancel feeOn-time76%
KLMCheapest$626Average$908FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$631Average$868FlexibilityNo cancel feeOn-time77%
DeltaCheapest$666Average$989FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$683Average$1,120FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$687Average$1,031FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$775Average$1,008FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$790Average$1,073FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.