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$347+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
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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 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$646
(lol.travel)

One-way from

$347
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$957
Provider with most accurate pricing for San Diego-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for San Diego-Lisbon Humberto Delgado flights.
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From San Diego to Lisbon Humberto Delgado
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One-way flight from San Diego to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 2% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 16, 2025.

This lol.travel deal was found by Cheapflights users on 4/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:15 pmSAN - LIS
1 stop20h 35mLufthansa
Sun 5/186:15 amLIS - SAN
1 stop17h 10mLufthansa
Deal found 4/15$646
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:15 amSAN - LIS
2 stops27h 35mDelta
Sun 5/185:40 amLIS - SAN
2 stops35h 41mDelta
Deal found 4/15$677
This Air France deal was found by Cheapflights users on 4/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:59 pmSAN - LIS
2 stops17h 56mMultiple Airlines
Sat 10/117:30 pmLIS - SAN
1 stop24h 30mMultiple Airlines
Deal found 4/15$704
This United deal was found by Cheapflights users on 4/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:11 pmSAN - LIS
3 stops33h 09mUnited Airlines
Sat 10/1112:50 pmLIS - SAN
2 stops39h 01mUnited Airlines
Deal found 4/15$707
This Virgin Atlantic deal was found by Cheapflights users on 4/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:00 amSAN - LIS
1 stop17h 00mVirgin Atlantic
Fri 10/310:00 amLIS - SAN
2 stops20h 49mVirgin Atlantic
Deal found 4/15$730
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Wed 9/1712:45 pmSAN - LIS
2 stops36h 35mAir Canada
Wed 10/111:25 amLIS - SAN
2 stops37h 59mAir Canada
Deal found 4/14$734
This KLM deal was found by Cheapflights users on 4/14. 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 5/131:55 pmSAN - LIS
1 stop37h 00mKLM
Wed 5/217:30 pmLIS - SAN
1 stop24h 30mKLM
Deal found 4/14$735
This SWISS deal was found by Cheapflights users on 4/14. 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.
Tue 9/231:58 pmSAN - LIS
2 stops25h 22mSWISS
Tue 10/146:10 pmLIS - SAN
2 stops32h 10mSWISS
Deal found 4/14$737
This Aeromexico deal was found by Cheapflights users on 4/15. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:35 pmSAN - LIS
1 stop35h 25mAir France
Sun 10/125:40 amLIS - SAN
2 stops21h 16mAir France
Deal found 4/15$761
This British Airways deal was found by Cheapflights users on 4/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:10 pmSAN - LIS
1 stop19h 35mBritish Airways
Wed 1/76:35 pmLIS - SAN
1 stop29h 30mBritish Airways
Deal found 4/15$773
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:26 amSAN - LIS
1 stop15h 39mIberia
Fri 9/511:05 amLIS - SAN
1 stop18h 12mIberia
Deal found 4/15$935
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:39 pmSAN - LIS
2 stops28h 06mAer Lingus
Tue 5/2010:15 pmLIS - SAN
2 stops28h 57mAer Lingus
Deal found 4/15$1,025

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 16, 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 5/2

5:15 pm-9:50 pm

1 stop20h 35m

Lisbon Humberto Delgado

Sun 5/18

6:15 am-3:25 pm

1 stop17h 10m

$646

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 5/2

6:15 am-5:50 pm

2 stops27h 35m

Lisbon Humberto Delgado

Sun 5/18

5:40 am-9:21 am

2 stops35h 41m

$677

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 5/13

1:55 pm-10:55 am

1 stop37h 00m

Lisbon Humberto Delgado

Wed 5/21

7:30 pm-12:00 pm

1 stop24h 30m

$735

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 5/9

6:15 am-9:20 pm

3 stops31h 05m

Lisbon Humberto Delgado

Tue 5/20

6:20 am-7:53 pm

3 stops45h 33m

$782

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 4/22

12:45 pm-10:30 am

1 stop13h 45m

Lisbon Humberto Delgado

Wed 5/7

11:25 am-12:58 pm

2 stops33h 33m

$791

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 5/9

4:00 pm-11:20 pm

2 stops23h 20m

Lisbon Humberto Delgado

Mon 5/19

5:55 am-8:24 pm

2 stops22h 29m

$815

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Thu 5/8

12:55 pm-8:45 am

2 stops35h 50m

Lisbon Humberto Delgado

Tue 5/20

11:25 am-11:53 am

2 stops32h 28m

$892

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 4/25

11:51 am-2:50 pm

2 stops18h 59m

Lisbon Humberto Delgado

Thu 5/1

10:00 am-12:12 am

1 stop22h 12m

$934

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 7/1

12:16 pm-6:25 pm

2 stops22h 09m

Lisbon Humberto Delgado

Tue 7/29

6:45 pm-6:37 pm

2 stops31h 52m

$997

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 5/10

10:39 pm-10:45 am

2 stops28h 06m

Lisbon Humberto Delgado

Tue 5/20

10:15 pm-7:12 pm

2 stops28h 57m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 24 results
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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 11, 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 $1,203). 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 16, 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 16, 2025.
See what other customers who have flown with Delta, KLM and Air Transat from San Diego to Lisbon have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,326 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

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, Lufthansa ($646), Delta ($677), and United Airlines ($707) offers the cheapest pricing from San Diego to Lisbon. Lufthansa is currently priced 37% below the average price you’ll pay for this route.

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

    $552 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on SWISS and Scandinavian Airlines, with prices starting from $555 and $560, 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 $50 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 $57 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 $1,203). 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
Costa da Caparica
Nazaré
Evora
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Fátima

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Alternative routes for San Diego to Lisbon

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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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$589Average$1,176FlexibilityNo cancel feeOn-time77%
IberiaCheapest$598Average$869FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$601Average$1,029FlexibilityNo 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$1,119FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$686Average$1,038FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$775Average$1,034FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$791Average$1,096FlexibilityNo cancel feeOn-time67%

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