Lisbon

$321+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$757
(United Airlines)

One-way from

$321
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,278
From San Diego to Lisbon Humberto Delgado
One-way flight from San Diego to Lisbon Humberto Delgado
Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/105:15 pmSAN - LIS
1 stop20h 35mUnited Airlines
Sun 7/206:40 amLIS - SAN
2 stops35h 32mUnited Airlines
Deal found 6/10$757
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Fri 10/317:10 pmSAN - LIS
1 stop20h 15mBritish Airways
Sun 11/97:05 amLIS - SAN
1 stop17h 00mBritish Airways
Deal found 6/11$759
This Air Canada deal was found by Cheapflights users on 6/11. 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 8/218:10 amSAN - LIS
1 stop17h 10mAir Canada
Sat 9/1312:55 pmLIS - SAN
2 stops19h 20mAir Canada
Deal found 6/11$762
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:15 amSAN - LIS
2 stops24h 35mDelta
Thu 7/35:40 amLIS - SAN
2 stops25h 13mDelta
Deal found 6/10$764
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:10 amSAN - LIS
1 stop17h 10mMultiple Airlines
Sat 8/236:15 amLIS - SAN
1 stop17h 10mMultiple Airlines
Deal found 6/12$769
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:48 amSAN - LIS
1 stop18h 17mIberia
Sat 1/310:30 amLIS - SAN
1 stop19h 09mIberia
Deal found 6/10$788
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:35 pmSAN - LIS
2 stops21h 15mLufthansa
Mon 1/52:10 pmLIS - SAN
1 stop33h 35mLufthansa
Deal found 6/10$795
This Finnair deal was found by Cheapflights users on 6/11. 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.
Thu 8/2810:04 amSAN - LIS
2 stops21h 36mFinnair
Sun 9/74:30 pmLIS - SAN
2 stops33h 33mFinnair
Deal found 6/11$869
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/14:24 pmSAN - LIS
2 stops17h 31mAmerican Airlines
Tue 7/2911:05 amLIS - SAN
1 stop16h 58mAmerican Airlines
Deal found 6/10$981

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 June 12, 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

Thu 7/10

5:15 pm-9:50 pm

1 stop20h 35m

Lisbon Humberto Delgado

Sun 7/20

6:40 am-10:12 am

2 stops35h 32m

$757

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 10/31

7:10 pm-10:25 pm

1 stop20h 15m

Lisbon Humberto Delgado

Sun 11/9

7:05 am-4:05 pm

1 stop17h 00m

$759

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Thu 8/21

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

Sat 9/13

12:55 pm-12:15 am

2 stops19h 20m

$762

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 6/24

6:15 am-2:50 pm

2 stops24h 35m

Lisbon Humberto Delgado

Thu 7/3

5:40 am-10:53 pm

2 stops25h 13m

$764

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 8/13

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

Sat 8/23

6:15 am-3:25 pm

1 stop17h 10m

$769

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Thu 8/28

10:04 am-3:40 pm

2 stops21h 36m

Lisbon Humberto Delgado

Sun 9/7

4:30 pm-6:03 pm

2 stops33h 33m

$869

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Fri 8/22

5:15 pm-9:50 pm

1 stop20h 35m

Lisbon Humberto Delgado

Sat 9/13

7:30 am-7:42 pm

2 stops20h 12m

$927

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 7/1

4:24 pm-5:55 pm

2 stops17h 31m

Lisbon Humberto Delgado

Tue 7/29

11:05 am-8:03 pm

1 stop16h 58m

$981

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 8/2

9:56 pm-5:30 am

1 stop23h 34m

$321

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 12/3

7:40 pm-10:15 am

3 stops30h 35m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 20 results
1
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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 June 9, 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 $1,136). 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 June 12, 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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Finnair 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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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.
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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 ($757), British Airways ($759), and Air Canada ($762) offers the cheapest pricing from San Diego to Lisbon. United Airlines is currently priced 24% below the average price you’ll pay for this route.

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

    $442 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Lufthansa, with prices starting from $470 and $481, 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 $44 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Philadelphia?

    The majority of Philadelphia visitors spend their time at Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park. Travelers on a layover in Philadelphia can visit Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park, by traveling 6.1 mi, 5.7 mi, and 4.3 mi, respectively after landing at Philadelphia. Travelers can book a car rental at Philadelphia for about $62 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, 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 $1,136). 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
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Alternative routes for San Diego to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from San Diego to Lisbon

Discover the top 9 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$512Average$953FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$598Average$913FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$601Average$970FlexibilityNo cancel feeOn-time76%
KLMCheapest$626Average$873FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$631Average$990FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$631Average$868FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$647Average$1,106FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$742Average$1,001FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$772Average$1,042FlexibilityNo cancel feeOn-time71%

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