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$488+ Cheap flights from Portugal 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Portugal to San Diego

Keep the following information in mind while searching for Portugal to San Diego flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(Iberia)

One-way from

$488
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$837
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.
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From Portugal to San Diego
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One-way flight from Portugal to San Diego
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Highest demand for flights based on searches. 16% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portugal to San Diego

Cheapest flights from Portugal to San Diego
Explore the most affordable flight options available from Portugal to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This lol.travel deal was found by Cheapflights users on 2/20. 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.
Thu 2/2710:40 amLIS - SAN
1 stop37h 25mMultiple Airlines
Wed 3/127:10 pmSAN - LIS
1 stop19h 40mMultiple Airlines
Deal found 2/20$712
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 2/2710:55 amLIS - SAN
2 stops19h 38mAmerican Airlines
Wed 3/1210:37 pmSAN - LIS
2 stops27h 28mAmerican Airlines
Deal found 2/20$726
This eDestinos deal was found by Cheapflights users on 2/20. 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.
Fri 5/1612:30 pmLIS - SAN
2 stops19h 14mIberia
Tue 9/166:25 amSAN - LIS
1 stop18h 40mIberia
Deal found 2/20$733
This Delta deal was found by Cheapflights users on 2/20. 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.
Wed 5/75:40 amLIS - SAN
2 stops21h 55mDelta
Thu 5/293:21 pmSAN - LIS
2 stops18h 29mDelta
Deal found 2/20$775
This United Airlines deal was found by Cheapflights users on 2/20. 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 5/165:05 amLIS - SAN
2 stops25h 10mUnited Airlines
Tue 9/167:10 amSAN - LIS
2 stops19h 20mUnited Airlines
Deal found 2/20$798
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/244:30 pmLIS - SAN
2 stops33h 02mFinnair
Fri 8/292:51 pmSAN - LIS
2 stops24h 19mFinnair
Deal found 2/20$875
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
Sun 8/246:50 pmLIS - SAN
2 stops30h 42mBritish Airways
Fri 8/294:40 pmSAN - LIS
1 stop17h 25mBritish Airways
Deal found 2/20$915
This Air Canada deal was found by Cheapflights users on 2/20. 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 6/1811:25 amLIS - SAN
1 stop16h 13mAir Canada
Wed 6/255:00 pmSAN - LIS
2 stops32h 20mAir Canada
Deal found 2/20$1,014
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
Mon 6/306:15 pmLIS - SAN
2 stops38h 00mLufthansa
Tue 7/85:15 pmSAN - LIS
1 stop20h 35mLufthansa
Deal found 2/20$1,152
This Aeromexico deal was found by Cheapflights users on 2/20. 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.
Sun 5/185:40 amLIS - SAN
2 stops18h 29mAir France
Sun 5/186:50 pmSAN - LIS
2 stops36h 00mAir France
Deal found 2/20$1,454
This KLM deal was found by Cheapflights users on 2/20. 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 5/185:00 amLIS - SAN
1 stop15h 00mKLM
Sun 5/185:10 pmSAN - LIS
2 stops17h 30mKLM
Deal found 2/20$1,494

Find flights from Portugal to San Diego within your budget

Customize your flight search to find flights from Portugal 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 February 20, 2025.

Fly from

Portugal

Fly to

San Diego

Route

Depart

Return

Price

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 3/6

6:30 am-9:16 pm

2 stops22h 46m

San Diego

Wed 3/19

7:10 pm-9:50 pm

1 stop19h 40m

$716

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 3/6

10:55 am-9:16 pm

2 stops18h 21m

San Diego

Wed 3/19

6:18 am-8:55 am

2 stops19h 37m

$727

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/16

12:30 pm-11:44 pm

2 stops19h 14m

San Diego

Tue 9/16

6:25 am-9:05 am

1 stop18h 40m

$733

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/7

5:40 am-7:35 pm

2 stops21h 55m

San Diego

Thu 5/29

3:21 pm-5:50 pm

2 stops18h 29m

$775

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/16

5:05 am-10:15 pm

2 stops25h 10m

San Diego

Tue 9/16

7:10 am-10:30 am

2 stops19h 20m

$798

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 6/18

11:25 am-7:38 pm

1 stop16h 13m

San Diego

Wed 6/25

5:00 pm-9:20 am

2 stops32h 20m

$1,014

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 6/30

6:15 pm-12:15 am

2 stops38h 00m

San Diego

Tue 7/8

5:15 pm-9:50 pm

1 stop20h 35m

$1,152

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sun 5/18

5:40 am-4:09 pm

2 stops18h 29m

San Diego

Sun 5/18

6:50 pm-2:50 pm

2 stops36h 00m

$1,454

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sun 5/18

5:00 am-12:00 pm

1 stop15h 00m

San Diego

Sun 5/18

5:10 pm-6:40 pm

2 stops17h 30m

$1,494

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sun 5/25

6:35 am-11:31 pm

2 stops24h 56m

San Diego

Fri 7/18

10:43 am-3:35 pm

2 stops20h 52m

$3,551

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 22 results
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Best time to book a flight from Portugal to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Portugal 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.

Travel insights for flights from Portugal to San Diego

Get recent, data-driven insights about flights from Portugal to San Diego including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Portugal to San Diego?

Currently, August is the cheapest month in which you can book a flight from Portugal to San Diego (average of $286). Flying from Portugal to San Diego in March is currently the most expensive (average of $366). 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 PT to SAN?

Find hourly flight availability from Portugal to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Portugal to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Portugal to San Diego by reading reviews from past customers. 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
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Portugal to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Portugal?

    If you book a flight to San Diego from Portugal, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

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

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $575. Air Europa flights start at $612 while deals on Finnair start at $671 one-way.

  • Can I find deals for flights from Portugal to San Diego that include hotel bookings?

    Yes. In addition to deals on Portugal to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to San Diego.

  • Can I find deals for business class flights from Portugal to San Diego?

    Yes. Cheapflights offers flight deals from Portugal 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 Portugal to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Portugal to San Diego (average of $286). Flying from Portugal to San Diego in March is currently the most expensive (average of $366). 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 Portugal?

Book flights to Portugal if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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Alternative routes for Portugal to San Diego

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Top 3 airlines flying from Portugal to San Diego

Discover the top 3 airlines that operate flights from Portugal 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$704Average$891FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$710Average$829FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$746Average$820FlexibilityNo cancel feeOn-time69%
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