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$314+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$752
(Delta)

One-way from

$314
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$959
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. 10% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:00 amLIS - SAN
2 stops18h 59mDelta
Tue 7/89:59 amSAN - LIS
2 stops20h 51mDelta
Deal found 6/12$752
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:00 amLIS - SAN
2 stops18h 59mKLM
Tue 7/81:55 pmSAN - LIS
1 stop37h 00mKLM
Deal found 6/12$774
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2311:35 amLIS - SAN
2 stops38h 51mMultiple Airlines
Wed 7/910:11 pmSAN - LIS
1 stop29h 19mMultiple Airlines
Deal found 6/10$858
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:20 amLIS - SAN
2 stops20h 44mBritish Airways
Tue 8/124:40 pmSAN - LIS
1 stop22h 20mBritish Airways
Deal found 6/10$950
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/226:50 pmLIS - SAN
2 stops36h 03mAir France
Tue 7/89:59 amSAN - LIS
2 stops20h 51mAir France
Deal found 6/11$956
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:35 amLIS - SAN
2 stops24h 52mFinnair
Tue 8/121:08 pmSAN - LIS
2 stops25h 52mFinnair
Deal found 6/12$967
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.
Thu 7/2411:05 amLIS - SAN
2 stops18h 42mAmerican Airlines
Mon 8/116:20 amSAN - LIS
1 stop18h 45mAmerican Airlines
Deal found 6/10$976
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.
Mon 7/2110:10 pmLIS - SAN
2 stops33h 17mIberia
Fri 8/87:50 pmSAN - LIS
2 stops38h 35mIberia
Deal found 6/10$1,005
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 7/247:30 amLIS - SAN
2 stops23h 14mUnited Airlines
Fri 8/87:27 pmSAN - LIS
3 stops31h 08mUnited Airlines
Deal found 6/10$1,219
This Air Europa 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/257:40 amLIS - SAN
2 stops24h 02mAir Europa
Wed 8/131:05 pmSAN - LIS
2 stops46h 10mAir Europa
Deal found 6/10$1,232
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/235:55 amLIS - SAN
2 stops44h 40mSWISS
Thu 8/144:00 pmSAN - LIS
2 stops38h 45mSWISS
Deal found 6/10$1,240
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/148:10 pmLIS - SAN
3 stops33h 39mAir Canada
Sun 6/298:10 amSAN - LIS
3 stops21h 55mAir Canada
Deal found 6/11$1,427

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Portugal to San Diego that are best for you.

Fly from

Portugal

Fly to

San Diego

Route

Depart

Return

Price

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 6/23

5:00 am-3:59 pm

2 stops18h 59m

San Diego

Tue 7/8

9:59 am-2:50 pm

2 stops20h 51m

$752

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 6/23

5:00 am-3:59 pm

2 stops18h 59m

San Diego

Tue 7/8

1:55 pm-10:55 am

1 stop37h 00m

$774

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 6/23

11:35 am-6:26 pm

2 stops38h 51m

San Diego

Wed 7/9

10:11 pm-11:30 am

1 stop29h 19m

$858

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 7/24

7:20 am-8:04 pm

2 stops20h 44m

San Diego

Tue 8/12

4:40 pm-11:00 pm

1 stop22h 20m

$950

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Sun 6/22

6:50 pm-10:53 pm

2 stops36h 03m

San Diego

Tue 7/8

9:59 am-2:50 pm

2 stops20h 51m

$956

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 7/24

6:35 am-11:27 pm

2 stops24h 52m

San Diego

Tue 8/12

1:08 pm-11:00 pm

2 stops25h 52m

$967

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 7/24

11:05 am-9:47 pm

2 stops18h 42m

San Diego

Mon 8/11

6:20 am-9:05 am

1 stop18h 45m

$976

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 7/21

10:10 pm-11:27 pm

2 stops33h 17m

San Diego

Fri 8/8

7:50 pm-6:25 pm

2 stops38h 35m

$1,005

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Thu 7/24

7:30 am-10:44 pm

2 stops23h 14m

San Diego

Fri 8/8

7:27 pm-10:35 am

3 stops31h 08m

$1,219

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 7/25

7:40 am-11:42 pm

2 stops24h 02m

San Diego

Wed 8/13

1:05 pm-7:15 pm

2 stops46h 10m

$1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 21 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.

Cheapflights Insights

Everything you need to know about your flight from Portugal to San Diego

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 June 12, 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 June 12, 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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 $613. TAP AIR PORTUGAL flights start at $634 while deals on Icelandair start at $635 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
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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Top 2 airlines flying from Portugal to San Diego

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$715Average$829FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$746Average$944FlexibilityNo cancel feeOn-time69%

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