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$413+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$739
(Iberia)

One-way from

$413
(Kiwi.com)

Popular in

July

Cheapest in

October

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. 11% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Iberia deal was found by Cheapflights users on 3/30. 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 5/126:35 amLIS - SAN
2 stops20h 41mMultiple Airlines
Mon 5/267:50 pmSAN - LIS
1 stop19h 20mMultiple Airlines
Deal found 3/30$739
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/127:15 amLIS - SAN
1 stop15h 35mAmerican Airlines
Mon 5/264:40 pmSAN - LIS
1 stop22h 30mAmerican Airlines
Deal found 3/30$745
This AirNGo deal was found by Cheapflights users on 3/30. 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 5/126:35 amLIS - SAN
2 stops25h 24mBritish Airways
Mon 5/2610:19 amSAN - LIS
2 stops23h 36mBritish Airways
Deal found 3/30$771
This KLM deal was found by Cheapflights users on 3/31. 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.
Wed 5/77:30 pmLIS - SAN
1 stop24h 30mKLM
Thu 5/291:55 pmSAN - LIS
1 stop37h 00mKLM
Deal found 3/31$782
This Delta deal was found by Cheapflights users on 3/31. 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 5/75:00 amLIS - SAN
2 stops21h 02mDelta
Thu 5/291:55 pmSAN - LIS
2 stops19h 55mDelta
Deal found 3/31$786
This United Airlines deal was found by Cheapflights users on 3/31. 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 stops21h 46mUnited Airlines
Tue 9/164:11 pmSAN - LIS
3 stops33h 09mUnited Airlines
Deal found 3/31$826
This Air France deal was found by Cheapflights users on 3/31. 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.
Fri 5/1610:00 amLIS - SAN
1 stop21h 53mAir France
Tue 9/167:00 amSAN - LIS
1 stop17h 00mAir France
Deal found 3/31$833
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:15 amLIS - SAN
1 stop17h 10mLufthansa
Sun 5/45:15 pmSAN - LIS
1 stop20h 35mLufthansa
Deal found 3/31$836
This Virgin Atlantic deal was found by Cheapflights users on 3/31. 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.
Tue 4/110:00 amLIS - SAN
1 stop18h 16mVirgin Atlantic
Mon 4/1410:02 pmSAN - LIS
1 stop25h 58mVirgin Atlantic
Deal found 3/31$949
This Finnair deal was found by Cheapflights users on 3/30. 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.
Fri 5/27:20 amLIS - SAN
2 stops24h 08mFinnair
Sun 5/1810:19 amSAN - LIS
2 stops22h 01mFinnair
Deal found 3/30$1,204
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1710:15 pmLIS - SAN
2 stops33h 07mAer Lingus
Mon 7/146:15 amSAN - LIS
2 stops31h 20mAer Lingus
Deal found 3/30$2,819
This SWISS deal was found by Cheapflights users on 3/30. 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.
Mon 6/163:35 pmLIS - SAN
2 stops38h 39mSWISS
Tue 7/156:30 amSAN - LIS
2 stops32h 50mSWISS
Deal found 3/30$3,668

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 March 31, 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 5/12

6:35 am-7:16 pm

2 stops20h 41m

San Diego

Mon 5/26

7:50 pm-11:10 pm

1 stop19h 20m

$739

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 5/12

7:15 am-2:50 pm

1 stop15h 35m

San Diego

Mon 5/26

4:40 pm-11:10 pm

1 stop22h 30m

$745

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 5/12

6:35 am-11:59 pm

2 stops25h 24m

San Diego

Mon 5/26

10:19 am-5:55 pm

2 stops23h 36m

$771

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/7

7:30 pm-12:00 pm

1 stop24h 30m

San Diego

Thu 5/29

1:55 pm-10:55 am

1 stop37h 00m

$782

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Wed 5/7

5:00 am-6:02 pm

2 stops21h 02m

San Diego

Thu 5/29

1:55 pm-5:50 pm

2 stops19h 55m

$786

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/16

5:05 am-6:51 pm

2 stops21h 46m

San Diego

Tue 9/16

4:11 pm-9:20 am

3 stops33h 09m

$826

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/16

10:00 am-11:53 pm

1 stop21h 53m

San Diego

Tue 9/16

7:00 am-8:00 am

1 stop17h 00m

$833

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Mon 4/28

6:15 am-3:25 pm

1 stop17h 10m

San Diego

Sun 5/4

5:15 pm-9:50 pm

1 stop20h 35m

$836

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Fri 5/2

7:20 am-11:28 pm

2 stops24h 08m

San Diego

Sun 5/18

10:19 am-4:20 pm

2 stops22h 01m

$1,204

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

Tue 6/17

10:15 pm-11:22 pm

2 stops33h 07m

San Diego

Mon 7/14

6:15 am-9:35 pm

2 stops31h 20m

$2,819

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 24 results
1
2
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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 March 31, 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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

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 Air Europa, which is currently one of the cheapest options available, starting at $615. Aer Lingus flights start at $647 while deals on British Airways start at $696 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$710Average$827FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$746Average$944FlexibilityNo cancel feeOn-time69%
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