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$356+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SAN
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$761
(Ticket)

One-way from

$356
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$970
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. 10% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 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 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 abril 29, 2025.

This Ticket deal was found by Cheapflights users on 4/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/96:55 pmLIS - SAN
1 stop31h 05mBritish Airways
dom. 5/257:50 pmSAN - LIS
1 stop19h 15mBritish Airways
Deal found 4/27$761
This Iberia deal was found by Cheapflights users on 4/28. 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.
vie. 5/911:05 amLIS - SAN
1 stop18h 39mMultiple Airlines
dom. 5/257:50 pmSAN - LIS
1 stop19h 15mMultiple Airlines
Deal found 4/28$772
This eDestinos deal was found by Cheapflights users on 4/28. 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.
vie. 5/166:35 amLIS - SAN
2 stops20h 41mIberia
mar. 9/166:25 amSAN - LIS
1 stop18h 40mIberia
Deal found 4/28$777
This Delta deal was found by Cheapflights users on 4/27. 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.
mar. 10/215:00 amLIS - SAN
1 stop15h 00mDelta
mar. 11/412:35 pmSAN - LIS
2 stops20h 55mDelta
Deal found 4/27$815
This United Airlines deal was found by Cheapflights users on 4/27. 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.
mié. 6/116:15 amLIS - SAN
1 stop17h 10mUnited Airlines
mié. 6/189:30 pmSAN - LIS
1 stop29h 00mUnited Airlines
Deal found 4/27$862
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/115:05 amLIS - SAN
2 stops23h 31mLufthansa
mié. 6/1811:22 amSAN - LIS
2 stops39h 08mLufthansa
Deal found 4/27$959
This SWISS deal was found by Cheapflights users on 4/26. 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.
vie. 5/95:55 amLIS - SAN
2 stops22h 29mSWISS
dom. 5/256:30 amSAN - LIS
2 stops21h 15mSWISS
Deal found 4/26$1,001
This American Airlines deal was found by Cheapflights users on 4/27. 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.
vie. 7/1811:05 amLIS - SAN
2 stops17h 15mAmerican Airlines
vie. 8/110:55 pmSAN - LIS
1 stop26h 10mAmerican Airlines
Deal found 4/27$1,035
This KLM deal was found by Cheapflights users on 4/27. 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.
jue. 7/175:00 amLIS - SAN
1 stop15h 00mKLM
jue. 7/311:55 pmSAN - LIS
1 stop24h 55mKLM
Deal found 4/27$1,042
This Air France deal was found by Cheapflights users on 4/27. 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.
vie. 7/1810:00 amLIS - SAN
1 stop18h 44mAir France
sáb. 8/26:30 amSAN - LIS
1 stop17h 30mAir France
Deal found 4/27$1,050
This Finnair deal was found by Cheapflights users on 4/27. 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.
mar. 7/156:35 amLIS - SAN
2 stops24h 50mFinnair
dom. 8/31:12 pmSAN - LIS
2 stops26h 13mFinnair
Deal found 4/27$1,222
This Air Canada deal was found by Cheapflights users on 4/27. 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.
sáb. 7/199:50 amLIS - SAN
1 stop17h 48mAir Canada
lun. 8/48:10 amSAN - LIS
1 stop17h 10mAir Canada
Deal found 4/27$1,347

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 abril 29, 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

vie. 5/9

6:55 pm-6:00 pm

1 stop31h 05m

San Diego

dom. 5/25

7:50 pm-11:05 pm

1 stop19h 15m

$761

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

vie. 5/9

11:05 am-9:44 pm

1 stop18h 39m

San Diego

dom. 5/25

7:50 pm-11:05 pm

1 stop19h 15m

$772

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

vie. 5/16

6:35 am-7:16 pm

2 stops20h 41m

San Diego

mar. 9/16

6:25 am-9:05 am

1 stop18h 40m

$777

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

mar. 10/21

5:00 am-12:00 pm

1 stop15h 00m

San Diego

mar. 11/4

12:35 pm-5:30 pm

2 stops20h 55m

$815

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

mié. 6/11

6:15 am-3:25 pm

1 stop17h 10m

San Diego

mié. 6/18

9:30 pm-10:30 am

1 stop29h 00m

$862

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

mié. 6/11

5:05 am-8:36 pm

2 stops23h 31m

San Diego

mié. 6/18

11:22 am-10:30 am

2 stops39h 08m

$959

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

vie. 5/9

5:55 am-8:24 pm

2 stops22h 29m

San Diego

dom. 5/25

6:30 am-11:45 am

2 stops21h 15m

$1,001

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

vie. 7/18

11:05 am-8:20 pm

2 stops17h 15m

San Diego

vie. 8/1

10:55 pm-9:05 am

1 stop26h 10m

$1,035

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

jue. 7/17

5:00 am-12:00 pm

1 stop15h 00m

San Diego

jue. 7/31

1:55 pm-10:50 pm

1 stop24h 55m

$1,042

LisbonSan Diego

LIS - SAN

LISSAN

Lisbon Humberto Delgado

vie. 7/18

10:00 am-8:44 pm

1 stop18h 44m

San Diego

sáb. 8/2

6:30 am-8:00 am

1 stop17h 30m

$1,050

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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.

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 abril 29, 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 abril 29, 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
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
1,444 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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 $681. British Airways flights start at $733 while deals on TAP AIR PORTUGAL start at $850 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

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Alternative routes for Portugal to San Diego

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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$710Average$827FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$746Average$944FlexibilityNo cancel feeOn-time69%

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