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$310+ Cheap flights from San Diego (SAN) to Portugal

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from San Diego to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Portugal (PT0). 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$611
(Cheapflightsfares)

One-way from

$354
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$771
Provider with most accurate pricing for San Diego-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for San Diego-Lisbon Humberto Delgado flights.
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From San Diego to Portugal
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One-way flight from San Diego to Portugal
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Highest demand for flights based on searches. 3% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from San Diego to Portugal

Cheapest flights from San Diego to Portugal
Explore the most affordable flight options available from San Diego to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/511:10 amSAN - OPO
2 stops17h 40mLufthansa
Fri 3/146:30 amOPO - SAN
1 stop16h 55mLufthansa
Deal found 1/28$611
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/247:30 pmSAN - OPO
2 stops33h 10mAir Canada
Mon 3/316:00 amOPO - SAN
2 stops37h 48mAir Canada
Deal found 1/28$613
This CheapOair deal was found by Cheapflights users on 1/29. 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 3/511:45 amSAN - OPO
2 stops43h 25mMultiple Airlines
Fri 3/146:30 amOPO - SAN
1 stop16h 55mMultiple Airlines
Deal found 1/29$619
This United deal was found by Cheapflights users on 1/28. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:15 amSAN - OPO
2 stops25h 00mUnited Airlines
Fri 3/1412:30 pmOPO - SAN
2 stops28h 15mUnited Airlines
Deal found 1/28$634
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 3/258:10 amSAN - LIS
1 stop19h 05mUnited Airlines
Tue 4/111:25 amLIS - SAN
2 stops34h 31mUnited Airlines
Deal found 1/29$637
This Gotogate deal was found by Cheapflights users on 1/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:00 amSAN - LIS
2 stops19h 20mMultiple Airlines
Mon 3/312:25 pmLIS - SAN
1 stop33h 00mMultiple Airlines
Deal found 1/30$658
This Booking.com deal was found by Cheapflights users on 1/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/257:10 pmSAN - LIS
1 stop19h 35mBritish Airways
Mon 3/315:05 pmLIS - SAN
1 stop29h 45mBritish Airways
Deal found 1/30$670
This Ovago deal was found by Cheapflights users on 1/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2610:58 amSAN - LIS
2 stops26h 37mScandinavian Airlines
Wed 3/197:00 pmLIS - SAN
2 stops33h 25mScandinavian Airlines
Deal found 1/30$681
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/27:00 amSAN - LIS
2 stops18h 20mAir Canada
Fri 4/1811:25 amLIS - SAN
2 stops34h 31mAir Canada
Deal found 1/30$733
This Ovago deal was found by Cheapflights users on 1/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:15 amSAN - OPO
2 stops44h 55mScandinavian Airlines
Fri 3/1411:55 amOPO - SAN
2 stops40h 30mScandinavian Airlines
Deal found 1/30$769
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:55 pmSAN - PDL
1 stop33h 45mMultiple Airlines
Sat 5/176:15 pmPDL - SAN
2 stops26h 05mMultiple Airlines
Deal found 1/30$791
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:53 amSAN - LIS
1 stop13h 02mIberia
Wed 12/311:15 amLIS - SAN
1 stop18h 27mIberia
Deal found 1/30$795

Find flights from San Diego to Portugal within your budget

Customize your flight search to find flights from San Diego to Portugal 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/25

8:10 am-10:15 am

1 stop19h 05m

Lisbon Humberto Delgado

Wed 4/2

11:25 am-1:56 pm

2 stops34h 31m

$637

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/25

7:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Mon 3/31

2:25 pm-3:25 pm

1 stop33h 00m

$658

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Wed 2/26

6:30 am-9:35 pm

2 stops31h 05m

Lisbon Humberto Delgado

Wed 3/19

7:00 pm-9:25 pm

2 stops33h 25m

$659

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/25

7:10 pm-9:45 pm

1 stop19h 35m

Lisbon Humberto Delgado

Mon 3/31

5:05 pm-2:50 pm

1 stop29h 45m

$670

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/25

7:00 am-9:20 am

2 stops19h 20m

Lisbon Humberto Delgado

Sun 3/30

11:25 am-9:24 am

2 stops53h 59m

$684

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 3/15

6:20 pm-11:30 pm

1 stop22h 10m

Lisbon Humberto Delgado

Sun 5/11

6:15 am-3:25 pm

1 stop17h 10m

$694

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 3/5

6:15 am-11:10 am

2 stops44h 55m

Porto

Fri 3/14

11:55 am-9:25 pm

2 stops40h 30m

$769

San DiegoPonta Delgada

SAN - PDL

SANPDL

San Diego

Mon 5/12

1:55 pm-6:40 am

1 stop33h 45m

Ponta Delgada Nordela

Sat 5/17

6:15 pm-1:20 pm

2 stops26h 05m

$791

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 3/3

6:15 am-9:05 am

1 stop18h 50m

Lisbon Humberto Delgado

Thu 3/13

10:55 am-9:37 pm

1 stop17h 42m

$812

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sat 3/29

12:55 pm-5:30 pm

2 stops45h 35m

Porto

Mon 4/7

7:20 pm-11:48 am

2 stops48h 28m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 43 results
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Best time to book a flight from San Diego to Portugal

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

Travel insights for flights from San Diego to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Portugal (average of $612). Flying from San Diego to Portugal in June is currently the most expensive (average of $1,244). 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 PT?

Find hourly flight availability from San Diego to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

When flying from San Diego to Portugal, 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 Portugal by month

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

In terms of precipitation, rainfall in Portugal 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 Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated January 30, 2025.
To help decide which airline to fly from San Diego to Portugal, see what other customers have to say about Delta, KLM and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

SWISS
7.5
Good
1,584 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

United Airlines
7.4
Good
8,906 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

Scandinavian Airlines
7.3
Good
1,315 reviews
Delta
8.0
Very good
8,450 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 Portugal. 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 from for flights from San Diego to Portugal?

    If you book a flight to Portugal from San Diego, you will be flying from 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 San Diego to Portugal one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $504. Air Canada flights start at $507 while deals on United Airlines start at $536 one-way.

  • What are the most popular routes from San Diego to Portugal?

    When deciding which route to take from San Diego to Portugal consider San Diego - Lisbon Humberto Delgado, San Diego - Porto or San Diego - Faro as they are the most popular.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Portugal (average of $612). Flying from San Diego to Portugal in June is currently the most expensive (average of $1,244). 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

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Alternative routes for San Diego to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from San Diego to Portugal

Discover the top 9 airlines that operate flights from San Diego to Portugal. 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$500Average$991FlexibilityNo cancel feeOn-time71%
KLMCheapest$536Average$882FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$543Average$960FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$547Average$1,015FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$547Average$1,258FlexibilityNo cancel feeOn-time77%
IberiaCheapest$598Average$832FlexibilityNo cancel feeOn-time77%
DeltaCheapest$629Average$1,020FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$662Average$1,259FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$780Average$1,168FlexibilityNo cancel feeOn-time67%
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