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Portugal

$300+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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Cheap flight deals from San Diego to Portugal

Keep the following information in mind while searching for San Diego to Portugal flight deals. Data was last updated March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$617
(United Airlines)

One-way from

$300
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$814
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. 2% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 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 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 March 8, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 3/7$615
This Finnair deal was found by Cheapflights users on 3/7. 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.
Wed 11/266:10 pmSAN - LIS
1 stop19h 40mMultiple Airlines
Wed 12/311:15 amLIS - SAN
2 stops17h 04mMultiple Airlines
Deal found 3/7$634
This United deal was found by Cheapflights users on 3/7. 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 11/266:30 amSAN - LIS
2 stops17h 40mUnited Airlines
Wed 12/310:15 amLIS - SAN
2 stops19h 32mUnited Airlines
Deal found 3/7$645
This SWISS deal was found by Cheapflights users on 3/6. 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.
Tue 10/284:04 pmSAN - OPO
2 stops19h 36mSWISS
Tue 11/117:30 pmOPO - SAN
2 stops33h 45mSWISS
Deal found 3/6$651
This FlightHub deal was found by Cheapflights users on 3/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:50 amSAN - OPO
2 stops40h 25mMultiple Airlines
Tue 11/111:45 pmOPO - SAN
1 stop33h 40mMultiple Airlines
Deal found 3/6$655
This United deal was found by Cheapflights users on 3/6. 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.
Tue 10/288:00 amSAN - OPO
3 stops24h 15mUnited Airlines
Tue 11/1112:30 pmOPO - SAN
2 stops29h 41mUnited Airlines
Deal found 3/6$659
This Air Canada deal was found by Cheapflights users on 3/7. 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 9/177:00 amSAN - OPO
2 stops18h 30mAir Canada
Tue 9/3012:15 pmOPO - SAN
2 stops32h 23mAir Canada
Deal found 3/7$677
This Gotogate deal was found by Cheapflights users on 3/7. 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 3/1811:10 amSAN - LIS
2 stops20h 25mSWISS
Tue 3/2512:35 pmLIS - SAN
2 stops41h 24mSWISS
Deal found 3/7$698
This Travelocity deal was found by Cheapflights users on 3/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/246:20 pmSAN - LIS
1 stop22h 10mLufthansa
Tue 4/16:15 amLIS - SAN
1 stop17h 10mLufthansa
Deal found 3/7$701
This KLM deal was found by Cheapflights users on 3/7. 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.
Mon 3/107:50 amSAN - LIS
2 stops19h 45mKLM
Tue 3/255:00 amLIS - SAN
2 stops20h 06mKLM
Deal found 3/7$703
This Delta deal was found by Cheapflights users on 3/7. 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.
Sun 9/211:55 pmSAN - OPO
1 stop36h 45mDelta
Wed 10/19:15 pmOPO - SAN
1 stop22h 45mDelta
Deal found 3/7$715
This Travelocity deal was found by Cheapflights users on 3/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/292:48 pmSAN - LIS
2 stops19h 17mBritish Airways
Mon 4/75:05 pmLIS - SAN
2 stops30h 53mBritish Airways
Deal found 3/7$720

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 March 8, 2025.

Fly from

San Diego

Fly to

Portugal

Route

Depart

Return

Price

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sun 3/30

8:15 am-9:45 am

1 stop17h 30m

Porto

Mon 4/14

6:15 am-3:25 pm

1 stop17h 10m

$664

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 3/29

10:30 pm-8:20 am

1 stop25h 50m

Lisbon Humberto Delgado

Mon 4/7

4:20 pm-5:51 pm

2 stops33h 31m

$670

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 3/24

6:20 pm-11:30 pm

1 stop22h 10m

Lisbon Humberto Delgado

Tue 4/1

11:25 am-1:56 pm

2 stops34h 31m

$684

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sat 3/29

6:04 pm-3:40 pm

2 stops37h 36m

Porto

Mon 4/7

12:10 pm-5:15 pm

2 stops37h 05m

$684

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 3/18

11:10 am-2:35 pm

2 stops20h 25m

Lisbon Humberto Delgado

Tue 3/25

12:35 pm-10:59 pm

2 stops41h 24m

$698

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 3/24

6:20 pm-11:30 pm

1 stop22h 10m

Lisbon Humberto Delgado

Tue 4/1

6:15 am-3:25 pm

1 stop17h 10m

$701

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 3/29

2:48 pm-5:05 pm

2 stops19h 17m

Lisbon Humberto Delgado

Mon 4/7

5:05 pm-3:58 pm

2 stops30h 53m

$720

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 4/23

5:15 pm-11:20 pm

1 stop22h 05m

Porto

Sun 4/27

6:15 am-3:25 pm

1 stop17h 10m

$762

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 5/13

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

Wed 5/21

5:05 am-4:09 pm

2 stops19h 04m

$789

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 4/21

3:28 pm-11:25 pm

2 stops23h 57m

Lisbon Humberto Delgado

Mon 4/28

8:45 pm-7:27 pm

2 stops30h 42m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 41 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 $1,224). 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 March 8, 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 March 8, 2025.
To help decide which airline to fly from San Diego to Portugal, see what other customers have to say about Delta, KLM and Air Transat. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,024 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

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
8,024 reviews
Delta
8.0
Very good
8,024 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

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
1,322 reviews
Delta
8.0
Very good
8,024 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

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.

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,024 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

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
1,566 reviews
Delta
8.0
Very good
8,024 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

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
8,649 reviews
Delta
8.0
Very good
8,024 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

8.0

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 Air Transat, which is currently one of the cheapest options available, starting at $477. British Airways flights start at $510 while deals on United Airlines start at $513 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 - Ponta Delgada Nordela 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 $1,224). 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.

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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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$500Average$1,011FlexibilityNo cancel feeOn-time71%
KLMCheapest$536Average$876FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$540Average$1,028FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$547Average$1,037FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$547Average$1,180FlexibilityNo cancel feeOn-time77%
DeltaCheapest$586Average$972FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$598Average$839FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$655Average$1,208FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$776Average$1,169FlexibilityNo cancel feeOn-time67%
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