Portugal

$283+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LIS
ago. 23 — ago. 301
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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 agosto 18, 2025.

Round-trip from

$599
(United)

One-way from

$283
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$808
From San Diego to Portugal
One-way flight from San Diego to Portugal
Highest demand for flights based on searches. 9% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 agosto 18, 2025.

This United deal was found by Cheapflights users on 8/18. 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.
lun. 10/1310:30 pmSAN - LIS
2 stops26h 50mMultiple Airlines
mié. 11/56:10 amLIS - SAN
1 stop17h 35mMultiple Airlines
Deal found 8/18$599
This Ovago deal was found by Cheapflights users on 8/18. 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.
lun. 10/134:40 pmSAN - LIS
1 stop17h 15mBritish Airways
mié. 11/511:15 amLIS - SAN
1 stop18h 24mBritish Airways
Deal found 8/18$600
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
mar. 10/75:15 pmSAN - LIS
1 stop20h 35mLufthansa
mié. 10/296:10 amLIS - SAN
1 stop17h 35mLufthansa
Deal found 8/17$601
This United Airlines deal was found by Cheapflights users on 8/18. 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.
lun. 10/66:30 pmSAN - LIS
2 stops32h 35mUnited Airlines
jue. 10/165:05 amLIS - SAN
2 stops26h 36mUnited Airlines
Deal found 8/18$602
This United Airlines deal was found by Cheapflights users on 8/16. 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.
sáb. 11/1510:00 pmSAN - LIS
2 stops26h 10mUnited Airlines
mié. 12/35:00 amLIS - SAN
2 stops26h 42mUnited Airlines
Deal found 8/16$603
This Air Canada deal was found by Cheapflights users on 8/17. 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.
mar. 10/216:15 amSAN - LIS
2 stops19h 05mAir Canada
lun. 11/35:00 amLIS - SAN
2 stops39h 03mAir Canada
Deal found 8/17$604
This United Airlines deal was found by Cheapflights users on 8/18. 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.
lun. 10/136:15 amSAN - LIS
2 stops20h 50mUnited Airlines
mié. 11/55:00 amLIS - SAN
2 stops23h 48mUnited Airlines
Deal found 8/18$605
This Iberia deal was found by Cheapflights users on 8/17. 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.
lun. 9/227:50 pmSAN - LIS
1 stop19h 20mMultiple Airlines
mié. 10/17:05 pmLIS - SAN
2 stops32h 25mMultiple Airlines
Deal found 8/17$606
This United Airlines deal was found by Cheapflights users on 8/16. 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.
vie. 11/1410:00 pmSAN - LIS
1 stop28h 15mUnited Airlines
lun. 12/111:20 amLIS - SAN
1 stop32h 18mUnited Airlines
Deal found 8/16$607
This FlightHub deal was found by Cheapflights users on 8/17. 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.
sáb. 10/1110:30 pmSAN - LIS
2 stops28h 35mMultiple Airlines
lun. 10/205:55 amLIS - SAN
2 stops24h 49mMultiple Airlines
Deal found 8/17$608
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
mar. 9/234:11 pmSAN - LIS
2 stops23h 09mSWISS
mar. 10/145:55 amLIS - SAN
2 stops24h 49mSWISS
Deal found 8/17$609
This Air Canada deal was found by Cheapflights users on 8/16. 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.
vie. 11/144:10 pmSAN - LIS
2 stops57h 10mAir Canada
mar. 12/211:20 amLIS - SAN
2 stops32h 18mAir Canada
Deal found 8/16$610

Cheapflights Fare Finder

 
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 agosto 18, 2025.
Use the filters below to find and compare flights from San Diego to Portugal that are best for you.

Fly from

San Diego

Fly to

Portugal

Route

Depart

Return

Price

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 10/28

7:00 am-8:10 am

1 stop18h 10m

Lisbon Humberto Delgado

mar. 11/11

6:10 am-3:45 pm

1 stop17h 35m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

lun. 10/13

8:10 am-11:05 am

2 stops18h 55m

Lisbon Humberto Delgado

mar. 10/21

12:55 pm-3:51 pm

2 stops34h 56m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 10/21

6:00 pm-9:20 am

3 stops31h 20m

Lisbon Humberto Delgado

jue. 11/20

6:10 am-3:45 pm

1 stop17h 35m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mié. 11/19

10:18 pm-9:20 am

2 stops27h 02m

Lisbon Humberto Delgado

jue. 11/27

6:10 am-3:45 pm

1 stop17h 35m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 11/18

7:00 am-8:10 am

1 stop17h 10m

Lisbon Humberto Delgado

mar. 11/25

6:10 am-3:45 pm

1 stop17h 35m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

lun. 10/13

10:30 pm-9:20 am

2 stops26h 50m

Lisbon Humberto Delgado

mié. 11/5

6:10 am-3:45 pm

1 stop17h 35m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mié. 11/19

10:30 pm-9:20 am

2 stops26h 50m

Lisbon Humberto Delgado

mar. 12/2

6:10 am-3:45 pm

1 stop17h 35m

$599

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mar. 10/14

4:40 pm-11:00 pm

1 stop22h 20m

Lisbon Humberto Delgado

mié. 11/5

11:15 am-6:53 pm

1 stop15h 38m

$600

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mié. 10/22

8:10 am-9:20 am

1 stop17h 10m

Lisbon Humberto Delgado

lun. 11/3

5:00 am-12:03 pm

2 stops39h 03m

$600

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

mié. 10/15

4:40 pm-5:55 pm

1 stop17h 15m

Lisbon Humberto Delgado

mié. 11/5

11:15 am-6:53 pm

1 stop15h 38m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 40 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.

Cheapflights Insights

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

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 $1,127). 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 agosto 18, 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.

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 agosto 18, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Diego to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

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.
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

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.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

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.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

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.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

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.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

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.

  • How long is the flight from San Diego to Portugal?

    Airlines like Air Canada, United Airlines, and Lufthansa fly from San Diego to Portugal in about 18h 55m. The time it takes to get you to your destination can typically vary by up to 12h 25m. San Diego and Portugal are separated by a distance of 5677 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

  • 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 $1,127). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 10 airlines flying from San Diego to Portugal

Discover the top 10 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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$593Average$675FlexibilityNo cancel feeOn-time72%
IberiaCheapest$598Average$913FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$600Average$1,165FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$601Average$1,059FlexibilityNo cancel feeOn-time76%
DeltaCheapest$605Average$899FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$626Average$805FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$630Average$1,109FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$631Average$868FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$671Average$993FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$693Average$1,103FlexibilityNo cancel feeOn-time71%

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