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$778+ Cheap flights from San Diego (SAN) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OPO
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from San Diego to Porto

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Porto (OPO). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$778
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$1,285
Provider with most accurate pricing for San Diego-Porto flight deals.
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Provider most trusted by Cheapflights users for San Diego-Porto flights.
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From San Diego to Porto
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from San Diego to Porto

Cheapest flights from San Diego to Porto
Explore the most affordable flight options available from San Diego to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This KAYAK deal was found by Cheapflights users on 12/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:59 amSAN - OPO
2 stops40h 16mSWISS
Sun 1/127:25 pmOPO - SAN
2 stops35h 05mSWISS
Deal found 12/18$1,697
This KAYAK deal was found by Cheapflights users on 12/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:59 amSAN - OPO
2 stops22h 46mMultiple Airlines
Sun 1/121:45 pmOPO - SAN
1 stop33h 40mMultiple Airlines
Deal found 12/18$1,701
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:06 amSAN - OPO
2 stops21h 04mLufthansa
Sun 1/121:45 pmOPO - SAN
1 stop33h 40mLufthansa
Deal found 12/17$1,717
This United deal was found by Cheapflights users on 12/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:15 amSAN - OPO
3 stops24h 55mUnited Airlines
Sun 1/126:00 amOPO - SAN
2 stops38h 03mUnited Airlines
Deal found 12/17$1,726

Find flights from San Diego to Porto within your budget

Customize your flight search to find flights from San Diego to Porto 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 December 18, 2024.

Fly from

Any airport

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Route

Depart

Return

Price

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 3/5

10:58 am-11:10 am

2 stops40h 12m

Porto

Fri 3/14

11:55 am-10:59 pm

2 stops42h 04m

$778

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sat 1/18

6:15 am-3:00 pm

3 stops24h 45m

Porto

Sat 1/25

6:40 pm-10:18 pm

3 stops35h 38m

$806

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 3/5

5:20 pm-11:35 pm

1 stop22h 15m

Porto

Fri 3/14

6:05 am-4:25 pm

1 stop17h 20m

$840

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Wed 3/5

7:09 am-3:15 pm

3 stops24h 06m

Porto

Fri 3/14

12:30 pm-10:25 pm

2 stops40h 55m

$866

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sun 2/2

6:10 pm-9:55 am

1 stop31h 45m

Porto

Sat 2/15

8:20 am-8:04 pm

2 stops19h 44m

$955

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sat 1/18

7:09 am-1:15 pm

1 stop22h 06m

Porto

Sat 1/25

12:05 pm-10:11 am

2 stops30h 06m

$1,387

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Fri 6/6

8:10 am-9:45 am

1 stop17h 35m

Porto

Fri 6/13

6:15 am-9:49 pm

2 stops23h 34m

$1,660

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Sun 12/29

10:59 am-11:15 am

2 stops40h 16m

Porto

Sun 1/12

7:25 pm-10:30 pm

2 stops35h 05m

$1,697

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Thu 3/20

11:35 am-10:25 pm

2 stops27h 50m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from San Diego to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Porto in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Porto

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

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

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Porto (average of $523). Flying from San Diego to Porto in June is currently the most expensive (average of $1,000). 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 OPO?

Find hourly flight availability from San Diego to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

It’s optimal to fly from San Diego to Porto in the afternoon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated December 18, 2024.
SWISS
7.6
Good
1,606 reviews

Overall

7.6

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 10

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

SWISS
7.6
Good
1,606 reviews
SWISS
7.6
Good
1,606 reviews

Overall

7.6

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 10

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

United Airlines
7.4
Good
9,059 reviews
SWISS
7.6
Good
1,606 reviews

Overall

7.6

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 10

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Scandinavian Airlines
7.3
Good
1,309 reviews
SWISS
7.6
Good
1,606 reviews

Overall

7.6

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 10

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

TAP AIR PORTUGAL
7.1
Good
1,877 reviews
SWISS
7.6
Good
1,606 reviews

Overall

7.6

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 10

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Air Canada
7.0
Good
8,382 reviews
SWISS
7.6
Good
1,606 reviews

Overall

7.6

Boarding

7.7

Crew

8.2

Food

7.1

Comfort

7.4

Entertainment

6.8

Reviews

1 / 10

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from San Diego to Porto round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Porto, with prices starting at $778. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $840 and $866, respectively. You may be able to fly from San Diego to Porto for 29% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Porto (average of $523). Flying from San Diego to Porto in June is currently the most expensive (average of $1,000). 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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Top 4 airlines flying from San Diego to Porto

Discover the top 4 airlines that operate flights from San Diego to Porto. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$547Average$1,034FlexibilityNo cancel feeOn-time76%
DeltaCheapest$712Average$1,038FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$732Average$940FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$794Average$1,186FlexibilityNo cancel feeOn-time69%
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