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$517+ Cheap flights from San Jose, CA (SJC) to Porto (OPO)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — OPO
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from San Jose to Porto

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$541
(Delta)

One-way from

$517
(KAYAK)
Provider with most accurate pricing for San Jose-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Porto flights.
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From San Jose to Porto
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One-way flight from San Jose to Porto
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Find flight deals from San Jose to Porto

Cheapest flights from San Jose to Porto
Explore the most affordable flight options available from San Jose to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:50 amSJC - OPO
2 stops16h 40mDelta
Sun 12/711:15 amOPO - SJC
2 stops41h 26mDelta
Deal found 10/26$541
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:37 pmSJC - OPO
2 stops34h 53mDelta
Tue 12/911:15 amOPO - SJC
2 stops41h 26mDelta
Deal found 10/26$542
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:20 amSJC - OPO
2 stops20h 10mDelta
Wed 12/1711:25 amOPO - SJC
2 stops19h 31mDelta
Deal found 10/26$652
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:40 pmSJC - OPO
2 stops27h 00mMultiple Airlines
Wed 12/176:00 amOPO - SJC
3 stops23h 27mMultiple Airlines
Deal found 10/26$823
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:30 pmSJC - OPO
2 stops18h 45mUnited Airlines
Tue 12/96:00 amOPO - SJC
2 stops23h 27mUnited Airlines
Deal found 10/26$890
This Gurufare deal was found by Cheapflights users on 10/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:45 amSJC - OPO
2 stops20h 05mLufthansa
Thu 12/186:00 amOPO - SJC
2 stops23h 16mLufthansa
Deal found 10/27$900
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:40 amSJC - OPO
2 stops21h 45mDelta
Mon 12/86:30 amOPO - SJC
2 stops24h 25mDelta
Deal found 10/26$1,017
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/1112:40 pmSJC - OPO
3 stops42h 05mUnited Airlines
Thu 12/186:00 amOPO - SJC
2 stops24h 34mUnited Airlines
Deal found 10/27$1,046
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:40 pmSJC - OPO
2 stops18h 45mUnited Airlines
Wed 12/176:00 amOPO - SJC
2 stops23h 27mUnited Airlines
Deal found 10/26$1,202
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/118:45 amSJC - OPO
3 stops19h 20mMultiple Airlines
Thu 12/186:00 amOPO - SJC
3 stops23h 16mMultiple Airlines
Deal found 10/27$1,396

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 October 28, 2025.
Use the filters below to find and compare flights from San Jose to Porto that are best for you.

Fly from

San Jose

Fly to

Porto

Route

Depart

Return

Price

San JosePorto

SJC - OPO

SJCOPO

San Jose

Wed 12/3

9:50 am-10:30 am

2 stops16h 40m

Porto

Sun 12/7

11:15 am-8:41 pm

2 stops41h 26m

$541

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 12/1

3:37 pm-10:30 am

2 stops34h 53m

Porto

Mon 12/8

6:30 am-10:55 pm

2 stops24h 25m

$542

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 12/1

3:37 pm-10:30 am

2 stops34h 53m

Porto

Wed 12/10

6:00 am-8:36 pm

2 stops22h 36m

$542

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 12/1

3:37 pm-10:30 am

2 stops34h 53m

Porto

Tue 12/9

11:15 am-8:41 pm

2 stops41h 26m

$542

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 2/3

8:40 am-12:50 pm

3 stops20h 10m

Porto

Sat 2/28

6:00 am-9:12 pm

3 stops23h 12m

$545

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 2/3

2:32 pm-4:05 pm

2 stops41h 33m

Porto

Sat 2/28

7:50 pm-1:22 pm

2 stops49h 32m

$631

San JosePorto

SJC - OPO

SJCOPO

San Jose

Wed 12/10

6:20 am-10:30 am

2 stops20h 10m

Porto

Wed 12/17

11:25 am-10:56 pm

2 stops19h 31m

$652

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 2/3

8:40 am-12:50 pm

2 stops20h 10m

Porto

Sat 2/28

6:00 am-9:11 pm

2 stops23h 11m

$691

San JosePorto

SJC - OPO

SJCOPO

San Jose

Wed 2/25

5:45 am-10:30 am

2 stops20h 45m

Porto

Sun 3/1

5:00 am-4:20 pm

2 stops19h 20m

$691

San JosePorto

SJC - OPO

SJCOPO

San Jose

Wed 4/22

8:25 am-11:20 pm

2 stops30h 55m

Porto

Thu 4/30

6:00 am-9:11 pm

2 stops23h 11m

$736

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 12 results
1
2

Compare providers for flights from San Jose 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 Jose to Porto in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Jose, California-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-Porto flights, Cheapflights users trust eDreams the most. eDreams 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 Jose, California-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 Jose to Porto

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

What is the cheapest month to book a flight from San Jose, California to Porto?

Currently, January is the cheapest month in which you can book a flight from San Jose, California to Porto (average of $535). Flying from San Jose, California to Porto in July is currently the most expensive (average of $805). 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 SJC to OPO?

Find hourly flight availability from San Jose 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 October 28, 2025.

When flying from San Jose, California to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 34% versus a flight in the afternoon.

Related info for your journey

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

  • How long is the flight from San Jose, California to Porto?

    Delta can get you from San Jose, California to Porto in just under 16h 40m. Your travel time can differ by up to . There are 5561 mi between San Jose, California and Porto.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose 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 Jose, California to Porto?

    Currently, January is the cheapest month in which you can book a flight from San Jose, California to Porto (average of $535). Flying from San Jose, California to Porto in July is currently the most expensive (average of $805). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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