HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$346+ Cheap flights from San Jose, CA (SJC) 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LIS
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Jose to Portugal

Keep the following information in mind while searching for San Jose to Portugal flight deals. Data was last updated October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(United Airlines)

One-way from

$346
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$778
Provider with most accurate pricing for San Jose-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Lisbon Humberto Delgado flights.
Search Deals
From San Jose to Portugal
Search Deals
One-way flight from San Jose to Portugal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from San Jose to Portugal

Cheapest flights from San Jose to Portugal
Explore the most affordable flight options available from San Jose to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This United Airlines deal was found by Cheapflights users on 10/18. 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.
Wed 12/319:00 amSJC - LIS
2 stops17h 15mUnited Airlines
Fri 1/306:10 amLIS - SJC
2 stops39h 28mUnited Airlines
Deal found 10/18$491
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/176:40 pmSJC - LIS
3 stops30h 40mUnited Airlines
Tue 11/255:00 amLIS - SJC
2 stops20h 38mUnited Airlines
Deal found 10/19$496
This Delta deal was found by Cheapflights users on 10/19. 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.
Sat 11/155:30 pmSJC - LIS
2 stops30h 30mDelta
Tue 11/255:30 amLIS - SJC
2 stops20h 49mDelta
Deal found 10/19$498
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:25 pmSJC - LIS
2 stops30h 55mAir Canada
Fri 12/1211:20 amLIS - SJC
2 stops34h 12mAir Canada
Deal found 10/18$499
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 12/28:45 amSJC - LIS
2 stops17h 30mUnited Airlines
Thu 12/115:00 amLIS - SJC
2 stops20h 51mUnited Airlines
Deal found 10/18$501
This Finnair deal was found by Cheapflights users on 10/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSJC - LIS
2 stops19h 05mMultiple Airlines
Mon 12/84:10 pmLIS - SJC
2 stops36h 26mMultiple Airlines
Deal found 10/18$504
This Air Canada deal was found by Cheapflights users on 10/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:40 pmSJC - LIS
2 stops54h 40mAir Canada
Fri 12/1211:20 amLIS - SJC
2 stops38h 32mAir Canada
Deal found 10/18$505
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:03 amSJC - LIS
2 stops24h 27mDelta
Tue 11/255:30 amLIS - SJC
2 stops20h 49mDelta
Deal found 10/18$511
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Mon 11/176:40 pmSJC - LIS
3 stops30h 40mUnited Airlines
Wed 11/2611:55 amLIS - SJC
2 stops30h 10mUnited Airlines
Deal found 10/18$515
This Delta deal was found by Cheapflights users on 10/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:03 amSJC - LIS
2 stops37h 57mDelta
Wed 11/2611:25 amLIS - SJC
2 stops38h 56mDelta
Deal found 10/18$516
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/48:45 amSJC - LIS
2 stops17h 30mUnited Airlines
Thu 12/115:00 amLIS - SJC
2 stops24h 27mUnited Airlines
Deal found 10/19$519
This Delta deal was found by Cheapflights users on 10/19. 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 11/1610:25 pmSJC - LIS
2 stops25h 35mDelta
Sun 11/2312:20 pmLIS - SJC
2 stops28h 03mDelta
Deal found 10/19$521

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 October 20, 2025.
Use the filters below to find and compare flights from San Jose to Portugal that are best for you.

Fly from

San Jose

Fly to

Portugal

Route

Depart

Return

Price

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 11/17

6:40 pm-9:20 am

3 stops30h 40m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-5:38 pm

2 stops20h 38m

$496

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Sat 11/15

6:00 pm-8:00 am

2 stops30h 00m

Lisbon Humberto Delgado

Wed 11/26

5:30 am-7:22 pm

2 stops21h 52m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 12/2

8:45 am-10:15 am

2 stops17h 30m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-1:32 pm

2 stops34h 32m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 11/18

6:25 am-8:00 am

2 stops17h 35m

Lisbon Humberto Delgado

Wed 11/26

5:30 am-7:22 pm

2 stops21h 52m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 11/17

10:25 pm-8:00 am

2 stops25h 35m

Lisbon Humberto Delgado

Wed 11/26

5:30 am-6:19 pm

2 stops20h 49m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 11/17

10:25 pm-8:00 am

2 stops25h 35m

Lisbon Humberto Delgado

Tue 11/25

5:30 am-6:19 pm

2 stops20h 49m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Sun 11/16

6:25 am-8:55 am

2 stops18h 30m

Lisbon Humberto Delgado

Wed 11/26

5:30 am-6:19 pm

2 stops20h 49m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Sat 11/15

5:30 pm-8:00 am

2 stops30h 30m

Lisbon Humberto Delgado

Tue 11/25

5:30 am-6:19 pm

2 stops20h 49m

$498

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 2/16

6:09 am-9:05 am

2 stops18h 56m

Lisbon Humberto Delgado

Fri 2/27

6:30 am-8:45 pm

2 stops22h 15m

$499

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 12/2

8:45 am-10:15 am

2 stops17h 30m

Lisbon Humberto Delgado

Tue 12/9

5:00 am-9:27 pm

2 stops24h 27m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Showing 1-10 of 48 results
1
2
3
...
5

Best time to book a flight from San Jose to Portugal

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

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

Currently, November is the cheapest month in which you can book a flight from San Jose, California to Portugal (average of $507). Flying from San Jose, California to Portugal in June is currently the most expensive (average of $782). 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 PT?

Find hourly flight availability from San Jose 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 October 20, 2025.

When flying from San Jose, California to Portugal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.

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 October 20, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from San Jose to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,976 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

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
7.9
Good
7,976 reviews
Delta
7.9
Good
7,976 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

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
8,994 reviews
Delta
7.9
Good
7,976 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

7.9

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 Jose 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 Jose to Portugal?

    For a flight from San Jose to Portugal, you will be flying from San Jose. San Jose (SJC) is just 2.9 mi from the center of the city.

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

    Departing from San Jose, California to Portugal will take you 17h 15m. Airlines will cover a distance of 5658 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Jose, California to Portugal one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $403. Users have also found prices from $406 and $452 on Delta and KLM, respectively.

  • What are the most popular routes from San Jose, California to Portugal?

    While some choose either San Jose - Porto or San Jose - Faro, San Jose - Lisbon Humberto Delgado is the most popular route from San Jose, California to Portugal.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Jose, California to Portugal (average of $507). Flying from San Jose, California to Portugal in June is currently the most expensive (average of $782). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
Los Angeles to Orly flights
San Francisco to Gatwick flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Istanbul flights
Los Angeles to Madrid flights
San Francisco to Istanbul flights
Los Angeles to Frankfurt flights
San Francisco to London City flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
San Francisco to Lisbon flights
Los Angeles to Stansted flights
San Francisco to Amsterdam flights
Ontario to Leonardo da Vinci/Fiumicino flights
Ontario to Charles de Gaulle flights
Los Angeles to Amsterdam flights
Ontario to Heathrow flights
Los Angeles to Luton flights
San Diego to Heathrow flights
San Francisco to Madrid flights
Santa Ana to Heathrow flights
Los Angeles to Lisbon flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Los Angeles to Dublin flights
San Francisco to Frankfurt flights
Los Angeles to Munich flights
San Francisco to Stansted flights
San Francisco to Dublin flights
Santa Ana to Charles de Gaulle flights
San Francisco to Luton flights
San Francisco to Zurich flights
Los Angeles to Zurich flights
Los Angeles to Malpensa flights
San Francisco to Malpensa flights
Los Angeles to Beauvais-Tille flights
San Francisco to Linate flights
Los Angeles to Linate flights
San Francisco to Munich flights
Burbank to Charles de Gaulle flights
San Francisco to Athens flights
Los Angeles to Vicenza flights
Los Angeles to Athens flights
Las Vegas to Heathrow flights

Top 2 airlines flying from San Jose to Portugal

Discover the top 2 airlines that operate flights from San Jose 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$572Average$746FlexibilityNo cancel feeOn-time69%
DeltaCheapest$581Average$777FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.