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Portugal

$235+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — LIS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. 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 12/108:45 amSJC - LIS
2 stops17h 30mUnited Airlines
Fri 1/2311:20 amLIS - SJC
2 stops41h 36mUnited Airlines
Deal found 12/3$444
This Finnair deal was found by Cheapflights users on 12/2. 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 12/316:10 amSJC - LIS
2 stops16h 45mMultiple Airlines
Fri 1/306:30 amLIS - SJC
2 stops22h 59mMultiple Airlines
Deal found 12/2$445
This KLM deal was found by Cheapflights users on 12/1. 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.
Tue 12/25:45 amSJC - LIS
2 stops19h 15mKLM
Tue 12/95:00 amLIS - SJC
2 stops18h 54mKLM
Deal found 12/1$491
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/212:40 pmSJC - LIS
3 stops37h 35mUnited Airlines
Fri 12/1211:20 amLIS - SJC
2 stops38h 32mUnited Airlines
Deal found 12/1$498
This Air Canada deal was found by Cheapflights users on 12/1. 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 12/38:45 amSJC - LIS
2 stops16h 10mAir Canada
Fri 12/1211:20 amLIS - SJC
2 stops38h 32mAir Canada
Deal found 12/1$500
This United Airlines deal was found by Cheapflights users on 12/1. 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 stops24h 27mUnited Airlines
Deal found 12/1$501
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/312:40 pmSJC - LIS
2 stops26h 50mUnited Airlines
Wed 12/105:00 amLIS - SJC
2 stops24h 27mUnited Airlines
Deal found 12/3$502
This oojo deal was found by Cheapflights users on 12/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amSJC - LIS
2 stops24h 50mBritish Airways
Fri 1/237:05 amLIS - SJC
2 stops23h 44mBritish Airways
Deal found 12/3$519
This oojo deal was found by Cheapflights users on 12/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:56 pmSJC - LIS
2 stops24h 49mBritish Airways
Wed 1/213:55 pmLIS - SJC
2 stops38h 54mBritish Airways
Deal found 12/2$521
This KAYAK deal was found by Cheapflights users on 12/3. 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.
Fri 12/56:35 amSJC - FNC
2 stops24h 45mScandinavian Airlines
Sat 12/134:10 pmFNC - SJC
2 stops38h 45mScandinavian Airlines
Deal found 12/3$1,194
This oojo deal was found by Cheapflights users on 12/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:53 amSJC - OPO
2 stops45h 07mIberia
Thu 1/158:40 pmOPO - SJC
2 stops33h 35mIberia
Deal found 12/3$1,320
This British Airways deal was found by Cheapflights users on 12/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:56 amSJC - FNC
2 stops41h 24mBritish Airways
Sat 12/274:55 pmFNC - SJC
2 stops38h 04mBritish Airways
Deal found 12/3$1,403

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$441
(American Airlines)

One-way from

$235
(oojo)

Popular in

June

Cheapest in

January

Average price

$620
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. 18% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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

Wed 12/31

6:10 am-6:55 am

2 stops16h 45m

Lisbon Humberto Delgado

Fri 1/30

6:30 am-9:29 pm

2 stops22h 59m

$445

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 1/13

8:40 am-8:10 am

2 stops15h 30m

Lisbon Humberto Delgado

Wed 1/21

5:00 am-8:56 pm

3 stops23h 56m

$497

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Wed 2/11

2:32 pm-9:50 pm

2 stops23h 18m

Lisbon Humberto Delgado

Sun 2/22

6:40 pm-10:26 pm

2 stops35h 46m

$506

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Fri 1/30

4:00 pm-8:10 am

2 stops32h 10m

Lisbon Humberto Delgado

Thu 3/12

5:00 am-9:16 pm

2 stops23h 16m

$535

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Thu 1/29

8:40 am-8:10 am

2 stops15h 30m

Lisbon Humberto Delgado

Mon 2/2

11:20 am-8:56 pm

2 stops41h 36m

$543

San JoseFunchal

SJC - FNC

SJCFNC

San Jose

Thu 1/22

6:20 am-5:10 pm

2 stops26h 50m

Funchal Madeira

Wed 4/29

10:25 am-5:27 pm

2 stops39h 02m

$548

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Thu 4/16

6:03 am-9:05 am

2 stops19h 02m

Lisbon Humberto Delgado

Mon 4/20

4:35 pm-8:35 pm

2 stops36h 00m

$556

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Sun 3/22

4:20 pm-5:45 pm

2 stops18h 25m

Lisbon Humberto Delgado

Sat 3/28

6:40 pm-6:45 pm

2 stops55h 05m

$749

San JosePorto

SJC - OPO

SJCOPO

San Jose

Fri 1/16

9:15 am-3:25 pm

2 stops22h 10m

Porto

Fri 1/23

5:00 am-10:12 pm

2 stops25h 12m

$772

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Thu 3/19

11:02 am-9:05 am

2 stops15h 03m

Lisbon Humberto Delgado

Sun 3/22

11:05 am-10:32 pm

2 stops18h 27m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 60 results
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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 $488). 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 December 4, 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 17% versus a flight in the afternoon.

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 December 4, 2025.
Peruse reviews from past customers who have flown with 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.
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 15h 30m. Airlines will cover a distance of 5658 mi. This flight may include one or multiple stops.

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

    While some choose either San Jose - Porto or San Jose - Funchal Madeira, 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 $488). 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

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Top airline flying from San Jose to Portugal

Discover the top airline 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$554Average$667FlexibilityNo cancel feeOn-time69%

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