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

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
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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 $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.

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.

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.

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?

  • 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

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Alternative routes for San Jose to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

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

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