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Cheap flights from San Jose, California to Portugal from $419

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Portugal departing on 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Jose, California to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 10:15 amSJC-LIS
17h 15m2 stops
United Airlines Logo
6:10 am - 1:38 pmLIS-SJC
39h 28m2 stops
$490United Airlines
Find Deal
Wed, Dec 31 - Fri, Jan 30
United Airlines Logo
9:00 am - 10:15 amSJC-LIS
17h 15m2 stops
United Airlines Logo
6:10 am - 1:38 pmLIS-SJC
39h 28m2 stops
$491United Airlines
Find Deal
Wed, Dec 31 - Fri, Jan 30
United Airlines Logo
10:40 pm - 8:10 amSJC-LIS
26h 30m2 stops
United Airlines Logo
7:30 am - 10:36 pmLIS-SJC
23h 06m2 stops
$501United Airlines
Find Deal
Mon, Mar 23 - Wed, Apr 1
Delta Logo
11:35 am - 3:10 pmSJC-LIS
20h 35m2 stops
Delta Logo
5:00 am - 8:26 pmLIS-SJC
23h 26m2 stops
$504Delta
Find Deal
Mon, Oct 27 - Wed, Nov 5
Multiple Airlines Logo
6:15 am - 9:05 amSJC-LIS
19h 50m2 stops
Multiple Airlines Logo
11:05 am - 10:37 pmLIS-SJC
19h 32m2 stops
$514Multiple Airlines
Find Deal
Sun, Oct 26 - Wed, Nov 5
KLM Logo
10:10 am - 2:35 pmSJC-LIS
20h 25m2 stops
KLM Logo
5:00 am - 9:06 pmLIS-SJC
24h 06m2 stops
$524KLM
Find Deal
Mon, Feb 2 - Sun, Feb 8
Multiple Airlines Logo
6:00 am - 7:55 amSJC-LIS
17h 55m2 stops
Multiple Airlines Logo
4:10 pm - 8:45 pmLIS-SJC
36h 35m2 stops
$526Multiple Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 16
Finnair Logo
5:52 am - 3:25 pmSJC-LIS
25h 33m2 stops
Finnair Logo
4:10 pm - 8:46 pmLIS-SJC
35h 36m2 stops
$534Finnair
Find Deal
Fri, Mar 6 - Mon, Mar 16
KLM Logo
7:05 am - 4:55 pmSJC-FAO
25h 50m2 stops
KLM Logo
9:15 am - 3:54 pmFAO-SJC
38h 39m2 stops
$535KLM
Find Deal
Fri, Nov 28 - Fri, Dec 5
Delta Logo
6:25 am - 10:30 amSJC-OPO
20h 05m2 stops
Delta Logo
11:15 am - 11:04 pmOPO-SJC
43h 49m2 stops
$541Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7

KLM flights from San Jose, California to Portugal

Our best KLM deals on San Jose, California to Portugal flight tickets
KLM
Feb 2
SJC10:10 amSan Jose
20h 25m
2 stops
LIS2:35 pmLisbon Humberto Delgado
Feb 8
LIS5:00 amLisbon Humberto Delgado
24h 06m
2 stops
SJC9:06 pmSan Jose
$524
Find similar
KLM
Nov 28
SJC7:05 amSan Jose
25h 50m
2 stops
FAO4:55 pmFaro
Dec 5
FAO9:15 amFaro
38h 39m
2 stops
SJC3:54 pmSan Jose
$535
Find similar
KLM
Jan 8
SJC10:10 amSan Jose
21h 15m
2 stops
OPO3:25 pmPorto
Jan 25
OPO5:00 amPorto
19h 20m
2 stops
SJC4:20 pmSan Jose
$537
Find similar

British Airways flights from San Jose, California to Portugal

Our best British Airways deals on San Jose, California to Portugal flight tickets
British Airways
Nov 12
SJC11:20 amSan Jose
22h 20m
2 stops
LIS5:40 pmLisbon Humberto Delgado
Nov 19
LIS6:35 pmLisbon Humberto Delgado
35h 44m
2 stops
SJC10:19 pmSan Jose
$741
Find similar
British Airways
Oct 20
SJC12:44 pmSan Jose
26h 26m
2 stops
LIS11:10 pmLisbon Humberto Delgado
Nov 23
LIS7:05 amLisbon Humberto Delgado
23h 14m
2 stops
SJC10:19 pmSan Jose
$915
Find similar
British Airways
Oct 26
SJC8:00 amSan Jose
26h 45m
2 stops
LIS5:45 pmLisbon Humberto Delgado
Oct 28
LIS7:05 amLisbon Humberto Delgado
40h 48m
2 stops
SJC4:53 pmSan Jose
$1,483
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from San Jose, California to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Wed 12/31

9:00 am-10:15 am

2 stops17h 15m

Lisbon Humberto Delgado

Fri 1/30

6:10 am-1:38 pm

2 stops39h 28m

$490

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Wed 12/31

9:00 am-10:15 am

2 stops17h 15m

Lisbon Humberto Delgado

Fri 1/30

6:10 am-1:38 pm

2 stops39h 28m

$491

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 3/23

10:40 pm-8:10 am

2 stops26h 30m

Lisbon Humberto Delgado

Wed 4/1

7:30 am-10:36 pm

2 stops23h 06m

$501

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 10/27

11:35 am-3:10 pm

2 stops20h 35m

Lisbon Humberto Delgado

Wed 11/5

5:00 am-8:26 pm

2 stops23h 26m

$504

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Sun 10/26

6:15 am-9:05 am

2 stops19h 50m

Lisbon Humberto Delgado

Wed 11/5

11:05 am-10:37 pm

2 stops19h 32m

$514

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 2/2

10:10 am-2:35 pm

2 stops20h 25m

Lisbon Humberto Delgado

Sun 2/8

5:00 am-9:06 pm

2 stops24h 06m

$524

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Fri 2/6

6:00 am-7:55 am

2 stops17h 55m

Lisbon Humberto Delgado

Mon 2/16

4:10 pm-8:45 pm

2 stops36h 35m

$526

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Fri 3/6

5:52 am-3:25 pm

2 stops25h 33m

Lisbon Humberto Delgado

Mon 3/16

4:10 pm-8:46 pm

2 stops35h 36m

$534

San JoseFaro

SJC - FAO

SJCFAO

San Jose

Fri 11/28

7:05 am-4:55 pm

2 stops25h 50m

Faro

Fri 12/5

9:15 am-3:54 pm

2 stops38h 39m

$535

San JosePorto

SJC - OPO

SJCOPO

San Jose

Wed 12/3

6:25 am-10:30 am

2 stops20h 05m

Porto

Sun 12/7

11:15 am-11:04 pm

2 stops43h 49m

$541

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from San Jose, California to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from San Jose, California is in January. Flight prices, which tend to average around $572, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from San Jose, California during November instead. Flights to Portugal in November, while not as cheap as those in January, still average around $640.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from San Jose, California. The lowest ticket price found for a Monday departure recently was $804. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,140.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from San Jose, California to Portugal during this time can be as low as $705. In the morning is when there is more demand to fly to Portugal, so prices are often more expensive at around $889 per ticket.

Cheap San Jose, California to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Portugal

Direct flights

None
There are no direct flights from San Jose, California to Portugal. There are no popular flight routes from San Jose, California to Portugal.
Search flight deals

  • When did momondo last update prices for flights from San Jose Airport to Portugal?

    Prices for flights from San Jose Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Jose Airport to Portugal?

  • How old do you have to be to fly from San Jose Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Jose, California to Portugal

Compare and see reviews for airlines that fly from San Jose, California to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $572Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $581Free CancellationRating
7.9
7,984 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Portugal?

Finding the right flight to Portugal from San Jose is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portugal quick and easy, saving you time and money.

Can I find flights from San Jose to Portugal with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Jose to Portugal flights to just show those with flexible booking policies.

How can momondo help me find flights from San Jose to Portugal?

Once all potential San Jose to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Jose to Portugal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from San Jose and alert you when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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