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Cheap flights from San Jose, California to Portugal from $363

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 8/29. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Jose, California to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
8:45 am - 12:50 pm
SJC
-
OPO
20h 05m
2 stops
Lufthansa Logo
6:00 am - 9:04 pm
OPO
-
SJC
23h 04m
2 stops
$746Lufthansa
Sun, Nov 1 - Tue, Nov 17
American Airlines Logo
4:11 pm - 5:40 pm
SJC
-
LIS
18h 29m
2 stops
American Airlines Logo
8:45 pm - 10:16 am
LIS
-
SJC
21h 31m
2 stops
$755American Airlines
Tue, Oct 27 - Wed, Nov 4
United Airlines Logo
2:12 pm - 9:30 am
SJC
-
OPO
35h 18m
2 stops
United Airlines Logo
6:00 am - 9:04 pm
OPO
-
SJC
23h 04m
2 stops
$755United Airlines
Mon, Nov 2 - Tue, Nov 17
Delta Logo
6:00 am - 10:00 pm
SJC
-
OPO
32h 00m
2 stops
Delta Logo
11:15 am - 4:16 pm
OPO
-
SJC
37h 01m
2 stops
$756Delta
Sun, Nov 1 - Wed, Nov 18
Delta Logo
11:38 am - 10:00 pm
SJC
-
OPO
26h 22m
2 stops
Delta Logo
11:15 am - 6:48 pm
OPO
-
SJC
39h 33m
2 stops
$757Delta
Mon, Nov 2 - Mon, Nov 16
Delta Logo
8:35 pm - 10:00 pm
SJC
-
OPO
41h 25m
2 stops
Delta Logo
11:15 am - 5:00 pm
OPO
-
SJC
37h 45m
2 stops
$762Delta
Sun, Nov 1 - Mon, Nov 16
United Airlines Logo
2:12 pm - 9:30 am
SJC
-
OPO
36h 18m
2 stops
United Airlines Logo
6:00 am - 9:04 pm
OPO
-
SJC
23h 04m
2 stops
$767United Airlines
Sat, Oct 31 - Fri, Nov 13
Multiple Airlines Logo
2:36 pm - 11:25 pm
SJC
-
LIS
24h 49m
2 stops
Multiple Airlines Logo
4:35 pm - 10:08 pm
LIS
-
SJC
37h 33m
2 stops
$845Multiple Airlines
Wed, Sep 30 - Mon, Oct 5
KLM Logo
6:40 am - 10:55 am
SJC
-
LIS
20h 15m
2 stops
KLM Logo
5:00 am - 8:13 pm
LIS
-
SJC
23h 13m
2 stops
$856KLM
Mon, Aug 10 - Tue, Aug 25
KLM Logo
12:35 pm - 6:05 pm
SJC
-
FNC
21h 30m
2 stops
KLM Logo
10:15 am - 5:12 pm
FNC
-
SJC
38h 57m
2 stops
$917KLM
Thu, Aug 13 - Thu, Aug 20

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American Airlines flights from San Jose, California to Portugal

Our best American Airlines deals on San Jose, California to Portugal flight tickets
American Airlines
Oct 27
SJC4:11 pmSan Jose
18h 29m
2 stops
LIS5:40 pmLisbon Humberto Delgado
Nov 4
LIS8:45 pmLisbon Humberto Delgado
21h 31m
2 stops
SJC10:16 amSan Jose
$755
American Airlines
Aug 20
SJC2:30 pmSan Jose
19h 40m
2 stops
LIS6:10 pmLisbon Humberto Delgado
Aug 27
LIS11:05 amLisbon Humberto Delgado
31h 45m
2 stops
SJC10:50 amSan Jose
$909
American Airlines
Jul 9
SJC6:01 amSan Jose
19h 04m
2 stops
LIS9:05 amLisbon Humberto Delgado
Aug 8
LIS6:35 amLisbon Humberto Delgado
23h 57m
2 stops
SJC10:32 pmSan Jose
$1,405

KLM flights from San Jose, California to Portugal

Our best KLM deals on San Jose, California to Portugal flight tickets
KLM
Aug 19
SJC1:24 pmSan Jose
18h 06m
2 stops
OPO3:30 pmPorto
Aug 26
OPO5:00 amPorto
23h 13m
2 stops
SJC8:13 pmSan Jose
$847
KLM
Aug 10
SJC6:40 amSan Jose
20h 15m
2 stops
LIS10:55 amLisbon Humberto Delgado
Aug 25
LIS5:00 amLisbon Humberto Delgado
23h 13m
2 stops
SJC8:13 pmSan Jose
$856
KLM
Aug 13
SJC12:35 pmSan Jose
21h 30m
2 stops
FNC6:05 pmFunchal Madeira
Aug 20
FNC10:15 amFunchal Madeira
38h 57m
2 stops
SJC5:12 pmSan Jose
$917

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 July 6, 2026.
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

Cheapest round-trip

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 11/1

8:45 am-12:50 pm

2 stops20h 05m

Porto

Tue 11/17

6:00 am-9:04 pm

2 stops23h 04m

$746
Quickest round-trip

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Tue 10/27

4:11 pm-5:40 pm

2 stops18h 29m

Lisbon Humberto Delgado

Wed 11/4

8:45 pm-10:16 am

2 stops21h 31m

$755

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 11/2

2:12 pm-9:30 am

2 stops35h 18m

Porto

Tue 11/17

6:00 am-9:04 pm

2 stops23h 04m

$755

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 11/1

6:00 am-10:00 pm

2 stops32h 00m

Porto

Wed 11/18

11:15 am-4:16 pm

2 stops37h 01m

$756

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 11/2

11:38 am-10:00 pm

2 stops26h 22m

Porto

Mon 11/16

11:15 am-6:48 pm

2 stops39h 33m

$757

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 11/1

8:35 pm-10:00 pm

2 stops41h 25m

Porto

Mon 11/16

11:15 am-5:00 pm

2 stops37h 45m

$762

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sat 10/31

2:12 pm-9:30 am

2 stops36h 18m

Porto

Fri 11/13

6:00 am-9:04 pm

2 stops23h 04m

$767

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Wed 9/30

2:36 pm-11:25 pm

2 stops24h 49m

Lisbon Humberto Delgado

Mon 10/5

4:35 pm-10:08 pm

2 stops37h 33m

$845

San JoseLisbon

SJC - LIS

SJCLIS

San Jose

Mon 8/10

6:40 am-10:55 am

2 stops20h 15m

Lisbon Humberto Delgado

Tue 8/25

5:00 am-8:13 pm

2 stops23h 13m

$856

San JoseFunchal

SJC - FNC

SJCFNC

San Jose

Thu 8/13

12:35 pm-6:05 pm

2 stops21h 30m

Funchal Madeira

Thu 8/20

10:15 am-5:12 pm

2 stops38h 57m

$917

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 airline that flies from San Jose to Portugal?

United Airlines, Air Canada, and Lufthansa are the most popular carriers operating from San Jose to Portugal

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and British Airways are the top three most popular airlines that fly to Portugal from San Jose, California according to our data. TAP AIR PORTUGAL is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 17 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from San Jose, California to Portugal takes 16h 35m
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

Frequently asked questions about flying from San Jose, California to Portugal

  • 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 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.

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.

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Find better results for your trip to Portugal

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