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Cheap flights from San Jose, California to Porto from $656

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 Porto departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Jose, California to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:02 pm - 8:20 pm
SJC
-
OPO
22h 18m
2 stops
British Airways Logo
8:20 pm - 10:59 pm
OPO
-
SJC
34h 39m
2 stops
$870British Airways
Thu, Apr 16 - Wed, Apr 22
United Airlines Logo
6:30 am - 11:15 am
SJC
-
OPO
20h 45m
2 stops
United Airlines Logo
6:00 am - 9:08 pm
OPO
-
SJC
23h 08m
2 stops
$892United Airlines
Thu, Apr 9 - Thu, Apr 16
Delta Logo
1:50 pm - 10:00 pm
SJC
-
OPO
24h 10m
2 stops
Delta Logo
5:00 am - 9:21 pm
OPO
-
SJC
24h 21m
2 stops
$942Delta
Sat, Apr 11 - Sat, Apr 18
Air France Logo
9:40 am - 3:25 pm
SJC
-
OPO
21h 45m
2 stops
Air France Logo
5:55 am - 4:08 pm
OPO
-
SJC
18h 13m
2 stops
$953Air France
Fri, Apr 10 - Fri, Apr 17
Delta Logo
1:50 pm - 10:00 pm
SJC
-
OPO
24h 10m
2 stops
Delta Logo
5:55 am - 9:45 pm
OPO
-
SJC
23h 50m
2 stops
$1,060Delta
Fri, Apr 10 - Fri, Apr 17
United Airlines Logo
3:45 pm - 3:40 pm
SJC
-
OPO
39h 55m
2 stops
United Airlines Logo
6:00 am - 10:36 pm
OPO
-
SJC
48h 36m
2 stops
$1,061United Airlines
Sun, Apr 12 - Sun, Apr 19
Multiple Airlines Logo
10:16 am - 11:25 pm
SJC
-
OPO
30h 09m
3 stops
Multiple Airlines Logo
6:25 am - 10:59 pm
OPO
-
SJC
23h 34m
3 stops
$1,198Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
United Airlines Logo
8:45 am - 9:30 am
SJC
-
OPO
17h 45m
2 stops
United Airlines Logo
6:00 am - 9:16 pm
OPO
-
SJC
22h 16m
2 stops
$1,361United Airlines
Mon, Mar 9 - Thu, Mar 12
Delta Logo
9:15 am - 3:25 pm
SJC
-
OPO
23h 10m
2 stops
Delta Logo
5:00 am - 9:33 pm
OPO
-
SJC
23h 33m
2 stops
$1,369Delta
Sun, Mar 8 - Wed, Mar 11
Multiple Airlines Logo
7:10 pm - 9:55 am
SJC
-
OPO
55h 45m
2 stops
Multiple Airlines Logo
4:10 pm - 10:28 am
OPO
-
SJC
49h 18m
2 stops
$1,393Multiple Airlines
Mon, Mar 9 - Thu, Mar 12

Iberia flights from San Jose, California to Porto

Our best Iberia deals on San Jose, California to Porto flight tickets
Iberia
Mar 2
SJC11:01 amSan Jose
16h 44m
2 stops
OPO11:45 amPorto
Mar 9
OPO8:40 pmPorto
20h 31m
2 stops
SJC10:11 amSan Jose
$1,812
Iberia
Apr 4
SJC11:06 amSan Jose
20h 54m
2 stops
OPO4:00 pmPorto
Apr 10
OPO8:20 amPorto
21h 39m
2 stops
SJC9:59 pmSan Jose
$3,251
Iberia
Mar 1
SJC6:00 amSan Jose
21h 45m
2 stops
OPO11:45 amPorto
Mar 3
OPO8:20 amPorto
21h 10m
2 stops
SJC9:30 pmSan Jose
$6,497

United Airlines flights from San Jose, California to Porto

Our best United Airlines deals on San Jose, California to Porto flight tickets
United Airlines
Apr 9
SJC6:30 amSan Jose
20h 45m
2 stops
OPO11:15 amPorto
Apr 16
OPO6:00 amPorto
23h 08m
2 stops
SJC9:08 pmSan Jose
$892
United Airlines
Apr 12
SJC3:45 pmSan Jose
39h 55m
2 stops
OPO3:40 pmPorto
Apr 19
OPO6:00 amPorto
48h 36m
2 stops
SJC10:36 pmSan Jose
$1,061
United Airlines
Mar 9
SJC8:45 amSan Jose
17h 45m
2 stops
OPO9:30 amPorto
Mar 12
OPO6:00 amPorto
22h 16m
2 stops
SJC9:16 pmSan Jose
$1,361

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to Porto 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 February 27, 2026.
Use the filters below to find and compare flights from San Jose, California to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JosePorto

SJC - OPO

SJCOPO

San Jose

Thu 4/16

2:02 pm-8:20 pm

2 stops22h 18m

Porto

Wed 4/22

8:20 pm-10:59 pm

2 stops34h 39m

$870

San JosePorto

SJC - OPO

SJCOPO

San Jose

Thu 4/9

6:30 am-11:15 am

2 stops20h 45m

Porto

Thu 4/16

6:00 am-9:08 pm

2 stops23h 08m

$892

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sat 4/11

1:50 pm-10:00 pm

2 stops24h 10m

Porto

Sat 4/18

5:00 am-9:21 pm

2 stops24h 21m

$942

San JosePorto

SJC - OPO

SJCOPO

San Jose

Fri 4/10

9:40 am-3:25 pm

2 stops21h 45m

Porto

Fri 4/17

5:55 am-4:08 pm

2 stops18h 13m

$953

San JosePorto

SJC - OPO

SJCOPO

San Jose

Fri 4/10

1:50 pm-10:00 pm

2 stops24h 10m

Porto

Fri 4/17

5:55 am-9:45 pm

2 stops23h 50m

$1,060

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 4/12

3:45 pm-3:40 pm

2 stops39h 55m

Porto

Sun 4/19

6:00 am-10:36 pm

2 stops48h 36m

$1,061

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 3/9

10:16 am-11:25 pm

3 stops30h 09m

Porto

Thu 3/12

6:25 am-10:59 pm

3 stops23h 34m

$1,198

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 3/9

8:45 am-9:30 am

2 stops17h 45m

Porto

Thu 3/12

6:00 am-9:16 pm

2 stops22h 16m

$1,361

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 3/8

9:15 am-3:25 pm

2 stops23h 10m

Porto

Wed 3/11

5:00 am-9:33 pm

2 stops23h 33m

$1,369

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 3/9

7:10 pm-9:55 am

2 stops55h 45m

Porto

Thu 3/12

4:10 pm-10:28 am

2 stops49h 18m

$1,393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Porto from

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

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 Porto?

Iberia is the most popular carrier operating from San Jose to Porto

What airlines fly to Porto?

TAP AIR PORTUGAL, United Airlines and Lufthansa are the top three most popular airlines that fly to Porto from San Jose, California according to our data. TAP AIR PORTUGAL is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 10 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

When to book flights from San Jose, California to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose, California to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Jose, California to Porto (SJC to OPO) flight deals and tips

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

Fastest flight time

20h 54m

Direct flights

None
The fastest flight from San Jose, California to Porto takes 20h 54m
There are no direct flights from San Jose, California to Porto. There are no popular flight routes from San Jose, California to Porto.
Search flight deals

  • How far is San Jose to Porto by plane?

    San Jose and Porto are 5567.2 mi apart from one another. A reasonable flight in good conditions will take 20h 54m.

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

    Prices for flights from San Jose Airport to Porto Airport were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport 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 Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

Finding the right flight to Porto 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 Porto quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Jose to Porto.

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

Yes. momondo can track prices for San Jose to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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