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Cheap flights from San Jose, California to Porto from $351

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 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Jose, California to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:30 am - 9:30 am
SJC
-
OPO
19h 00m
2 stops
United Airlines Logo
6:00 am - 10:51 pm
OPO
-
SJC
24h 51m
2 stops
$755United Airlines
Mon, Nov 16 - Thu, Nov 19
United Airlines Logo
6:30 am - 9:30 am
SJC
-
OPO
19h 00m
2 stops
United Airlines Logo
6:00 am - 10:51 pm
OPO
-
SJC
24h 51m
2 stops
$760United Airlines
Mon, Nov 16 - Thu, Nov 19
Delta Logo
7:00 am - 10:35 am
SJC
-
OPO
19h 35m
2 stops
Delta Logo
5:00 am - 4:16 pm
OPO
-
SJC
19h 16m
2 stops
$761Delta
Tue, Jan 12 - Tue, Jan 19
Multiple Airlines Logo
9:00 am - 12:50 pm
SJC
-
OPO
19h 50m
2 stops
Multiple Airlines Logo
6:00 am - 10:36 pm
OPO
-
SJC
48h 36m
3 stops
$775Multiple Airlines
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
6:30 am - 9:30 am
SJC
-
OPO
19h 00m
2 stops
United Airlines Logo
12:35 pm - 9:08 pm
OPO
-
SJC
40h 33m
2 stops
$780United Airlines
Mon, Nov 16 - Thu, Nov 19
Delta Logo
9:50 am - 3:25 pm
SJC
-
OPO
21h 35m
2 stops
Delta Logo
5:00 am - 4:16 pm
OPO
-
SJC
19h 16m
2 stops
$782Delta
Sun, Jan 3 - Thu, Jan 7
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
$801Lufthansa
Sun, Nov 1 - Sat, Nov 14
Delta Logo
6:30 am - 10:35 am
SJC
-
OPO
20h 05m
2 stops
Delta Logo
5:00 am - 4:16 pm
OPO
-
SJC
19h 16m
2 stops
$811Delta
Sun, Nov 1 - Sat, Nov 14
Delta Logo
7:00 am - 10:30 am
SJC
-
OPO
19h 30m
2 stops
Delta Logo
5:00 am - 3:50 pm
OPO
-
SJC
18h 50m
2 stops
$911Delta
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
6:30 am - 9:30 am
SJC
-
OPO
19h 00m
2 stops
United Airlines Logo
6:00 am - 9:04 pm
OPO
-
SJC
23h 04m
3 stops
$951United Airlines
Sun, Nov 1 - Sat, Nov 14

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Delta flights from San Jose, California to Porto

Our best Delta deals on San Jose, California to Porto flight tickets
Delta
Jan 12
SJC7:00 amSan Jose
19h 35m
2 stops
OPO10:35 amPorto
Jan 19
OPO5:00 amPorto
19h 16m
2 stops
SJC4:16 pmSan Jose
$761
Delta
Jan 3
SJC9:50 amSan Jose
21h 35m
2 stops
OPO3:25 pmPorto
Jan 7
OPO5:00 amPorto
19h 16m
2 stops
SJC4:16 pmSan Jose
$782
Delta
Nov 1
SJC6:30 amSan Jose
20h 05m
2 stops
OPO10:35 amPorto
Nov 14
OPO5:00 amPorto
19h 16m
2 stops
SJC4:16 pmSan Jose
$811

United Airlines flights from San Jose, California to Porto

Our best United Airlines deals on San Jose, California to Porto flight tickets
United Airlines
Nov 16
SJC6:30 amSan Jose
19h 00m
2 stops
OPO9:30 amPorto
Nov 19
OPO6:00 amPorto
24h 51m
2 stops
SJC10:51 pmSan Jose
$755
United Airlines
Nov 16
SJC6:30 amSan Jose
19h 00m
2 stops
OPO9:30 amPorto
Nov 19
OPO6:00 amPorto
24h 51m
2 stops
SJC10:51 pmSan Jose
$760
United Airlines
Nov 16
SJC6:30 amSan Jose
19h 00m
2 stops
OPO9:30 amPorto
Nov 19
OPO12:35 pmPorto
40h 33m
2 stops
SJC9:08 pmSan Jose
$780

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 July 25, 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

Cheapest round-trip

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 11/16

6:30 am-9:30 am

2 stops19h 00m

Porto

Thu 11/19

6:00 am-10:51 pm

2 stops24h 51m

$755

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 11/16

6:30 am-9:30 am

2 stops19h 00m

Porto

Thu 11/19

6:00 am-10:51 pm

2 stops24h 51m

$760

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 1/12

7:00 am-10:35 am

2 stops19h 35m

Porto

Tue 1/19

5:00 am-4:16 pm

2 stops19h 16m

$761

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 1/12

9:00 am-12:50 pm

2 stops19h 50m

Porto

Tue 1/19

6:00 am-10:36 pm

3 stops48h 36m

$775

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 11/16

6:30 am-9:30 am

2 stops19h 00m

Porto

Thu 11/19

12:35 pm-9:08 pm

2 stops40h 33m

$780

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 1/3

9:50 am-3:25 pm

2 stops21h 35m

Porto

Thu 1/7

5:00 am-4:16 pm

2 stops19h 16m

$782

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 11/1

8:45 am-12:50 pm

2 stops20h 05m

Porto

Sat 11/14

6:00 am-9:04 pm

2 stops23h 04m

$801

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 11/1

6:30 am-10:35 am

2 stops20h 05m

Porto

Sat 11/14

5:00 am-4:16 pm

2 stops19h 16m

$811
Quickest round-trip

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 8/17

7:00 am-10:30 am

2 stops19h 30m

Porto

Mon 8/24

5:00 am-3:50 pm

2 stops18h 50m

$911

San JosePorto

SJC - OPO

SJCOPO

San Jose

Sun 11/1

6:30 am-9:30 am

2 stops19h 00m

Porto

Sat 11/14

6:00 am-9:04 pm

3 stops23h 04m

$951

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 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?

Delta and United Airlines are the most popular carriers 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 40% 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

19h 00m

Direct flights

None
The fastest flight from San Jose, California to Porto takes 19h 00m
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

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

  • 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 19h 00m.

  • 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
Braga
Aveiro
Matosinhos
Esposende
Lamego
Pinhao
Chaves
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
Mesao Frio
Penafiel
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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