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Cheap flights from San Jose, California to Porto from $409

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 10/23. 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
6:37 pm - 6:15 am
SJC
-
OPO
27h 38m
2 stops
United Airlines Logo
12:15 pm - 5:35 pm
OPO
-
SJC
37h 20m
2 stops
$904United Airlines
Mon, Jul 13 - Tue, Jul 28
Air Canada Logo
4:00 pm - 7:00 am
SJC
-
OPO
31h 00m
2 stops
Air Canada Logo
12:15 pm - 1:24 pm
OPO
-
SJC
33h 09m
2 stops
$910Air Canada
Tue, Jul 21 - Tue, Jul 28
Air Canada Logo
4:00 pm - 7:00 am
SJC
-
OPO
31h 00m
2 stops
Air Canada Logo
12:15 pm - 1:24 pm
OPO
-
SJC
33h 09m
2 stops
$915Air Canada
Tue, Jul 21 - Tue, Jul 28
Delta Logo
2:55 pm - 10:05 pm
SJC
-
OPO
23h 10m
2 stops
Delta Logo
5:00 am - 4:04 pm
OPO
-
SJC
19h 04m
2 stops
$916Delta
Tue, Jul 14 - Thu, Jul 30
United Airlines Logo
12:51 pm - 6:55 am
SJC
-
OPO
34h 04m
2 stops
United Airlines Logo
12:15 pm - 11:46 am
OPO
-
SJC
55h 31m
2 stops
$919United Airlines
Tue, Aug 18 - Sun, Aug 23
Delta Logo
11:33 am - 3:25 pm
SJC
-
OPO
19h 52m
2 stops
Delta Logo
5:55 am - 11:39 pm
OPO
-
SJC
25h 44m
2 stops
$923Delta
Mon, Jul 13 - Thu, Jul 30
Delta Logo
9:45 am - 10:30 am
SJC
-
OPO
16h 45m
2 stops
Delta Logo
12:25 pm - 11:39 pm
OPO
-
SJC
19h 14m
2 stops
$924Delta
Tue, Jul 14 - Tue, Jul 28
Delta Logo
7:00 am - 3:25 pm
SJC
-
OPO
24h 25m
2 stops
Delta Logo
12:25 pm - 11:39 pm
OPO
-
SJC
19h 14m
2 stops
$928Delta
Tue, Jul 21 - Tue, Jul 28
United Airlines Logo
6:30 am - 6:55 am
SJC
-
OPO
16h 25m
2 stops
United Airlines Logo
11:50 am - 12:03 pm
OPO
-
SJC
32h 13m
2 stops
$933United Airlines
Wed, Jul 15 - Thu, Jul 30
Delta Logo
6:20 am - 10:30 am
SJC
-
OPO
20h 10m
2 stops
Delta Logo
5:55 am - 5:12 pm
OPO
-
SJC
19h 17m
2 stops
$952Delta
Mon, Jul 13 - Fri, Jul 31

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United Airlines flights from San Jose, California to Porto

Our best United Airlines deals on San Jose, California to Porto flight tickets
United Airlines
Jul 13
SJC6:37 pmSan Jose
27h 38m
2 stops
OPO6:15 amPorto
Jul 28
OPO12:15 pmPorto
37h 20m
2 stops
SJC5:35 pmSan Jose
$904
United Airlines
Aug 18
SJC12:51 pmSan Jose
34h 04m
2 stops
OPO6:55 amPorto
Aug 23
OPO12:15 pmPorto
55h 31m
2 stops
SJC11:46 amSan Jose
$919
United Airlines
Jul 15
SJC6:30 amSan Jose
16h 25m
2 stops
OPO6:55 amPorto
Jul 30
OPO11:50 amPorto
32h 13m
2 stops
SJC12:03 pmSan Jose
$933

Delta flights from San Jose, California to Porto

Our best Delta deals on San Jose, California to Porto flight tickets
Delta
Jul 14
SJC2:55 pmSan Jose
23h 10m
2 stops
OPO10:05 pmPorto
Jul 30
OPO5:00 amPorto
19h 04m
2 stops
SJC4:04 pmSan Jose
$916
Delta
Jul 13
SJC11:33 amSan Jose
19h 52m
2 stops
OPO3:25 pmPorto
Jul 30
OPO5:55 amPorto
25h 44m
2 stops
SJC11:39 pmSan Jose
$923
Delta
Jul 14
SJC9:45 amSan Jose
16h 45m
2 stops
OPO10:30 amPorto
Jul 28
OPO12:25 pmPorto
19h 14m
2 stops
SJC11:39 pmSan Jose
$924

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 June 9, 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 7/13

6:37 pm-6:15 am

2 stops27h 38m

Porto

Tue 7/28

12:15 pm-5:35 pm

2 stops37h 20m

$904

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 7/21

4:00 pm-7:00 am

2 stops31h 00m

Porto

Tue 7/28

12:15 pm-1:24 pm

2 stops33h 09m

$910

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 7/21

4:00 pm-7:00 am

2 stops31h 00m

Porto

Tue 7/28

12:15 pm-1:24 pm

2 stops33h 09m

$915

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 7/14

2:55 pm-10:05 pm

2 stops23h 10m

Porto

Thu 7/30

5:00 am-4:04 pm

2 stops19h 04m

$916

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 8/18

12:51 pm-6:55 am

2 stops34h 04m

Porto

Sun 8/23

12:15 pm-11:46 am

2 stops55h 31m

$919

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 7/13

11:33 am-3:25 pm

2 stops19h 52m

Porto

Thu 7/30

5:55 am-11:39 pm

2 stops25h 44m

$923
Quickest round-trip

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 7/14

9:45 am-10:30 am

2 stops16h 45m

Porto

Tue 7/28

12:25 pm-11:39 pm

2 stops19h 14m

$924

San JosePorto

SJC - OPO

SJCOPO

San Jose

Tue 7/21

7:00 am-3:25 pm

2 stops24h 25m

Porto

Tue 7/28

12:25 pm-11:39 pm

2 stops19h 14m

$928

San JosePorto

SJC - OPO

SJCOPO

San Jose

Wed 7/15

6:30 am-6:55 am

2 stops16h 25m

Porto

Thu 7/30

11:50 am-12:03 pm

2 stops32h 13m

$933

San JosePorto

SJC - OPO

SJCOPO

San Jose

Mon 7/13

6:20 am-10:30 am

2 stops20h 10m

Porto

Fri 7/31

5:55 am-5:12 pm

2 stops19h 17m

$952

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?

American Airlines, Delta, and Air Canada 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 44% 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 40m

Direct flights

None
The fastest flight from San Jose, California to Porto takes 19h 40m
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 40m.

  • 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
Lamego
Chaves
Esposende
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
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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