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Cheap flights from Oakland, California to Porto from $560

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oakland, California to Porto departing on 8/3. 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 Oakland, California to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:05 pm
OAK
-
OPO
32h 05m
2 stops
Multiple Airlines Logo
11:35 am - 4:20 pm
OPO
-
OAK
36h 45m
2 stops
$1,009Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Delta Logo
12:33 pm - 3:30 pm
OAK
-
OPO
18h 57m
2 stops
Delta Logo
5:00 am - 4:20 pm
OPO
-
OAK
19h 20m
2 stops
$1,096Delta
Wed, Sep 2 - Tue, Sep 8
Delta Logo
6:00 am - 3:25 pm
OAK
-
OPO
25h 25m
2 stops
Delta Logo
6:30 am - 11:56 pm
OPO
-
OAK
25h 26m
2 stops
$1,234Delta
Tue, Aug 11 - Mon, Aug 17
British Airways Logo
2:15 pm - 8:40 pm
OAK
-
OPO
46h 25m
2 stops
British Airways Logo
9:25 pm - 10:55 pm
OPO
-
OAK
33h 30m
2 stops
$1,289British Airways
Fri, Sep 25 - Mon, Oct 5
Delta Logo
1:15 pm - 10:00 pm
OAK
-
OPO
48h 45m
2 stops
Delta Logo
11:15 am - 4:32 pm
OPO
-
OAK
37h 17m
2 stops
$1,419Delta
Tue, Dec 22 - Wed, Jan 6
Multiple Airlines Logo
6:22 am - 3:45 pm
OAK
-
OPO
25h 23m
2 stops
Multiple Airlines Logo
4:35 pm - 7:33 pm
OPO
-
OAK
34h 58m
2 stops
$1,480Multiple Airlines
Tue, Aug 11 - Mon, Aug 17
Delta Logo
1:15 pm - 10:00 pm
OAK
-
OPO
48h 45m
2 stops
Delta Logo
11:00 am - 11:56 pm
OPO
-
OAK
44h 56m
2 stops
$1,603Delta
Tue, Dec 22 - Thu, Dec 31
Delta Logo
5:55 am - 10:00 pm
OAK
-
OPO
32h 05m
2 stops
Delta Logo
11:15 am - 11:56 pm
OPO
-
OAK
44h 41m
2 stops
$1,813Delta
Sun, Dec 20 - Wed, Jan 6
Delta Logo
5:55 am - 10:00 pm
OAK
-
OPO
32h 05m
2 stops
Delta Logo
11:00 am - 11:56 pm
OPO
-
OAK
44h 56m
2 stops
$1,996Delta
Sun, Dec 20 - Thu, Dec 31
Delta Logo
1:15 pm - 10:00 pm
OAK
-
OPO
48h 45m
2 stops
Delta Logo
5:00 am - 11:56 pm
OPO
-
OAK
26h 56m
2 stops
$2,039Delta
Tue, Dec 22 - Fri, Jan 1

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Delta flights from Oakland, California to Porto

Our best Delta deals on Oakland, California to Porto flight tickets
Delta
Sep 2
OAK6:00 amOakland
25h 25m
2 stops
OPO3:25 pmPorto
Sep 9
OPO5:00 amPorto
19h 20m
2 stops
OAK4:20 pmOakland
$1,121
Delta
Aug 11
OAK6:00 amOakland
25h 25m
2 stops
OPO3:25 pmPorto
Aug 17
OPO6:30 amPorto
25h 26m
2 stops
OAK11:56 pmOakland
$1,234
Delta
Dec 22
OAK1:15 pmOakland
48h 45m
2 stops
OPO10:00 pmPorto
Jan 6
OPO11:15 amPorto
37h 17m
2 stops
OAK4:32 pmOakland
$1,419

momondo Fare Finder

 
Customize your flight search to find flights from Oakland, 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 19, 2026.
Use the filters below to find and compare flights from Oakland, California to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 9/1

6:00 am-10:05 pm

2 stops32h 05m

Porto

Tue 9/8

11:35 am-4:20 pm

2 stops36h 45m

$1,009
Quickest round-trip

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 9/2

12:33 pm-3:30 pm

2 stops18h 57m

Porto

Tue 9/8

5:00 am-4:20 pm

2 stops19h 20m

$1,096

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 8/11

6:00 am-3:25 pm

2 stops25h 25m

Porto

Mon 8/17

6:30 am-11:56 pm

2 stops25h 26m

$1,234

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Fri 9/25

2:15 pm-8:40 pm

2 stops46h 25m

Porto

Mon 10/5

9:25 pm-10:55 pm

2 stops33h 30m

$1,289

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 12/22

1:15 pm-10:00 pm

2 stops48h 45m

Porto

Wed 1/6

11:15 am-4:32 pm

2 stops37h 17m

$1,419

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 8/11

6:22 am-3:45 pm

2 stops25h 23m

Porto

Mon 8/17

4:35 pm-7:33 pm

2 stops34h 58m

$1,480

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 12/22

1:15 pm-10:00 pm

2 stops48h 45m

Porto

Thu 12/31

11:00 am-11:56 pm

2 stops44h 56m

$1,603

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 12/20

5:55 am-10:00 pm

2 stops32h 05m

Porto

Wed 1/6

11:15 am-11:56 pm

2 stops44h 41m

$1,813

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 12/20

5:55 am-10:00 pm

2 stops32h 05m

Porto

Thu 12/31

11:00 am-11:56 pm

2 stops44h 56m

$1,996

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 12/22

1:15 pm-10:00 pm

2 stops48h 45m

Porto

Fri 1/1

5:00 am-11:56 pm

2 stops26h 56m

$2,039

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 Oakland, 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 Oakland to Porto?

Air France, KLM, and Delta are the most popular carriers operating from Oakland 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 Oakland, California according to our data. TAP AIR PORTUGAL is the first choice among our users, with 42% 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 Oakland, California to Porto

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

Cheap Oakland, California to Porto (OAK to OPO) flight deals and tips

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

Fastest flight time

25h 23m

Direct flights

None
The fastest flight from Oakland, California to Porto takes 25h 23m
There are no direct flights from Oakland, California to Porto. There are no popular flight routes from Oakland, California to Porto.
Search flight deals

Frequently asked questions about flying from Oakland, California to Porto

  • How far is Oakland to Porto by plane?

    Oakland and Porto are 5558.9 mi apart from one another. A reasonable flight in good conditions will take 25h 23m.

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

    Prices for flights from Oakland Airport to Porto Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Porto Airport.

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

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Esposende
Chaves
Pinhao
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 Oakland to Porto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Oakland to Porto for you.

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

All flight searches from Oakland to Porto on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Oakland 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 Oakland to Porto.

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

Yes. momondo can track prices for Oakland 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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