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Cheap flights from Oakland, California to Porto from $559

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 6/28. 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

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Find the cheapest flights from Oakland, California to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:00 am - 8:30 pm
OAK
-
OPO
30h 30m
2 stops
British Airways Logo
9:25 pm - 11:59 pm
OPO
-
OAK
34h 34m
2 stops
$1,107British Airways
qui, set 24 - seg, out 12
British Airways Logo
7:00 am - 7:30 pm
OAK
-
OPO
28h 30m
2 stops
British Airways Logo
8:55 pm - 7:33 pm
OPO
-
OAK
30h 38m
2 stops
$1,293British Airways
ter, jun 9 - ter, jun 23
British Airways Logo
1:01 pm - 8:05 pm
OAK
-
OPO
23h 04m
2 stops
British Airways Logo
8:55 pm - 7:33 pm
OPO
-
OAK
30h 38m
2 stops
$1,350British Airways
seg, jun 8 - ter, jun 23
British Airways Logo
1:01 pm - 8:05 pm
OAK
-
OPO
23h 04m
2 stops
British Airways Logo
9:25 pm - 7:33 pm
OPO
-
OAK
30h 08m
2 stops
$1,407British Airways
seg, jun 8 - seg, jun 22
British Airways Logo
7:00 am - 7:30 pm
OAK
-
OPO
28h 30m
2 stops
British Airways Logo
8:20 pm - 7:33 pm
OPO
-
OAK
31h 13m
2 stops
$1,417British Airways
ter, jun 9 - qua, jun 24
British Airways Logo
1:01 pm - 8:05 pm
OAK
-
OPO
23h 04m
2 stops
British Airways Logo
8:20 pm - 7:33 pm
OPO
-
OAK
31h 13m
2 stops
$1,474British Airways
seg, jun 8 - qua, jun 24
British Airways Logo
2:55 pm - 10:25 am
OAK
-
OPO
35h 30m
2 stops
British Airways Logo
8:55 pm - 7:33 pm
OPO
-
OAK
30h 38m
2 stops
$1,495British Airways
qua, jun 10 - ter, jun 23
British Airways Logo
7:00 am - 8:35 pm
OAK
-
OPO
29h 35m
2 stops
British Airways Logo
8:20 pm - 7:33 pm
OPO
-
OAK
31h 13m
2 stops
$1,541British Airways
dom, jun 7 - qua, jun 24
British Airways Logo
2:55 pm - 10:25 am
OAK
-
OPO
35h 30m
2 stops
British Airways Logo
9:25 pm - 7:33 pm
OPO
-
OAK
30h 08m
2 stops
$1,552British Airways
qua, jun 10 - seg, jun 22
British Airways Logo
7:00 am - 7:30 pm
OAK
-
OPO
28h 30m
2 stops
British Airways Logo
9:30 pm - 7:33 pm
OPO
-
OAK
30h 03m
2 stops
$1,565British Airways
ter, jun 9 - dom, jun 21

British Airways flights from Oakland, California to Porto

Our best British Airways deals on Oakland, California to Porto flight tickets
British Airways
Sep 24
OAK6:00 amOakland
30h 30m
2 stops
OPO8:30 pmPorto
Oct 12
OPO9:25 pmPorto
34h 34m
2 stops
OAK11:59 pmOakland
$1,107
British Airways
Jun 9
OAK7:00 amOakland
28h 30m
2 stops
OPO7:30 pmPorto
Jun 23
OPO8:55 pmPorto
30h 38m
2 stops
OAK7:33 pmOakland
$1,293
British Airways
Jun 8
OAK1:01 pmOakland
23h 04m
2 stops
OPO8:05 pmPorto
Jun 23
OPO8:55 pmPorto
30h 38m
2 stops
OAK7:33 pmOakland
$1,350

Delta flights from Oakland, California to Porto

Our best Delta deals on Oakland, California to Porto flight tickets
Delta
May 15
OAK12:28 pmOakland
21h 42m
2 stops
OPO6:10 pmPorto
May 22
OPO5:55 amPorto
26h 02m
2 stops
OAK11:57 pmOakland
$1,597
Delta
Jun 10
OAK12:33 pmOakland
38h 07m
2 stops
OPO10:40 amPorto
Jun 24
OPO5:55 amPorto
25h 59m
2 stops
OAK11:54 pmOakland
$1,611
Delta
Jun 7
OAK12:33 pmOakland
38h 07m
2 stops
OPO10:40 amPorto
Jun 20
OPO5:00 amPorto
24h 34m
2 stops
OAK9:34 pmOakland
$1,674

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 abril 2, 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

qui 9/24

6:00 am-8:30 pm

2 stops30h 30m

Porto

seg 10/12

9:25 pm-11:59 pm

2 stops34h 34m

$1,107

OaklandPorto

OAK - OPO

OAKOPO

Oakland

ter 6/9

7:00 am-7:30 pm

2 stops28h 30m

Porto

ter 6/23

8:55 pm-7:33 pm

2 stops30h 38m

$1,293

OaklandPorto

OAK - OPO

OAKOPO

Oakland

seg 6/8

1:01 pm-8:05 pm

2 stops23h 04m

Porto

ter 6/23

8:55 pm-7:33 pm

2 stops30h 38m

$1,350
Quickest round-trip

OaklandPorto

OAK - OPO

OAKOPO

Oakland

seg 6/8

1:01 pm-8:05 pm

2 stops23h 04m

Porto

seg 6/22

9:25 pm-7:33 pm

2 stops30h 08m

$1,407

OaklandPorto

OAK - OPO

OAKOPO

Oakland

ter 6/9

7:00 am-7:30 pm

2 stops28h 30m

Porto

qua 6/24

8:20 pm-7:33 pm

2 stops31h 13m

$1,417

OaklandPorto

OAK - OPO

OAKOPO

Oakland

seg 6/8

1:01 pm-8:05 pm

2 stops23h 04m

Porto

qua 6/24

8:20 pm-7:33 pm

2 stops31h 13m

$1,474

OaklandPorto

OAK - OPO

OAKOPO

Oakland

qua 6/10

2:55 pm-10:25 am

2 stops35h 30m

Porto

ter 6/23

8:55 pm-7:33 pm

2 stops30h 38m

$1,495

OaklandPorto

OAK - OPO

OAKOPO

Oakland

dom 6/7

7:00 am-8:35 pm

2 stops29h 35m

Porto

qua 6/24

8:20 pm-7:33 pm

2 stops31h 13m

$1,541

OaklandPorto

OAK - OPO

OAKOPO

Oakland

qua 6/10

2:55 pm-10:25 am

2 stops35h 30m

Porto

seg 6/22

9:25 pm-7:33 pm

2 stops30h 08m

$1,552

OaklandPorto

OAK - OPO

OAKOPO

Oakland

ter 6/9

7:00 am-7:30 pm

2 stops28h 30m

Porto

dom 6/21

9:30 pm-7:33 pm

2 stops30h 03m

$1,565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

KLM, Delta, and British Airways 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

19h 02m

Direct flights

None
The fastest flight from Oakland, California to Porto takes 19h 02m
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 19h 02m.

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