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Cheap flights from Oakland, California to Porto from $368

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 2/6. 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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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.
Multiple Airlines Logo
9:53 am - 11:00 pm
OAK
-
OPO
29h 07m2 stops
Multiple Airlines Logo
6:20 am - 11:54 pm
OPO
-
OAK
25h 34m2 stops
$949Multiple Airlines
Wed, Apr 29 - Fri, May 15
Multiple Airlines Logo
7:00 am - 11:25 pm
OAK
-
OPO
32h 25m2 stops
Multiple Airlines Logo
4:35 pm - 10:21 am
OPO
-
OAK
49h 46m2 stops
$961Multiple Airlines
Sun, Apr 5 - Mon, Apr 13
Multiple Airlines Logo
5:55 am - 10:30 am
OAK
-
OPO
20h 35m2 stops
Multiple Airlines Logo
4:10 pm - 4:12 pm
OPO
-
OAK
32h 02m2 stops
$1,128Multiple Airlines
Sat, Feb 21 - Sat, Feb 28
British Airways Logo
10:24 am - 7:05 pm
OAK
-
OPO
24h 41m2 stops
British Airways Logo
8:40 pm - 6:56 pm
OPO
-
OAK
30h 16m2 stops
$1,945British Airways
Wed, Jun 24 - Tue, Jul 7
Delta Logo
12:35 pm - 6:10 pm
OAK
-
OPO
21h 35m2 stops
Delta Logo
5:00 am - 4:24 pm
OPO
-
OAK
19h 24m2 stops
$2,566Delta
Fri, Apr 3 - Tue, Apr 14
Delta Logo
12:35 pm - 6:10 pm
OAK
-
OPO
21h 35m2 stops
Delta Logo
5:00 am - 4:00 pm
OPO
-
OAK
19h 00m2 stops
$3,003Delta
Wed, Apr 1 - Sun, Apr 12
British Airways Logo
10:24 am - 7:50 pm
OAK
-
OPO
25h 26m2 stops
British Airways Logo
9:10 pm - 6:56 pm
OPO
-
OAK
29h 46m2 stops
$6,389British Airways
Mon, Jul 6 - Mon, Jul 13

British Airways flights from Oakland, California to Porto

Our best British Airways deals on Oakland, California to Porto flight tickets
British Airways
Jun 24
OAK10:24 amOakland
24h 41m
2 stops
OPO7:05 pmPorto
Jul 7
OPO8:40 pmPorto
30h 16m
2 stops
OAK6:56 pmOakland
$1,945
British Airways
Jul 6
OAK10:24 amOakland
25h 26m
2 stops
OPO7:50 pmPorto
Jul 13
OPO9:10 pmPorto
29h 46m
2 stops
OAK6:56 pmOakland
$6,389

Delta flights from Oakland, California to Porto

Our best Delta deals on Oakland, California to Porto flight tickets
Delta
Apr 3
OAK12:35 pmOakland
21h 35m
2 stops
OPO6:10 pmPorto
Apr 14
OPO5:00 amPorto
19h 24m
2 stops
OAK4:24 pmOakland
$2,566
Delta
Apr 1
OAK12:35 pmOakland
21h 35m
2 stops
OPO6:10 pmPorto
Apr 12
OPO5:00 amPorto
19h 00m
2 stops
OAK4:00 pmOakland
$3,003

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 January 8, 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

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 4/29

9:53 am-11:00 pm

2 stops29h 07m

Porto

Fri 5/15

6:20 am-11:54 pm

2 stops25h 34m

$949

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 4/5

7:00 am-11:25 pm

2 stops32h 25m

Porto

Mon 4/13

4:35 pm-10:21 am

2 stops49h 46m

$961

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sat 2/21

5:55 am-10:30 am

2 stops20h 35m

Porto

Sat 2/28

4:10 pm-4:12 pm

2 stops32h 02m

$1,128

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 6/24

10:24 am-7:05 pm

2 stops24h 41m

Porto

Tue 7/7

8:40 pm-6:56 pm

2 stops30h 16m

$1,945

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Fri 4/3

12:35 pm-6:10 pm

2 stops21h 35m

Porto

Tue 4/14

5:00 am-4:24 pm

2 stops19h 24m

$2,566

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 4/1

12:35 pm-6:10 pm

2 stops21h 35m

Porto

Sun 4/12

5:00 am-4:00 pm

2 stops19h 00m

$3,003

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 7/6

10:24 am-7:50 pm

2 stops25h 26m

Porto

Mon 7/13

9:10 pm-6:56 pm

2 stops29h 46m

$6,389

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Fri 2/6

8:10 am-12:10 pm

3 stops44h 00m

$368

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 4/21

5:55 am-10:05 pm

2 stops32h 10m

$523

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Fri 2/6

9:17 pm-6:50 am

2 stops49h 33m

$572

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 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 36% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 12 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

20h 35m

Direct flights

None
The fastest flight from Oakland, California to Porto takes 20h 35m
There are no direct flights from Oakland, California to Porto. There are no popular flight routes from Oakland, California to Porto.
Search flight deals

  • 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 20h 35m.

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