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Cheap flights from Oakland, California to Porto from $662

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 3/26. 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.
Scandinavian Airlines Logo
5:55 am - 3:25 pm
OAK
-
OPO
25h 30m
2 stops
Scandinavian Airlines Logo
4:20 pm - 4:26 pm
OPO
-
OAK
32h 06m
2 stops
$1,014Scandinavian Airlines
Mon, Apr 27 - Sat, May 9
Scandinavian Airlines Logo
5:55 am - 10:30 pm
OAK
-
OPO
32h 35m
2 stops
Scandinavian Airlines Logo
6:15 am - 4:31 pm
OPO
-
OAK
18h 16m
2 stops
$1,520Scandinavian Airlines
Mon, Jun 15 - Tue, Jun 23
Multiple Airlines Logo
11:30 pm - 7:20 pm
OAK
-
OPO
35h 50m
3 stops
Multiple Airlines Logo
8:10 pm - 9:44 pm
OPO
-
OAK
33h 34m
3 stops
$1,543Multiple Airlines
Mon, Apr 27 - Sat, May 9
Delta Logo
5:05 pm - 10:15 pm
OAK
-
OPO
21h 10m
2 stops
Delta Logo
11:30 am - 11:49 pm
OPO
-
OAK
20h 19m
2 stops
$1,588Delta
Mon, Jun 15 - Tue, Jun 23
KLM Logo
5:55 am - 6:10 pm
OAK
-
OPO
28h 15m
2 stops
KLM Logo
7:10 pm - 4:31 pm
OPO
-
OAK
29h 21m
2 stops
$1,591KLM
Mon, Jun 15 - Wed, Jun 24
Delta Logo
5:05 pm - 10:15 pm
OAK
-
OPO
21h 10m
2 stops
Delta Logo
11:45 am - 11:49 pm
OPO
-
OAK
20h 04m
2 stops
$1,678Delta
Mon, Jun 15 - Wed, Jun 24
Multiple Airlines Logo
7:00 am - 11:30 pm
OAK
-
OPO
32h 30m
2 stops
Multiple Airlines Logo
10:45 am - 6:56 pm
OPO
-
OAK
40h 11m
2 stops
$1,726Multiple Airlines
Tue, Jun 16 - Wed, Jun 24
Delta Logo
1:15 pm - 10:15 pm
OAK
-
OPO
25h 00m
2 stops
Delta Logo
11:30 am - 11:49 pm
OPO
-
OAK
20h 19m
2 stops
$1,768Delta
Sun, Jun 14 - Tue, Jun 23
Delta Logo
1:15 pm - 10:15 pm
OAK
-
OPO
25h 00m
2 stops
Delta Logo
11:30 am - 11:49 pm
OPO
-
OAK
20h 19m
2 stops
$2,151Delta
Tue, Jun 16 - Tue, Jun 23
Delta Logo
1:15 pm - 10:15 pm
OAK
-
OPO
25h 00m
2 stops
Delta Logo
5:00 am - 11:49 pm
OPO
-
OAK
26h 49m
2 stops
$2,241Delta
Tue, Jun 16 - Wed, Jun 24

Scandinavian Airlines flights from Oakland, California to Porto

Our best Scandinavian Airlines deals on Oakland, California to Porto flight tickets
Scandinavian Airlines
Apr 27
OAK5:55 amOakland
25h 30m
2 stops
OPO3:25 pmPorto
May 9
OPO4:20 pmPorto
32h 06m
2 stops
OAK4:26 pmOakland
$1,014
Scandinavian Airlines
Jun 15
OAK5:55 amOakland
32h 35m
2 stops
OPO10:30 pmPorto
Jun 23
OPO6:15 amPorto
18h 16m
2 stops
OAK4:31 pmOakland
$1,520

Delta flights from Oakland, California to Porto

Our best Delta deals on Oakland, California to Porto flight tickets
Delta
Jun 15
OAK5:05 pmOakland
21h 10m
2 stops
OPO10:15 pmPorto
Jun 23
OPO11:30 amPorto
20h 19m
2 stops
OAK11:49 pmOakland
$1,588
Delta
Jun 15
OAK5:05 pmOakland
21h 10m
2 stops
OPO10:15 pmPorto
Jun 24
OPO11:45 amPorto
20h 04m
2 stops
OAK11:49 pmOakland
$1,678
Delta
Jun 14
OAK1:15 pmOakland
25h 00m
2 stops
OPO10:15 pmPorto
Jun 23
OPO11:30 amPorto
20h 19m
2 stops
OAK11:49 pmOakland
$1,768

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 February 15, 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

Mon 4/27

5:55 am-3:25 pm

2 stops25h 30m

Porto

Sat 5/9

4:20 pm-4:26 pm

2 stops32h 06m

$1,014

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 6/15

5:55 am-10:30 pm

2 stops32h 35m

Porto

Tue 6/23

6:15 am-4:31 pm

2 stops18h 16m

$1,520

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 4/27

11:30 pm-7:20 pm

3 stops35h 50m

Porto

Sat 5/9

8:10 pm-9:44 pm

3 stops33h 34m

$1,543

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 6/15

5:05 pm-10:15 pm

2 stops21h 10m

Porto

Tue 6/23

11:30 am-11:49 pm

2 stops20h 19m

$1,588

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 6/15

5:55 am-6:10 pm

2 stops28h 15m

Porto

Wed 6/24

7:10 pm-4:31 pm

2 stops29h 21m

$1,591

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 6/15

5:05 pm-10:15 pm

2 stops21h 10m

Porto

Wed 6/24

11:45 am-11:49 pm

2 stops20h 04m

$1,678

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 6/16

7:00 am-11:30 pm

2 stops32h 30m

Porto

Wed 6/24

10:45 am-6:56 pm

2 stops40h 11m

$1,726

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 6/14

1:15 pm-10:15 pm

2 stops25h 00m

Porto

Tue 6/23

11:30 am-11:49 pm

2 stops20h 19m

$1,768

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 6/16

1:15 pm-10:15 pm

2 stops25h 00m

Porto

Tue 6/23

11:30 am-11:49 pm

2 stops20h 19m

$2,151

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Tue 6/16

1:15 pm-10:15 pm

2 stops25h 00m

Porto

Wed 6/24

5:00 am-11:49 pm

2 stops26h 49m

$2,241

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 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 39% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 11 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

18h 55m

Direct flights

None
The fastest flight from Oakland, California to Porto takes 18h 55m
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 18h 55m.

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