Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Oakland, California to Porto from $603

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 7/15. 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.
British Airways Logo
7:00 am - 8:35 pm
OAK
-
OPO
29h 35m
2 stops
British Airways Logo
9:25 pm - 10:55 pm
OPO
-
OAK
33h 30m
2 stops
$1,142British Airways
Sun, Oct 11 - Fri, Oct 16
KLM Logo
6:00 am - 10:15 pm
OAK
-
OPO
32h 15m
2 stops
KLM Logo
6:50 pm - 11:59 pm
OPO
-
OAK
37h 09m
2 stops
$1,202KLM
Wed, Sep 2 - Tue, Sep 8
Delta Logo
6:00 am - 3:30 pm
OAK
-
OPO
25h 30m
2 stops
Delta Logo
11:25 am - 11:56 pm
OPO
-
OAK
20h 31m
2 stops
$1,333Delta
Sun, Jul 26 - Fri, Aug 7
Delta Logo
5:05 pm - 10:15 pm
OAK
-
OPO
21h 10m
2 stops
Delta Logo
5:00 am - 4:14 pm
OPO
-
OAK
19h 14m
2 stops
$1,338Delta
Wed, Jul 29 - Thu, Aug 6
Delta Logo
5:30 pm - 10:00 pm
OAK
-
OPO
44h 30m
2 stops
Delta Logo
11:25 am - 11:56 pm
OPO
-
OAK
20h 31m
2 stops
$1,339Delta
Sat, Jul 25 - Fri, Aug 7
British Airways Logo
2:55 pm - 8:05 pm
OAK
-
OPO
21h 10m
2 stops
British Airways Logo
9:25 pm - 7:33 pm
OPO
-
OAK
30h 08m
2 stops
$1,369British Airways
Mon, Jul 27 - Mon, Aug 10
British Airways Logo
2:55 pm - 8:35 pm
OAK
-
OPO
45h 40m
2 stops
British Airways Logo
9:25 pm - 7:33 pm
OPO
-
OAK
30h 08m
2 stops
$1,375British Airways
Sat, Jul 25 - Mon, Aug 10
Delta Logo
5:05 pm - 3:30 pm
OAK
-
OPO
38h 25m
2 stops
Delta Logo
11:25 am - 11:56 pm
OPO
-
OAK
20h 31m
2 stops
$1,398Delta
Fri, Jul 24 - Fri, Aug 7
Delta Logo
6:00 am - 3:30 pm
OAK
-
OPO
25h 30m
2 stops
Delta Logo
5:00 am - 4:14 pm
OPO
-
OAK
19h 14m
2 stops
$1,403Delta
Sun, Jul 26 - Mon, Aug 10
Delta Logo
5:30 pm - 10:00 pm
OAK
-
OPO
44h 30m
2 stops
Delta Logo
11:45 am - 4:14 pm
OPO
-
OAK
36h 29m
2 stops
$1,408Delta
Sat, Jul 25 - Sun, Aug 9

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

KLM flights from Oakland, California to Porto

Our best KLM deals on Oakland, California to Porto flight tickets
KLM
Sep 2
OAK6:00 amOakland
32h 15m
2 stops
OPO10:15 pmPorto
Sep 8
OPO6:50 pmPorto
37h 09m
2 stops
OAK11:59 pmOakland
$1,202
KLM
Jun 19
OAK5:03 pmOakland
17h 07m
2 stops
OPO6:10 pmPorto
Jun 24
OPO5:00 amPorto
19h 23m
2 stops
OAK4:23 pmOakland
$1,721

British Airways flights from Oakland, California to Porto

Our best British Airways deals on Oakland, California to Porto flight tickets
British Airways
Oct 11
OAK7:00 amOakland
29h 35m
2 stops
OPO8:35 pmPorto
Oct 16
OPO9:25 pmPorto
33h 30m
2 stops
OAK10:55 pmOakland
$1,142
British Airways
Jul 27
OAK2:55 pmOakland
21h 10m
2 stops
OPO8:05 pmPorto
Aug 10
OPO9:25 pmPorto
30h 08m
2 stops
OAK7:33 pmOakland
$1,369
British Airways
Jul 25
OAK2:55 pmOakland
45h 40m
2 stops
OPO8:35 pmPorto
Aug 10
OPO9:25 pmPorto
30h 08m
2 stops
OAK7:33 pmOakland
$1,375

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 June 18, 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

Sun 10/11

7:00 am-8:35 pm

2 stops29h 35m

Porto

Fri 10/16

9:25 pm-10:55 pm

2 stops33h 30m

$1,142

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 9/2

6:00 am-10:15 pm

2 stops32h 15m

Porto

Tue 9/8

6:50 pm-11:59 pm

2 stops37h 09m

$1,202

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 7/26

6:00 am-3:30 pm

2 stops25h 30m

Porto

Fri 8/7

11:25 am-11:56 pm

2 stops20h 31m

$1,333
Quickest round-trip

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 7/29

5:05 pm-10:15 pm

2 stops21h 10m

Porto

Thu 8/6

5:00 am-4:14 pm

2 stops19h 14m

$1,338

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sat 7/25

5:30 pm-10:00 pm

2 stops44h 30m

Porto

Fri 8/7

11:25 am-11:56 pm

2 stops20h 31m

$1,339

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Mon 7/27

2:55 pm-8:05 pm

2 stops21h 10m

Porto

Mon 8/10

9:25 pm-7:33 pm

2 stops30h 08m

$1,369

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sat 7/25

2:55 pm-8:35 pm

2 stops45h 40m

Porto

Mon 8/10

9:25 pm-7:33 pm

2 stops30h 08m

$1,375

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Fri 7/24

5:05 pm-3:30 pm

2 stops38h 25m

Porto

Fri 8/7

11:25 am-11:56 pm

2 stops20h 31m

$1,398

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 7/26

6:00 am-3:30 pm

2 stops25h 30m

Porto

Mon 8/10

5:00 am-4:14 pm

2 stops19h 14m

$1,403

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sat 7/25

5:30 pm-10:00 pm

2 stops44h 30m

Porto

Sun 8/9

11:45 am-4:14 pm

2 stops36h 29m

$1,408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 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

17h 17m

Direct flights

None
The fastest flight from Oakland, California to Porto takes 17h 17m
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 17h 17m.

  • 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
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
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.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 7/18
Sat 7/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal