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

Prices for flights from Oakland Airport to Portugal are updated daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents required for your trip to Portugal 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 Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$371 Cheap Flights from Oakland, California to Portugal in 2026

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Find the cheapest flights from Oakland, California to Portugal

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 pm - 8:00 am

OAK

LIS

31h 55m

2 stops

11:25 am - 4:32 pm

LIS

OAK

37h 07m

2 stops

$808Delta

Sat, Oct 31 - Wed, Nov 18

5:05 pm - 8:00 am

OAK

LIS

31h 55m

2 stops

5:30 am - 11:56 pm

LIS

OAK

26h 26m

2 stops

$815Delta

Sat, Oct 31 - Thu, Nov 12

5:05 pm - 8:00 am

OAK

LIS

31h 55m

2 stops

11:15 am - 11:56 pm

LIS

OAK

20h 41m

2 stops

$819Delta

Sat, Oct 31 - Fri, Nov 13

5:05 pm - 8:00 am

OAK

LIS

55h 55m

2 stops

11:25 am - 11:56 pm

LIS

OAK

44h 31m

2 stops

$820Delta

Fri, Oct 30 - Mon, Nov 16

1:15 pm - 6:20 pm

OAK

OPO

21h 05m

2 stops

5:00 am - 11:56 pm

OPO

OAK

26h 56m

2 stops

$823Delta

Wed, Oct 21 - Wed, Nov 4

5:05 pm - 8:00 am

OAK

LIS

55h 55m

2 stops

5:30 am - 11:56 pm

LIS

OAK

26h 26m

2 stops

$827Delta

Fri, Oct 30 - Thu, Nov 12

5:05 pm - 10:15 pm

OAK

OPO

21h 10m

2 stops

5:00 am - 11:49 pm

OPO

OAK

26h 49m

2 stops

$1,242KLM

Sun, Jul 12 - Wed, Aug 12

6:22 am - 8:35 pm

OAK

OPO

30h 13m

2 stops

8:20 pm - 7:33 pm

OPO

OAK

31h 13m

2 stops

$1,344Multiple Airlines

Sun, Jul 12 - Wed, Aug 12

7:52 am - 11:05 am

OAK

PDL

44h 13m

2 stops

4:30 pm - 10:56 pm

PDL

OAK

37h 26m

2 stops

$2,415Multiple Airlines

Mon, Jul 20 - Sat, Jul 25

10:22 am - 11:05 am

OAK

PDL

41h 43m

2 stops

4:30 pm - 10:56 pm

PDL

OAK

37h 26m

2 stops

$2,462British Airways

Mon, Jul 20 - Sat, Jul 25

Delta flights from Oakland, California to Portugal

Our best Delta deals on Oakland, California to Portugal flight tickets

Delta

Oct 31

OAK5:05 pmOakland

31h 55m

2 stops

LIS8:00 amLisbon Humberto Delgado

Nov 18

LIS11:25 amLisbon Humberto Delgado

37h 07m

2 stops

OAK4:32 pmOakland

$808

Delta

Oct 31

OAK5:05 pmOakland

31h 55m

2 stops

LIS8:00 amLisbon Humberto Delgado

Nov 12

LIS5:30 amLisbon Humberto Delgado

26h 26m

2 stops

OAK11:56 pmOakland

$815

Delta

Oct 31

OAK5:05 pmOakland

31h 55m

2 stops

LIS8:00 amLisbon Humberto Delgado

Nov 13

LIS11:15 amLisbon Humberto Delgado

20h 41m

2 stops

OAK11:56 pmOakland

$819

KLM flights from Oakland, California to Portugal

Our best KLM deals on Oakland, California to Portugal flight tickets

KLM

Jul 12

OAK5:05 pmOakland

21h 45m

2 stops

LIS10:50 pmLisbon Humberto Delgado

Aug 8

LIS10:00 amLisbon Humberto Delgado

20h 04m

2 stops

OAK10:04 pmOakland

$1,050

KLM

Jul 12

OAK5:05 pmOakland

21h 10m

2 stops

OPO10:15 pmPorto

Aug 12

OPO5:00 amPorto

26h 49m

2 stops

OAK11:49 pmOakland

$1,242

KLM

May 20

OAK12:28 pmOakland

26h 22m

2 stops

LIS10:50 pmLisbon Humberto Delgado

May 25

LIS7:45 pmLisbon Humberto Delgado

28h 40m

2 stops

OAK4:25 pmOakland

$1,352

momondo Fare Finder

Use the filters below to find and compare flights from Oakland, California to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sat 10/31

5:05 pm-8:00 am

2 stops31h 55m

Lisbon Humberto Delgado

Wed 11/18

11:25 am-4:32 pm

2 stops37h 07m

$808

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sat 10/31

5:05 pm-8:00 am

2 stops31h 55m

Lisbon Humberto Delgado

Thu 11/12

5:30 am-11:56 pm

2 stops26h 26m

$815

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sat 10/31

5:05 pm-8:00 am

2 stops31h 55m

Lisbon Humberto Delgado

Fri 11/13

11:15 am-11:56 pm

2 stops20h 41m

$819

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Fri 10/30

5:05 pm-8:00 am

2 stops55h 55m

Lisbon Humberto Delgado

Mon 11/16

11:25 am-11:56 pm

2 stops44h 31m

$820

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Wed 10/21

1:15 pm-6:20 pm

2 stops21h 05m

Porto

Wed 11/4

5:00 am-11:56 pm

2 stops26h 56m

$823

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Fri 10/30

5:05 pm-8:00 am

2 stops55h 55m

Lisbon Humberto Delgado

Thu 11/12

5:30 am-11:56 pm

2 stops26h 26m

$827

Quickest round-trip

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 7/12

5:05 pm-10:15 pm

2 stops21h 10m

Porto

Wed 8/12

5:00 am-11:49 pm

2 stops26h 49m

$1,242

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sun 7/12

6:22 am-8:35 pm

2 stops30h 13m

Porto

Wed 8/12

8:20 pm-7:33 pm

2 stops31h 13m

$1,344

OaklandPonta Delgada

OAK - PDL

OAKPDL

Oakland

Mon 7/20

7:52 am-11:05 am

2 stops44h 13m

Ponta Delgada Nordela

Sat 7/25

4:30 pm-10:56 pm

2 stops37h 26m

$2,415

OaklandPonta Delgada

OAK - PDL

OAKPDL

Oakland

Mon 7/20

10:22 am-11:05 am

2 stops41h 43m

Ponta Delgada Nordela

Sat 7/25

4:30 pm-10:56 pm

2 stops37h 26m

$2,462

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oakland, California to Portugal

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 Portugal?

British Airways, Delta, and KLM are the most popular carriers operating from Oakland to Portugal

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and Air Canada are the top three most popular airlines that fly to Portugal from Oakland, California according to our data. TAP AIR PORTUGAL is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 16 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Cheap Oakland, California to Portugal flight deals and tips

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

Fastest flight time	20h 50m
Direct flights	None

The fastest flight from Oakland, California to Portugal takes 20h 50m

There are no direct flights from Oakland, California to Portugal. There are no popular flight routes from Oakland, California to Portugal.

Search flight deals

Frequently asked questions about flying from Oakland, California to Portugal

When did momondo last update prices for flights from Oakland Airport to Portugal?
Prices for flights from Oakland Airport to Portugal are updated daily.
How old do you have to be to fly from Oakland Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oakland Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal 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 Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Oakland to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Oakland to Portugal. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Portugal from Oakland with this policy.

How can momondo help me find flights from Oakland to Portugal?

momondo helps you find the best flight between Oakland and Portugal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Oakland to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal 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.

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Popular cities

Other flights from Oakland, California

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $434

Flights to Portofrom $438

Flights to Funchalfrom $620

Flights to Farofrom $621

Flights to Ponta Delgadafrom $610

Flights to Lajesfrom $621

Flights to Pico Islandfrom $663

Flights to Hortafrom $866

Flights to Porto Santofrom $1,061

Flights to Velasfrom $771

Cheap flights from Oakland, California to Portugal from $371

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 Portugal departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Oakland, California to Portugal

Cheap round-trip flights

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Delta flights from Oakland, California to Portugal

Our best Delta deals on Oakland, California to Portugal flight tickets

KLM flights from Oakland, California to Portugal

Our best KLM deals on Oakland, California to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Oakland, California to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Oakland, California to Portugal

What is the cheapest airline that flies from Oakland to Portugal?

What airlines fly to Portugal?

Cheap Oakland, California to Portugal flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Oakland, California to Portugal

Why use momondo?

An easier way to manage your Portugal 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Oakland, California flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year