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.

$388 Cheap Flights from Oakland to Portugal in 2026

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Find the cheapest flights from Oakland, California to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:43 am - 3:35 pm

OAK

LIS

21h 52m

3 stops

11:05 am - 10:33 am

LIS

OAK

31h 28m

2 stops

$620Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

3:00 pm - 11:10 pm

OAK

LIS

24h 10m

2 stops

7:20 am - 10:32 pm

LIS

OAK

23h 12m

2 stops

$649Multiple Airlines

Fri, May 1 - Thu, May 7

5:55 am - 8:00 am

OAK

LIS

43h 05m

2 stops

12:15 pm - 11:46 pm

LIS

OAK

43h 31m

2 stops

$662Delta

Sun, Mar 22 - Tue, Mar 31

5:55 pm - 9:45 am

OAK

LIS

32h 50m

2 stops

11:55 am - 11:46 pm

LIS

OAK

43h 51m

2 stops

$670Delta

Sat, Mar 28 - Tue, Apr 7

5:55 am - 8:00 am

OAK

LIS

43h 05m

2 stops

11:55 am - 4:00 pm

LIS

OAK

36h 05m

2 stops

$678Delta

Sun, Mar 22 - Tue, Apr 7

2:09 pm - 11:15 pm

OAK

LIS

25h 06m

2 stops

6:45 pm - 10:32 pm

LIS

OAK

35h 47m

2 stops

$687British Airways

Wed, Apr 29 - Tue, May 5

5:55 am - 8:25 am

OAK

FAO

42h 30m

2 stops

6:50 pm - 4:12 pm

FAO

OAK

29h 22m

2 stops

$691KLM

Wed, Feb 25 - Sun, Mar 1

2:09 pm - 11:10 pm

OAK

LIS

25h 01m

2 stops

11:05 am - 9:53 am

LIS

OAK

30h 48m

2 stops

$692Multiple Airlines

Fri, Apr 24 - Sun, May 3

7:00 am - 7:05 pm

OAK

FAO

28h 05m

2 stops

8:00 pm - 5:45 pm

FAO

OAK

29h 45m

2 stops

$1,530British Airways

Wed, Apr 15 - Wed, Apr 22

2:09 pm - 12:50 pm

OAK

FAO

38h 41m

2 stops

1:50 pm - 10:32 pm

FAO

OAK

40h 42m

2 stops

$1,769Icelandair

Wed, Apr 22 - Tue, Apr 28

Delta flights from Oakland, California to Portugal

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

Delta

Mar 22

OAK5:55 amOakland

43h 05m

2 stops

LIS8:00 amLisbon Humberto Delgado

Mar 31

LIS12:15 pmLisbon Humberto Delgado

43h 31m

2 stops

OAK11:46 pmOakland

$662

Delta

Mar 28

OAK5:55 pmOakland

32h 50m

2 stops

LIS9:45 amLisbon Humberto Delgado

Apr 7

LIS11:55 amLisbon Humberto Delgado

43h 51m

2 stops

OAK11:46 pmOakland

$670

Delta

Mar 22

OAK5:55 amOakland

43h 05m

2 stops

LIS8:00 amLisbon Humberto Delgado

Apr 7

LIS11:55 amLisbon Humberto Delgado

36h 05m

2 stops

OAK4:00 pmOakland

$678

British Airways flights from Oakland, California to Portugal

Our best British Airways deals on Oakland, California to Portugal flight tickets

British Airways

Apr 29

OAK2:09 pmOakland

25h 06m

2 stops

LIS11:15 pmLisbon Humberto Delgado

May 5

LIS6:45 pmLisbon Humberto Delgado

35h 47m

2 stops

OAK10:32 pmOakland

$687

British Airways

Mar 24

OAK7:00 amOakland

43h 55m

2 stops

LIS9:55 amLisbon Humberto Delgado

Apr 8

LIS7:20 amLisbon Humberto Delgado

24h 23m

2 stops

OAK11:43 pmOakland

$763

British Airways

Mar 24

OAK7:00 amOakland

43h 55m

2 stops

LIS9:55 amLisbon Humberto Delgado

Apr 7

LIS4:30 pmLisbon Humberto Delgado

33h 16m

2 stops

OAK5:46 pmOakland

$793

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

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Tue 4/7

9:43 am-3:35 pm

3 stops21h 52m

Lisbon Humberto Delgado

Tue 4/14

11:05 am-10:33 am

2 stops31h 28m

$620

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Fri 5/1

3:00 pm-11:10 pm

2 stops24h 10m

Lisbon Humberto Delgado

Thu 5/7

7:20 am-10:32 pm

2 stops23h 12m

$649

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 3/22

5:55 am-8:00 am

2 stops43h 05m

Lisbon Humberto Delgado

Tue 3/31

12:15 pm-11:46 pm

2 stops43h 31m

$662

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sat 3/28

5:55 pm-9:45 am

2 stops32h 50m

Lisbon Humberto Delgado

Tue 4/7

11:55 am-11:46 pm

2 stops43h 51m

$670

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 3/22

5:55 am-8:00 am

2 stops43h 05m

Lisbon Humberto Delgado

Tue 4/7

11:55 am-4:00 pm

2 stops36h 05m

$678

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Wed 4/29

2:09 pm-11:15 pm

2 stops25h 06m

Lisbon Humberto Delgado

Tue 5/5

6:45 pm-10:32 pm

2 stops35h 47m

$687

OaklandFaro

OAK - FAO

OAKFAO

Oakland

Wed 2/25

5:55 am-8:25 am

2 stops42h 30m

Faro

Sun 3/1

6:50 pm-4:12 pm

2 stops29h 22m

$691

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Fri 4/24

2:09 pm-11:10 pm

2 stops25h 01m

Lisbon Humberto Delgado

Sun 5/3

11:05 am-9:53 am

2 stops30h 48m

$692

OaklandFaro

OAK - FAO

OAKFAO

Oakland

Wed 4/15

7:00 am-7:05 pm

2 stops28h 05m

Faro

Wed 4/22

8:00 pm-5:45 pm

2 stops29h 45m

$1,530

OaklandFaro

OAK - FAO

OAKFAO

Oakland

Wed 4/22

2:09 pm-12:50 pm

2 stops38h 41m

Faro

Tue 4/28

1:50 pm-10:32 pm

2 stops40h 42m

$1,769

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 and Delta 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 51% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 18 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	18h 50m
Direct flights	None

The fastest flight from Oakland, California to Portugal takes 18h 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

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.