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

British Airways is the most popular carrier 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.

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.

$260 Cheap Flights from Oakland to Portugal in 2025/26

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Find the cheapest flights from Oakland, California to Portugal

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 am - 10:35 am

OAK

LIS

44h 40m2 stops

11:25 am - 4:14 pm

LIS

OAK

36h 49m2 stops

$491KLM

Wed, Jan 21 - Wed, Jan 28

5:55 am - 2:35 pm

OAK

LIS

24h 40m2 stops

11:25 am - 11:51 pm

LIS

OAK

44h 26m2 stops

$510Delta

Sun, Feb 15 - Mon, Feb 23

9:54 am - 2:55 pm

OAK

LIS

22h 01m3 stops

11:10 am - 10:08 am

LIS

OAK

29h 58m2 stops

$511Multiple Airlines

Mon, Mar 9 - Tue, Mar 17

4:54 pm - 10:35 am

OAK

LIS

57h 41m2 stops

11:25 am - 11:51 pm

LIS

OAK

44h 26m2 stops

$515Delta

Mon, Feb 16 - Tue, Feb 24

8:10 am - 5:40 pm

OAK

LIS

25h 30m2 stops

11:05 am - 9:46 am

LIS

OAK

30h 41m3 stops

$553Multiple Airlines

Wed, Jan 21 - Wed, Jan 28

8:10 am - 6:00 pm

OAK

LIS

25h 50m3 stops

10:40 am - 10:28 am

LIS

OAK

31h 48m2 stops

$557Multiple Airlines

Thu, Jan 29 - Sat, Feb 7

5:17 pm - 1:20 pm

OAK

LIS

36h 03m2 stops

5:00 am - 10:28 am

LIS

OAK

37h 28m2 stops

$580Multiple Airlines

Thu, Jan 29 - Sat, Feb 7

5:55 am - 2:35 pm

OAK

LIS

24h 40m2 stops

11:15 am - 11:55 am

LIS

OAK

32h 40m2 stops

$662Delta

Sun, Feb 15 - Sun, Feb 22

2:31 pm - 12:15 pm

OAK

FAO

37h 44m2 stops

1:55 pm - 10:06 pm

FAO

OAK

40h 11m2 stops

$1,849British Airways

Sat, Jun 6 - Fri, Jun 12

9:25 am - 12:30 pm

OAK

FAO

19h 05m2 stops

1:20 pm - 10:06 pm

FAO

OAK

40h 46m2 stops

$1,928British Airways

Fri, Jun 5 - Thu, Jun 11

KLM flights from Oakland, California to Portugal

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

KLM

Jan 21

OAK5:55 amOakland

44h 40m

2 stops

LIS10:35 amLisbon Humberto Delgado

Jan 28

LIS11:25 amLisbon Humberto Delgado

36h 49m

2 stops

OAK4:14 pmOakland

$491

Find similar

KLM

Jan 5

OAK5:55 amOakland

20h 35m

2 stops

OPO10:30 amPorto

Jan 11

OPO11:25 amPorto

36h 49m

2 stops

OAK4:14 pmOakland

$1,794

Find similar

Delta flights from Oakland, California to Portugal

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

Delta

Feb 15

OAK5:55 amOakland

24h 40m

2 stops

LIS2:35 pmLisbon Humberto Delgado

Feb 23

LIS11:25 amLisbon Humberto Delgado

44h 26m

2 stops

OAK11:51 pmOakland

$510

Find similar

Delta

Feb 16

OAK4:54 pmOakland

57h 41m

2 stops

LIS10:35 amLisbon Humberto Delgado

Feb 24

LIS11:25 amLisbon Humberto Delgado

44h 26m

2 stops

OAK11:51 pmOakland

$515

Find similar

Delta

Feb 15

OAK5:55 amOakland

24h 40m

2 stops

LIS2:35 pmLisbon Humberto Delgado

Feb 22

LIS11:15 amLisbon Humberto Delgado

32h 40m

2 stops

OAK11:55 amOakland

$662

Find similar

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

Wed 1/21

5:55 am-10:35 am

2 stops44h 40m

Lisbon Humberto Delgado

Wed 1/28

11:25 am-4:14 pm

2 stops36h 49m

$491

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 2/15

5:55 am-2:35 pm

2 stops24h 40m

Lisbon Humberto Delgado

Mon 2/23

11:25 am-11:51 pm

2 stops44h 26m

$510

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Mon 3/9

9:54 am-2:55 pm

3 stops22h 01m

Lisbon Humberto Delgado

Tue 3/17

11:10 am-10:08 am

2 stops29h 58m

$511

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Mon 2/16

4:54 pm-10:35 am

2 stops57h 41m

Lisbon Humberto Delgado

Tue 2/24

11:25 am-11:51 pm

2 stops44h 26m

$515

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Wed 1/21

8:10 am-5:40 pm

2 stops25h 30m

Lisbon Humberto Delgado

Wed 1/28

11:05 am-9:46 am

3 stops30h 41m

$553

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Thu 1/29

8:10 am-6:00 pm

3 stops25h 50m

Lisbon Humberto Delgado

Sat 2/7

10:40 am-10:28 am

2 stops31h 48m

$557

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Thu 1/29

5:17 pm-1:20 pm

2 stops36h 03m

Lisbon Humberto Delgado

Sat 2/7

5:00 am-10:28 am

2 stops37h 28m

$580

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 2/15

5:55 am-2:35 pm

2 stops24h 40m

Lisbon Humberto Delgado

Sun 2/22

11:15 am-11:55 am

2 stops32h 40m

$662

OaklandFaro

OAK - FAO

OAKFAO

Oakland

Sat 6/6

2:31 pm-12:15 pm

2 stops37h 44m

Faro

Fri 6/12

1:55 pm-10:06 pm

2 stops40h 11m

$1,849

OaklandFaro

OAK - FAO

OAKFAO

Oakland

Fri 6/5

9:25 am-12:30 pm

2 stops19h 05m

Faro

Thu 6/11

1:20 pm-10:06 pm

2 stops40h 46m

$1,928

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

Prices

Airlines

What is the cheapest day to depart on your flight to Portugal?

According to our data, Friday is the cheapest day to fly to Portugal from Oakland, California. The lowest ticket price found for a Friday departure recently was $735. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Monday, with ticket prices averaging around $989.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Oakland, California to Portugal during this time can be as low as $729. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,154 per ticket.

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	19h 24m
Direct flights	None

The fastest flight from Oakland, California to Portugal takes 19h 24m

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.
What is the most popular plane model from Oakland, California to Portugal?
momondo data reveals that the most frequently booked plane model on the route from Oakland, California to Portugal is Airbus A330, representing 100.00% of all bookings.

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.