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Portugal

$371+ Cheap flights from Oakland, CA (OAK) to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — LIS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Oakland to Portugal

Keep the following information in mind while searching for Oakland to Portugal flight deals. Data was last updated June 12, 2025.

Round-trip from

$670
(Delta)

One-way from

$371
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,110
From Oakland to Portugal
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One-way flight from Oakland to Portugal
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Oakland to Portugal

Cheapest flights from Oakland to Portugal
Explore the most affordable flight options available from Oakland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:00 amOAK - LIS
2 stops20h 45mDelta
Tue 8/2612:45 pmLIS - OAK
2 stops18h 01mDelta
Deal found 6/10$670
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:30 amOAK - LIS
2 stops27h 15mMultiple Airlines
Sun 1/117:05 amLIS - OAK
2 stops24h 33mMultiple Airlines
Deal found 6/11$713
This Air France deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:00 amOAK - LIS
2 stops20h 45mAir France
Tue 9/26:50 pmLIS - OAK
2 stops29h 26mAir France
Deal found 6/10$781
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:09 pmOAK - PDL
3 stops43h 36mMultiple Airlines
Mon 9/156:15 pmPDL - OAK
2 stops36h 24mMultiple Airlines
Deal found 6/10$1,043
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:30 pmOAK - LIS
2 stops24h 35mBritish Airways
Wed 10/111:00 amLIS - OAK
2 stops19h 03mBritish Airways
Deal found 6/10$1,106
This KAYAK deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/92:38 pmOAK - LIS
2 stops22h 42mIcelandair
Sun 8/1710:20 pmLIS - OAK
2 stops31h 46mIcelandair
Deal found 6/10$1,236
This Finnair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/132:38 pmOAK - LIS
2 stops41h 02mFinnair
Sun 8/174:30 pmLIS - OAK
2 stops39h 29mFinnair
Deal found 6/11$1,250
This Rumbo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:00 amOAK - OPO
2 stops42h 25mMultiple Airlines
Sat 8/27:05 pmOPO - OAK
2 stops29h 09mMultiple Airlines
Deal found 6/11$1,291
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:30 amOAK - TER
3 stops39h 50mMultiple Airlines
Mon 10/137:05 amTER - OAK
3 stops23h 34mMultiple Airlines
Deal found 6/10$1,388
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:00 amOAK - OPO
2 stops25h 35mKLM
Fri 8/111:25 amOPO - OAK
2 stops20h 30mKLM
Deal found 6/10$1,572
This British Airways deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/142:38 pmOAK - PDL
2 stops37h 27mBritish Airways
Wed 7/2312:10 pmPDL - OAK
2 stops40h 56mBritish Airways
Deal found 6/11$2,206
This Orbitz deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:56 pmOAK - FAO
2 stops54h 24mMultiple Airlines
Sun 10/197:10 pmFAO - OAK
2 stops31h 16mMultiple Airlines
Deal found 6/10$2,332

Cheapflights Fare Finder

Customize your flight search to find flights from Oakland to Portugal 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Oakland to Portugal that are best for you.

Fly from

Oakland

Fly to

Portugal

Route

Depart

Return

Price

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Tue 8/19

6:00 am-10:45 am

2 stops20h 45m

Lisbon Humberto Delgado

Tue 8/26

12:45 pm-10:46 pm

2 stops18h 01m

$670

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Tue 8/26

6:00 am-10:45 am

2 stops20h 45m

Lisbon Humberto Delgado

Tue 9/2

6:50 pm-4:16 pm

2 stops29h 26m

$781

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Wed 8/27

4:58 pm-6:40 pm

2 stops17h 42m

Lisbon Humberto Delgado

Tue 9/2

6:50 pm-4:16 pm

2 stops29h 26m

$820

OaklandPonta Delgada

OAK - PDL

OAKPDL

Oakland

Mon 9/1

9:09 pm-11:45 pm

3 stops43h 36m

Ponta Delgada Nordela

Mon 9/15

6:15 pm-11:39 pm

2 stops36h 24m

$1,043

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Thu 9/18

2:30 pm-11:05 pm

2 stops24h 35m

Lisbon Humberto Delgado

Wed 10/1

11:00 am-10:03 pm

2 stops19h 03m

$1,106

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sat 8/9

2:38 pm-9:20 pm

2 stops22h 42m

Lisbon Humberto Delgado

Sun 8/17

10:20 pm-10:06 pm

2 stops31h 46m

$1,236

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Wed 8/13

2:38 pm-3:40 pm

2 stops41h 02m

Lisbon Humberto Delgado

Sun 8/17

4:30 pm-11:59 pm

2 stops39h 29m

$1,250

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Sat 7/26

6:00 am-8:25 am

2 stops42h 25m

Porto

Sat 8/2

7:05 pm-4:14 pm

2 stops29h 09m

$1,291

OaklandLajes

OAK - TER

OAKTER

Oakland

Sun 9/14

7:30 am-6:20 am

3 stops39h 50m

Lajes

Mon 10/13

7:05 am-11:39 pm

3 stops23h 34m

$1,388

OaklandPorto

OAK - OPO

OAKOPO

Oakland

Fri 7/25

6:00 am-3:35 pm

2 stops25h 35m

Porto

Fri 8/1

11:25 am-11:55 pm

2 stops20h 30m

$1,572

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 results
1
2
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Best time to book a flight from Oakland to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to Portugal

What is the cheapest month to book a flight from Oakland, California to Portugal?

Currently, January is the cheapest month in which you can book a flight from Oakland, California to Portugal (average of $612). Flying from Oakland, California to Portugal in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OAK to PT?

Find hourly flight availability from Oakland to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oakland, California to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Oakland to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Icelandair
7.0
Good
499 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oakland to Portugal?

    If you book a flight to Portugal from Oakland, you will be flying from Oakland, which is the city’s only airport. Oakland (OAK) is located 7.0 mi from the center of Oakland.

  • What are the cheapest airlines to fly from Oakland, California to Portugal one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $455. However, be on the lookout for offers from Icelandair and Air France, as they are both options that can get you from Oakland, California to Portugal for a low price.

  • What are the most popular routes from Oakland, California to Portugal?

    The most popular flight routes from Oakland, California to Portugal are Oakland - Lisbon Humberto Delgado, Oakland - Ponta Delgada Nordela and Oakland - Porto.

  • Can I find deals for flights from Oakland to Portugal that include hotel bookings?

    Yes. In addition to deals on Oakland to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Portugal.

  • Can I find deals for business class flights from Oakland to Portugal?

    Yes. Cheapflights offers flight deals from Oakland to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oakland, California to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Portugal (average of $612). Flying from Oakland, California to Portugal in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Oakland to Portugal

Discover the top 2 airlines that operate flights from Oakland to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$962Average$1,310FlexibilityNo cancel feeOn-timeN/A
Azores AirlinesCheapest$1,226Average$1,379FlexibilityNo cancel feeOn-time74%

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