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$421+ Cheap flights from Oakland, CA (OAK) to Lisbon (LIS)

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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — LIS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Oakland to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$595
(Delta)

One-way from

$421
(Ovago)

Popular in

December

Cheapest in

January

Average price

$953
From Oakland to Lisbon Humberto Delgado
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One-way flight from Oakland to Lisbon Humberto Delgado
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Oakland to Lisbon

Cheapest flights from Oakland to Lisbon
Explore the most affordable flight options available from Oakland to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 10/265:55 amOAK - LIS
2 stops43h 05mDelta
Fri 11/711:15 amLIS - OAK
2 stops20h 38mDelta
Deal found 7/28$595

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Lisbon 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 July 29, 2025.
Use the filters below to find and compare flights from Oakland to Lisbon that are best for you.

Fly from

Oakland

Fly to

Lisbon

Route

Depart

Return

Price

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 10/26

12:30 pm-8:00 am

2 stops36h 30m

Lisbon Humberto Delgado

Thu 11/6

11:15 am-11:53 pm

2 stops20h 38m

$595

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Mon 10/27

2:49 pm-9:50 am

2 stops36h 01m

$421

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 11/2

5:55 am-8:00 am

2 stops18h 05m

$455

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 8/10

12:30 pm-6:40 pm

2 stops22h 10m

$584

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Sun 8/10

11:59 pm-7:15 pm

3 stops35h 16m

$657

OaklandLisbon

OAK - LIS

OAKLIS

Oakland

Wed 10/15

11:03 am-9:20 pm

2 stops26h 17m

$864

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Oakland to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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 Lisbon

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

Currently, January is the cheapest month in which you can book a flight from Oakland, California to Lisbon (average of $612). Flying from Oakland, California to Lisbon in June is currently the most expensive (average of $1,129). 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 LIS?

Find hourly flight availability from Oakland to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

One of the essential ways to save on airfare from Oakland, California to Lisbon is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Icelandair from Oakland to Lisbon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
521 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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.
British Airways
6.6
Okay
7,208 reviews
Delta
8.0
Very good
7,979 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Oakland, California to Lisbon round-trip?

    Flying on Delta is currently your cheapest option to Lisbon, with prices starting at $595.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $421. Delta flights start at $455 while deals on KLM start at $584 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland to Lisbon 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 Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Lisbon (average of $612). Flying from Oakland, California to Lisbon in June is currently the most expensive (average of $1,129). 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.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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