$530+ Cheap flights from Oakland, CA (OAK) to Porto (OPO)
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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — OPO
May 19 — May 261
1 adult, Economy
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Find cheap flights from Oakland to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oakland to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Porto (OPO). 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 May 14, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,143 (Mytrip) |
One-way from | $530 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,094 |
Find flight deals from Oakland to Porto
Cheapest flights from Oakland to PortoExplore the most affordable flight options available from Oakland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.
Explore the most affordable flight options available from Oakland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.
This Mytrip deal was found by Cheapflights users on 5/14. 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.
Sat 5/315:45 amOAK - OPO
3 stops30h 40mMultiple Airlines
Fri 6/66:10 amOPO - OAK
3 stops46h 04mMultiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,143
This Delta deal was found by Cheapflights users on 5/14. 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.
Mon 6/236:00 amOAK - OPO
2 stops25h 30mDelta
Wed 7/99:20 amOPO - OAK
2 stops38h 54mDelta
Deal found 5/14![Delta logo]()
$1,176
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland to Porto 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 May 14, 2025.
Use the filters below to find and compare flights from Oakland to Porto that are best for you.
Fly from
Oakland
Fly to
Porto
Route
Depart
Return
Price
OaklandPorto
OAK - OPO
OAKOPO
Oakland
Sat 5/31
5:45 am-8:25 pm
3 stops30h 40m
Porto
Fri 6/6
6:10 am-8:14 pm
3 stops46h 04m
$1,143
OaklandPorto
OAK - OPO
OAKOPO
Oakland
Mon 6/23
6:00 am-3:30 pm
2 stops25h 30m
Porto
Wed 7/9
9:20 am-4:14 pm
2 stops38h 54m
$1,176
OaklandPorto
OAK - OPO
OAKOPO
Oakland
Sat 5/31
9:09 pm-9:15 am
3 stops52h 06m
$530
OaklandPorto
OAK - OPO
OAKOPO
Oakland
Tue 9/2
5:55 am-3:30 pm
2 stops25h 35m
$851
Compare providers for flights from Oakland to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to Porto in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Oakland, California-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Oakland, California-Porto flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Oakland, California-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Oakland, California-Porto flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Oakland to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto 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 Porto
What is the cheapest month to book a flight from Oakland, California to Porto?
Currently, January is the cheapest month in which you can book a flight from Oakland, California to Porto (average of $523). Flying from Oakland, California to Porto in June is currently the most expensive (average of $1,060). 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.
Rainfall in Porto by month
Plan your trip to Porto by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.
Temperature in Porto by month
Plan your trip to Porto by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated May 14, 2025.
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Crew
8.5
Overall
8.0
Food
7.3
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Crew
8.5
Overall
8.0
Food
7.3
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Oakland to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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