$1,165+ Cheap flights from Oakland, CA (OAK) to Porto (OPO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — OPO
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
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 September 11, 2026.
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 September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:15 pm -
2 stops25h 10m
Tue 10/66:20 am -
2 stops24h 35m
Deal found 9/7![Multiple Airlines logo]()
$1,253
This Delta deal was found by Cheapflights users on 9/8. 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 9/2912:39 pm -
2 stops18h 51m
Tue 12/155:00 am -
2 stops19h 22m
Deal found 9/8![Delta logo]()
$1,705
Best flights from Oakland to PortoDiscover carefully curated flight deals from Oakland to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Oakland to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 9/2912:39 pm -
2 stops18h 51m
Tue 12/155:00 am -
2 stops19h 22m
Deal found 9/8![Delta logo]()
$1,705
This Mytrip deal was found by Cheapflights users on 9/7. 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.
Fri 10/211:30 pm -
3 stops23h 15m
Tue 10/66:00 am -
3 stops24h 55m
Deal found 9/7![Multiple Airlines logo]()
$2,179
Last-minute flights from Oakland to PortoDiscover last-minute flight deals from Oakland to Porto. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Porto. Data last updated September 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. 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 9/2912:39 pm -
2 stops18h 51m
Tue 12/155:00 am -
2 stops19h 22m
Deal found 9/8![Delta logo]()
$1,705
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:15 pm -
2 stops25h 10m
Tue 10/66:20 am -
2 stops24h 35m
Deal found 9/7![Multiple Airlines logo]()
$1,253
One-way flights from Oakland to PortoSearch for one-way flight options from Oakland to Porto. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Oakland to Porto. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:22 pm -
2 stops26h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$1,165
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:22 pm -
2 stops27h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$4,290
Find 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,253 (Expedia) |
One-way from | $1,165 (Booking.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,114 |
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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Oakland to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Tue 10/20
12:22 pm-10:50 pm
2 stops26h 28m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,165
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Tue 9/29
12:39 pm-3:30 pm
2 stops18h 51m
Porto
Tue 12/15
5:00 am-4:22 pm
2 stops19h 22m
$1,705
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Fri 10/2
11:30 pm-6:45 am
3 stops23h 15m
Porto
Tue 10/6
6:00 am-10:55 pm
3 stops24h 55m
$2,179
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Sat 10/24
12:22 pm-11:25 pm
2 stops27h 03m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$4,290
Sorted by cheapest first
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.
OAK-OPO
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.
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.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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