$520+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — OPO
Nov 25 — Dec 21
Round-trip
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
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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 October 26, 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 October 26, 2026.
This Air France deal was found by Cheapflights users on 10/25. 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.
Mon 11/235:55 am -
2 stops32h 05m
Wed 12/94:10 pm -
2 stops32h 12m
Deal found 10/25![Multiple Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 10/25. 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 11/235:55 am -
2 stops32h 05m
Wed 12/95:00 am -
2 stops19h 22m
Deal found 10/25![Delta logo]()
$784
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:27 pm -
3 stops36h 33m
Thu 12/317:00 am -
3 stops42h 25m
Deal found 10/22![Multiple Airlines logo]()
$2,032
This Expedia deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:15 pm -
2 stops34h 35m
Sat 11/284:10 pm -
2 stops39h 06m
Deal found 10/24![Multiple Airlines logo]()
$2,187
This Delta deal was found by Cheapflights users on 10/25. 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.
Wed 12/235:00 pm -
2 stops57h 30m
Thu 12/315:00 am -
2 stops25h 09m
Deal found 10/25![Delta logo]()
$2,609
This Delta deal was found by Cheapflights users on 10/25. 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.
Thu 12/245:56 am -
2 stops32h 34m
Thu 12/315:00 am -
2 stops25h 09m
Deal found 10/25![Delta logo]()
$2,725
This Mytrip deal was found by Cheapflights users on 10/22. 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.
Wed 12/2311:56 am -
2 stops20h 54m
Fri 1/17:35 am -
3 stops35h 25m
Deal found 10/22![Multiple Airlines logo]()
$2,861
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 October 26, 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 October 26, 2026.
This British Airways deal was found by Cheapflights users on 10/23. 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.
Wed 3/171:11 pm -
2 stops45h 04m
Sat 3/278:00 pm -
2 stops33h 10m
Deal found 10/23![British Airways logo]()
$1,220
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:27 pm -
3 stops36h 33m
Thu 12/317:00 am -
3 stops42h 25m
Deal found 10/22![Multiple Airlines logo]()
$2,032
This Delta deal was found by Cheapflights users on 10/25. 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.
Wed 12/235:00 pm -
2 stops57h 30m
Thu 12/315:00 am -
2 stops25h 09m
Deal found 10/25![Delta logo]()
$2,609
This Mytrip deal was found by Cheapflights users on 10/25. 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 11/2311:17 pm -
3 stops32h 08m
Wed 12/95:00 am -
3 stops25h 50m
Deal found 10/25![Multiple Airlines logo]()
$2,338
This Delta deal was found by Cheapflights users on 10/25. 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.
Thu 12/245:56 am -
2 stops32h 34m
Thu 12/315:00 am -
2 stops25h 09m
Deal found 10/25![Delta logo]()
$2,725
This KAYAK deal was found by Cheapflights users on 10/22. 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.
Wed 12/2311:56 am -
2 stops20h 54m
Fri 1/16:05 pm -
2 stops32h 01m
Deal found 10/22![Multiple Airlines logo]()
$3,185
This Delta deal was found by Cheapflights users on 10/25. 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.
Thu 12/245:56 am -
2 stops25h 29m
Fri 1/15:00 am -
2 stops25h 09m
Deal found 10/25![Delta logo]()
$4,235
This Delta deal was found by Cheapflights users on 10/24. 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 12/215:56 am -
2 stops32h 04m
Wed 1/611:30 am -
2 stops44h 27m
Deal found 10/24![Delta logo]()
$4,341
This Delta deal was found by Cheapflights users on 10/24. 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 12/205:00 pm -
2 stops45h 00m
Wed 1/611:30 am -
2 stops44h 27m
Deal found 10/24![Delta logo]()
$4,361
Last-minute flights from Oakland to PortoDiscover last-minute flight deals from Oakland to Porto. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Porto. Data last updated October 26, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/24. 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.
Sat 11/216:15 pm -
2 stops34h 35m
Sat 11/284:10 pm -
2 stops39h 06m
Deal found 10/24![Multiple Airlines logo]()
$2,187
This Air France deal was found by Cheapflights users on 10/25. 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.
Mon 11/235:55 am -
2 stops32h 05m
Wed 12/94:10 pm -
2 stops32h 12m
Deal found 10/25![Multiple Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 10/25. 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 11/235:55 am -
2 stops32h 05m
Wed 12/95:00 am -
2 stops19h 22m
Deal found 10/25![Delta logo]()
$784
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 October 26, 2026.
Search for one-way flight options from Oakland to Porto. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/127:00 am -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 12/305:56 am -
2 stops32h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$591
This Delta deal was found by Cheapflights users on 10/21. 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.
Thu 12/315:56 am -
2 stops32h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$641
This Booking.com deal was found by Cheapflights users on 10/23. 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.
Sun 11/226:08 am -
2 stops25h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$843
This British Airways deal was found by Cheapflights users on 10/21. 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 12/2112:12 pm -
2 stops21h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$1,436
This British Airways deal was found by Cheapflights users on 10/21. 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.
Sun 12/2011:56 am -
2 stops20h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$1,709
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $774 (Air France) |
One-way from | $520 (FlightHub) |
Popular in | June |
Cheapest in | February |
Average price | $962 |
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 October 26, 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
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Fri 3/12
7:00 am-12:50 pm
2 stops21h 50m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$520
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Wed 12/30
5:56 am-10:00 pm
2 stops32h 04m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$591
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Thu 12/31
5:56 am-10:00 pm
2 stops32h 04m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$641
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Sun 11/22
6:08 am-3:20 pm
2 stops25h 12m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$843
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Wed 3/17
1:11 pm-5:15 pm
2 stops45h 04m
Porto
Sat 3/27
8:00 pm-10:10 pm
2 stops33h 10m
$1,220
Quickest round-trip
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Mon 12/21
12:12 pm-5:35 pm
2 stops21h 23m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,436
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Wed 12/23
10:27 pm-7:00 pm
3 stops36h 33m
Porto
Thu 12/31
7:00 am-5:25 pm
3 stops42h 25m
$2,032
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Mon 11/23
11:17 pm-3:25 pm
3 stops32h 08m
Porto
Wed 12/9
5:00 am-10:50 pm
3 stops25h 50m
$2,338
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Wed 12/23
5:00 pm-10:30 am
2 stops57h 30m
Porto
Thu 12/31
5:00 am-10:09 pm
2 stops25h 09m
$2,609
OaklandPorto
OAK Oakland - OPO Porto
OAKOPO
Oakland
Thu 12/24
5:56 am-10:30 pm
2 stops32h 34m
Porto
Thu 12/31
5:00 am-10:09 pm
2 stops25h 09m
$2,725
Showing 1-10 of 14 resultsSorted 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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