$336+ Cheap flights from Sacramento (SMF) 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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Find cheap flights from Sacramento 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 Sacramento to Porto
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sacramento to PortoExplore the most affordable flight options available from Sacramento to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
Explore the most affordable flight options available from Sacramento to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:25 am -
2 stops20h 05m
Fri 12/1112:35 pm -
2 stops18h 53m
Deal found 8/11![United Airlines logo]()
$750
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:25 am -
2 stops20h 05m
Fri 12/1112:35 pm -
2 stops18h 53m
Deal found 8/12![Multiple Airlines logo]()
$800
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:00 pm -
1 stop26h 30m
Fri 12/1112:35 pm -
2 stops18h 53m
Deal found 8/12![Lufthansa logo]()
$801
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:00 pm -
1 stop26h 30m
Fri 12/1112:35 pm -
1 stop16h 30m
Deal found 8/12![SWISS logo]()
$810
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
2 stops24h 20m
Sun 11/156:15 am -
2 stops41h 06m
Deal found 8/11![Multiple Airlines logo]()
$840
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
2 stops24h 20m
Sun 11/156:00 am -
2 stops24h 40m
Deal found 8/10![Lufthansa logo]()
$848
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 am -
3 stops44h 25m
Sun 11/156:00 am -
2 stops24h 40m
Deal found 8/11![United Airlines logo]()
$886
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:25 pm -
2 stops25h 00m
Tue 10/206:20 am -
2 stops19h 19m
Deal found 8/11![Lufthansa logo]()
$894
Best flights from Sacramento to PortoDiscover carefully curated flight deals from Sacramento to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
Discover carefully curated flight deals from Sacramento to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
This Lufthansa deal was found by Cheapflights users on 8/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/178:50 am -
2 stops20h 00m
Thu 1/216:00 am -
2 stops17h 21m
Deal found 8/10![Lufthansa logo]()
$743
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:25 am -
2 stops20h 05m
Fri 12/1112:35 pm -
2 stops18h 53m
Deal found 8/11![United Airlines logo]()
$750
This Justfly.com deal was found by Cheapflights users on 8/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/164:05 pm -
2 stops39h 15m
Thu 1/216:00 am -
2 stops17h 21m
Deal found 8/10![Air Canada logo]()
$751
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:25 am -
2 stops20h 05m
Fri 12/1112:35 pm -
2 stops18h 53m
Deal found 8/12![Multiple Airlines logo]()
$800
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:00 pm -
1 stop26h 30m
Fri 12/1112:35 pm -
2 stops18h 53m
Deal found 8/12![Lufthansa logo]()
$801
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 am -
3 stops44h 25m
Sun 11/156:00 am -
2 stops24h 40m
Deal found 8/11![United Airlines logo]()
$886
Last-minute flights from Sacramento to PortoDiscover last-minute flight deals from Sacramento to Porto. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Porto. Data last updated August 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am -
2 stops19h 20m
Wed 8/196:20 am -
2 stops19h 15m
Deal found 8/7![Lufthansa logo]()
$1,063
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:48 pm -
1 stop24h 07m
Wed 8/1912:35 pm -
1 stop18h 04m
Deal found 8/7![United Airlines logo]()
$1,076
This Lufthansa deal was found by Cheapflights users on 8/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:57 pm -
2 stops20h 28m
Wed 8/196:20 am -
2 stops22h 40m
Deal found 8/10![Lufthansa logo]()
$1,077
This KAYAK deal was found by Cheapflights users on 8/10. 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.
Fri 8/142:27 pm -
2 stops20h 03m
Wed 8/1912:35 pm -
1 stop18h 04m
Deal found 8/10![SWISS logo]()
$1,130
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:48 pm -
1 stop24h 07m
Wed 8/198:55 am -
1 stop21h 44m
Deal found 8/10![United Airlines logo]()
$1,752
This lastminute.com deal was found by Cheapflights users on 8/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/292:23 pm -
2 stops36h 47m
Wed 9/211:50 am -
2 stops43h 03m
Deal found 8/11![Scandinavian Airlines logo]()
$1,390
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:48 pm -
1 stop26h 57m
Wed 9/26:00 am -
2 stops21h 47m
Deal found 8/11![United Airlines logo]()
$1,607
This Iberia deal was found by Cheapflights users on 8/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:38 am -
2 stops20h 22m
Sat 9/268:35 am -
2 stops22h 31m
Deal found 8/11![Multiple Airlines logo]()
$1,156
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:48 pm -
1 stop24h 07m
Sat 9/2612:05 pm -
2 stops37h 16m
Deal found 8/11![United Airlines logo]()
$1,207
One-way flights from Sacramento to PortoSearch for one-way flight options from Sacramento to Porto. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
Search for one-way flight options from Sacramento to Porto. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:35 am -
3 stops48h 30m
Deal found 8/11![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:53 am -
3 stops48h 32m
Deal found 8/11![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:23 pm -
3 stops42h 42m
Deal found 8/11![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:47 pm -
3 stops40h 28m
Deal found 8/7![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:42 am -
3 stops47h 53m
Deal found 8/11![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:28 pm -
3 stops44h 32m
Deal found 8/9![Multiple Airlines logo]()
$457
This FlightHub deal was found by Cheapflights users on 8/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm -
2 stops28h 50m
Deal found 8/11![Air Canada logo]()
$462
This KLM deal was found by Cheapflights users on 8/10. 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.
Wed 9/301:11 pm -
2 stops18h 19m
Deal found 8/10![KLM logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:23 am -
3 stops31h 37m
Deal found 8/9![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:52 am -
3 stops30h 13m
Deal found 8/11![Multiple Airlines logo]()
$482
Find flight deals from Sacramento to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) 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 August 12, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $731 (Expedia) |
One-way from | $336 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,139 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sacramento 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 August 12, 2026.
Use the filters below to find and compare flights from Sacramento to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 1/17
8:50 am-12:50 pm
2 stops20h 00m
Porto
Thu 1/21
6:00 am-3:21 pm
2 stops17h 21m
$743
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 12/7
5:25 am-9:30 am
2 stops20h 05m
Porto
Fri 12/11
12:35 pm-11:28 pm
2 stops18h 53m
$750
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sat 1/16
4:05 pm-3:20 pm
2 stops39h 15m
Porto
Thu 1/21
6:00 am-3:21 pm
2 stops17h 21m
$751
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 12/7
5:25 am-9:30 am
2 stops20h 05m
Porto
Fri 12/11
12:35 pm-11:28 pm
2 stops18h 53m
$800
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 12/7
11:00 pm-9:30 am
1 stop26h 30m
Porto
Fri 12/11
12:35 pm-11:28 pm
2 stops18h 53m
$801
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 11/1
10:55 am-3:20 pm
3 stops44h 25m
Porto
Sun 11/15
6:00 am-10:40 pm
2 stops24h 40m
$886
Cheapest one-way
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 8/17
6:28 pm-11:00 pm
3 stops44h 32m
$463
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Wed 9/30
1:11 pm-10:15 pm
2 stops25h 04m
$472
Quickest one-way
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 9/27
5:08 pm-7:05 pm
2 stops17h 57m
$472
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Fri 10/2
5:30 am-10:30 pm
2 stops33h 00m
$528
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Sacramento 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 Sacramento to Porto in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sacramento-Porto flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Sacramento-Porto flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Sacramento-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sacramento-Porto flights, Cheapflights users trust Ovago the most. Ovago 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 Sacramento-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 Sacramento to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Sacramento with our price prediction graph.
SMF-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.
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 August 12, 2026.
Read reviews from past customers who have flown United Airlines from Sacramento to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.7
Crew
8.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Food
6.7
Crew
8.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Sacramento 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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Sacramento and Porto flights
Browse other Sacramento and Porto flight options. Last updated on August 12, 2026.
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Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 12, 2026.
Top airline flying from Sacramento to Porto
Discover the top airline that operate flights from Sacramento to Porto. 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 August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$708 | Average$1,004 | FlexibilityNo cancel fee | On-time69% |