$357+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Sep 5 — Sep 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 6, 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 6, 2026.
This oojo deal was found by Cheapflights users on 8/3. 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.
Wed 11/412:01 pm -
2 stops27h 54m
Wed 11/256:00 am -
2 stops23h 00m
Deal found 8/3![Lufthansa logo]()
$727
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/3![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 11/410:55 am -
2 stops20h 25m
Wed 11/2512:35 pm -
1 stop17h 15m
Deal found 8/3![United Airlines logo]()
$773
This Expedia deal was found by Cheapflights users on 8/1. 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 11/12:13 pm -
2 stops37h 32m
Sun 11/156:15 am -
2 stops41h 06m
Deal found 8/1![Multiple Airlines logo]()
$793
This FlightHub deal was found by Cheapflights users on 8/5. 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.
Sun 11/12:15 pm -
2 stops41h 05m
Sun 11/156:00 am -
2 stops24h 40m
Deal found 8/5![Lufthansa logo]()
$867
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:00 am -
2 stops18h 40m
Sun 11/158:20 am -
2 stops23h 39m
Deal found 8/5![American Airlines logo]()
$868
This Ovago deal was found by Cheapflights users on 8/3. 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.
Wed 11/48:00 am -
1 stop17h 30m
Wed 11/2512:35 pm -
1 stop17h 15m
Deal found 8/3![Multiple Airlines logo]()
$880
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 6, 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 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/3![United Airlines logo]()
$749
This Expedia deal was found by Cheapflights users on 8/5. 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.
Tue 10/62:25 pm -
2 stops25h 00m
Tue 10/208:40 am -
2 stops22h 06m
Deal found 8/5![Multiple Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 11/410:55 am -
2 stops20h 25m
Wed 11/2512:35 pm -
1 stop17h 15m
Deal found 8/3![United Airlines logo]()
$773
This United Airlines deal was found by Cheapflights users on 8/1. 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 1/105:25 am -
2 stops25h 55m
Wed 1/1312:35 pm -
2 stops52h 50m
Deal found 8/1![United Airlines logo]()
$790
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/4![United Airlines logo]()
$886
Last-minute flights from Sacramento to PortoDiscover last-minute flight deals from Sacramento to Porto. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Porto. Data last updated August 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/1911:20 am -
2 stops43h 19m
Deal found 8/1![United Airlines logo]()
$1,056
This oojo deal was found by Cheapflights users on 8/4. 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 stops20h 25m
Wed 8/196:00 am -
2 stops23h 00m
Deal found 8/4![Multiple Airlines logo]()
$1,062
This Orbitz deal was found by Cheapflights users on 8/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:13 am -
2 stops19h 52m
Wed 9/236:20 am -
2 stops19h 15m
Deal found 8/2![Multiple Airlines logo]()
$1,183
This Iberia deal was found by Cheapflights users on 8/4. 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.
Thu 9/1011:38 am -
2 stops20h 22m
Thu 9/178:20 am -
2 stops23h 14m
Deal found 8/4![Multiple Airlines logo]()
$1,020
This Ovago deal was found by Cheapflights users on 8/4. 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.
Thu 9/106:00 pm -
2 stops29h 10m
Thu 9/1712:35 pm -
1 stop17h 55m
Deal found 8/4![Lufthansa logo]()
$1,132
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/104:17 pm -
2 stops30h 33m
Thu 9/1711:50 am -
3 stops56h 14m
Deal found 8/4![United Airlines logo]()
$1,324
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:04 am -
2 stops20h 56m
Sat 9/268:20 am -
2 stops22h 46m
Deal found 8/5![American Airlines logo]()
$1,086
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/266:00 am -
2 stops44h 48m
Deal found 8/5![United Airlines logo]()
$1,364
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 6, 2026.
Search for one-way flight options from Sacramento to Porto. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 10/207:58 pm -
3 stops41h 22m
Deal found 8/2![Multiple Airlines logo]()
$357
This Expedia deal was found by Cheapflights users on 8/2. 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.
Tue 10/206:15 pm -
2 stops28h 45m
Deal found 8/2![Air Canada logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 10/57:44 pm -
2 stops38h 06m
Deal found 8/4![Multiple Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 10/2010:55 pm -
1 stop26h 50m
Deal found 8/2![United Airlines logo]()
$479
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 6, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $727 (oojo) |
One-way from | $357 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,132 |
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 6, 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
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
$749
Quickest round-trip
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Wed 11/4
10:55 am-3:20 pm
2 stops20h 25m
Porto
Wed 11/25
12:35 pm-9:50 pm
1 stop17h 15m
$773
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 1/10
5:25 am-3:20 pm
2 stops25h 55m
Porto
Wed 1/13
12:35 pm-9:25 am
2 stops52h 50m
$790
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Tue 10/6
2:25 pm-11:25 pm
2 stops25h 00m
Porto
Tue 10/20
8:40 am-10:46 pm
2 stops22h 06m
$881
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
Tue 10/20
7:58 pm-9:20 pm
3 stops41h 22m
$357
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 10/5
7:44 pm-5:50 pm
2 stops38h 06m
$465
Quickest one-way
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Tue 10/20
10:55 pm-9:45 am
1 stop26h 50m
$479
Sorted 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 6, 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.
Boarding
7.7
Crew
8.1
Comfort
7.3
Food
6.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Crew
8.1
Comfort
7.3
Food
6.7
Entertainment
7.1
Overall
7.4
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Porto flight routes
Alternative routes for Sacramento to Porto
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sacramento to Porto by cabin class
Find flights from Sacramento to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sacramento and Porto flights
Browse other Sacramento and Porto flight options. Last updated on August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 6, 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$708 | Average$1,004 | FlexibilityNo cancel fee | On-time69% |