$572+ Cheap flights from Sacramento (SMF) 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Oct 9 — Oct 161
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 September 9, 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 September 9, 2026.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
2 stops21h 45m
Sun 11/158:20 am -
2 stops23h 35m
Deal found 9/8![American Airlines logo]()
$739
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:18 pm -
2 stops52h 57m
Wed 11/185:00 am -
2 stops37h 53m
Deal found 9/4![Delta logo]()
$742
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 11/211:00 pm -
1 stop26h 30m
Wed 11/1812:35 pm -
1 stop17h 20m
Deal found 9/4![United Airlines logo]()
$749
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:49 am -
2 stops24h 41m
Wed 10/288:40 pm -
2 stops31h 14m
Deal found 9/8![British Airways logo]()
$780
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:55 am -
2 stops17h 55m
Sun 11/156:15 am -
2 stops41h 06m
Deal found 9/6![Multiple Airlines logo]()
$796
This United Airlines deal was found by Cheapflights users on 9/4. 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 11/17:05 pm -
2 stops30h 25m
Sun 11/156:00 am -
2 stops24h 40m
Deal found 9/4![United Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:13 am -
2 stops25h 12m
Sun 11/155:00 am -
2 stops23h 20m
Deal found 9/4![Delta logo]()
$807
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 September 9, 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 September 9, 2026.
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:18 pm -
2 stops52h 57m
Wed 11/185:00 am -
2 stops37h 53m
Deal found 9/4![Delta logo]()
$742
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 11/25:43 pm -
2 stops31h 47m
Wed 11/1812:35 pm -
1 stop17h 20m
Deal found 9/4![United Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
2 stops21h 45m
Sun 11/158:20 am -
2 stops23h 35m
Deal found 9/4![American Airlines logo]()
$811
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/25:25 am -
2 stops20h 05m
Fri 3/56:00 am -
2 stops21h 38m
Deal found 9/8![United Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:13 am -
2 stops25h 12m
Sun 11/155:00 am -
2 stops23h 20m
Deal found 9/4![Delta logo]()
$807
This United Airlines deal was found by Cheapflights users on 9/4. 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 11/111:00 pm -
1 stop26h 30m
Sun 11/156:00 am -
2 stops24h 40m
Deal found 9/4![United Airlines logo]()
$802
Last-minute flights from Sacramento to PortoDiscover last-minute flight deals from Sacramento to Porto. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Porto. Data last updated September 9, 2026 and is based on user searches.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:46 am -
2 stops21h 44m
Sun 10/115:55 am -
2 stops24h 51m
Deal found 9/6![Delta logo]()
$973
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:49 am -
2 stops24h 41m
Wed 10/288:40 pm -
2 stops31h 14m
Deal found 9/8![British Airways logo]()
$780
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 pm -
2 stops29h 10m
Thu 10/296:00 am -
2 stops19h 38m
Deal found 9/6![Multiple Airlines logo]()
$873
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:26 am -
2 stops19h 59m
Thu 10/295:00 am -
2 stops21h 37m
Deal found 9/6![Delta logo]()
$880
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:55 pm -
1 stop26h 50m
Thu 10/296:00 am -
2 stops19h 38m
Deal found 9/6![Lufthansa logo]()
$1,049
This Travelocity deal was found by Cheapflights users on 9/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm -
2 stops45h 25m
Tue 10/274:10 pm -
2 stops34h 30m
Deal found 9/5![Multiple Airlines logo]()
$848
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:53 am -
3 stops38h 52m
Tue 10/2712:35 pm -
2 stops38h 05m
Deal found 9/6![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 10/196:38 pm -
2 stops28h 22m
Mon 10/2612:30 pm -
2 stops38h 10m
Deal found 9/4![United Airlines logo]()
$886
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:38 pm -
2 stops28h 32m
Thu 10/296:00 am -
2 stops22h 52m
Deal found 9/7![United Airlines logo]()
$893
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 September 9, 2026.
Search for one-way flight options from Sacramento to Porto. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:57 pm -
3 stops43h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:23 pm -
3 stops33h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 9/1410:48 pm -
1 stop26h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$881
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:48 pm -
1 stop24h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Lufthansa logo]()
$896
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 9/278:03 am -
3 stops41h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$2,826
This BusinessClass deal was found by Cheapflights users on 9/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:55 pm -
1 stop26h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Lufthansa logo]()
$13,074
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 September 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $739 (Iberia) |
One-way from | $572 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,114 |
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 7,457,451 searches. Data last updated September 9, 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 9/14
6:57 pm-10:25 pm
3 stops43h 28m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$572
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Tue 9/15
6:23 pm-11:55 am
3 stops33h 32m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$616
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 11/2
7:18 pm-8:15 am
2 stops52h 57m
Porto
Wed 11/18
5:00 am-10:53 am
2 stops37h 53m
$742
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 11/2
5:43 pm-9:30 am
2 stops31h 47m
Porto
Wed 11/18
12:35 pm-9:55 pm
1 stop17h 20m
$749
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Tue 3/2
5:25 am-9:30 am
2 stops20h 05m
Porto
Fri 3/5
6:00 am-7:38 pm
2 stops21h 38m
$755
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 11/1
11:00 pm-9:30 am
1 stop26h 30m
Porto
Sun 11/15
6:00 am-10:40 pm
2 stops24h 40m
$802
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 11/1
6:13 am-3:25 pm
2 stops25h 12m
Porto
Sun 11/15
5:00 am-8:20 pm
2 stops23h 20m
$807
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 11/1
6:00 am-11:45 am
2 stops21h 45m
Porto
Sun 11/15
8:20 am-11:55 pm
2 stops23h 35m
$811
Quickest round-trip
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Mon 9/14
10:48 pm-9:45 am
1 stop26h 57m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$881
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 9/27
8:03 am-9:40 am
3 stops41h 37m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$2,826
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 September.
| 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 September 9, 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
Overall
7.4
Food
6.6
Comfort
7.3
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Overall
7.4
Food
6.6
Comfort
7.3
Entertainment
7.1
Crew
8.1
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 September 9, 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 September 9, 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$708 | Average$1,004 | FlexibilityNo cancel fee | On-time69% |