$483+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Nov 9 — Nov 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 October 10, 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 October 10, 2026.
This Orbitz deal was found by Cheapflights users on 10/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:44 am -
2 stops17h 56m
Mon 12/712:25 pm -
2 stops33h 33m
Deal found 10/9![Iberia logo]()
$794
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:01 pm -
1 stop26h 29m
Mon 12/712:30 pm -
2 stops40h 27m
Deal found 10/9![United Airlines logo]()
$837
This Delta deal was found by Cheapflights users on 10/8. 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.
Sun 11/15:30 am -
2 stops18h 45m
Sun 11/155:00 am -
2 stops26h 46m
Deal found 10/8![Delta logo]()
$885
This Orbitz deal was found by Cheapflights users on 10/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:00 am -
2 stops26h 30m
Sun 11/156:15 am -
2 stops45h 20m
Deal found 10/5![Multiple Airlines logo]()
$893
This KAYAK deal was found by Cheapflights users on 10/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:01 pm -
1 stop26h 29m
Mon 12/712:35 pm -
1 stop17h 20m
Deal found 10/9![SWISS logo]()
$914
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sun 11/111:00 pm -
1 stop26h 30m
Sun 11/1512:30 pm -
2 stops54h 38m
Deal found 10/6![United Airlines logo]()
$924
This KAYAK deal was found by Cheapflights users on 10/8. 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 KAYAK 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 11/156:15 am -
2 stops25h 29m
Deal found 10/8![Lufthansa logo]()
$938
This Air France deal was found by Cheapflights users on 10/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:26 am -
2 stops19h 59m
Wed 4/215:00 am -
2 stops19h 02m
Deal found 10/9![Multiple Airlines logo]()
$950
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 October 10, 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 October 10, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Tue 3/25:25 am -
2 stops20h 05m
Fri 3/56:00 am -
2 stops21h 38m
Deal found 10/7![United Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:13 am -
2 stops18h 02m
Sun 11/155:00 am -
2 stops26h 50m
Deal found 10/5![Delta logo]()
$886
This KAYAK deal was found by Cheapflights users on 10/8. 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 KAYAK 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 11/156:15 am -
2 stops25h 29m
Deal found 10/8![Lufthansa logo]()
$938
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:01 pm -
1 stop26h 29m
Mon 12/712:30 pm -
2 stops40h 27m
Deal found 10/9![United Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sun 11/111:00 pm -
1 stop26h 30m
Sun 11/1512:30 pm -
2 stops54h 38m
Deal found 10/6![United Airlines logo]()
$924
Last-minute flights from Sacramento to PortoDiscover last-minute flight deals from Sacramento to Porto. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Porto. Data last updated October 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Tue 10/1310:55 pm -
1 stop26h 50m
Wed 10/2111:20 am -
2 stops54h 09m
Deal found 10/7![United Airlines logo]()
$987
This Air France deal was found by Cheapflights users on 10/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:26 am -
2 stops19h 59m
Wed 10/215:00 am -
2 stops19h 57m
Deal found 10/7![Multiple Airlines logo]()
$988
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:16 am -
2 stops22h 09m
Thu 10/225:00 am -
2 stops23h 26m
Deal found 10/9![Delta logo]()
$1,038
This Air France deal was found by Cheapflights users on 10/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:26 am -
2 stops19h 59m
Wed 4/215:00 am -
2 stops19h 02m
Deal found 10/9![Multiple Airlines logo]()
$950
This Delta deal was found by Cheapflights users on 10/8. 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.
Sun 11/15:30 am -
2 stops18h 45m
Sun 11/155:00 am -
2 stops26h 46m
Deal found 10/8![Delta logo]()
$885
This Orbitz deal was found by Cheapflights users on 10/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:00 am -
2 stops26h 30m
Sun 11/156:15 am -
2 stops45h 20m
Deal found 10/5![Multiple Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Sun 11/111:00 pm -
1 stop26h 30m
Sun 11/1512:30 pm -
2 stops54h 38m
Deal found 10/6![United Airlines logo]()
$924
This KAYAK deal was found by Cheapflights users on 10/8. 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 KAYAK 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 11/156:15 am -
2 stops25h 29m
Deal found 10/8![Lufthansa logo]()
$938
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 October 10, 2026.
Search for one-way flight options from Sacramento to Porto. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Fri 10/237:59 pm -
3 stops34h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 10/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:55 pm -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$656
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 October 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $721 (United Airlines) |
One-way from | $483 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,047 |
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 October 10, 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
Fri 10/23
7:59 pm-2:30 pm
3 stops34h 31m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$483
Quickest round-trip
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Fri 10/23
10:55 pm-10:30 am
1 stop27h 35m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$656
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
$721
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Tue 12/1
11:01 pm-9:30 am
1 stop26h 29m
Porto
Mon 12/7
12:30 pm-8:57 pm
2 stops40h 27m
$837
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 11/1
6:13 am-8:15 am
2 stops18h 02m
Porto
Sun 11/15
5:00 am-11:50 pm
2 stops26h 50m
$886
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
12:30 pm-11:08 am
2 stops54h 38m
$924
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
6:15 am-11:44 pm
2 stops25h 29m
$938
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 October.
| 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 October 10, 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.
Food
6.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Boarding
7.7
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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Complete your trip
Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.
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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 October 10, 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 October 10, 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 October 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$708 | Average$1,265 | FlexibilityNo cancel fee | On-time69% |