$731+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Nov 29 — Dec 61
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
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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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/910:10 am -
2 stops15h 20m
Wed 12/166:00 am -
2 stops24h 41m
Deal found 10/26![United Airlines logo]()
$789
This Air France deal was found by Cheapflights users on 10/26. 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 11/166:15 am -
2 stops20h 20m
Thu 12/35:00 am -
2 stops22h 25m
Deal found 10/26![Multiple Airlines logo]()
$834
This Justfly.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/1510:17 am -
2 stops21h 03m
Wed 12/212:05 pm -
2 stops40h 30m
Deal found 10/26![Multiple Airlines logo]()
$835
This KAYAK deal was found by Cheapflights users on 10/26. 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 11/1710:55 am -
2 stops17h 55m
Fri 12/46:15 am -
2 stops22h 20m
Deal found 10/26![Lufthansa logo]()
$843
This Delta deal was found by Cheapflights users on 10/26. 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 11/29:46 am -
2 stops28h 14m
Tue 11/105:00 am -
2 stops19h 01m
Deal found 10/26![Delta logo]()
$844
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/188:00 am -
2 stops17h 30m
Fri 12/412:35 pm -
1 stop17h 20m
Deal found 10/26![United Airlines logo]()
$849
This Delta deal was found by Cheapflights users on 10/26. 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 11/1511:51 am -
2 stops26h 04m
Fri 12/45:55 am -
2 stops25h 56m
Deal found 10/26![Delta logo]()
$851
This Delta deal was found by Cheapflights users on 10/26. 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 12/1010:52 pm -
2 stops25h 23m
Thu 12/1710:15 am -
2 stops20h 57m
Deal found 10/26![Delta logo]()
$853
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/1411:00 pm -
1 stop26h 30m
Thu 12/312:35 pm -
1 stop17h 20m
Deal found 10/26![United Airlines logo]()
$856
This Delta deal was found by Cheapflights users on 10/26. 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 11/1310:55 pm -
2 stops49h 20m
Wed 12/211:15 am -
2 stops39h 48m
Deal found 10/26![Delta logo]()
$858
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Sat 11/142:15 pm -
2 stops37h 25m
Fri 12/46:15 am -
2 stops22h 20m
Deal found 10/26![Lufthansa logo]()
$861
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/29. 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 3/26:50 am -
2 stops18h 40m
Fri 3/512:35 pm -
2 stops30h 34m
Deal found 10/29![United Airlines logo]()
$731
This Delta deal was found by Cheapflights users on 10/26. 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 11/187:15 am -
2 stops30h 45m
Wed 12/211:15 am -
2 stops39h 48m
Deal found 10/26![Delta logo]()
$844
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 am -
2 stops18h 30m
Wed 12/166:00 am -
2 stops24h 41m
Deal found 10/25![United Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 10/27. 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 12/116:15 am -
2 stops18h 00m
Fri 12/185:55 am -
2 stops26h 01m
Deal found 10/27![Delta logo]()
$917
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/188:00 am -
2 stops17h 30m
Fri 12/412:35 pm -
1 stop17h 20m
Deal found 10/26![United Airlines logo]()
$849
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/1511:00 pm -
1 stop26h 30m
Sat 12/512:35 pm -
1 stop17h 14m
Deal found 10/26![United Airlines logo]()
$906
Last-minute flights from Sacramento to PortoDiscover last-minute flight deals from Sacramento to Porto. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to Porto. Data last updated October 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/26. 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 11/29:46 am -
2 stops28h 14m
Tue 11/105:00 am -
2 stops19h 01m
Deal found 10/26![Delta logo]()
$844
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/57:23 am -
2 stops18h 07m
Thu 11/126:00 am -
2 stops23h 00m
Deal found 10/26![United Airlines logo]()
$889
This Delta deal was found by Cheapflights users on 10/26. 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 11/1310:55 pm -
2 stops49h 20m
Wed 12/211:15 am -
2 stops39h 48m
Deal found 10/26![Delta logo]()
$858
This Delta deal was found by Cheapflights users on 10/26. 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 11/1310:55 pm -
2 stops49h 20m
Fri 12/45:55 am -
2 stops25h 56m
Deal found 10/26![Delta logo]()
$865
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/1411:00 pm -
1 stop26h 30m
Thu 12/312:35 pm -
1 stop17h 20m
Deal found 10/26![United Airlines logo]()
$856
This KAYAK deal was found by Cheapflights users on 10/26. 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.
Sat 11/142:15 pm -
2 stops37h 25m
Fri 12/46:15 am -
2 stops22h 20m
Deal found 10/26![Lufthansa logo]()
$861
This Justfly.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/1510:17 am -
2 stops21h 03m
Wed 12/212:05 pm -
2 stops40h 30m
Deal found 10/26![Multiple Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 10/26. 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 11/1511:51 am -
2 stops26h 04m
Fri 12/45:55 am -
2 stops25h 56m
Deal found 10/26![Delta logo]()
$851
This Air France deal was found by Cheapflights users on 10/26. 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 11/166:15 am -
2 stops20h 20m
Thu 12/35:00 am -
2 stops22h 25m
Deal found 10/26![Multiple Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/1611:00 pm -
1 stop26h 30m
Wed 12/212:35 pm -
2 stops40h 00m
Deal found 10/26![United Airlines logo]()
$873
This KAYAK deal was found by Cheapflights users on 10/26. 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 11/1710:55 am -
2 stops17h 55m
Fri 12/46:15 am -
2 stops22h 20m
Deal found 10/26![Lufthansa logo]()
$843
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/188:00 am -
2 stops17h 30m
Fri 12/412:35 pm -
1 stop17h 20m
Deal found 10/26![United Airlines logo]()
$849
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 30, 2026.
Search for one-way flight options from Sacramento to Porto. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 4/232:56 pm -
3 stops34h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$1,971
This business-class.com deal was found by Cheapflights users on 10/28. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/232:21 pm -
2 stops17h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Iberia logo]()
$3,448
This BusinessClass deal was found by Cheapflights users on 10/28. 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.
Fri 4/2310:25 am -
2 stops24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![SWISS logo]()
$3,725
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 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $741 (United Airlines) |
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 30, 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
Tue 3/2
6:50 am-9:30 am
2 stops18h 40m
Porto
Fri 3/5
12:35 pm-11:09 am
2 stops30h 34m
$731
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Wed 12/9
7:00 am-9:30 am
2 stops18h 30m
Porto
Wed 12/16
6:00 am-10:41 pm
2 stops24h 41m
$789
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Wed 11/18
7:15 am-10:00 pm
2 stops30h 45m
Porto
Wed 12/2
11:15 am-7:03 pm
2 stops39h 48m
$844
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Wed 11/18
8:00 am-9:30 am
2 stops17h 30m
Porto
Fri 12/4
12:35 pm-9:55 pm
1 stop17h 20m
$849
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Sun 11/15
11:00 pm-9:30 am
1 stop26h 30m
Porto
Sat 12/5
12:35 pm-9:49 pm
1 stop17h 14m
$906
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Fri 12/11
6:15 am-8:15 am
2 stops18h 00m
Porto
Fri 12/18
5:55 am-11:56 pm
2 stops26h 01m
$917
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Fri 4/23
2:56 pm-9:30 am
3 stops34h 34m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,971
Quickest round-trip
SacramentoPorto
SMF Sacramento Intl - OPO Porto
SMFOPO
Sacramento Intl
Fri 4/23
2:21 pm-4:00 pm
2 stops17h 39m
Porto
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$3,448
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 30, 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
Crew
8.1
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.7
Crew
8.1
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
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 October 30, 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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$508 | Average$1,695 | FlexibilityNo cancel fee | On-time69% |