HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$353+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
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 flights from Sacramento to Porto
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 March 24, 2026.

This United Airlines deal was found by Cheapflights users on 3/23. 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 12/65:25 am
SMF
-
OPO
2 stops25h 50m
United Airlines
Wed 12/912:30 pm
OPO
-
SMF
2 stops18h 58m
United Airlines
Deal found 3/23$714
This Air France deal was found by Cheapflights users on 3/23. 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 10/1311:55 am
SMF
-
OPO
2 stops19h 30m
Multiple Airlines
Tue 10/275:00 am
OPO
-
SMF
2 stops18h 30m
Multiple Airlines
Deal found 3/23$748
This KLM deal was found by Cheapflights users on 3/22. 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 4/2911:29 am
SMF
-
OPO
2 stops20h 01m
KLM
Wed 5/205:55 am
OPO
-
SMF
2 stops19h 55m
KLM
Deal found 3/22$790
This Delta deal was found by Cheapflights users on 3/24. 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 4/297:00 am
SMF
-
OPO
2 stops24h 30m
Delta
Wed 5/205:00 am
OPO
-
SMF
2 stops24h 52m
Delta
Deal found 3/24$812
This FlightHub deal was found by Cheapflights users on 3/20. 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.
Sat 4/253:53 pm
SMF
-
OPO
2 stops47h 02m
Multiple Airlines
Sat 5/98:40 am
OPO
-
SMF
2 stops20h 02m
Multiple Airlines
Deal found 3/20$819
This KLM deal was found by Cheapflights users on 3/23. 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.
Sat 4/2512:49 pm
SMF
-
OPO
2 stops18h 41m
KLM
Sat 5/95:55 am
OPO
-
SMF
2 stops18h 46m
KLM
Deal found 3/23$848
This Priceline deal was found by Cheapflights users on 3/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 am
SMF
-
OPO
2 stops41h 40m
Scandinavian Airlines
Wed 4/2211:50 am
OPO
-
SMF
2 stops43h 01m
Scandinavian Airlines
Deal found 3/21$862
This Iberia deal was found by Cheapflights users on 3/23. 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 10/102:50 pm
SMF
-
OPO
2 stops17h 10m
Iberia
Mon 10/198:40 pm
OPO
-
SMF
2 stops34h 52m
Iberia
Deal found 3/23$873

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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$790
(KLM)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$708
Provider with most accurate pricing for Sacramento Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-Porto flights.
Search Deals
From Sacramento Intl to Porto
Search Deals
One-way flight from Sacramento Intl to Porto
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 24, 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

Price

Cheapest round-trip
Quickest round-trip

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 4/29

11:29 am-3:30 pm

2 stops20h 01m

Porto

Wed 5/20

5:55 am-4:41 pm

2 stops18h 46m

$790

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 4/29

7:00 am-3:30 pm

2 stops24h 30m

Porto

Wed 5/20

5:00 am-9:52 pm

2 stops24h 52m

$812

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Thu 4/9

7:05 am-8:45 am

2 stops41h 40m

Porto

Wed 4/22

11:50 am-10:51 pm

2 stops43h 01m

$862

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 5/2

7:00 am-8:30 am

2 stops17h 30m

Porto

Sat 5/23

5:55 am-7:57 pm

2 stops22h 02m

$896

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 5/2

6:15 am-3:25 pm

2 stops25h 10m

Porto

Sat 5/23

5:00 am-6:35 pm

2 stops21h 35m

$968

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 7/29

5:15 am-9:45 am

2 stops20h 30m

Porto

Sat 8/8

10:15 am-10:56 am

2 stops56h 41m

$1,019

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 5/2

11:59 pm-11:15 am

2 stops27h 16m

Porto

Sat 5/23

12:35 pm-9:44 pm

1 stop17h 09m

$1,036
Cheapest one-way

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Mon 4/20

6:00 am-9:55 am

3 stops43h 55m

$411

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sun 4/19

1:18 pm-7:10 am

2 stops33h 52m

$560

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Fri 6/26

11:39 pm-6:55 am

2 stops23h 16m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sacramento-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
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.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to Porto

What is the cheapest month to book a flight from Sacramento to Porto?

Currently, April is the cheapest month in which you can book a flight from Sacramento to Porto (average of $431). Flying from Sacramento to Porto in June is currently the most expensive (average of $846). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 24, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAir Canada 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.
Delta
7.9
Good
8,322 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,322 reviews
Delta
7.9
Good
8,322 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,471 reviews
Delta
7.9
Good
8,322 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.1
Good
10,837 reviews
Delta
7.9
Good
8,322 reviews

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • How long is the flight from Sacramento to Porto?

    A quick flight from Sacramento to Porto can take about 20h 01m. KLM provides one of the quickest options available for as low as $790. There are 5483 mi between Sacramento and Porto. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Sacramento to Porto round-trip?

    Cheapflights users have booked flights from Sacramento to Porto round-trip from $681. Other airlines that can offer you cheap pricing are United Airlines, from $708, and Delta, from $726. These flights start at 18% lower than the current average price 3 months from now.

  • Can I find deals for flights from Sacramento to Porto that include hotel bookings?

    Yes. In addition to deals on Sacramento to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to Porto.

  • Can I find deals for business class flights from Sacramento to Porto?

    Yes. Cheapflights offers flight deals from Sacramento to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sacramento to Porto?

    Currently, April is the cheapest month in which you can book a flight from Sacramento to Porto (average of $431). Flying from Sacramento to Porto in June is currently the most expensive (average of $846). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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.

Top 3 airlines flying from Sacramento to Porto

Discover the top 3 airlines 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$681Average$1,090FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$708Average$1,071FlexibilityNo cancel feeOn-time69%
DeltaCheapest$726Average$776FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.