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$311+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$450
(Iberia)

One-way from

$311
(Mytrip)

Popular in

June

Cheapest in

December

Average price

$672
Provider with most accurate pricing for Sacramento Intl-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-Porto flights.
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From Sacramento Intl to Porto
Search Deals
One-way flight from Sacramento Intl to Porto
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Highest demand for flights based on searches. 16% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 8, 2026.

This Iberia deal was found by Cheapflights users on 1/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:06 amSMF - OPO
2 stops24h 39mMultiple Airlines
Wed 2/119:55 pmOPO - SMF
2 stops30h 06mMultiple Airlines
Deal found 1/7$450
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 2/257:08 amSMF - OPO
2 stops18h 22mUnited Airlines
Sun 3/112:30 pmOPO - SMF
2 stops39h 11mUnited Airlines
Deal found 1/6$462
This Ovago deal was found by Cheapflights users on 1/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:06 amSMF - OPO
2 stops24h 39mBritish Airways
Wed 2/1112:25 pmOPO - SMF
2 stops42h 39mBritish Airways
Deal found 1/7$476
This Air France deal was found by Cheapflights users on 1/8. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/229:55 amSMF - OPO
2 stops16h 35mMultiple Airlines
Sun 3/15:00 amOPO - SMF
2 stops23h 00mMultiple Airlines
Deal found 1/8$484
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/217:08 amSMF - OPO
2 stops18h 22mUnited Airlines
Sat 2/2812:30 pmOPO - SMF
2 stops29h 38mUnited Airlines
Deal found 1/6$487
This United Airlines deal was found by Cheapflights users on 1/7. 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 3/511:06 amSMF - OPO
2 stops19h 39mUnited Airlines
Tue 3/316:00 amOPO - SMF
2 stops20h 45mUnited Airlines
Deal found 1/7$507
This Delta deal was found by Cheapflights users on 1/8. 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.
Wed 4/2911:12 amSMF - OPO
2 stops20h 18mDelta
Wed 5/205:00 amOPO - SMF
2 stops25h 13mDelta
Deal found 1/8$542
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:53 pmSMF - OPO
2 stops47h 07mLufthansa
Sat 5/912:05 pmOPO - SMF
2 stops40h 22mLufthansa
Deal found 1/7$564
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sun 2/226:25 amSMF - OPO
2 stops19h 05mUnited Airlines
Sun 3/16:00 amOPO - SMF
2 stops23h 05mUnited Airlines
Deal found 1/7$588
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Wed 2/411:21 amSMF - OPO
3 stops43h 24mUnited Airlines
Wed 2/116:00 amOPO - SMF
2 stops20h 41mUnited Airlines
Deal found 1/7$607
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 5/24:00 pmSMF - OPO
2 stops35h 10mUnited Airlines
Sat 5/239:00 amOPO - SMF
2 stops21h 36mUnited Airlines
Deal found 1/7$623

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 January 8, 2026.
Use the filters below to find and compare flights from Sacramento to Porto that are best for you.

Fly from

Sacramento

Fly to

Porto

Route

Depart

Return

Price

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 2/25

7:08 am-9:30 am

2 stops18h 22m

Porto

Sun 3/1

12:30 pm-7:41 pm

2 stops39h 11m

$462

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 2/4

8:06 am-4:45 pm

2 stops24h 39m

Porto

Wed 2/11

12:25 pm-11:04 pm

2 stops42h 39m

$476

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 2/21

7:08 am-9:30 am

2 stops18h 22m

Porto

Sat 2/28

12:30 pm-10:08 am

2 stops29h 38m

$487

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Thu 3/5

11:06 am-2:45 pm

2 stops19h 39m

Porto

Tue 3/31

6:00 am-6:45 pm

2 stops20h 45m

$507

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 4/29

9:42 am-3:30 pm

2 stops21h 48m

Porto

Wed 5/20

5:00 am-6:33 pm

2 stops21h 33m

$542

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sun 2/22

6:25 am-9:30 am

2 stops19h 05m

Porto

Sun 3/1

6:00 am-9:05 pm

2 stops23h 05m

$588

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 2/4

11:21 am-2:45 pm

3 stops43h 24m

Porto

Wed 2/11

6:00 am-6:41 pm

2 stops20h 41m

$607

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 5/2

4:00 pm-11:10 am

2 stops35h 10m

Porto

Sat 5/23

9:00 am-10:36 pm

2 stops21h 36m

$623

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 4/29

11:12 am-3:30 pm

2 stops20h 18m

Porto

Fri 5/15

5:00 am-4:28 pm

2 stops19h 28m

$640

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 4/29

11:59 pm-9:45 am

2 stops25h 46m

Porto

Fri 5/15

6:20 am-8:27 pm

2 stops22h 07m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 16 results
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 January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 AranGrant the most. AranGrant 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, March is the cheapest month in which you can book a flight from Sacramento to Porto (average of $523). Flying from Sacramento to Porto in July is currently the most expensive (average of $806). 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 January 8, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Air 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
8,031 reviews

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
8,031 reviews
Delta
7.9
Good
8,031 reviews

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
9,142 reviews
Delta
7.9
Good
8,031 reviews

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
10,603 reviews
Delta
7.9
Good
8,031 reviews

Crew

8.5

Overall

7.9

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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 18h 22m. United Airlines provides one of the quickest options available for as low as $462. 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 Delta, from $726, and United Airlines, from $777. These flights start at 22% 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, March is the cheapest month in which you can book a flight from Sacramento to Porto (average of $523). Flying from Sacramento to Porto in July is currently the most expensive (average of $806). 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
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$681Average$1,090FlexibilityNo cancel feeOn-time67%
DeltaCheapest$726Average$776FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$777Average$1,071FlexibilityNo cancel feeOn-time69%

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