How long is the flight from Sacramento to Porto?

A quick flight from Sacramento to Porto can take about 18h 40m. United Airlines provides one of the quickest options available for as low as $732. There are 5483 mi between Sacramento and Porto.

What is the cheapest airline to fly from Sacramento to Porto round-trip?

Cheapflights users have booked flights from Sacramento to Porto round-trip from $508.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from SMF to OPO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sacramento to Porto as you normally would.

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.

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.

$732+ Cheap Flights from Sacramento to Porto

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Cheap flight deals from Sacramento to Porto

Cheapest

Best

Last-minute

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 November 13, 2026.

Wed 12/2311:53 pm -

2 stops25h 37m

Wed 12/306:00 am -

2 stops50h 45m

Deal found 11/8

$941

Thu 12/2411:35 pm -

2 stops25h 55m

Thu 12/3112:35 pm -

2 stops20h 10m

Deal found 11/9

$1,147

Fri 12/256:00 am -

2 stops19h 30m

Fri 1/112:35 pm -

2 stops31h 24m

Deal found 11/10

$1,459

Sun 12/276:00 am -

2 stops43h 30m

Sun 1/312:35 pm -

2 stops31h 24m

Deal found 11/12

$1,536

Sat 12/2611:20 pm -

2 stops26h 10m

Sat 1/212:35 pm -

2 stops31h 24m

Deal found 11/11

$1,870

Best flights from Sacramento to Porto
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 November 13, 2026.

Sun 2/286:50 am -

2 stops18h 40m

Wed 3/36:00 am -

2 stops37h 09m

Deal found 11/12

$732

Tue 5/410:45 am -

2 stops22h 50m

Tue 5/184:50 pm -

2 stops36h 52m

Deal found 11/10

$848

Mon 3/16:50 am -

2 stops18h 40m

Wed 3/312:35 pm -

2 stops30h 34m

Deal found 11/12

$732

Sat 3/2011:00 pm -

1 stop27h 30m

Mon 3/2912:00 pm -

2 stops53h 25m

Deal found 11/11

$767

Fri 2/266:50 am -

2 stops18h 40m

Wed 3/312:35 pm -

2 stops30h 34m

Deal found 11/12

$782

Thu 2/255:00 am -

2 stops20h 30m

Wed 3/36:00 am -

2 stops37h 09m

Deal found 11/12

$782

Wed 12/2311:53 pm -

2 stops25h 37m

Wed 12/306:00 am -

2 stops50h 45m

Deal found 11/8

$941

Sun 2/147:30 am -

2 stops23h 50m

Thu 2/187:00 am -

3 stops45h 25m

Deal found 11/11

$1,033

Thu 12/247:48 pm -

3 stops29h 42m

Thu 12/3112:35 pm -

2 stops31h 24m

Deal found 11/9

$1,147

Last-minute flights from Sacramento to Porto
Discover last-minute flight deals from Sacramento to Porto. Data last updated November 13, 2026 and is based on user searches.

Wed 12/2311:53 pm -

2 stops25h 37m

Wed 12/306:00 am -

2 stops50h 45m

Deal found 11/8

$941

Thu 12/247:48 pm -

3 stops29h 42m

Thu 12/3112:35 pm -

2 stops31h 24m

Deal found 11/9

$1,147

Fri 12/256:00 am -

2 stops19h 30m

Fri 1/112:35 pm -

2 stops31h 24m

Deal found 11/10

$1,459

Sat 12/2611:20 pm -

2 stops26h 10m

Sat 1/212:35 pm -

2 stops31h 24m

Deal found 11/11

$1,870

Sun 12/276:00 am -

2 stops43h 30m

Sun 1/312:35 pm -

2 stops31h 24m

Deal found 11/12

$1,536

Find flight deals from Sacramento to Porto

Most accurate provider	Ovago 3 stars
Most trusted provider	Ovago 3 stars
Round-trip from	$723 (Expedia)
Popular in	June
Cheapest in	February
Average price	$950

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

Highest demand for flights based on searches. 15% potential increase in price ($176 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Sun 2/28

6:50 am-9:30 am

2 stops18h 40m

Porto

Wed 3/3

6:00 am-11:09 am

2 stops37h 09m

$732

Quickest round-trip

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Mon 3/1

6:50 am-9:30 am

2 stops18h 40m

Porto

Wed 3/3

12:35 pm-11:09 am

2 stops30h 34m

$732

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Sat 3/20

11:00 pm-9:30 am

1 stop27h 30m

Porto

Mon 3/29

12:00 pm-9:25 am

2 stops53h 25m

$767

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Fri 2/26

6:50 am-9:30 am

2 stops18h 40m

Porto

Wed 3/3

12:35 pm-11:09 am

2 stops30h 34m

$782

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Thu 2/25

5:00 am-9:30 am

2 stops20h 30m

Porto

Wed 3/3

6:00 am-11:09 am

2 stops37h 09m

$782

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Tue 5/4

10:45 am-5:35 pm

2 stops22h 50m

Porto

Tue 5/18

4:50 pm-9:42 pm

2 stops36h 52m

$848

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Wed 12/23

11:53 pm-9:30 am

2 stops25h 37m

Porto

Wed 12/30

6:00 am-12:45 am

2 stops50h 45m

$941

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Sun 2/14

7:30 am-3:20 pm

2 stops23h 50m

Porto

Thu 2/18

7:00 am-8:25 pm

3 stops45h 25m

$1,033

SacramentoPorto

SMF Sacramento Intl - OPO Porto

SMFOPO

Sacramento Intl

Thu 12/24

7:48 pm-9:30 am

3 stops29h 42m

Porto

Thu 12/31

12:35 pm-11:59 am

2 stops31h 24m

$1,147

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Sorted by cheapest first

Compare providers for flights from Sacramento to Porto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to Porto in November.

Provider	Price Accuracy	Trust Score*
Ovago	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust 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 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

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.

United Airlines

7.3

Good

10,486 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

United Airlines

7.3

Good

10,486 reviews

United Airlines

7.3

Good

10,486 reviews

Reviews

1 / 20

4.0

Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

How long is the flight from Sacramento to Porto?
A quick flight from Sacramento to Porto can take about 18h 40m. United Airlines provides one of the quickest options available for as low as $732. There are 5483 mi between Sacramento and Porto.
What is the cheapest airline to fly from Sacramento to Porto round-trip?
Cheapflights users have booked flights from Sacramento to Porto round-trip from $508.
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.

See more FAQs

Vila Nova de Gaia

Arcos de Valdevez

Coimbra

Aveiro

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Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Porto flight routes

Alternative routes for Sacramento to Porto

Top airline flying from Sacramento to Porto

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$508	Average$1,695	FlexibilityNo cancel fee	On-time69%

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$732+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sacramento to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sacramento to Porto

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 November 13, 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 November 13, 2026.

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 November 13, 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 November 13, 2026.

Last-minute flights from Sacramento to PortoDiscover last-minute flight deals from Sacramento to Porto. Data last updated November 13, 2026 and is based on user searches.

Discover last-minute flight deals from Sacramento to Porto. Data last updated November 13, 2026 and is based on user searches.

Find flight deals from Sacramento to Porto

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 November.

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.

Reviews of airlines servicing Porto

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.

Related info for your journey

How long is the flight from Sacramento to Porto?

What is the cheapest airline to fly from Sacramento to Porto round-trip?

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

How can I find direct flights from Sacramento to Porto?

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

Traveling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sacramento to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Porto by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sacramento to Porto by cabin class

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 November 13, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

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 November 13, 2026.

Top airline flying from Sacramento to Porto

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Book with Flexibility

Travel Smart

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 November 13, 2026.

Best flights from Sacramento to Porto
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 November 13, 2026.

Last-minute flights from Sacramento to Porto
Discover last-minute flight deals from Sacramento to Porto. Data last updated November 13, 2026 and is based on user searches.