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$518+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — OPO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$666
(United Airlines)

One-way from

$518
(United Airlines)

Popular in

May

Cheapest in

October

Average price

$1,311
From Sacramento Intl to Porto
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One-way flight from Sacramento Intl to Porto
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Highest demand for flights based on searches. 18% potential increase in price ($238 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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 12/35:00 amSMF - OPO
2 stops26h 25mUnited Airlines
Sun 12/76:00 amOPO - SMF
2 stops21h 40mUnited Airlines
Deal found 6/30$666
This Lufthansa deal was found by Cheapflights users on 7/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:49 amSMF - OPO
2 stops29h 36mLufthansa
Sun 12/76:00 amOPO - SMF
2 stops22h 56mLufthansa
Deal found 7/2$667
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:10 amSMF - OPO
2 stops19h 25mMultiple Airlines
Wed 8/204:35 pmOPO - SMF
2 stops38h 34mMultiple Airlines
Deal found 7/2$716
This Air Canada deal was found by Cheapflights users on 7/3. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/264:05 pmSMF - OPO
2 stops33h 30mAir Canada
Fri 10/108:40 amOPO - SMF
2 stops38h 34mAir Canada
Deal found 7/3$803
This Sembo deal was found by Cheapflights users on 7/1. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:16 pmSMF - OPO
2 stops43h 14mKLM
Sat 8/306:05 amOPO - SMF
2 stops18h 07mKLM
Deal found 7/1$1,005
This Priceline deal was found by Cheapflights users on 7/2. 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.
Tue 8/56:34 pmSMF - OPO
2 stops30h 31mBritish Airways
Sat 8/910:40 amOPO - SMF
2 stops42h 04mBritish Airways
Deal found 7/2$1,809
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:15 amSMF - OPO
2 stops20h 40mAmerican Airlines
Tue 10/78:15 amOPO - SMF
3 stops21h 39mAmerican Airlines
Deal found 7/2$3,843
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Tue 9/231:10 pmSMF - OPO
2 stops42h 40mTurkish Airlines
Thu 10/24:50 pmOPO - SMF
2 stops37h 07mTurkish Airlines
Deal found 7/2$4,270

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 July 3, 2025.
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 12/3

5:00 am-3:25 pm

2 stops26h 25m

Porto

Sun 12/7

6:00 am-7:40 pm

2 stops21h 40m

$666

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Wed 12/3

8:49 am-10:25 pm

2 stops29h 36m

Porto

Sun 12/7

6:00 am-8:56 pm

2 stops22h 56m

$667

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Mon 8/4

6:10 am-9:35 am

2 stops19h 25m

Porto

Wed 8/20

4:35 pm-11:09 pm

2 stops38h 34m

$716

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Fri 9/26

4:05 pm-9:35 am

2 stops33h 30m

Porto

Fri 10/10

8:40 am-3:14 pm

2 stops38h 34m

$803

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 8/16

12:16 pm-3:30 pm

2 stops43h 14m

Porto

Sat 8/30

6:05 am-4:12 pm

2 stops18h 07m

$1,005

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Tue 8/5

6:34 pm-9:05 am

2 stops30h 31m

Porto

Sat 8/9

10:40 am-8:44 pm

2 stops42h 04m

$1,809

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sun 9/28

11:15 am-3:55 pm

2 stops20h 40m

Porto

Tue 10/7

8:15 am-9:54 pm

3 stops21h 39m

$3,843

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Tue 9/23

1:10 pm-3:50 pm

2 stops42h 40m

Porto

Thu 10/2

4:50 pm-9:57 pm

2 stops37h 07m

$4,270

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Fri 10/17

9:20 am-9:45 am

2 stops16h 25m

$518

SacramentoPorto

SMF - OPO

SMFOPO

Sacramento Intl

Sat 9/27

4:05 pm-9:35 am

2 stops57h 30m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 11 results
1
2

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, January is the cheapest month in which you can book a flight from Sacramento to Porto (average of $523). Flying from Sacramento to Porto in June is currently the most expensive (average of $1,033). 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.

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

Find hourly flight availability from Sacramento to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Sacramento to Porto in the morning. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.

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 July 3, 2025.
Read reviews from past customers who have flown KLM, United Airlines, and Turkish 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.
KLM
7.8
Good
1,367 reviews

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,367 reviews
KLM
7.8
Good
1,367 reviews

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,861 reviews
KLM
7.8
Good
1,367 reviews

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,895 reviews
KLM
7.8
Good
1,367 reviews

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,367 reviews

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,681 reviews
KLM
7.8
Good
1,367 reviews

Overall

7.8

Comfort

7.7

Food

7.2

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

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

    Cheapflights users have booked flights from Sacramento to Porto round-trip from $666. Other airlines that can offer you cheap pricing are Lufthansa, from $667, and Air Canada, from $803. These flights start at 38% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Sacramento to Porto one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $518. Air Canada flights start at $578 while deals on Iberia start at $657 one-way.

  • 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, January is the cheapest month in which you can book a flight from Sacramento to Porto (average of $523). Flying from Sacramento to Porto in June is currently the most expensive (average of $1,033). 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 Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$681Average$920FlexibilityNo cancel feeOn-time67%
DeltaCheapest$726Average$776FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,005Average$1,071FlexibilityNo cancel feeOn-time69%

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