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$781+ Cheap flights from Salt Lake City (SLC) 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Salt Lake City to Porto

Cheapest flights from Salt Lake City to Porto
Explore the most affordable flight options available from Salt Lake City to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Air France deal was found by Cheapflights users on 12/10. 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 12/152:10 pmSLC - OPO
1 stop13h 20mMultiple Airlines
Mon 12/224:10 pmOPO - SLC
1 stop27h 00mMultiple Airlines
Deal found 12/10$2,101
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/156:50 amSLC - OPO
3 stops25h 05mUnited Airlines
Mon 12/226:00 amOPO - SLC
2 stops21h 57mUnited Airlines
Deal found 12/10$2,501

Find flight deals from Salt Lake City to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$781
(Delta)

Popular in

June

Cheapest in

January

Average price

$1,631
Provider with most accurate pricing for Salt Lake City-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Porto flights.
Search Deals
From Salt Lake City to Porto
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($318 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City 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 December 12, 2025.
Use the filters below to find and compare flights from Salt Lake City to Porto that are best for you.

Fly from

Salt Lake City

Fly to

Porto

Route

Depart

Return

Price

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Wed 4/1

9:30 pm-10:15 pm

1 stop17h 45m

Porto

Fri 4/10

5:00 am-8:00 pm

2 stops22h 00m

$781

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Sun 4/5

2:33 pm-11:25 pm

2 stops25h 52m

Porto

Mon 4/20

7:20 pm-10:36 pm

2 stops34h 16m

$784

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Sun 4/5

3:34 pm-6:10 pm

2 stops19h 36m

Porto

Mon 4/20

5:00 am-12:55 pm

1 stop14h 55m

$835

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Tue 6/9

4:00 pm-6:50 am

2 stops31h 50m

Porto

Wed 6/24

8:40 am-10:09 pm

2 stops20h 29m

$853

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Tue 6/9

7:00 pm-6:50 am

2 stops28h 50m

Porto

Wed 6/24

9:00 am-9:41 pm

2 stops19h 41m

$863

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Tue 6/9

3:10 pm-3:30 pm

2 stops17h 20m

Porto

Wed 6/24

5:00 am-8:00 pm

2 stops22h 00m

$945

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Thu 1/29

1:05 pm-1:15 pm

2 stops17h 10m

Porto

Mon 2/2

6:00 am-7:14 pm

2 stops20h 14m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Salt Lake City 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 Salt Lake City to Porto in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Salt Lake City-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Salt Lake City-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Salt Lake City-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Porto flights, Cheapflights users trust eDreams the most. eDreams 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 Salt Lake City-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 Salt Lake City to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Salt Lake City 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 Salt Lake City to Porto

What is the cheapest month to book a flight from Salt Lake City to Porto?

Currently, March is the cheapest month in which you can book a flight from Salt Lake City to Porto (average of $451). Flying from Salt Lake City to Porto in June is currently the most expensive (average of $1,470). 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 SLC to OPO?

Find hourly flight availability from Salt Lake City 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 December 12, 2025.

When flying from Salt Lake City to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the afternoon.

How much does it cost to fly round-trip from Salt Lake City to Porto?

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 December 12, 2025.
Read through reviews of airlines operating flights from Salt Lake City to Porto, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,432 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,009 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City 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 Salt Lake City to Porto?

    There are many flights that can get you from Salt Lake City to Porto in 17h 45m. Fly via Delta to get the fastest option. There are 5010 mi between Salt Lake City and Porto.

  • What are the cheapest airlines flying from Salt Lake City to Porto round-trip?

    KLM, at $637, was found to be the cheapest airline from Salt Lake City to Porto.Alternate airlines to your destination round-trip include Delta and United Airlines. KLM is currently priced 38% below the average price you’ll pay for this route.

  • Can I find deals for flights from Salt Lake City to Porto that include hotel bookings?

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

  • How can I find direct flights from Salt Lake City to Porto?

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

  • Can I find deals for business class flights from Salt Lake City to Porto?

    Yes. Cheapflights offers flight deals from Salt Lake City 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 Salt Lake City to Porto?

    Currently, March is the cheapest month in which you can book a flight from Salt Lake City to Porto (average of $451). Flying from Salt Lake City to Porto in June is currently the most expensive (average of $1,470). 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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Alternative routes for Salt Lake City to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Salt Lake City to Porto

Discover the top 3 airlines that operate flights from Salt Lake City 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$637Average$932FlexibilityNo cancel feeOn-time75%
DeltaCheapest$641Average$1,086FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$802Average$1,017FlexibilityNo cancel feeOn-time69%

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