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$310+ Cheap flights from Salt Lake City (SLC) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — OPO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$550
(United Airlines)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,005
From Salt Lake City to Porto
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One-way flight from Salt Lake City to Porto
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Highest demand for flights based on searches. 31% potential increase in price ($475 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
mar. 11/47:00 amSLC - OPO
2 stops19h 30mUnited Airlines
mié. 11/126:00 amOPO - SLC
2 stops24h 13mUnited Airlines
Deal found 9/11$550
This United Airlines deal was found by Cheapflights users on 9/9. 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.
mar. 11/48:30 amSLC - OPO
2 stops18h 00mUnited Airlines
jue. 11/136:00 amOPO - SLC
2 stops23h 00mUnited Airlines
Deal found 9/9$552
This United Airlines deal was found by Cheapflights users on 9/11. 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.
mar. 11/48:30 amSLC - OPO
2 stops18h 00mUnited Airlines
vie. 11/1412:35 pmOPO - SLC
1 stop17h 38mUnited Airlines
Deal found 9/11$553
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/410:09 amSLC - OPO
2 stops16h 21mUnited Airlines
mar. 11/1112:30 pmOPO - SLC
2 stops41h 01mUnited Airlines
Deal found 9/11$565
This United Airlines deal was found by Cheapflights users on 9/11. 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.
lun. 11/32:45 pmSLC - OPO
2 stops17h 10mUnited Airlines
mié. 11/126:00 amOPO - SLC
2 stops24h 13mUnited Airlines
Deal found 9/11$577
This United Airlines deal was found by Cheapflights users on 9/11. 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.
mié. 11/510:55 amSLC - OPO
2 stops21h 30mUnited Airlines
jue. 11/1312:35 pmOPO - SLC
2 stops27h 59mUnited Airlines
Deal found 9/11$579
This United Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 11/51:00 pmSLC - OPO
2 stops19h 25mUnited Airlines
mié. 11/1212:35 pmOPO - SLC
1 stop17h 38mUnited Airlines
Deal found 9/9$582
This United Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 11/57:00 amSLC - OPO
3 stops25h 25mUnited Airlines
vie. 11/146:00 amOPO - SLC
2 stops24h 13mUnited Airlines
Deal found 9/9$587
This Delta deal was found by Cheapflights users on 9/11. 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.
mar. 11/42:10 pmSLC - OPO
1 stop13h 20mDelta
mié. 11/1211:25 amOPO - SLC
1 stop33h 00mDelta
Deal found 9/11$594

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 septiembre 11, 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

mar. 11/4

8:30 am-9:30 am

2 stops18h 00m

Porto

mié. 11/12

6:00 am-11:13 pm

2 stops24h 13m

$552

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mar. 11/4

8:30 am-9:30 am

2 stops18h 00m

Porto

jue. 11/13

6:00 am-10:00 pm

2 stops23h 00m

$552

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mié. 11/5

10:55 am-3:25 pm

2 stops21h 30m

Porto

vie. 11/14

6:00 am-11:13 pm

2 stops24h 13m

$579

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mié. 11/5

1:00 pm-3:25 pm

2 stops19h 25m

Porto

jue. 11/13

12:35 pm-11:13 pm

1 stop17h 38m

$579

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mié. 11/5

1:00 pm-3:25 pm

2 stops19h 25m

Porto

mié. 11/12

12:35 pm-11:13 pm

1 stop17h 38m

$582

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mar. 11/4

2:10 pm-10:30 am

1 stop13h 20m

Porto

jue. 11/13

11:20 am-1:25 pm

1 stop33h 05m

$596

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mié. 11/5

2:10 pm-10:30 am

1 stop13h 20m

Porto

mar. 11/11

11:10 am-1:25 pm

1 stop33h 15m

$596

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

mié. 11/5

2:10 pm-10:30 am

1 stop13h 20m

Porto

lun. 11/10

4:10 pm-12:10 pm

1 stop27h 00m

$597

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

lun. 11/3

7:00 am-10:15 am

2 stops20h 15m

Porto

mar. 11/11

11:10 am-1:25 pm

1 stop33h 15m

$600

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

lun. 11/3

7:00 am-10:15 am

2 stops20h 15m

Porto

lun. 11/10

11:15 am-12:10 pm

1 stop31h 55m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 15 results
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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, January is the cheapest month in which you can book a flight from Salt Lake City to Porto (average of $523). Flying from Salt Lake City to Porto in June is currently the most expensive (average of $1,027). 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 septiembre 11, 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 35% versus a flight in the afternoon.

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 septiembre 11, 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
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 18h. Fly via United Airlines 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 37% 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, January is the cheapest month in which you can book a flight from Salt Lake City to Porto (average of $523). Flying from Salt Lake City to Porto in June is currently the most expensive (average of $1,027). 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

Browse thousands of different options on Cheapflights for your next trip

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$637Average$1,144FlexibilityNo cancel feeOn-time75%
DeltaCheapest$641Average$1,101FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$773Average$1,017FlexibilityNo cancel feeOn-time69%

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