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$386+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — OPO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$675
(United Airlines)

One-way from

$386
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,451
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. 32% potential increase in price ($483 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 July 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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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 10/158:20 amSLC - OPO
2 stops18h 25mUnited Airlines
Tue 10/216:00 amOPO - SLC
2 stops21h 27mUnited Airlines
Deal found 7/27$675
This SWISS deal was found by Cheapflights users on 7/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:41 pmSLC - OPO
2 stops22h 49mSWISS
Tue 10/287:25 pmOPO - SLC
2 stops33h 05mSWISS
Deal found 7/28$698
This Lufthansa deal was found by Cheapflights users on 7/27. 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.
Fri 10/179:54 amSLC - OPO
2 stops30h 26mLufthansa
Wed 10/226:00 amOPO - SLC
2 stops23h 25mLufthansa
Deal found 7/27$743
This Delta deal was found by Cheapflights users on 7/27. 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 10/159:00 pmSLC - OPO
1 stop18h 15mDelta
Sun 10/195:00 amOPO - SLC
1 stop15h 05mDelta
Deal found 7/27$873
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:45 pmSLC - OPO
2 stops30h 45mMultiple Airlines
Thu 9/187:25 amOPO - SLC
3 stops36h 49mMultiple Airlines
Deal found 7/28$879
This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:00 pmSLC - OPO
1 stop18h 15mKLM
Mon 10/2011:30 amOPO - SLC
1 stop32h 35mKLM
Deal found 7/27$988

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 July 29, 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 10/15

8:20 am-9:45 am

2 stops18h 25m

Porto

Wed 10/22

6:00 am-9:43 pm

2 stops22h 43m

$675

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Wed 10/22

12:41 pm-6:30 pm

2 stops22h 49m

Porto

Tue 10/28

7:25 pm-10:30 pm

2 stops33h 05m

$698

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Fri 10/17

9:54 am-11:20 pm

2 stops30h 26m

Porto

Wed 10/22

6:00 am-10:25 pm

2 stops23h 25m

$743

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Wed 10/15

9:00 pm-10:15 pm

1 stop18h 15m

Porto

Sun 10/19

5:00 am-1:05 pm

1 stop15h 05m

$873

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Thu 9/11

8:45 pm-10:30 am

2 stops30h 45m

Porto

Thu 9/18

7:25 am-1:14 pm

3 stops36h 49m

$879

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Fri 10/17

9:00 pm-10:15 pm

1 stop18h 15m

Porto

Mon 10/20

11:30 am-1:05 pm

1 stop32h 35m

$988

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Fri 8/15

3:02 pm-11:40 pm

3 stops49h 38m

$386

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Mon 10/27

7:00 am-9:30 am

3 stops20h 30m

$468

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Tue 10/28

7:45 am-7:40 am

2 stops17h 55m

$482

Salt Lake CityPorto

SLC - OPO

SLCOPO

Salt Lake City

Mon 10/27

3:10 pm-10:30 am

1 stop13h 20m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results
1
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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 $1,033). 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 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 July 29, 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.

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 July 29, 2025.
Read through reviews of airlines operating flights from Salt Lake City to Porto, such as Delta, KLM, and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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!
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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!
TAP AIR PORTUGAL
7.1
Good
1,929 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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.

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

    United Airlines, at $675, was found to be the cheapest airline from Salt Lake City to Porto.Alternate airlines to your destination round-trip include SWISS and Lufthansa. United Airlines is currently priced 32% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Salt Lake City to Porto one-way?

    $468 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Iberia and KLM, with prices starting from $482 and $483, respectively.

  • 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 $1,033). 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 Porto?

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

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$566Average$961FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$685Average$1,144FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$773Average$1,017FlexibilityNo cancel feeOn-time69%

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