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$438+ Cheap flights from South Carolina 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — OPO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from South Carolina to Porto

Keep the following information in mind while searching for South Carolina to Porto flight deals. Data was last updated September 16, 2025.

Round-trip from

$535
(United Airlines)

One-way from

$438
(United Airlines)
From South Carolina to Porto
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One-way flight from South Carolina to Porto
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Find flight deals from South Carolina to Porto

Cheapest flights from South Carolina to Porto
Explore the most affordable flight options available from South Carolina to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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 10/206:31 pmCLT - OPO
1 stop10h 14mUnited Airlines
Wed 11/512:35 pmOPO - CLT
1 stop14h 24mUnited Airlines
Deal found 9/16$535
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 11/46:20 pmCLT - OPO
1 stop10h 10mUnited Airlines
Fri 1/166:00 amOPO - CLT
2 stops39h 17mUnited Airlines
Deal found 9/13$536
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 11/410:43 amCLT - OPO
2 stops17h 47mUnited Airlines
Thu 1/156:00 amOPO - CLT
2 stops39h 17mUnited Airlines
Deal found 9/13$541
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/25:00 amCLT - OPO
2 stops22h 30mUnited Airlines
Thu 1/156:00 amOPO - CLT
2 stops17h 59mUnited Airlines
Deal found 9/13$544
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 11/25:00 amCLT - OPO
2 stops22h 30mUnited Airlines
Fri 1/166:00 amOPO - CLT
2 stops20h 16mUnited Airlines
Deal found 9/15$545
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/23:40 pmCLT - OPO
1 stop11h 00mAmerican Airlines
Fri 1/168:20 amOPO - CLT
2 stops18h 23mAmerican Airlines
Deal found 9/14$554
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 10/78:30 amCLT - OPO
2 stops25h 30mMultiple Airlines
Tue 10/1411:50 amOPO - CLT
2 stops33h 55mMultiple Airlines
Deal found 9/13$556
This Lufthansa deal was found by Cheapflights users on 9/13. 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.
Sun 11/26:50 pmCLT - OPO
1 stop13h 00mLufthansa
Thu 1/152:05 pmOPO - CLT
1 stop31h 50mLufthansa
Deal found 9/13$560
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Wed 11/59:30 amCLT - OPO
2 stops22h 45mAir Canada
Fri 1/166:00 amOPO - CLT
2 stops39h 17mAir Canada
Deal found 9/13$561
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 pmCLT - OPO
1 stop13h 00mLufthansa
Thu 1/152:05 pmOPO - CLT
1 stop31h 50mLufthansa
Deal found 9/13$565
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 10/203:15 pmCLT - OPO
2 stops18h 50mMultiple Airlines
Wed 11/54:05 pmOPO - CLT
3 stops29h 50mMultiple Airlines
Deal found 9/16$568
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 10/146:44 pmGSP - OPO
2 stops15h 46mDelta
Tue 10/2811:10 amOPO - GSP
2 stops16h 45mDelta
Deal found 9/15$733

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Carolina 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 September 16, 2025.
Use the filters below to find and compare flights from South Carolina to Porto that are best for you.

Fly from

South Carolina

Fly to

Porto

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 10/20

10:34 am-9:45 am

2 stops18h 11m

Porto

Wed 11/5

12:35 pm-1:10 pm

1 stop29h 35m

$535

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 11/4

6:20 pm-9:30 am

1 stop10h 10m

Porto

Fri 1/16

6:00 am-4:17 pm

2 stops39h 17m

$536

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

5:00 am-8:30 am

2 stops22h 30m

Porto

Thu 1/15

6:00 am-6:59 pm

2 stops17h 59m

$544

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

5:00 am-8:30 am

2 stops22h 30m

Porto

Fri 1/16

6:00 am-9:16 pm

2 stops20h 16m

$545

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

3:40 pm-7:40 am

1 stop11h 00m

Porto

Fri 1/16

8:20 am-9:43 pm

2 stops18h 23m

$554

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 11/4

6:20 pm-9:30 am

1 stop10h 10m

Porto

Mon 1/19

12:30 pm-8:57 pm

2 stops37h 27m

$556

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

4:19 pm-11:45 am

2 stops14h 26m

Porto

Mon 3/9

8:40 pm-9:52 pm

2 stops29h 12m

$558

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Mon 3/9

1:45 pm-5:55 pm

1 stop32h 10m

$561

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 1/12

12:00 pm-10:30 am

2 stops17h 30m

Porto

Thu 1/22

11:20 am-10:05 pm

2 stops15h 45m

$577

GreenvillePorto

GSP - OPO

GSPOPO

Greenville

Mon 1/12

12:00 pm-10:30 am

2 stops17h 30m

Porto

Thu 1/22

11:20 am-10:05 pm

2 stops15h 45m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
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Best time to book a flight from South Carolina to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from South Carolina 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 South Carolina to Porto

What is the cheapest month to book a flight from South Carolina to Porto?

Currently, January is the cheapest month in which you can book a flight from South Carolina to Porto (average of $523). Flying from South Carolina 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 SC to OPO?

Find hourly flight availability from South Carolina 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 September 16, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from South Carolina to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from South Carolina?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from South Carolina to Porto.

  • How long is the flight from South Carolina to Porto?

    Departing from South Carolina to Porto will take you 17h 30m. South Carolina and Porto are separated by a distance of 3901 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from South Carolina to Porto that include hotel bookings?

    Yes. In addition to deals on South Carolina to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Carolina to Porto?

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

  • Can I find deals for business class flights from South Carolina to Porto?

    Yes. Cheapflights offers flight deals from South Carolina 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 South Carolina to Porto?

    Currently, January is the cheapest month in which you can book a flight from South Carolina to Porto (average of $523). Flying from South Carolina 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

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Alternative routes for South Carolina to Porto

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Top 2 airlines flying from South Carolina to Porto

Discover the top 2 airlines that operate flights from South Carolina 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$577Average$963FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$751Average$1,017FlexibilityNo cancel feeOn-time69%

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