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$353+ Cheap flights from Spartanburg, SC 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Spartanburg to Porto are usually found in January or November, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Monday

Find flight deals from Spartanburg to Porto

Cheapest flights from Spartanburg to Porto
Explore the most affordable flight options available from Spartanburg to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Flightnetwork deal was found by Cheapflights users on 11/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:50 pmCLT - OPO
1 stop13h 00mLufthansa
Wed 1/141:45 pmOPO - CLT
1 stop32h 10mLufthansa
Deal found 11/11$582
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:45 pmCLT - OPO
1 stop10h 55mAmerican Airlines
Wed 1/148:20 amOPO - CLT
2 stops16h 44mAmerican Airlines
Deal found 11/11$710
This Iberia deal was found by Cheapflights users on 11/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:40 pmCLT - OPO
1 stop11h 00mIberia
Sun 12/218:40 pmOPO - CLT
2 stops28h 22mIberia
Deal found 11/11$719
This United deal was found by Cheapflights users on 11/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:19 pmCLT - OPO
2 stops36h 21mMultiple Airlines
Wed 1/1412:10 pmOPO - CLT
2 stops33h 45mMultiple Airlines
Deal found 11/11$762
This Booking.com deal was found by Cheapflights users on 11/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:40 pmCLT - OPO
1 stop15h 05mMultiple Airlines
Sun 12/218:40 pmOPO - CLT
1 stop24h 40mMultiple Airlines
Deal found 11/11$800
This Mytrip deal was found by Cheapflights users on 11/13. 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.
Fri 11/146:50 pmCLT - OPO
3 stops22h 00mMultiple Airlines
Fri 11/219:55 pmOPO - CLT
2 stops24h 00mMultiple Airlines
Deal found 11/13$807

Cheap flight deals from Spartanburg to Porto

Keep the following information in mind while searching for Spartanburg to Porto flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$582
(Flightnetwork)

One-way from

$353
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$642
Provider with most accurate pricing for Charlotte Douglas-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charlotte Douglas-Porto flights.
Search Deals
From Spartanburg to Porto
Search Deals
One-way flight from Spartanburg to Porto
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spartanburg 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 November 13, 2025.
Use the filters below to find and compare flights from Spartanburg to Porto that are best for you.

Fly from

Spartanburg

Fly to

Porto

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/29

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Wed 1/14

1:45 pm-4:55 pm

1 stop32h 10m

$582

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 1/23

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Thu 1/29

6:00 am-6:59 pm

2 stops17h 59m

$622

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 1/23

4:10 pm-7:40 am

1 stop10h 30m

Porto

Thu 1/29

8:20 am-4:05 pm

1 stop12h 45m

$644

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 2/5

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Mon 2/9

1:45 pm-8:57 pm

2 stops36h 12m

$646

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 2/5

4:10 pm-11:45 am

1 stop14h 35m

Porto

Mon 2/9

8:40 pm-4:05 pm

1 stop24h 25m

$654

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 2/5

4:10 pm-11:45 am

1 stop14h 35m

Porto

Mon 2/9

8:40 pm-4:05 pm

1 stop24h 25m

$654

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/29

3:45 pm-7:40 am

1 stop10h 55m

Porto

Wed 1/14

8:20 am-8:04 pm

2 stops16h 44m

$710

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 12/10

3:40 pm-7:40 am

1 stop11h 00m

Porto

Sun 12/21

8:40 pm-8:02 pm

2 stops28h 22m

$719

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/16

6:00 am-8:40 am

2 stops45h 40m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Best time to book a flight from Spartanburg to Porto

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

How far ahead should I book a flight from Spartanburg to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Spartanburg to Porto. Price data was last updated on November 7, 2025.

To ensure you get the cheapest price possible for a flight from Spartanburg to Porto, you should look to book at least 60 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Spartanburg to Porto (average of $555). Flying from Spartanburg to Porto in June is currently the most expensive (average of $1,081). 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 SB1 to OPO?

Find hourly flight availability from Spartanburg 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 November 13, 2025.

It’s optimal to fly from Spartanburg to Porto in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Spartanburg to Porto?

Use this chart to determine the cheapest time to fly round-trip from Spartanburg to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Spartanburg to Porto flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 13, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Iberia from Spartanburg to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,016 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,016 reviews
United Airlines
7.4
Good
9,016 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,016 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,011 reviews
United Airlines
7.4
Good
9,016 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,572 reviews
United Airlines
7.4
Good
9,016 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,516 reviews
United Airlines
7.4
Good
9,016 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Spartanburg 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 Spartanburg?

    Most people fly into Porto (OPO) if they book a flight to Porto from Spartanburg. On average, Porto has 0 inbound flights from Spartanburg per day from 5 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from Spartanburg to Porto?

    There are many flights that can get you from Spartanburg to Porto in 10h 30m. Fly via Lufthansa or Iberia to get the fastest option. There are 3827 mi between Spartanburg and Porto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Spartanburg to Porto?

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

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

    Yes. Cheapflights offers flight deals from Spartanburg 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 Spartanburg to Porto?

    Currently, November is the cheapest month in which you can book a flight from Spartanburg to Porto (average of $555). Flying from Spartanburg to Porto in June is currently the most expensive (average of $1,081). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Spartanburg to Porto

Discover the top 5 airlines that operate flights from Spartanburg 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$588Average$811FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$608Average$713FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$608Average$849FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$619Average$1,062FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$663Average$2,070FlexibilityNo cancel feeOn-time70%

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