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$279+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/5. 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 11/196:19 pmCLT - OPO
1 stop10h 11mUnited Airlines
Thu 12/46:00 amOPO - CLT
2 stops43h 57mUnited Airlines
Deal found 11/5$579
This Air Canada deal was found by Cheapflights users on 11/5. 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 11/199:30 amCLT - OPO
2 stops22h 45mAir Canada
Wed 12/36:00 amOPO - CLT
2 stops19h 57mAir Canada
Deal found 11/5$587
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/196:19 pmCLT - OPO
1 stop10h 11mUnited Airlines
Wed 12/312:30 pmOPO - CLT
2 stops38h 29mUnited Airlines
Deal found 11/5$602
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/196:19 pmCLT - OPO
1 stop10h 11mUnited Airlines
Mon 12/112:30 pmOPO - CLT
2 stops38h 09mUnited Airlines
Deal found 11/5$648
This Ovago deal was found by Cheapflights users on 11/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:20 pmCLT - OPO
1 stop15h 25mMultiple Airlines
Wed 12/34:40 pmOPO - CLT
1 stop28h 45mMultiple Airlines
Deal found 11/5$682
This Ovago deal was found by Cheapflights users on 11/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:20 pmCLT - OPO
1 stop15h 25mBritish Airways
Tue 12/26:25 pmOPO - CLT
1 stop24h 45mBritish Airways
Deal found 11/5$772
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 11/209:58 amCLT - OPO
2 stops19h 27mDelta
Wed 12/36:00 amOPO - CLT
2 stops20h 51mDelta
Deal found 11/5$776
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 11/206:00 amCLT - OPO
2 stops22h 30mUnited Airlines
Tue 12/212:30 pmOPO - CLT
2 stops38h 29mUnited Airlines
Deal found 11/5$792
This Ovago deal was found by Cheapflights users on 11/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:20 pmCLT - OPO
1 stop15h 25mMultiple Airlines
Tue 12/28:40 pmOPO - CLT
1 stop24h 45mMultiple Airlines
Deal found 11/5$805

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$579
(United Airlines)

One-way from

$279
(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. 20% potential increase in price ($242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($64 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 6, 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

Wed 11/19

6:19 pm-9:30 am

1 stop10h 11m

Porto

Thu 12/4

6:00 am-8:57 pm

2 stops43h 57m

$579

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

6:19 pm-9:30 am

1 stop10h 11m

Porto

Wed 12/3

12:30 pm-9:59 pm

2 stops38h 29m

$602

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

6:19 pm-9:30 am

1 stop10h 11m

Porto

Tue 12/2

12:30 pm-9:59 pm

2 stops38h 29m

$602

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 4/10

7:47 pm-11:25 pm

2 stops22h 38m

Porto

Sat 4/18

6:20 am-4:45 pm

1 stop15h 25m

$630

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 1/23

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Thu 1/29

2:05 pm-4:55 pm

1 stop31h 50m

$637

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 4/10

2:30 pm-9:45 am

1 stop14h 15m

Porto

Sat 4/18

11:05 am-4:45 pm

1 stop34h 40m

$638

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 1/23

7:50 am-12:50 pm

2 stops24h 00m

Porto

Thu 1/29

6:00 am-8:57 pm

2 stops19h 57m

$639

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

5:45 am-6:20 pm

3 stops31h 35m

$279

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

6:19 pm-9:30 am

1 stop10h 11m

$433

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 12/23

5:05 pm-3:25 pm

2 stops41h 20m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 13 results
1
2

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 October 31, 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 $560). Flying from Spartanburg to Porto in June is currently the most expensive (average of $1,082). 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 6, 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.

How much does it cost to fly round-trip from Spartanburg 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 November 6, 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
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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
9,003 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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
11,040 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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
3,007 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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
7,555 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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
7,496 reviews
United Airlines
7.4
Good
9,003 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

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 11m. Fly via United Airlines to get the fastest option. There are 3827 mi between Spartanburg and Porto.

  • 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 $560). Flying from Spartanburg to Porto in June is currently the most expensive (average of $1,082). 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 6, 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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