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$341+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Spartanburg to Porto are usually found in January or November, booked 18 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 July 2, 2025.

Round-trip from

$584
(Cheapflightsfares)

One-way from

$341
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,035
From Spartanburg to Porto
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One-way flight from Spartanburg to Porto
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Highest demand for flights based on searches. 25% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($69 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 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 July 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:40 pmCLT - OPO
2 stops16h 00mLufthansa
Fri 10/316:15 amOPO - CLT
1 stop15h 40mLufthansa
Deal found 7/1$584
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/262:50 pmCLT - OPO
2 stops14h 40mUnited Airlines
Wed 11/56:00 amOPO - CLT
2 stops43h 57mUnited Airlines
Deal found 7/1$591
This Iberia deal was found by Cheapflights users on 7/2. 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 10/291:00 pmCLT - OPO
2 stops14h 40mIberia
Wed 11/198:20 amOPO - CLT
1 stop13h 05mIberia
Deal found 7/2$598
This Finnair deal was found by Cheapflights users on 7/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:55 pmCLT - OPO
1 stop10h 45mMultiple Airlines
Tue 11/48:40 pmOPO - CLT
2 stops25h 18mMultiple Airlines
Deal found 7/2$604
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 11/131:06 pmCLT - OPO
2 stops13h 34mAmerican Airlines
Thu 11/278:20 amOPO - CLT
2 stops16h 25mAmerican Airlines
Deal found 7/1$658
This Air Canada deal was found by Cheapflights users on 6/30. 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.
Fri 10/315:15 pmCLT - OPO
2 stops38h 00mAir Canada
Fri 1/166:00 amOPO - CLT
2 stops39h 17mAir Canada
Deal found 6/30$659
This Delta deal was found by Cheapflights users on 7/1. 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 10/2910:07 amCLT - OPO
2 stops20h 43mDelta
Sun 11/211:45 amOPO - CLT
2 stops25h 30mDelta
Deal found 7/1$677
This SWISS deal was found by Cheapflights users on 7/2. 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.
Fri 11/216:50 pmCLT - OPO
2 stops42h 45mSWISS
Sun 11/307:25 pmOPO - CLT
2 stops50h 30mSWISS
Deal found 7/2$690
This Ovago deal was found by Cheapflights users on 7/1. 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.
Sat 10/254:55 pmCLT - OPO
1 stop10h 45mBritish Airways
Tue 11/48:20 amOPO - CLT
2 stops18h 23mBritish Airways
Deal found 7/1$702

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 July 2, 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

Sun 10/19

6:40 pm-3:40 pm

2 stops16h 00m

Porto

Fri 10/31

6:15 am-5:55 pm

1 stop15h 40m

$584

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 10/26

2:50 pm-9:30 am

2 stops14h 40m

Porto

Wed 11/5

6:00 am-8:57 pm

2 stops43h 57m

$591

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/29

1:00 pm-7:40 am

2 stops14h 40m

Porto

Tue 11/4

8:20 am-4:25 pm

1 stop13h 05m

$598

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 10/28

4:55 pm-7:40 am

1 stop10h 45m

Porto

Tue 11/4

8:40 pm-4:25 pm

1 stop24h 45m

$604

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 11/13

1:06 pm-7:40 am

2 stops13h 34m

Porto

Thu 11/27

8:20 am-7:45 pm

2 stops16h 25m

$658

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 10/31

5:15 pm-11:15 am

2 stops38h 00m

Porto

Fri 1/16

6:00 am-4:17 pm

2 stops39h 17m

$659

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/29

10:07 am-10:50 am

2 stops20h 43m

Porto

Sun 11/2

11:45 am-8:15 am

2 stops25h 30m

$677

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 11/21

6:50 pm-6:35 pm

2 stops42h 45m

Porto

Sun 11/30

7:25 pm-4:55 pm

2 stops50h 30m

$690

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 10/25

4:55 pm-8:40 am

1 stop10h 45m

Porto

Tue 11/4

8:20 am-9:43 pm

2 stops18h 23m

$702

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 8/2

7:03 pm-7:00 am

3 stops54h 57m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 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 June 27, 2025.

To ensure you get the cheapest price possible for a flight from Spartanburg to Porto, you should look to book at least 18 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, January is the cheapest month in which you can book a flight from Spartanburg to Porto (average of $523). Flying from Spartanburg 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 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 July 2, 2025.

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

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. Thursday evenings 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 July 2, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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.
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
8,861 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
Air Canada
7.1
Good
9,671 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
Iberia
7.0
Good
2,818 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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 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 6 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

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

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Top 6 airlines flying from Spartanburg to Porto

Discover the top 6 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$865FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$583Average$737FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$599Average$849FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$602Average$2,076FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$610Average$802FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$751Average$1,115FlexibilityNo cancel feeOn-time69%

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