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$252+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$589
(United Airlines)

One-way from

$252
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,619
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. 24% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 16, 2025.

This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:20 pmCLT - OPO
1 stop10h 10mUnited Airlines
Wed 11/266:00 amOPO - CLT
2 stops22h 58mUnited Airlines
Deal found 6/14$589
This Iberia deal was found by Cheapflights users on 6/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:00 pmCLT - OPO
1 stop10h 40mIberia
Wed 12/108:20 amOPO - CLT
1 stop12h 50mIberia
Deal found 6/14$593
This Flightnetwork deal was found by Cheapflights users on 6/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:30 amCLT - OPO
2 stops22h 30mMultiple Airlines
Sat 10/257:20 pmOPO - CLT
2 stops27h 35mMultiple Airlines
Deal found 6/15$602
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 10/291:30 pmCLT - OPO
2 stops14h 10mAmerican Airlines
Wed 11/198:20 amOPO - CLT
2 stops18h 23mAmerican Airlines
Deal found 6/14$608
This Lufthansa deal was found by Cheapflights users on 6/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:44 pmCLT - OPO
2 stops23h 01mLufthansa
Fri 11/146:00 amOPO - CLT
2 stops22h 58mLufthansa
Deal found 6/14$611
This British Airways deal was found by Cheapflights users on 6/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:55 pmCLT - OPO
1 stop14h 50mBritish Airways
Wed 11/198:40 pmOPO - CLT
1 stop24h 45mBritish Airways
Deal found 6/16$629
This Air Canada deal was found by Cheapflights users on 6/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:40 pmCLT - OPO
2 stops32h 55mAir Canada
Thu 8/2812:10 pmOPO - CLT
2 stops34h 05mAir Canada
Deal found 6/16$632
This SWISS deal was found by Cheapflights users on 6/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:50 pmCLT - OPO
2 stops35h 25mSWISS
Wed 12/107:20 pmOPO - CLT
2 stops26h 35mSWISS
Deal found 6/14$647
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:37 pmCLT - OPO
2 stops17h 38mDelta
Wed 8/274:20 pmOPO - CLT
2 stops20h 56mDelta
Deal found 6/16$688

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 June 16, 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 11/17

6:20 pm-9:30 am

1 stop10h 10m

Porto

Wed 11/26

6:00 am-11:58 pm

2 stops22h 58m

$589

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 12/3

4:00 pm-7:40 am

1 stop10h 40m

Porto

Wed 12/10

8:20 am-4:10 pm

1 stop12h 50m

$593

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 10/19

8:30 am-12:00 pm

2 stops22h 30m

Porto

Sat 10/25

7:20 pm-5:55 pm

2 stops27h 35m

$602

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/29

1:30 pm-7:40 am

2 stops14h 10m

Porto

Wed 11/19

8:20 am-9:43 pm

2 stops18h 23m

$608

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/5

7:44 pm-11:45 pm

2 stops23h 01m

Porto

Fri 11/14

6:00 am-11:58 pm

2 stops22h 58m

$611

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/29

4:55 pm-11:45 am

1 stop14h 50m

Porto

Wed 11/19

8:40 pm-4:25 pm

1 stop24h 45m

$629

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 8/15

7:40 pm-9:35 am

2 stops32h 55m

Porto

Thu 8/28

12:10 pm-5:15 pm

2 stops34h 05m

$632

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/30

6:50 pm-11:15 am

2 stops35h 25m

Porto

Wed 12/10

7:20 pm-4:55 pm

2 stops26h 35m

$647

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 8/14

7:37 pm-6:15 pm

2 stops17h 38m

Porto

Wed 8/27

4:20 pm-8:16 am

2 stops20h 56m

$688

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 10/6

6:32 pm-5:15 pm

2 stops41h 43m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 16 results
1
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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 13, 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 $1,040). 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 June 16, 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 16, 2025.
See what other customers who have flown with Delta, SWISS and United Airlines from Spartanburg to Porto have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
1,628 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
8,801 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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
9,563 reviews
Delta
8.0
Very good
7,963 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

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.

  • What are the cheapest airlines to fly from Spartanburg to Porto one-way?

    The cheapest airlines for a one-way flight from Spartanburg to Porto are Air Canada ($496), Lufthansa ($613), and United Airlines ($787).

  • 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 $1,040). 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
Arcos de Valdevez

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$938FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$568Average$727FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$590Average$757FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$599Average$849FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$602Average$2,076FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$702Average$1,116FlexibilityNo cancel feeOn-time69%

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