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$289+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Spartanburg to Porto are usually found in January or November, booked 24 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$562
(Iberia)

One-way from

$289
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$849
Provider with most accurate pricing for Charlotte Douglas-Porto flight deals.
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Provider most trusted by Cheapflights users for Charlotte Douglas-Porto flights.
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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. 21% potential increase in price ($222 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Iberia deal was found by Cheapflights users on 4/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:00 pmCLT - OPO
1 stop10h 40mIberia
Tue 11/48:40 pmOPO - CLT
2 stops30h 03mIberia
Deal found 4/30$562
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:30 pmCLT - OPO
2 stops16h 15mAmerican Airlines
Fri 1/168:20 amOPO - CLT
2 stops16h 25mAmerican Airlines
Deal found 4/30$567
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:55 pmCLT - OPO
2 stops26h 40mMultiple Airlines
Sat 10/188:35 pmOPO - CLT
1 stop24h 35mMultiple Airlines
Deal found 4/30$668
This Lufthansa deal was found by Cheapflights users on 4/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:35 amCLT - OPO
2 stops31h 45mLufthansa
Thu 10/166:15 amOPO - CLT
1 stop15h 30mLufthansa
Deal found 4/30$673
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:02 pmCLT - OPO
1 stop10h 43mUnited Airlines
Tue 11/412:35 pmOPO - CLT
1 stop13h 23mUnited Airlines
Deal found 4/30$697
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:40 pmCLT - OPO
1 stop10h 55mBritish Airways
Thu 10/308:20 amOPO - CLT
2 stops17h 28mBritish Airways
Deal found 4/30$741
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:40 pmCLT - OPO
2 stops17h 45mSWISS
Sat 9/272:35 pmOPO - CLT
2 stops55h 10mSWISS
Deal found 4/30$750
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Tue 9/93:15 pmCLT - OPO
2 stops37h 05mAir Canada
Thu 9/1812:10 pmOPO - CLT
2 stops34h 05mAir Canada
Deal found 4/30$866
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:21 amCLT - OPO
2 stops19h 39mScandinavian Airlines
Wed 6/1812:15 pmOPO - CLT
2 stops40h 44mScandinavian Airlines
Deal found 4/30$1,248

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 May 1, 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 10/26

5:00 pm-7:40 am

1 stop10h 40m

Porto

Tue 11/4

8:40 pm-9:43 pm

2 stops30h 03m

$562

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 10/26

6:00 pm-11:45 am

2 stops13h 45m

Porto

Tue 11/4

8:20 am-9:50 pm

2 stops18h 30m

$592

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 10/10

11:55 pm-7:35 am

2 stops26h 40m

Porto

Sat 10/18

8:35 pm-4:10 pm

1 stop24h 35m

$668

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/8

10:35 am-11:20 pm

2 stops31h 45m

Porto

Thu 10/16

6:15 am-4:45 pm

1 stop15h 30m

$673

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 10/23

6:02 pm-9:45 am

1 stop10h 43m

Porto

Tue 11/4

12:35 pm-8:58 pm

1 stop13h 23m

$697

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 10/2

3:40 pm-7:35 am

1 stop10h 55m

Porto

Thu 10/30

8:20 am-9:48 pm

2 stops17h 28m

$741

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 9/22

6:40 pm-5:25 pm

2 stops17h 45m

Porto

Sat 9/27

2:35 pm-4:45 pm

2 stops55h 10m

$750

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 9/9

3:15 pm-9:20 am

2 stops37h 05m

Porto

Thu 9/18

12:10 pm-5:15 pm

2 stops34h 05m

$866

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 5/13

10:21 am-11:00 am

2 stops19h 39m

Porto

Wed 6/18

12:15 pm-11:59 pm

2 stops40h 44m

$1,248

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/15

6:32 pm-6:40 pm

2 stops19h 08m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 results
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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 April 25, 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 $1,071). 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 May 1, 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 May 1, 2025.
See what other customers who have flown with SWISS, United Airlines and Scandinavian 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.
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Entertainment

6.7

Crew

8.2

Boarding

7.6

Food

7.0

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,588 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Entertainment

6.7

Crew

8.2

Boarding

7.6

Food

7.0

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,696 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Entertainment

6.7

Crew

8.2

Boarding

7.6

Food

7.0

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Scandinavian Airlines
7.3
Good
1,349 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Entertainment

6.7

Crew

8.2

Boarding

7.6

Food

7.0

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Entertainment

6.7

Crew

8.2

Boarding

7.6

Food

7.0

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.0
Good
9,245 reviews
SWISS
7.5
Good
1,588 reviews

Overall

7.5

Entertainment

6.7

Crew

8.2

Boarding

7.6

Food

7.0

Comfort

7.4

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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.

  • 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 $1,071). 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 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$557Average$693FlexibilityNo cancel feeOn-time77%
DeltaCheapest$565Average$937FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$567Average$802FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$569Average$849FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$815Average$1,073FlexibilityNo cancel feeOn-time69%

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