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Porto

$342+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/20. 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.
Wed 3/47:50 am
CLT
-
OPO
2 stops24h 25m
Multiple Airlines
Wed 3/181:45 pm
OPO
-
CLT
1 stop32h 10m
Multiple Airlines
Deal found 1/20$528
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:50 pm
CLT
-
OPO
1 stop13h 00m
Lufthansa
Wed 3/251:45 pm
OPO
-
CLT
1 stop32h 10m
Lufthansa
Deal found 1/21$539
This United Airlines deal was found by Cheapflights users on 1/20. 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 4/196:00 am
CLT
-
OPO
2 stops22h 45m
United Airlines
Wed 4/2912:00 pm
OPO
-
CLT
3 stops26h 53m
United Airlines
Deal found 1/20$540
This British Airways deal was found by Cheapflights users on 1/20. 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.
Sun 4/195:55 pm
CLT
-
OPO
1 stop21h 25m
British Airways
Fri 5/112:25 pm
OPO
-
CLT
2 stops25h 45m
British Airways
Deal found 1/20$548
This British Airways deal was found by Cheapflights users on 1/20. 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 4/159:15 am
CLT
-
OPO
2 stops28h 50m
British Airways
Wed 4/298:20 am
OPO
-
CLT
2 stops18h 28m
British Airways
Deal found 1/20$551
This British Airways deal was found by Cheapflights users on 1/20. 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 4/153:35 pm
CLT
-
OPO
2 stops22h 30m
British Airways
Fri 5/112:25 pm
OPO
-
CLT
2 stops26h 35m
British Airways
Deal found 1/20$552
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/1110:26 am
CLT
-
OPO
2 stops21h 14m
United Airlines
Wed 3/186:00 am
OPO
-
CLT
2 stops38h 17m
United Airlines
Deal found 1/20$553
This Iberia deal was found by Cheapflights users on 1/20. 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 3/43:50 pm
CLT
-
OPO
1 stop10h 50m
Iberia
Wed 3/188:40 pm
OPO
-
CLT
1 stop24h 20m
Iberia
Deal found 1/20$555
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:34 am
CLT
-
OPO
2 stops41h 46m
Multiple Airlines
Mon 4/137:20 pm
OPO
-
CLT
2 stops27h 04m
Multiple Airlines
Deal found 1/20$558
This Travelocity deal was found by Cheapflights users on 1/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:50 pm
CLT
-
OPO
2 stops35h 25m
Multiple Airlines
Wed 3/256:00 am
OPO
-
CLT
2 stops21h 57m
Multiple Airlines
Deal found 1/21$559
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Sat 5/210:52 pm
CLT
-
OPO
2 stops40h 28m
British Airways
Mon 5/1112:25 pm
OPO
-
CLT
2 stops37h 29m
British Airways
Deal found 1/20$561

Find flight deals from Spartanburg to Porto

Keep the following information in mind while searching for Spartanburg to Porto flight deals. Data was last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$519
(Mytrip)

One-way from

$342
(oojo)

Popular in

June

Cheapest in

November

Average price

$726
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 ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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 4/19

5:55 pm-8:20 pm

1 stop21h 25m

Porto

Fri 5/1

12:25 pm-9:10 am

2 stops25h 45m

$548

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 4/19

7:34 am-8:20 pm

2 stops31h 46m

Porto

Wed 4/29

8:20 am-9:52 pm

2 stops18h 32m

$551

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/15

3:35 pm-7:05 pm

2 stops22h 30m

Porto

Fri 5/1

12:25 pm-10:00 am

2 stops26h 35m

$552

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 3/4

3:50 pm-7:40 am

1 stop10h 50m

Porto

Wed 3/18

8:40 pm-5:00 pm

1 stop24h 20m

$555

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 5/12

4:34 pm-7:30 pm

2 stops21h 56m

Porto

Tue 5/19

8:20 am-8:54 pm

2 stops17h 34m

$563

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 5/10

4:34 pm-8:20 pm

2 stops22h 46m

Porto

Tue 5/19

8:20 am-8:54 pm

2 stops17h 34m

$563

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 5/11

6:17 pm-7:50 pm

2 stops20h 33m

Porto

Tue 5/19

8:20 am-8:54 pm

2 stops17h 34m

$563

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 5/11

5:50 pm-7:50 pm

1 stop21h 00m

Porto

Wed 5/20

8:20 am-10:13 am

2 stops30h 53m

$564

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 5/10

8:15 pm-8:20 pm

1 stop19h 05m

Porto

Wed 5/20

12:25 pm-10:13 am

2 stops26h 48m

$564

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 3/3

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Sun 3/8

1:45 pm-5:55 pm

1 stop32h 10m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 23 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 January 16, 2026.

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 $1,082). 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.

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 January 21, 2026.
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
9,191 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,173 reviews
United Airlines
7.4
Good
9,191 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,094 reviews
United Airlines
7.4
Good
9,191 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,736 reviews
United Airlines
7.4
Good
9,191 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,689 reviews
United Airlines
7.4
Good
9,191 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 50m. Fly via British Airways 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 $1,082). 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$576Average$658FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$1,662FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$607Average$747FlexibilityNo cancel feeOn-time71%
IberiaCheapest$641Average$811FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$642Average$1,066FlexibilityNo cancel feeOn-time69%

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