Porto

$285+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Mar 8 — Mar 151
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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 February 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:50 pm
CLT
-
OPO
1 stop13h 00m
Lufthansa
Tue 3/3111:05 am
OPO
-
CLT
2 stops17h 52m
Lufthansa
Deal found 2/5$524
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Mon 4/139:30 am
CLT
-
OPO
2 stops31h 15m
Multiple Airlines
Tue 4/2110:25 pm
OPO
-
CLT
2 stops27h 35m
Multiple Airlines
Deal found 2/4$571
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Mon 3/167:50 am
CLT
-
OPO
2 stops27h 05m
Multiple Airlines
Tue 3/316:20 am
OPO
-
CLT
1 stop15h 25m
Multiple Airlines
Deal found 2/4$583
This Air Canada deal was found by Cheapflights users on 2/5. 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.
Sun 11/225:00 pm
CLT
-
OPO
2 stops41h 15m
Air Canada
Fri 11/276:00 am
OPO
-
CLT
2 stops39h 19m
Air Canada
Deal found 2/5$589
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:28 pm
CLT
-
OPO
2 stops40h 47m
Lufthansa
Fri 11/276:15 am
OPO
-
CLT
1 stop15h 40m
Lufthansa
Deal found 2/5$590
This Delta deal was found by Cheapflights users on 2/4. 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.
Mon 4/137:59 pm
CLT
-
OPO
2 stops21h 01m
Delta
Thu 4/235:00 am
OPO
-
CLT
2 stops15h 59m
Delta
Deal found 2/4$592
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 4/133:35 pm
CLT
-
OPO
1 stop11h 05m
American Airlines
Tue 4/218:20 am
OPO
-
CLT
2 stops18h 32m
American Airlines
Deal found 2/4$595
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:35 pm
CLT
-
OPO
1 stop11h 05m
Multiple Airlines
Mon 4/274:40 pm
OPO
-
CLT
1 stop26h 00m
Multiple Airlines
Deal found 2/5$596

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$524
(Kiwi.com)

One-way from

$285
(Gurufare)

Popular in

June

Cheapest in

November

Average price

$691
Provider with most accurate pricing for Charlotte Douglas-Porto flight deals.
Provider most trusted by Cheapflights users for Charlotte Douglas-Porto flights.
From Spartanburg to Porto
One-way flight from Spartanburg to Porto
Highest demand for flights based on searches. 20% potential increase in price ($239 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 6, 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

Mon 3/16

7:50 am-2:55 pm

2 stops27h 05m

Porto

Tue 3/31

6:20 am-4:45 pm

1 stop15h 25m

$583

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 4/13

7:59 pm-10:00 pm

2 stops21h 01m

Porto

Thu 4/23

5:00 am-3:59 pm

2 stops15h 59m

$592

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/15

3:35 pm-7:40 am

1 stop11h 05m

Porto

Mon 4/27

4:40 pm-1:40 pm

1 stop26h 00m

$596

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 3/16

2:30 pm-10:30 am

2 stops16h 00m

Porto

Tue 3/31

5:00 am-4:06 pm

2 stops16h 06m

$599

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/15

11:25 am-7:40 am

2 stops15h 15m

Porto

Mon 4/27

8:40 pm-9:52 pm

2 stops30h 12m

$611

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 5/14

6:10 am-5:05 pm

2 stops29h 55m

Porto

Thu 5/21

11:50 am-9:59 pm

2 stops39h 09m

$633

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 3/16

7:50 pm-12:50 pm

1 stop13h 00m

Porto

Sun 3/22

1:45 pm-5:55 pm

1 stop32h 10m

$635

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 3/28

7:50 pm-10:25 pm

1 stop22h 35m

Porto

Sun 4/5

8:40 am-4:45 pm

2 stops37h 05m

$657

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 7/21

1:15 pm-10:30 am

1 stop16h 15m

$285

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 7/21

12:59 pm-10:30 am

2 stops16h 31m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 18 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 January 30, 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.

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 February 6, 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.

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

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

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

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

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

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

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

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

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

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

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

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 16h. Fly via Delta or KLM 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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$574Average$648FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$1,662FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$607Average$803FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$642Average$1,030FlexibilityNo cancel feeOn-time69%
IberiaCheapest$655Average$891FlexibilityNo cancel feeOn-time77%

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