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$571+ Cheap flights from Charlotte (CLT) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Charlotte Douglas to Porto are usually found in January or November, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Charlotte to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Charlotte (CLT) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$571
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$872
Provider with most accurate pricing for Charlotte Douglas-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charlotte Douglas-Porto flights.
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From Charlotte Douglas to Porto
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($227 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Charlotte to Porto

Cheapest flights from Charlotte to Porto
Explore the most affordable flight options available from Charlotte to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 11/176:00 amCLT - OPO
2 stops22h 30mUnited Airlines
Wed 12/36:00 amOPO - CLT
2 stops20h 59mUnited Airlines
Deal found 10/26$576
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/176:50 pmCLT - OPO
1 stop13h 00mLufthansa
Wed 12/31:45 pmOPO - CLT
1 stop32h 10mLufthansa
Deal found 10/26$580
This Iberia deal was found by Cheapflights users on 10/27. 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.
Thu 12/113:45 pmCLT - OPO
1 stop10h 55mIberia
Thu 12/188:20 amOPO - CLT
2 stops16h 42mIberia
Deal found 10/27$704
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 10/286:20 pmCLT - OPO
1 stop11h 10mUnited Airlines
Tue 11/46:00 amOPO - CLT
2 stops21h 02mUnited Airlines
Deal found 10/27$733
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/23:40 pmCLT - OPO
1 stop11h 00mAmerican Airlines
Fri 1/168:20 amOPO - CLT
2 stops18h 22mAmerican Airlines
Deal found 10/26$754
This KAYAK deal was found by Cheapflights users on 10/27. 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.
Tue 10/287:50 pmCLT - OPO
2 stops35h 25mSWISS
Sun 11/27:25 pmOPO - CLT
2 stops50h 30mSWISS
Deal found 10/27$756
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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.
Tue 10/287:50 pmCLT - OPO
1 stop13h 00mLufthansa
Sun 11/25:00 amOPO - CLT
2 stops22h 58mLufthansa
Deal found 10/25$768
This KAYAK deal was found by Cheapflights users on 10/26. 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 11/26:50 pmCLT - OPO
2 stops32h 35mSWISS
Mon 11/179:10 amOPO - CLT
2 stops36h 45mSWISS
Deal found 10/26$769
This FlightHub deal was found by Cheapflights users on 10/26. 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 11/26:50 pmCLT - OPO
1 stop13h 00mMultiple Airlines
Mon 11/179:10 amOPO - CLT
2 stops36h 45mMultiple Airlines
Deal found 10/26$780

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charlotte 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 October 28, 2025.
Use the filters below to find and compare flights from Charlotte to Porto that are best for you.

Fly from

Charlotte

Fly to

Porto

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 1/26

6:50 pm-9:15 pm

2 stops21h 25m

Porto

Wed 2/4

1:55 pm-4:55 pm

2 stops32h 00m

$571

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 11/17

6:00 am-9:30 am

2 stops22h 30m

Porto

Wed 12/3

6:00 am-9:59 pm

2 stops20h 59m

$576

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 1/26

4:15 pm-7:40 am

1 stop10h 25m

Porto

Wed 2/4

8:40 pm-4:05 pm

1 stop24h 25m

$604

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 12/11

3:45 pm-7:40 am

1 stop10h 55m

Porto

Thu 12/18

8:20 am-8:02 pm

2 stops16h 42m

$704

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

3:40 pm-7:40 am

1 stop11h 00m

Porto

Fri 1/16

8:20 am-9:42 pm

2 stops18h 22m

$754

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

4:35 pm-11:45 am

2 stops14h 10m

Porto

Fri 1/16

8:20 am-8:00 pm

2 stops16h 40m

$758

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

6:50 pm-8:25 am

2 stops32h 35m

Porto

Mon 11/17

9:10 am-4:55 pm

2 stops36h 45m

$769

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/15

3:33 pm-8:00 pm

3 stops23h 27m

$3,134

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/15

3:40 pm-7:40 am

1 stop11h 00m

$3,591

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Charlotte to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charlotte to Porto in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Charlotte-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charlotte-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charlotte-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charlotte-Porto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charlotte-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Charlotte to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Charlotte 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 Charlotte to Porto

How far ahead should I book a flight from Charlotte to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Charlotte to Porto. Price data was last updated on October 24, 2025.

The price you pay for your flight from Charlotte to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Charlotte to Porto?

Currently, November is the cheapest month in which you can book a flight from Charlotte to Porto (average of $560). Flying from Charlotte 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.

What is the cheapest time of day to fly from CLT to OPO?

Find hourly flight availability from Charlotte 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 October 28, 2025.

When flying from Charlotte to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 14% versus a flight in the afternoon.

How much does it cost to fly round-trip from Charlotte 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 October 28, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Iberia from Charlotte 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
8,996 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,034 reviews
United Airlines
7.4
Good
8,996 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,001 reviews
United Airlines
7.4
Good
8,996 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,532 reviews
United Airlines
7.4
Good
8,996 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,481 reviews
United Airlines
7.4
Good
8,996 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Charlotte to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Charlotte to Porto?

    For as low as $604, United Airlines can have you in Porto from Charlotte in 10h 25m. Airlines will cover a distance of 3827 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Charlotte to Porto round-trip?

    According to our current data, Iberia ($587), Lufthansa ($608), and American Airlines ($608) offers the cheapest pricing from Charlotte to Porto. Iberia is currently priced 36% below the average price you’ll pay for this route.

  • Can I find deals for flights from Charlotte to Porto that include hotel bookings?

    Yes. In addition to deals on Charlotte to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charlotte to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charlotte to Porto.

  • Can I find deals for business class flights from Charlotte to Porto?

    Yes. Cheapflights offers flight deals from Charlotte 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 Charlotte to Porto?

    Currently, November is the cheapest month in which you can book a flight from Charlotte to Porto (average of $560). Flying from Charlotte 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
Aveiro
Arcos de Valdevez
Coimbra

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Top 5 airlines flying from Charlotte to Porto

Discover the top 5 airlines that operate flights from Charlotte 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$587Average$784FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$608Average$757FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$608Average$849FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$663Average$2,070FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$702Average$1,107FlexibilityNo cancel feeOn-time69%

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