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$338+ Cheap flights from Charlotte (CLT) 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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Cheap 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 July 18, 2026.

This Gotogate deal was found by Cheapflights users on 7/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:20 am
CLT
-
OPO
2 stops16h 30m
Multiple Airlines
Wed 11/47:20 pm
OPO
-
CLT
2 stops26h 35m
Multiple Airlines
Deal found 7/13$740
This FlightHub deal was found by Cheapflights users on 7/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:30 pm
CLT
-
OPO
2 stops29h 55m
Multiple Airlines
Wed 11/257:20 pm
OPO
-
CLT
2 stops31h 13m
Multiple Airlines
Deal found 7/15$742
This FlightHub deal was found by Cheapflights users on 7/17. 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.
Mon 11/166:50 pm
CLT
-
OPO
1 stop13h 00m
Multiple Airlines
Wed 11/187:20 pm
OPO
-
CLT
2 stops31h 13m
Multiple Airlines
Deal found 7/17$744
This United Airlines deal was found by Cheapflights users on 7/13. 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 10/2111:00 am
CLT
-
OPO
1 stop17h 45m
United Airlines
Wed 11/256:00 am
OPO
-
CLT
2 stops20h 33m
United Airlines
Deal found 7/13$745
This Gotogate deal was found by Cheapflights users on 7/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:10 pm
CLT
-
OPO
2 stops20h 20m
Multiple Airlines
Thu 11/267:20 pm
OPO
-
CLT
2 stops26h 35m
Multiple Airlines
Deal found 7/13$748
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:10 pm
CLT
-
OPO
1 stop10h 20m
United Airlines
Wed 11/1812:35 pm
OPO
-
CLT
2 stops37h 58m
United Airlines
Deal found 7/16$750
This Delta deal was found by Cheapflights users on 7/17. 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 11/162:20 pm
CLT
-
OPO
2 stops15h 15m
Delta
Wed 11/1811:15 am
OPO
-
CLT
2 stops17h 38m
Delta
Deal found 7/17$751

Find 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 July 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$889
(United)

One-way from

$338
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,429
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 Charlotte Douglas to Porto
Search Deals
One-way flight from Charlotte Douglas to Porto
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 18, 2026.
Use the filters below to find and compare flights from Charlotte to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/21

3:45 pm-7:40 am

1 stop10h 55m

Porto

Wed 11/25

8:40 pm-2:30 pm

1 stop22h 50m

$743

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/21

11:00 am-9:45 am

1 stop17h 45m

Porto

Wed 11/25

6:00 am-9:33 pm

2 stops20h 33m

$745

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 11/16

12:20 pm-9:30 am

1 stop16h 10m

Porto

Wed 11/18

12:35 pm-9:45 pm

1 stop14h 10m

$754

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 12/1

8:55 am-12:50 pm

2 stops22h 55m

Porto

Sat 12/5

6:15 am-4:55 pm

1 stop15h 40m

$775

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 11/21

12:20 pm-9:30 am

1 stop16h 10m

Porto

Fri 11/27

6:00 am-9:33 pm

2 stops20h 33m

$852
Quickest round-trip

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 8/26

2:06 pm-6:55 am

1 stop11h 49m

Porto

Tue 9/8

6:20 am-4:45 pm

1 stop15h 25m

$929

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 9/1

10:25 am-6:15 am

2 stops14h 50m

Porto

Thu 9/10

11:50 am-9:00 pm

2 stops38h 10m

$930
Cheapest one-way

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 8/4

12:24 pm-4:55 pm

3 stops47h 31m

$353

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 8/6

9:43 pm-9:25 pm

2 stops42h 42m

$378

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 8/5

12:24 pm-9:05 pm

3 stops27h 41m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Charlotte-Porto flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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

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 $642). Flying from Charlotte to Porto in July is currently the most expensive (average of $1,429). 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 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 July 18, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andIberia 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
10,006 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,006 reviews
United Airlines
7.4
Good
10,006 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,829 reviews
United Airlines
7.4
Good
10,006 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Iberia
7.0
Good
3,258 reviews
United Airlines
7.4
Good
10,006 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Lufthansa
6.8
Okay
8,144 reviews
United Airlines
7.4
Good
10,006 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 $745, United Airlines can have you in Porto from Charlotte in 17h 45m. Airlines will cover a distance of 3827 mi.

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

    According to our current data, American Airlines ($555), Lufthansa ($561), and Iberia ($641) offers the cheapest pricing from Charlotte to Porto. American Airlines is currently priced 40% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $252. American Airlines flights start at $352 while deals on United Airlines start at $452 one-way.

  • 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 $642). Flying from Charlotte to Porto in July is currently the most expensive (average of $1,429). 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 4 airlines flying from Charlotte to Porto

Discover the top 4 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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$555Average$803FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$561Average$625FlexibilityNo cancel feeOn-time76%
IberiaCheapest$641Average$963FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$642Average$1,100FlexibilityNo cancel feeOn-time69%

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