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$352+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:30 pm
CLT
-
OPO
2 stops25h 10m
Lufthansa
Wed 3/46:00 am
OPO
-
CLT
2 stops20h 01m
Lufthansa
Deal found 1/25$581
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:20 pm
CLT
-
OPO
1 stop10h 10m
United Airlines
Wed 3/46:00 am
OPO
-
CLT
2 stops33h 26m
United Airlines
Deal found 1/25$586
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 4/196:15 am
CLT
-
OPO
2 stops22h 30m
United Airlines
Wed 4/296:00 am
OPO
-
CLT
2 stops20h 03m
United Airlines
Deal found 1/27$591
This Air France deal was found by Cheapflights users on 1/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:11 pm
CLT
-
OPO
2 stops16h 19m
Multiple Airlines
Tue 3/35:00 am
OPO
-
CLT
2 stops22h 30m
Multiple Airlines
Deal found 1/25$593
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:20 pm
CLT
-
OPO
1 stop10h 10m
United Airlines
Tue 3/312:35 pm
OPO
-
CLT
1 stop13h 34m
United Airlines
Deal found 1/25$595
This Iberia deal was found by Cheapflights users on 1/27. 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.
Sun 4/193:40 pm
CLT
-
OPO
1 stop11h 00m
Iberia
Wed 4/298:40 pm
OPO
-
CLT
1 stop22h 00m
Iberia
Deal found 1/27$596
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Wed 2/185:05 pm
CLT
-
OPO
2 stops20h 30m
Multiple Airlines
Thu 2/262:05 pm
OPO
-
CLT
1 stop31h 50m
Multiple Airlines
Deal found 1/26$597
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:40 pm
CLT
-
OPO
1 stop11h 00m
Iberia
Mon 4/274:40 pm
OPO
-
CLT
1 stop26h 00m
Iberia
Deal found 1/26$606

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$581
(FlightHub)

One-way from

$352
(Kiwi.com)

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 Charlotte Douglas to Porto
Search Deals
One-way flight from Charlotte Douglas to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($226 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 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 January 27, 2026.
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

Wed 2/25

6:20 pm-9:30 am

1 stop10h 10m

Porto

Wed 3/4

6:00 am-10:26 am

2 stops33h 26m

$586

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

1:11 pm-10:30 am

2 stops16h 19m

Porto

Tue 3/3

5:00 am-10:30 pm

2 stops22h 30m

$593

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

6:20 pm-9:30 am

1 stop10h 10m

Porto

Tue 3/3

12:35 pm-9:09 pm

1 stop13h 34m

$595

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 4/19

3:40 pm-7:40 am

1 stop11h 00m

Porto

Wed 4/29

8:40 pm-1:40 pm

1 stop22h 00m

$596

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 4/19

3:40 pm-7:40 am

1 stop11h 00m

Porto

Wed 4/29

4:40 pm-1:40 pm

1 stop26h 00m

$606

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 4/25

3:40 pm-11:45 am

1 stop15h 05m

Porto

Sun 5/3

8:40 pm-7:33 pm

2 stops27h 53m

$656

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 5/14

11:25 am-7:40 am

2 stops15h 15m

Porto

Thu 5/21

12:25 pm-12:20 am

2 stops16h 55m

$658

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 4/25

6:27 pm-9:45 am

1 stop10h 18m

Porto

Sun 5/3

6:00 am-11:59 pm

2 stops22h 59m

$666

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sat 4/25

3:40 pm-7:40 am

1 stop11h 00m

Porto

Sun 5/3

8:20 am-9:48 pm

2 stops18h 28m

$706

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 4/12

7:00 am-8:00 am

2 stops44h 00m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 17 results
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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charlotte-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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 $555). 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.

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 January 27, 2026.
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
9,205 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
11,197 reviews
United Airlines
7.4
Good
9,205 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
3,098 reviews
United Airlines
7.4
Good
9,205 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
7,749 reviews
United Airlines
7.4
Good
9,205 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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
7,702 reviews
United Airlines
7.4
Good
9,205 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.1

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 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 $586, United Airlines can have you in Porto from Charlotte in 10h 10m. 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, Lufthansa ($576), British Airways ($602), and American Airlines ($607) offers the cheapest pricing from Charlotte to Porto. Lufthansa 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 $555). 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
Vila Nova de Gaia
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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$576Average$648FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$1,662FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$607Average$747FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$642Average$1,030FlexibilityNo cancel feeOn-time69%
IberiaCheapest$655Average$857FlexibilityNo cancel feeOn-time77%

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