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$348+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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Find cheap flights from Charlotte to Porto with Cheapflights

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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 April 24, 2026.

This FlightHub deal was found by Cheapflights users on 4/21. 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.
Wed 10/211:05 pm
CLT
-
OPO
2 stops29h 20m
Lufthansa
Wed 11/2512:30 pm
OPO
-
CLT
2 stops17h 20m
Lufthansa
Deal found 4/21$741
This Justfly.com deal was found by Cheapflights users on 4/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:50 pm
CLT
-
OPO
1 stop13h 00m
Multiple Airlines
Mon 11/27:20 pm
OPO
-
CLT
2 stops31h 03m
Multiple Airlines
Deal found 4/20$744
This United Airlines deal was found by Cheapflights users on 4/23. 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 11/156:19 pm
CLT
-
OPO
1 stop10h 11m
United Airlines
Thu 12/36:00 am
OPO
-
CLT
2 stops17h 41m
United Airlines
Deal found 4/23$746
This KLM deal was found by Cheapflights users on 4/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:00 am
CLT
-
OPO
1 stop19h 30m
KLM
Wed 11/2511:15 am
OPO
-
CLT
2 stops17h 38m
KLM
Deal found 4/20$748
This United Airlines deal was found by Cheapflights users on 4/23. 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 11/158:05 am
CLT
-
OPO
2 stops20h 25m
United Airlines
Fri 12/412:30 pm
OPO
-
CLT
2 stops17h 20m
United Airlines
Deal found 4/23$751
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:07 am
CLT
-
OPO
2 stops17h 58m
Delta
Mon 11/211:15 am
OPO
-
CLT
2 stops39h 35m
Delta
Deal found 4/21$752
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:45 pm
CLT
-
OPO
1 stop10h 55m
American Airlines
Wed 11/258:40 pm
OPO
-
CLT
1 stop24h 30m
American Airlines
Deal found 4/21$756
This Iberia deal was found by Cheapflights users on 4/20. 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.
Sun 10/254:45 pm
CLT
-
OPO
1 stop23h 15m
Iberia
Mon 11/28:40 pm
OPO
-
CLT
1 stop24h 30m
Iberia
Deal found 4/20$764
This United Airlines deal was found by Cheapflights users on 4/23. 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 11/186:19 pm
CLT
-
OPO
1 stop10h 11m
United Airlines
Mon 12/712:30 pm
OPO
-
CLT
2 stops33h 37m
United Airlines
Deal found 4/23$767
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Sat 11/145:00 pm
CLT
-
OPO
2 stops41h 15m
Air Canada
Tue 12/86:00 am
OPO
-
CLT
2 stops19h 59m
Air Canada
Deal found 4/23$768
This KAYAK deal was found by Cheapflights users on 4/23. 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.
Sat 11/145:28 pm
CLT
-
OPO
2 stops40h 47m
Lufthansa
Fri 12/46:15 am
OPO
-
CLT
1 stop15h 40m
Lufthansa
Deal found 4/23$769

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$741
(FlightHub)

One-way from

$348
(oojo)

Popular in

June

Cheapest in

November

Average price

$670
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 ($293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 24, 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

1:15 pm-10:30 am

1 stop16h 15m

Porto

Wed 11/25

5:00 am-6:12 pm

2 stops18h 12m

$748

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/21

10:40 am-9:45 am

2 stops18h 05m

Porto

Wed 11/25

12:30 pm-12:50 am

2 stops17h 20m

$751

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 8/12

6:40 pm-11:25 pm

1 stop23h 45m

Porto

Fri 8/21

6:20 am-4:45 pm

1 stop15h 25m

$919

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 8/14

6:40 pm-11:25 pm

1 stop23h 45m

Porto

Fri 8/21

6:20 am-4:45 pm

1 stop15h 25m

$933

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 9/1

2:31 pm-6:15 am

1 stop10h 44m

Porto

Thu 9/10

11:50 am-5:14 pm

2 stops34h 24m

$966

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 7/1

3:35 pm-7:40 am

1 stop11h 05m

Porto

Wed 9/30

8:40 pm-3:55 pm

1 stop24h 15m

$1,031
Quickest round-trip

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 5/12

6:25 pm-9:45 am

1 stop10h 20m

Porto

Mon 5/18

12:35 pm-9:09 pm

1 stop13h 34m

$1,077

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 5/14

9:45 am-8:30 am

2 stops17h 45m

Porto

Thu 5/21

5:00 am-10:06 pm

2 stops22h 06m

$1,099
Cheapest one-way

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 9/20

10:00 am-10:25 am

1 stop19h 25m

$395

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 9/20

8:00 am-10:25 am

2 stops21h 25m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 15 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 April.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust 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 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

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 June is currently the most expensive (average of $1,606). 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 April 24, 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
9,646 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,646 reviews
United Airlines
7.4
Good
9,646 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,668 reviews
United Airlines
7.4
Good
9,646 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Iberia
7.0
Good
3,195 reviews
United Airlines
7.4
Good
9,646 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,947 reviews
United Airlines
7.4
Good
9,646 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,911 reviews
United Airlines
7.4
Good
9,646 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 $807, KLM can have you in Porto from Charlotte in 15h 40m. 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, British Airways ($544), Lufthansa ($561), and American Airlines ($607) offers the cheapest pricing from Charlotte to Porto. British Airways is currently priced 40% 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 $642). Flying from Charlotte to Porto in June is currently the most expensive (average of $1,606). 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 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$544Average$2,076FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$561Average$648FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$607Average$747FlexibilityNo cancel feeOn-time71%
IberiaCheapest$641Average$963FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$642Average$1,030FlexibilityNo cancel feeOn-time69%

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