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$239+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 18 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 July 29, 2025.

Round-trip from

$587
(United Airlines)

One-way from

$239
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$967
From Charlotte Douglas to Porto
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One-way flight from Charlotte Douglas to Porto
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Highest demand for flights based on searches. 23% potential increase in price ($268 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 10/266:25 pmCLT - OPO
1 stop11h 05mUnited Airlines
Tue 11/46:00 amOPO - CLT
2 stops39h 17mUnited Airlines
Deal found 7/28$587
This Iberia deal was found by Cheapflights users on 7/28. 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.
Mon 11/34:00 pmCLT - OPO
1 stop10h 40mIberia
Tue 1/138:20 amOPO - CLT
1 stop13h 15mIberia
Deal found 7/28$594
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:20 pmCLT - OPO
1 stop14h 45mBritish Airways
Wed 11/198:40 pmOPO - CLT
1 stop24h 45mBritish Airways
Deal found 7/28$599
This Lufthansa deal was found by Cheapflights users on 7/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:50 pmCLT - OPO
1 stop13h 00mLufthansa
Thu 1/152:05 pmOPO - CLT
1 stop31h 50mLufthansa
Deal found 7/28$610
This Finnair deal was found by Cheapflights users on 7/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:00 pmCLT - OPO
1 stop23h 00mMultiple Airlines
Fri 1/168:20 amOPO - CLT
1 stop13h 15mMultiple Airlines
Deal found 7/28$627
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Thu 10/309:30 amCLT - OPO
2 stops27h 00mAir Canada
Fri 1/166:00 amOPO - CLT
2 stops43h 57mAir Canada
Deal found 7/28$659
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:02 pmCLT - OPO
2 stops13h 33mAmerican Airlines
Thu 10/168:15 amOPO - CLT
2 stops16h 25mAmerican Airlines
Deal found 7/27$671
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:26 amCLT - OPO
2 stops21h 04mDelta
Tue 1/611:25 amOPO - CLT
2 stops38h 37mDelta
Deal found 7/27$697

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 29, 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

Sun 10/26

6:25 pm-9:30 am

1 stop11h 05m

Porto

Tue 11/4

6:00 am-4:17 pm

2 stops39h 17m

$587

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 11/3

4:00 pm-7:40 am

1 stop10h 40m

Porto

Wed 1/14

8:20 am-4:35 pm

1 stop13h 15m

$594

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/5

8:20 pm-4:05 pm

1 stop14h 45m

Porto

Wed 11/19

8:40 pm-4:25 pm

1 stop24h 45m

$599

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Thu 1/15

2:05 pm-4:55 pm

1 stop31h 50m

$610

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

4:00 pm-8:00 pm

1 stop23h 00m

Porto

Fri 1/16

8:20 am-4:35 pm

1 stop13h 15m

$627

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 10/30

9:30 am-4:30 pm

2 stops27h 00m

Porto

Fri 1/16

6:00 am-8:57 pm

2 stops43h 57m

$659

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/8

1:02 pm-7:35 am

2 stops13h 33m

Porto

Thu 10/16

8:15 am-7:40 pm

2 stops16h 25m

$671

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 12/24

8:26 am-10:30 am

2 stops21h 04m

Porto

Tue 1/6

11:25 am-9:02 pm

2 stops38h 37m

$697

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 9/22

9:10 am-4:45 pm

2 stops26h 35m

$239

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 9/16

7:47 pm-11:20 am

2 stops34h 33m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
1
2

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 July 25, 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 18 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, January is the cheapest month in which you can book a flight from Charlotte to Porto (average of $523). Flying from Charlotte to Porto in June is currently the most expensive (average of $1,033). 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 July 29, 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 15% versus a flight in the afternoon.

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 29, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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.
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,826 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,859 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, United Airlines ($587), Iberia ($594), and British Airways ($599) offers the cheapest pricing from Charlotte to Porto. United Airlines is currently priced 33% 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 Lufthansa, which is currently one of the cheapest options available, starting at $547. Air Canada flights start at $585 while deals on United Airlines start at $787 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, January is the cheapest month in which you can book a flight from Charlotte to Porto (average of $523). Flying from Charlotte to Porto in June is currently the most expensive (average of $1,033). 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
Coimbra
Matosinhos

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Top 6 airlines flying from Charlotte to Porto

Discover the top 6 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$736FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$586Average$739FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$599Average$849FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$602Average$2,076FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$610Average$802FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$815Average$1,115FlexibilityNo cancel feeOn-time69%

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