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

According to our current data, Iberia ($602), American Airlines ($672), and United Airlines ($692) offers the cheapest pricing from Charlotte to Porto. Iberia is currently priced 27% below the average price you’ll pay for this route.

What is the cheapest day to fly from Charlotte to Porto?

Travelers seeking maximum savings on their Charlotte to Porto flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Charlotte to Porto?

When booking a flight from Charlotte to Porto, you may want to consider flying on American Airlines, Delta or Iberia as they are the most popular for this route.

What is the cheapest day to fly round-trip from Charlotte to Porto?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 27% on the overall cost on flights from Charlotte to Porto.

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

Users have found that booking a flight from Charlotte to Porto at least 19 days early can save you up to 61% on average compared to booking a flight this week. If booking 19 days before your flight isn’t an option for you, users have found flights from Charlotte to Porto for as little as $648 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $911 for flights departing within the next 3 days.

What is the cheapest month to fly from Charlotte to Porto?

Flights from Charlotte to Porto lean towards being more expensive in July. Prices are generally better when you fly from Charlotte to Porto in January, with the cheapest ticket starting at $537.

Most accurate provider : When it comes to deals on Charlotte-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Charlotte-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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.

$602+ Flights from Charlotte to Porto

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Charlotte Douglas to Porto are usually found in January or November, booked 24 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Charlotte to Porto

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$602 (Iberia)
Popular in	July
Cheapest in	January
Average price	$898

Provider with most accurate pricing for Charlotte Douglas-Porto flight deals.

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Provider most trusted by Cheapflights users for Charlotte Douglas-Porto flights.

Search Deals

From Charlotte Douglas to Porto

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($222 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 abril 29, 2025.

dom. 10/265:00 pmCLT - OPO

1 stop10h 40mIberia

mar. 11/48:40 pmOPO - CLT

1 stop24h 30mIberia

Deal found 4/29

$602

dom. 11/211:00 amCLT - OPO

2 stops15h 40mAmerican Airlines

vie. 1/168:20 amOPO - CLT

2 stops16h 25mAmerican Airlines

Deal found 4/29

$647

mié. 10/1510:35 amCLT - OPO

2 stops26h 55mMultiple Airlines

mié. 10/226:00 amOPO - CLT

2 stops20h 22mMultiple Airlines

Deal found 4/28

$676

dom. 11/26:50 pmCLT - OPO

2 stops15h 25mLufthansa

vie. 1/166:15 amOPO - CLT

1 stop15h 40mLufthansa

Deal found 4/28

$677

jue. 10/236:02 pmCLT - OPO

1 stop10h 43mUnited Airlines

mar. 11/412:30 pmOPO - CLT

2 stops26h 43mUnited Airlines

Deal found 4/28

$692

sáb. 12/610:25 pmCLT - OPO

2 stops37h 15mBritish Airways

sáb. 12/138:40 pmOPO - CLT

1 stop24h 30mBritish Airways

Deal found 4/28

$712

lun. 9/226:40 pmCLT - OPO

2 stops17h 45mSWISS

sáb. 9/272:35 pmOPO - CLT

2 stops55h 10mSWISS

Deal found 4/28

$800

mar. 9/93:15 pmCLT - OPO

2 stops37h 05mAir Canada

jue. 9/1812:10 pmOPO - CLT

2 stops34h 05mAir Canada

Deal found 4/29

$891

Best flights from Charlotte to Porto
Discover carefully curated flight deals from Charlotte to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 29, 2025.

dom. 10/265:00 pmCLT - OPO

1 stop10h 40mIberia

mar. 11/48:40 pmOPO - CLT

1 stop24h 30mIberia

Deal found 4/29

$602

dom. 10/266:00 pmCLT - OPO

2 stops13h 45mAmerican Airlines

mar. 11/48:20 amOPO - CLT

2 stops18h 30mAmerican Airlines

Deal found 4/28

$672

mié. 10/1510:35 amCLT - OPO

2 stops26h 55mMultiple Airlines

mié. 10/226:00 amOPO - CLT

2 stops20h 22mMultiple Airlines

Deal found 4/28

$676

jue. 10/236:02 pmCLT - OPO

1 stop10h 43mUnited Airlines

mar. 11/412:30 pmOPO - CLT

2 stops26h 43mUnited Airlines

Deal found 4/28

$692

mié. 10/810:35 amCLT - OPO

2 stops31h 45mLufthansa

jue. 10/166:15 amOPO - CLT

1 stop15h 30mLufthansa

Deal found 4/28

$723

sáb. 10/411:50 pmCLT - OPO

1 stop30h 00mBritish Airways

sáb. 10/1110:40 amOPO - CLT

1 stop31h 30mBritish Airways

Deal found 4/28

$778

lun. 9/226:40 pmCLT - OPO

2 stops17h 45mSWISS

sáb. 9/272:35 pmOPO - CLT

2 stops55h 10mSWISS

Deal found 4/28

$800

mar. 9/93:15 pmCLT - OPO

2 stops37h 05mAir Canada

jue. 9/1812:10 pmOPO - CLT

2 stops34h 05mAir Canada

Deal found 4/29

$891

Last-minute flights from Charlotte to Porto
Discover last-minute flight deals from Charlotte to Porto. Data last updated abril 29, 2025 and is based on user searches.

dom. 5/43:15 pmCLT - OPO

2 stops22h 00mMultiple Airlines

lun. 5/127:20 pmOPO - CLT

2 stops48h 11mMultiple Airlines

Deal found 4/28

$1,036

dom. 5/410:41 amCLT - OPO

2 stops31h 39mLufthansa

lun. 5/126:15 amOPO - CLT

1 stop15h 30mLufthansa

Deal found 4/28

$1,218

mar. 5/62:52 pmCLT - OPO

2 stops13h 53mUnited Airlines

vie. 6/69:00 amOPO - CLT

2 stops17h 28mUnited Airlines

Deal found 4/28

$1,437

mar. 5/137:40 pmCLT - OPO

2 stops22h 40mLufthansa

mié. 6/186:15 amOPO - CLT

1 stop15h 30mLufthansa

Deal found 4/28

$1,170

vie. 5/166:00 amCLT - OPO

2 stops24h 15mUnited Airlines

dom. 5/1812:35 pmOPO - CLT

1 stop14h 10mUnited Airlines

Deal found 4/29

$1,097

vie. 5/3011:52 amCLT - OPO

2 stops28h 58mMultiple Airlines

vie. 6/132:40 pmOPO - CLT

2 stops31h 23mMultiple Airlines

Deal found 4/28

$825

One-way flights from Charlotte to Porto
Search for one-way flight options from Charlotte to Porto. Find affordable one-way fares based on user searches. Data last updated abril 29, 2025.

dom. 6/811:08 amCLT - OPO

2 stops14h 47mUnited Airlines

Deal found 4/28

$807

Cheapflights Fare Finder

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

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

dom. 10/26

5:00 pm-7:40 am

1 stop10h 40m

Porto

mar. 11/4

8:40 pm-4:10 pm

1 stop24h 30m

$602

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

dom. 10/26

6:00 pm-11:45 am

2 stops13h 45m

Porto

mar. 11/4

8:20 am-9:50 pm

2 stops18h 30m

$672

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

mié. 10/15

10:35 am-6:30 pm

2 stops26h 55m

Porto

mié. 10/22

6:00 am-9:22 pm

2 stops20h 22m

$676

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

jue. 10/23

6:02 pm-9:45 am

1 stop10h 43m

Porto

mar. 11/4

12:30 pm-10:13 am

2 stops26h 43m

$692

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

mié. 10/8

10:35 am-11:20 pm

2 stops31h 45m

Porto

jue. 10/16

6:15 am-4:45 pm

1 stop15h 30m

$723

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

sáb. 10/4

11:50 pm-10:50 am

1 stop30h 00m

Porto

sáb. 10/11

10:40 am-1:10 pm

1 stop31h 30m

$778

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

lun. 9/22

6:40 pm-5:25 pm

2 stops17h 45m

Porto

sáb. 9/27

2:35 pm-4:45 pm

2 stops55h 10m

$800

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

mar. 9/9

3:15 pm-9:20 am

2 stops37h 05m

Porto

jue. 9/18

12:10 pm-5:15 pm

2 stops34h 05m

$891

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

dom. 6/8

11:08 am-6:55 am

2 stops14h 47m

$807

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from Charlotte to Porto

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.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Charlotte-Porto flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

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 $1,071). 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?

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.

Rainfall in Porto by month

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

See what other customers who have flown with SWISS, United Airlines and American Airlines from Charlotte to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,588 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS

7.5

Good

1,588 reviews

SWISS

7.5

Good

1,588 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines

7.4

Good

8,696 reviews

SWISS

7.5

Good

1,588 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

American Airlines

7.2

Good

10,000 reviews

SWISS

7.5

Good

1,588 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Air Canada

7.0

Good

9,244 reviews

SWISS

7.5

Good

1,588 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Iberia

7.0

Good

2,698 reviews

SWISS

7.5

Good

1,588 reviews

Reviews

1 / 20

6.0

Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

What are the cheapest airlines flying from Charlotte to Porto round-trip?
According to our current data, Iberia ($602), American Airlines ($672), and United Airlines ($692) offers the cheapest pricing from Charlotte to Porto. Iberia is currently priced 27% 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, 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 $1,071). 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

Aveiro

Coimbra

Matosinhos

Arcos de Valdevez

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Alternative routes for Charlotte to Porto

Other flights to Porto

Top 5 airlines flying from Charlotte to Porto

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest$557	Average$693	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$565	Average$889	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$567	Average$802	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$569	Average$849	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$815	Average$1,073	FlexibilityNo cancel fee	On-time69%

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$602+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Charlotte to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Charlotte Douglas to Porto are usually found in January or November, booked 24 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Charlotte to Porto

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Charlotte to Porto

Cheapest flights from Charlotte to PortoExplore 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 abril 29, 2025.

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 abril 29, 2025.

Cheapflights Fare Finder

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

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.

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.

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 April 25, 2025.

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

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 abril 29, 2025.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

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 abril 29, 2025.

See what other customers who have flown with SWISS, United Airlines and American Airlines from Charlotte to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I find direct flights from Charlotte to Porto?

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

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

Traveling to a place near Charlotte?

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Alternative routes for Charlotte to Porto

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Top 5 airlines flying from Charlotte to Porto

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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 abril 29, 2025.