What is the cheapest airline that flies from Charlotte Douglas to Porto?

United Airlines, Iberia, and American Airlines are the most popular carriers operating from Charlotte Douglas to Porto

What airlines fly to Porto?

United Airlines, Iberia and American Airlines are the top three most popular airlines that fly to Porto from Charlotte according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 5 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Charlotte Douglas Airport to Porto Airport?

Prices for flights from Charlotte Douglas Airport to Porto Airport are updated daily.

How many operators does momondo search for flights from Charlotte Douglas Airport to Porto Airport?

As of November 2025, there are 5 operators available to choose from for flights from Charlotte Douglas Airport to Porto Airport.

How old do you have to be to fly from Charlotte Douglas Airport to Porto Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Charlotte Douglas Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$279 Cheap Flights from Charlotte to Porto in 2025/26

Q: What is the typical price of a round-trip flight between Charlotte and Porto?

Prices are currently low for flights on this route. Typical prices usually range from $608 to $693. The lowest price recently found on this route was $579.

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Find the cheapest flights from Charlotte to Porto

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6:19 pm - 9:30 amCLT-OPO

10h 11m1 stop

6:00 am - 8:57 pmOPO-CLT

43h 57m2 stops

$579United Airlines

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Wed, Nov 19 - Thu, Dec 4

10:43 am - 9:30 amCLT-OPO

17h 47m2 stops

6:00 am - 8:57 pmOPO-CLT

43h 57m2 stops

$583United Airlines

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Wed, Nov 19 - Thu, Dec 4

9:30 am - 1:15 pmCLT-OPO

22h 45m2 stops

6:00 am - 8:57 pmOPO-CLT

19h 57m2 stops

$587Air Canada

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Wed, Nov 19 - Wed, Dec 3

12:29 pm - 7:40 amCLT-OPO

14h 11m2 stops

8:20 am - 4:25 pmOPO-CLT

13h 05m1 stop

$620American Airlines

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Tue, Dec 2 - Tue, Dec 16

7:47 pm - 11:25 pmCLT-OPO

22h 38m2 stops

6:20 am - 4:45 pmOPO-CLT

15h 25m1 stop

$630Lufthansa

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Fri, Apr 10 - Sat, Apr 18

7:47 pm - 11:25 pmCLT-OPO

22h 38m2 stops

6:00 am - 11:29 pmOPO-CLT

22h 29m2 stops

$637Lufthansa

Find Deal

Fri, Apr 10 - Sat, Apr 18

3:40 pm - 7:40 amCLT-OPO

11h 00m1 stop

8:40 pm - 3:55 pmOPO-CLT

24h 15m1 stop

$666Iberia

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Fri, May 1 - Sat, May 16

8:20 pm - 4:45 pmCLT-OPO

15h 25m1 stop

6:25 pm - 2:10 pmOPO-CLT

24h 45m1 stop

$772British Airways

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Wed, Nov 19 - Tue, Dec 2

8:20 pm - 4:45 pmCLT-OPO

15h 25m1 stop

5:30 pm - 6:55 pmOPO-CLT

30h 25m1 stop

$894British Airways

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Wed, Nov 19 - Mon, Dec 1

3:40 pm - 7:40 amCLT-OPO

11h 00m1 stop

8:40 pm - 7:00 pmOPO-CLT

27h 20m2 stops

$1,177Iberia

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Mon, Dec 15 - Sat, Dec 20

Delta flights from Charlotte to Porto

Our best Delta deals on Charlotte to Porto flight tickets

Delta

Dec 2

CLT11:38 amCharlotte Douglas

17h 52m

2 stops

OPO10:30 amPorto

Dec 16

OPO6:05 amPorto

20h 46m

2 stops

CLT9:51 pmCharlotte Douglas

$591

Find similar

Delta

Nov 20

CLT9:58 amCharlotte Douglas

19h 27m

2 stops

OPO10:25 amPorto

Dec 3

OPO6:00 amPorto

20h 51m

2 stops

CLT9:51 pmCharlotte Douglas

$776

Find similar

Delta

Nov 20

CLT11:56 amCharlotte Douglas

17h 29m

2 stops

OPO10:25 amPorto

Dec 1

OPO11:25 amPorto

26h 41m

2 stops

CLT9:06 amCharlotte Douglas

$1,048

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Iberia flights from Charlotte to Porto

Our best Iberia deals on Charlotte to Porto flight tickets

Iberia

May 1

CLT3:40 pmCharlotte Douglas

11h 00m

1 stop

OPO7:40 amPorto

May 16

OPO8:40 pmPorto

24h 15m

1 stop

CLT3:55 pmCharlotte Douglas

$666

Find similar

Iberia

Dec 15

CLT3:40 pmCharlotte Douglas

11h 00m

1 stop

OPO7:40 amPorto

Dec 20

OPO8:40 pmPorto

27h 20m

2 stops

CLT7:00 pmCharlotte Douglas

$1,177

Find similar

Iberia

Nov 20

CLT3:40 pmCharlotte Douglas

11h 00m

1 stop

OPO7:40 amPorto

Dec 1

OPO8:20 amPorto

13h 00m

1 stop

CLT4:20 pmCharlotte Douglas

$1,772

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

6:19 pm-9:30 am

1 stop10h 11m

Porto

Thu 12/4

6:00 am-8:57 pm

2 stops43h 57m

$579

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

10:43 am-9:30 am

2 stops17h 47m

Porto

Thu 12/4

6:00 am-8:57 pm

2 stops43h 57m

$583

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

9:30 am-1:15 pm

2 stops22h 45m

Porto

Wed 12/3

6:00 am-8:57 pm

2 stops19h 57m

$587

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 12/2

12:29 pm-7:40 am

2 stops14h 11m

Porto

Tue 12/16

8:20 am-4:25 pm

1 stop13h 05m

$620

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 4/10

7:47 pm-11:25 pm

2 stops22h 38m

Porto

Sat 4/18

6:20 am-4:45 pm

1 stop15h 25m

$630

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 4/10

7:47 pm-11:25 pm

2 stops22h 38m

Porto

Sat 4/18

6:00 am-11:29 pm

2 stops22h 29m

$637

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 5/1

3:40 pm-7:40 am

1 stop11h 00m

Porto

Sat 5/16

8:40 pm-3:55 pm

1 stop24h 15m

$666

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

8:20 pm-4:45 pm

1 stop15h 25m

Porto

Tue 12/2

6:25 pm-2:10 pm

1 stop24h 45m

$772

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 11/19

8:20 pm-4:45 pm

1 stop15h 25m

Porto

Mon 12/1

5:30 pm-6:55 pm

1 stop30h 25m

$894

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/15

3:40 pm-7:40 am

1 stop11h 00m

Porto

Sat 12/20

8:40 pm-7:00 pm

2 stops27h 20m

$1,177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Charlotte to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Charlotte and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Charlotte, with most prices found around $587. If you aren’t able to travel during the month of January, then book flights to Porto from Charlotte during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $642.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $831. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,063. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the morning is the cheapest time of day to fly from Charlotte to Porto when you can find flight prices for as low as $821. Flying to Porto in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $958 on average. Flights to Porto from Charlotte in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Porto from Charlotte when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $915 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Charlotte for as low as $680 on momondo.

Can stopping save me money on Charlotte to Porto flights?

You could potentially save up to 33% on your flight if you consider stops on a Charlotte to Porto flight.

When to book flights from Charlotte to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Charlotte to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Charlotte to Porto (CLT to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charlotte to Porto

Direct flights	None

There are no direct flights from Charlotte to Porto. There are no popular flight routes from Charlotte to Porto.

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How far is Charlotte Douglas to Porto by plane?
The straight-line distance from Charlotte Douglas to Porto is 3826.8 mi. By plane, this route typically takes 10h 11m.
When did momondo last update prices for flights from Charlotte Douglas Airport to Porto Airport?
Prices for flights from Charlotte Douglas Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Charlotte Douglas Airport to Porto Airport?
As of November 2025, there are 5 operators available to choose from for flights from Charlotte Douglas Airport to Porto Airport.
How old do you have to be to fly from Charlotte Douglas Airport to Porto Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Charlotte Douglas Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Charlotte to Porto?
Based on momondo bookings for flights between Charlotte and Porto, the leading airline is United Airlines, making up 37% of the total bookings. Other popular airlines include Iberia with 25%, American Airlines with 17%, and British Airways with 11%.

Best airlines flying from Charlotte to Porto

Compare and see reviews for airlines that fly from Charlotte to Porto with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights
Lufthansa	PriceFrom $608	Free Cancellation	Rating 6.8 7,555 reviews	Search Lufthansa flights
American Airlines	PriceFrom $608	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
British Airways	PriceFrom $663	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
United Airlines	PriceFrom $702	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights

Vila Nova de Gaia

Coimbra

Aveiro

Matosinhos

Braga

Lamego

Guimarães

Esposende

Chaves

Espinho

Viseu

Ponte de Lima

Arcos de Valdevez

Pinhao

Curia

Penafiel

Mesao Frio

Mira

Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Charlotte to Porto?

Finding the right flight to Porto from Charlotte is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

Can I find flights from Charlotte to Porto with flexible booking policies on momondo?

Flights from Charlotte to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Charlotte to Porto?

Once you have performed a search for Charlotte to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Charlotte to Porto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Charlotte and alert you when they change.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Cheap flights from Charlotte to Porto from $279

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charlotte to Porto departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

Price Alerts

Find the cheapest flights from Charlotte to Porto

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Delta flights from Charlotte to Porto

Our best Delta deals on Charlotte to Porto flight tickets

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Our best Iberia deals on Charlotte to Porto flight tickets

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How to get the cheapest flight ticket from Charlotte to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Charlotte and Porto?

What is the cheapest month to fly to Porto?

What is the cheapest day to depart on your flight to Porto?

What is the cheapest time of day to depart on your flight to Porto?

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

Can stopping save me money on Charlotte to Porto flights?

You could potentially save up to 33% on your flight if you consider stops on a Charlotte to Porto flight.

What is the cheapest airline that flies from Charlotte Douglas to Porto?

United Airlines, Iberia, and American Airlines are the most popular carriers operating from Charlotte Douglas to Porto

What airlines fly to Porto?

When to book flights from Charlotte to Porto

Cheap Charlotte to Porto (CLT to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charlotte to Porto

Direct flights

How far is Charlotte Douglas to Porto by plane?

When did momondo last update prices for flights from Charlotte Douglas Airport to Porto Airport?

How many operators does momondo search for flights from Charlotte Douglas Airport to Porto Airport?

How old do you have to be to fly from Charlotte Douglas Airport to Porto Airport?

What documentation or ID do you need to fly to Porto Airport?

What is the most popular airline from Charlotte to Porto?

Best airlines flying from Charlotte to Porto

Compare and see reviews for airlines that fly from Charlotte to Porto with momondo

Traveling to a place near Porto?

Why use momondo?

Why should I use momondo to find a flight deal from Charlotte to Porto?

Can I find flights from Charlotte to Porto with flexible booking policies on momondo?

How can momondo help me find flights from Charlotte to Porto?

I’m not ready to book a flight from Charlotte to Porto right now. Can momondo alert me if prices change?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal