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.

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

Lufthansa, Air France, and Iberia are the most popular carriers operating from Charlotte Douglas to Porto

Which airport is the most popular layover for flights between Charlotte and Porto?

Newark (EWR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Charlotte to Porto?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 10h 10m.

Which layover airport has the shortest connection time from Charlotte to Porto?

Newark (EWR) has the shortest average layover time for this route: 2h 02m.

Which layover airport offers the lowest fares from Charlotte to Porto?

Flights via Newark (EWR) offer the lowest average round-trip price of $594.

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 December 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.

$442 Cheap Flights from Charlotte to Porto in 2025/26

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Find the cheapest flights from Charlotte to Porto

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Cheap round-trip flights

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10:44 am - 1:15 pm

CLT

OPO

21h 31m2 stops

1:45 pm - 4:55 pm

OPO

CLT

32h 10m1 stop

$531Lufthansa

Wed, Jan 28 - Wed, Feb 4

7:50 pm - 12:50 pm

CLT

OPO

13h 00m1 stop

6:20 am - 4:45 pm

OPO

CLT

15h 25m1 stop

$576Lufthansa

Mon, Mar 23 - Wed, Apr 1

7:50 pm - 12:50 pm

CLT

OPO

13h 00m1 stop

6:20 am - 4:45 pm

OPO

CLT

15h 25m1 stop

$580Lufthansa

Tue, Mar 24 - Tue, Mar 31

7:50 pm - 12:50 pm

CLT

OPO

13h 00m1 stop

11:05 am - 11:58 pm

OPO

CLT

17h 53m2 stops

$581Lufthansa

Mon, Mar 23 - Tue, Mar 31

6:20 pm - 9:30 am

CLT

OPO

11h 10m1 stop

6:00 am - 11:58 pm

OPO

CLT

22h 58m2 stops

$585United Airlines

Tue, Mar 24 - Thu, Apr 2

7:50 am - 11:15 am

CLT

OPO

47h 25m2 stops

6:20 am - 4:45 pm

OPO

CLT

15h 25m1 stop

$588Multiple Airlines

Sun, Mar 22 - Tue, Mar 31

6:15 am - 9:30 am

CLT

OPO

23h 15m2 stops

6:00 am - 11:58 pm

OPO

CLT

22h 58m2 stops

$590United Airlines

Mon, Mar 23 - Tue, Mar 31

6:08 am - 10:30 am

CLT

OPO

24h 22m2 stops

11:45 am - 7:38 pm

OPO

CLT

36h 53m2 stops

$591Delta

Sun, Mar 22 - Tue, Mar 31

1:13 pm - 10:30 am

CLT

OPO

16h 17m2 stops

11:15 am - 11:06 pm

OPO

CLT

16h 51m2 stops

$592Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

7:50 am - 11:15 am

CLT

OPO

47h 25m2 stops

6:00 am - 4:20 pm

OPO

CLT

39h 20m2 stops

$593Air Canada

Sun, Mar 22 - Tue, Mar 31

Lufthansa flights from Charlotte to Porto

Our best Lufthansa deals on Charlotte to Porto flight tickets

Lufthansa

Jan 28

CLT10:44 amCharlotte Douglas

21h 31m

2 stops

OPO1:15 pmPorto

Feb 4

OPO1:45 pmPorto

32h 10m

1 stop

CLT4:55 pmCharlotte Douglas

$531

Find similar

Lufthansa

Mar 23

CLT7:50 pmCharlotte Douglas

13h 00m

1 stop

OPO12:50 pmPorto

Mar 31

OPO6:20 amPorto

15h 25m

1 stop

CLT4:45 pmCharlotte Douglas

$576

Find similar

Lufthansa

Mar 24

CLT7:50 pmCharlotte Douglas

13h 00m

1 stop

OPO12:50 pmPorto

Mar 31

OPO6:20 amPorto

15h 25m

1 stop

CLT4:45 pmCharlotte Douglas

$580

Find similar

KLM flights from Charlotte to Porto

Our best KLM deals on Charlotte to Porto flight tickets

KLM

Mar 22

CLT12:43 pmCharlotte Douglas

17h 47m

2 stops

OPO10:30 amPorto

Apr 1

OPO5:00 amPorto

19h 06m

2 stops

CLT7:06 pmCharlotte Douglas

$597

Find similar

KLM

Mar 22

CLT2:30 pmCharlotte Douglas

16h 00m

2 stops

OPO10:30 amPorto

Apr 3

OPO5:00 amPorto

18h 15m

2 stops

CLT6:15 pmCharlotte Douglas

$628

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/28

10:44 am-1:15 pm

2 stops21h 31m

Porto

Wed 2/4

1:45 pm-4:55 pm

1 stop32h 10m

$531

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 3/23

7:50 pm-12:50 pm

1 stop13h 00m

Porto

Wed 4/1

6:20 am-4:45 pm

1 stop15h 25m

$576

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 3/24

7:50 pm-12:50 pm

1 stop13h 00m

Porto

Tue 3/31

6:20 am-4:45 pm

1 stop15h 25m

$580

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 3/23

7:50 pm-12:50 pm

1 stop13h 00m

Porto

Tue 3/31

11:05 am-11:58 pm

2 stops17h 53m

$581

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 3/24

6:20 pm-9:30 am

1 stop11h 10m

Porto

Thu 4/2

6:00 am-11:58 pm

2 stops22h 58m

$585

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 3/22

7:50 am-11:15 am

2 stops47h 25m

Porto

Tue 3/31

6:20 am-4:45 pm

1 stop15h 25m

$588

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 3/23

6:15 am-9:30 am

2 stops23h 15m

Porto

Tue 3/31

6:00 am-11:58 pm

2 stops22h 58m

$590

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 3/22

6:08 am-10:30 am

2 stops24h 22m

Porto

Tue 3/31

11:45 am-7:38 pm

2 stops36h 53m

$591

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/28

1:13 pm-10:30 am

2 stops16h 17m

Porto

Wed 2/4

11:15 am-11:06 pm

2 stops16h 51m

$592

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 3/22

7:50 am-11:15 am

2 stops47h 25m

Porto

Tue 3/31

6:00 am-4:20 pm

2 stops39h 20m

$593

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

Layovers

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 $942 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 $691 on momondo.

Can stopping save me money on Charlotte to Porto flights?

You could potentially save up to 43% 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

Fastest flight time	11h 00m
Direct flights	None

The fastest flight from Charlotte to Porto takes 11h 00m

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

Search flight deals

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 11h 00m.
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 December 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 41% of the total bookings. Other popular airlines include Iberia with 22%, American Airlines with 15%, 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
Lufthansa	PriceFrom $608	Free Cancellation	Rating 6.8 7,635 reviews	Search Lufthansa flights
American Airlines	PriceFrom $608	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights
Iberia	PriceFrom $628	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
British Airways	PriceFrom $663	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Guimarães

Esposende

Lamego

Chaves

Viseu

Espinho

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.

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Cheap flights from Charlotte to Porto from $359

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 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Charlotte to Porto

Cheap round-trip flights

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Lufthansa flights from Charlotte to Porto

Our best Lufthansa deals on Charlotte to Porto flight tickets

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How to get the cheapest flight ticket from Charlotte 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 43% 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?

Lufthansa, Air France, and Iberia are the most popular carriers operating from Charlotte Douglas to Porto

What airlines fly to Porto?

Which airport is the most popular layover for flights between Charlotte and Porto?

Newark (EWR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Charlotte to Porto?

Flights via Newark (EWR) offer the lowest average round-trip price of $594.

Which layover airport has the shortest travel time from Charlotte to Porto?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 10h 10m.

Which layover airport has the shortest connection time from Charlotte to Porto?

Newark (EWR) has the shortest average layover time for this route: 2h 02m.

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

Fastest flight time

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