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.

$231 Cheap Flights from Charlotte to Porto in 2025/26

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Cheap round-trip flights

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1:11 pm - 10:30 amCLT-OPO

16h 19m2 stops

6:05 am - 10:42 pmOPO-CLT

21h 37m2 stops

$591KLM

Find Deal

Tue, Feb 24 - Tue, Mar 3

11:00 pm - 5:35 pmCLT-OPO

13h 35m1 stop

8:20 am - 9:00 pmOPO-CLT

17h 40m2 stops

$595British Airways

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Tue, Feb 24 - Tue, Mar 3

11:00 pm - 5:35 pmCLT-OPO

13h 35m1 stop

8:40 pm - 4:25 pmOPO-CLT

24h 45m1 stop

$596Multiple Airlines

Find Deal

Tue, Feb 24 - Tue, Mar 3

2:02 pm - 9:45 amCLT-OPO

14h 43m1 stop

6:20 am - 4:45 pmOPO-CLT

15h 25m1 stop

$638Multiple Airlines

Find Deal

Wed, Apr 15 - Wed, Apr 29

6:00 am - 10:30 amCLT-OPO

23h 30m2 stops

11:15 am - 11:54 pmOPO-CLT

17h 39m2 stops

$641Delta

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Fri, Jan 30 - Tue, Feb 3

2:02 pm - 9:45 amCLT-OPO

14h 43m1 stop

6:00 am - 9:00 pmOPO-CLT

20h 00m2 stops

$642Multiple Airlines

Find Deal

Wed, Apr 15 - Wed, Apr 29

6:12 pm - 9:45 amCLT-OPO

10h 33m1 stop

6:00 am - 6:48 pmOPO-CLT

17h 48m2 stops

$645United Airlines

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Wed, Apr 22 - Wed, May 6

6:12 pm - 9:45 amCLT-OPO

10h 33m1 stop

6:00 am - 9:33 pmOPO-CLT

20h 33m2 stops

$646United Airlines

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Wed, Apr 22 - Tue, May 5

2:02 pm - 9:45 amCLT-OPO

14h 43m1 stop

7:20 pm - 5:07 pmOPO-CLT

26h 47m2 stops

$649Multiple Airlines

Find Deal

Fri, Apr 24 - Mon, May 4

6:00 am - 9:45 amCLT-OPO

22h 45m2 stops

6:00 am - 6:48 pmOPO-CLT

17h 48m2 stops

$650United Airlines

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Thu, Apr 23 - Wed, May 6

Lufthansa flights from Charlotte to Porto

Our best Lufthansa deals on Charlotte to Porto flight tickets

Lufthansa

Feb 9

CLT10:44 amCharlotte Douglas

21h 06m

2 stops

OPO12:50 pmPorto

Feb 23

OPO1:45 pmPorto

32h 10m

1 stop

CLT4:55 pmCharlotte Douglas

$585

Find similar

Lufthansa

Feb 9

CLT6:50 pmCharlotte Douglas

13h 00m

1 stop

OPO12:50 pmPorto

Feb 23

OPO1:45 pmPorto

32h 10m

1 stop

CLT4:55 pmCharlotte Douglas

$586

Find similar

Lufthansa

Apr 27

CLT7:40 pmCharlotte Douglas

22h 45m

2 stops

OPO11:25 pmPorto

May 6

OPO6:00 amPorto

22h 29m

2 stops

CLT11:29 pmCharlotte Douglas

$653

Find similar

Delta flights from Charlotte to Porto

Our best Delta deals on Charlotte to Porto flight tickets

Delta

Jan 30

CLT6:00 amCharlotte Douglas

23h 30m

2 stops

OPO10:30 amPorto

Feb 3

OPO11:15 amPorto

17h 39m

2 stops

CLT11:54 pmCharlotte Douglas

$641

Find similar

Delta

Apr 22

CLT1:15 pmCharlotte Douglas

21h 15m

2 stops

OPO3:30 pmPorto

May 2

OPO5:00 amPorto

21h 45m

2 stops

CLT9:45 pmCharlotte Douglas

$652

Find similar

Delta

Apr 22

CLT1:15 pmCharlotte Douglas

21h 15m

2 stops

OPO3:30 pmPorto

May 3

OPO11:25 amPorto

27h 42m

2 stops

CLT10:07 amCharlotte Douglas

$658

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

1:11 pm-10:30 am

2 stops16h 19m

Porto

Tue 3/3

6:05 am-10:42 pm

2 stops21h 37m

$591

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

11:00 pm-5:35 pm

1 stop13h 35m

Porto

Tue 3/3

8:20 am-9:00 pm

2 stops17h 40m

$595

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 2/24

11:00 pm-5:35 pm

1 stop13h 35m

Porto

Tue 3/3

8:40 pm-4:25 pm

1 stop24h 45m

$596

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/15

2:02 pm-9:45 am

1 stop14h 43m

Porto

Wed 4/29

6:20 am-4:45 pm

1 stop15h 25m

$638

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 1/30

6:00 am-10:30 am

2 stops23h 30m

Porto

Tue 2/3

11:15 am-11:54 pm

2 stops17h 39m

$641

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/15

2:02 pm-9:45 am

1 stop14h 43m

Porto

Wed 4/29

6:00 am-9:00 pm

2 stops20h 00m

$642

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/22

6:12 pm-9:45 am

1 stop10h 33m

Porto

Wed 5/6

6:00 am-6:48 pm

2 stops17h 48m

$645

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/22

6:12 pm-9:45 am

1 stop10h 33m

Porto

Tue 5/5

6:00 am-9:33 pm

2 stops20h 33m

$646

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 4/24

2:02 pm-9:45 am

1 stop14h 43m

Porto

Mon 5/4

7:20 pm-5:07 pm

2 stops26h 47m

$649

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 4/23

6:00 am-9:45 am

2 stops22h 45m

Porto

Wed 5/6

6:00 am-6:48 pm

2 stops17h 48m

$650

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 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 $583. 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 $919 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 10m.
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 3,027 reviews	Search Iberia flights
Lufthansa	PriceFrom $608	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
American Airlines	PriceFrom $608	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
British Airways	PriceFrom $663	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights
United Airlines	PriceFrom $702	Free Cancellation	Rating 7.4 9,028 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.

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Cheap flights from Charlotte to Porto from $231

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 1/17. 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

Trusted and free

Price Alerts

Price Alerts

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

Delta flights from Charlotte to Porto

Our best Delta 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 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 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