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 49% 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 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.

$543 Cheap Flights from Charlotte to Porto in 2025/26

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Find the cheapest flights from Charlotte to Porto

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 7:40 am

CLT

OPO

10h 30m1 stop

8:20 am - 4:05 pm

OPO

CLT

12h 45m1 stop

$594Iberia

Wed, Jan 14 - Fri, Jan 23

2:25 pm - 10:30 am

CLT

OPO

15h 05m2 stops

5:00 am - 6:13 pm

OPO

CLT

18h 13m2 stops

$597KLM

Wed, Jan 14 - Fri, Jan 23

4:10 pm - 7:40 am

CLT

OPO

10h 30m1 stop

8:20 am - 7:55 pm

OPO

CLT

16h 35m2 stops

$604Iberia

Wed, Jan 14 - Fri, Jan 23

1:52 pm - 9:30 am

CLT

OPO

15h 38m1 stop

6:30 am - 5:55 pm

OPO

CLT

15h 25m1 stop

$622Multiple Airlines

Sun, Mar 8 - Fri, Mar 20

7:50 pm - 12:50 pm

CLT

OPO

13h 00m1 stop

6:20 am - 4:45 pm

OPO

CLT

15h 25m1 stop

$626Lufthansa

Thu, Mar 19 - Tue, Mar 31

7:50 pm - 3:15 pm

CLT

OPO

15h 25m2 stops

6:30 am - 5:55 pm

OPO

CLT

15h 25m1 stop

$628Lufthansa

Sun, Mar 8 - Fri, Mar 20

1:52 pm - 9:30 am

CLT

OPO

15h 38m1 stop

11:05 am - 4:20 pm

OPO

CLT

34h 15m2 stops

$633Multiple Airlines

Thu, Mar 19 - Tue, Mar 31

5:28 pm - 11:25 pm

CLT

OPO

24h 57m2 stops

6:20 am - 4:45 pm

OPO

CLT

15h 25m1 stop

$637Lufthansa

Tue, Apr 14 - Sun, Apr 19

6:50 pm - 12:50 pm

CLT

OPO

13h 00m1 stop

6:00 am - 6:59 pm

OPO

CLT

17h 59m2 stops

$638Lufthansa

Sun, Jan 25 - Sun, Feb 1

9:55 am - 9:30 am

CLT

OPO

19h 35m2 stops

6:00 am - 11:58 pm

OPO

CLT

22h 58m2 stops

$639United Airlines

Thu, Mar 19 - Tue, Mar 31

Iberia flights from Charlotte to Porto

Our best Iberia deals on Charlotte to Porto flight tickets

Iberia

Jan 14

CLT4:10 pmCharlotte Douglas

10h 30m

1 stop

OPO7:40 amPorto

Jan 23

OPO8:20 amPorto

12h 45m

1 stop

CLT4:05 pmCharlotte Douglas

$594

Find similar

Iberia

Jan 14

CLT4:10 pmCharlotte Douglas

10h 30m

1 stop

OPO7:40 amPorto

Jan 23

OPO8:20 amPorto

16h 35m

2 stops

CLT7:55 pmCharlotte Douglas

$604

Find similar

Iberia

Apr 30

CLT3:40 pmCharlotte Douglas

19h 20m

1 stop

OPO4:00 pmPorto

Sep 15

OPO8:40 pmPorto

25h 01m

2 stops

CLT4:41 pmCharlotte Douglas

$666

Find similar

KLM flights from Charlotte to Porto

Our best KLM deals on Charlotte to Porto flight tickets

KLM

Jan 14

CLT2:25 pmCharlotte Douglas

15h 05m

2 stops

OPO10:30 amPorto

Jan 23

OPO5:00 amPorto

18h 13m

2 stops

CLT6:13 pmCharlotte Douglas

$597

Find similar

KLM

Jan 25

CLT1:13 pmCharlotte Douglas

16h 17m

2 stops

OPO10:30 amPorto

Feb 1

OPO5:00 amPorto

21h 32m

2 stops

CLT9:32 pmCharlotte Douglas

$641

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/14

4:10 pm-7:40 am

1 stop10h 30m

Porto

Fri 1/23

8:20 am-4:05 pm

1 stop12h 45m

$594

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/14

2:25 pm-10:30 am

2 stops15h 05m

Porto

Fri 1/23

5:00 am-6:13 pm

2 stops18h 13m

$597

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/14

4:10 pm-7:40 am

1 stop10h 30m

Porto

Fri 1/23

8:20 am-7:55 pm

2 stops16h 35m

$604

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 3/8

1:52 pm-9:30 am

1 stop15h 38m

Porto

Fri 3/20

6:30 am-5:55 pm

1 stop15h 25m

$622

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 3/19

7:50 pm-12:50 pm

1 stop13h 00m

Porto

Tue 3/31

6:20 am-4:45 pm

1 stop15h 25m

$626

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 3/8

7:50 pm-3:15 pm

2 stops15h 25m

Porto

Fri 3/20

6:30 am-5:55 pm

1 stop15h 25m

$628

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 3/19

1:52 pm-9:30 am

1 stop15h 38m

Porto

Tue 3/31

11:05 am-4:20 pm

2 stops34h 15m

$633

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 4/14

5:28 pm-11:25 pm

2 stops24h 57m

Porto

Sun 4/19

6:20 am-4:45 pm

1 stop15h 25m

$637

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 1/25

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Sun 2/1

6:00 am-6:59 pm

2 stops17h 59m

$638

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 3/19

9:55 am-9:30 am

2 stops19h 35m

Porto

Tue 3/31

6:00 am-11:58 pm

2 stops22h 58m

$639

Flights are sorted by cheapest round-trip flights first.

Sorted 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 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.

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	13h 00m
Direct flights	None

The fastest flight from Charlotte to Porto takes 13h 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 13h 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 23%, 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 7,626 reviews	Search Lufthansa flights
American Airlines	PriceFrom $608	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Iberia	PriceFrom $652	Free Cancellation	Rating 7.0 3,045 reviews	Search Iberia flights
British Airways	PriceFrom $663	Free Cancellation	Rating 6.7 7,571 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.