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 47% 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 is the most popular carrier operating from Charlotte Douglas to Porto

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.

$324 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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One-way

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Cheap round-trip flights

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11:35 am - 4:55 pm

CLT

OPO

25h 20m2 stops

10:25 am - 10:43 pm

OPO

CLT

40h 18m2 stops

$496Scandinavian Airlines

Thu, Mar 19 - Wed, Mar 25

10:20 am - 9:45 am

CLT

OPO

18h 25m2 stops

6:00 am - 6:48 pm

OPO

CLT

17h 48m2 stops

$549United Airlines

Tue, Apr 7 - Tue, Apr 14

2:30 pm - 3:30 pm

CLT

OPO

20h 00m2 stops

5:00 am - 9:10 am

OPO

CLT

33h 10m2 stops

$557Delta

Wed, Apr 8 - Tue, Apr 14

10:40 am - 9:45 am

CLT

OPO

18h 05m2 stops

12:35 pm - 9:07 pm

OPO

CLT

13h 32m1 stop

$559United Airlines

Tue, Apr 7 - Wed, Apr 15

11:38 am - 10:30 am

CLT

OPO

17h 52m2 stops

5:00 am - 6:13 pm

OPO

CLT

18h 13m2 stops

$560Delta

Wed, Jan 14 - Fri, Jan 30

5:28 pm - 11:25 pm

CLT

OPO

24h 57m2 stops

6:20 am - 4:45 pm

OPO

CLT

15h 25m1 stop

$564Lufthansa

Tue, Apr 7 - Fri, Apr 17

1:00 pm - 4:00 pm

CLT

OPO

22h 00m2 stops

8:20 am - 9:55 pm

OPO

CLT

18h 35m2 stops

$571Iberia

Wed, May 6 - Wed, May 20

4:10 pm - 7:40 am

CLT

OPO

10h 30m1 stop

8:20 am - 10:13 pm

OPO

CLT

18h 53m2 stops

$574Iberia

Wed, Jan 14 - Fri, Jan 30

6:40 pm - 6:30 pm

CLT

OPO

42h 50m2 stops

8:40 am - 5:07 pm

OPO

CLT

37h 27m2 stops

$576SWISS

Wed, Apr 8 - Fri, Apr 17

3:40 pm - 7:40 am

CLT

OPO

11h 00m1 stop

12:25 pm - 10:35 am

OPO

CLT

27h 10m2 stops

$589Multiple Airlines

Wed, Apr 8 - Fri, Apr 17

Scandinavian Airlines flights from Charlotte to Porto

Our best Scandinavian Airlines deals on Charlotte to Porto flight tickets

Scandinavian Airlines

Mar 19

CLT11:35 amCharlotte Douglas

25h 20m

2 stops

OPO4:55 pmPorto

Mar 25

OPO10:25 amPorto

40h 18m

2 stops

CLT10:43 pmCharlotte Douglas

$496

Find similar

Scandinavian Airlines

Dec 18

CLT10:00 amCharlotte Douglas

25h 55m

2 stops

OPO4:55 pmPorto

Jan 5

OPO5:35 pmPorto

33h 37m

2 stops

CLT10:12 pmCharlotte Douglas

$10,643

Find similar

United Airlines flights from Charlotte to Porto

Our best United Airlines deals on Charlotte to Porto flight tickets

United Airlines

Apr 7

CLT10:20 amCharlotte Douglas

18h 25m

2 stops

OPO9:45 amPorto

Apr 14

OPO6:00 amPorto

17h 48m

2 stops

CLT6:48 pmCharlotte Douglas

$549

Find similar

United Airlines

Apr 7

CLT10:40 amCharlotte Douglas

18h 05m

2 stops

OPO9:45 amPorto

Apr 15

OPO12:35 pmPorto

13h 32m

1 stop

CLT9:07 pmCharlotte Douglas

$559

Find similar

United Airlines

Apr 10

CLT6:30 amCharlotte Douglas

22h 15m

2 stops

OPO9:45 amPorto

Apr 14

OPO6:00 amPorto

17h 48m

2 stops

CLT6:48 pmCharlotte Douglas

$600

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Fly from

Fly to

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Thu 3/19

11:35 am-4:55 pm

2 stops25h 20m

Porto

Wed 3/25

10:25 am-10:43 pm

2 stops40h 18m

$496

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 4/7

10:20 am-9:45 am

2 stops18h 25m

Porto

Tue 4/14

6:00 am-6:48 pm

2 stops17h 48m

$549

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/8

2:30 pm-3:30 pm

2 stops20h 00m

Porto

Tue 4/14

5:00 am-9:10 am

2 stops33h 10m

$557

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 4/7

10:40 am-9:45 am

2 stops18h 05m

Porto

Wed 4/15

12:35 pm-9:07 pm

1 stop13h 32m

$559

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/14

11:38 am-10:30 am

2 stops17h 52m

Porto

Fri 1/30

5:00 am-6:13 pm

2 stops18h 13m

$560

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 4/7

5:28 pm-11:25 pm

2 stops24h 57m

Porto

Fri 4/17

6:20 am-4:45 pm

1 stop15h 25m

$564

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 5/6

1:00 pm-4:00 pm

2 stops22h 00m

Porto

Wed 5/20

8:20 am-9:55 pm

2 stops18h 35m

$571

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 1/14

4:10 pm-7:40 am

1 stop10h 30m

Porto

Fri 1/30

8:20 am-10:13 pm

2 stops18h 53m

$574

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/8

6:40 pm-6:30 pm

2 stops42h 50m

Porto

Fri 4/17

8:40 am-5:07 pm

2 stops37h 27m

$576

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 4/8

3:40 pm-7:40 am

1 stop11h 00m

Porto

Fri 4/17

12:25 pm-10:35 am

2 stops27h 10m

$589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $916 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 $694 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	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 10h 30m.
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 39% of the total bookings. Other popular airlines include Iberia with 23%, American Airlines with 16%, 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 7,612 reviews	Search Lufthansa flights
American Airlines	PriceFrom $608	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 9,066 reviews	Search United Airlines flights
Iberia	PriceFrom $652	Free Cancellation	Rating 7.0 3,040 reviews	Search Iberia flights
British Airways	PriceFrom $663	Free Cancellation	Rating 6.7 7,562 reviews	Search British Airways flights

Vila Nova de Gaia

Coimbra

Braga

Aveiro

Matosinhos

Guimarães

Lamego

Esposende

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.

Start using Trips

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Airports servicing Portugal

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Lisbon Humberto Delgado Airport

Azores Airport

Madeira Airport

Algarve Airport

Cheap flights from Charlotte to Porto from $324

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 2/13. 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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Scandinavian Airlines flights from Charlotte to Porto

Our best Scandinavian Airlines deals on Charlotte to Porto flight tickets

United Airlines flights from Charlotte to Porto

Our best United Airlines 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 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 is the most popular carrier 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

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