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 42% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 6 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?

United Airlines, KLM, and Royal Air Maroc are the most popular carriers 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 August 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.

$304 Cheap Flights from Charlotte to Porto in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Charlotte to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

6:31 pm - 9:45 amCLT-OPO

10h 14m1 stop

6:00 am - 11:58 pmOPO-CLT

22h 58m2 stops

$560United Airlines

Find Deal

ב', אוק' 20 - ג', נוב' 4

11:27 am - 9:45 amCLT-OPO

17h 18m1 stop

12:35 pm - 9:59 pmOPO-CLT

14h 24m1 stop

$567United Airlines

Find Deal

ב', אוק' 20 - ג', נוב' 4

6:30 pm - 4:00 pmCLT-OPO

16h 30m2 stops

8:20 am - 4:35 pmOPO-CLT

13h 15m1 stop

$598Iberia

Find Deal

א', נוב' 2 - ו', ינו' 16

4:00 pm - 8:00 pmCLT-OPO

23h 00m1 stop

8:20 am - 4:35 pmOPO-CLT

13h 15m1 stop

$601Iberia

Find Deal

א', נוב' 2 - ו', ינו' 16

3:45 pm - 7:35 amCLT-OPO

10h 50m1 stop

8:40 pm - 4:30 pmOPO-CLT

24h 50m1 stop

$603American Airlines

Find Deal

ב', אוק' 20 - ד', נוב' 5

5:00 pm - 7:40 amCLT-OPO

10h 40m1 stop

8:20 am - 8:43 pmOPO-CLT

17h 23m2 stops

$604British Airways

Find Deal

ד', אוק' 29 - ד', נוב' 19

2:35 pm - 11:45 amCLT-OPO

16h 10m2 stops

8:20 am - 9:43 pmOPO-CLT

18h 23m2 stops

$608American Airlines

Find Deal

א', נוב' 2 - ו', ינו' 16

3:40 pm - 7:40 amCLT-OPO

11h 00m1 stop

8:40 pm - 4:20 pmOPO-CLT

24h 40m1 stop

$627British Airways

Find Deal

א', נוב' 16 - ב', נוב' 24

6:50 pm - 12:50 pmCLT-OPO

13h 00m1 stop

1:45 pm - 4:55 pmOPO-CLT

32h 10m1 stop

$632Lufthansa

Find Deal

א', נוב' 2 - ב', נוב' 17

7:44 pm - 11:40 amCLT-OPO

34h 56m2 stops

1:45 pm - 4:55 pmOPO-CLT

32h 10m1 stop

$643Lufthansa

Find Deal

ש', נוב' 15 - ב', נוב' 24

Delta flights from Charlotte to Porto

Our best Delta deals on Charlotte to Porto flight tickets

Delta

Sep 3

CLT1:08 pmCharlotte Douglas

21h 22m

2 stops

OPO3:30 pmPorto

Sep 9

OPO4:20 pmPorto

21h 50m

2 stops

CLT9:10 amCharlotte Douglas

$907

Find similar

Delta

Sep 12

CLT6:07 pmCharlotte Douglas

19h 08m

2 stops

OPO6:15 pmPorto

Sep 21

OPO5:00 amPorto

23h 46m

2 stops

CLT11:46 pmCharlotte Douglas

$1,072

Find similar

Delta

Sep 12

CLT6:07 pmCharlotte Douglas

19h 08m

2 stops

OPO6:15 pmPorto

Sep 21

OPO5:00 amPorto

23h 34m

2 stops

CLT11:34 pmCharlotte Douglas

$1,073

Find similar

United Airlines flights from Charlotte to Porto

Our best United Airlines deals on Charlotte to Porto flight tickets

United Airlines

Oct 20

CLT6:31 pmCharlotte Douglas

10h 14m

1 stop

OPO9:45 amPorto

Nov 4

OPO6:00 amPorto

22h 58m

2 stops

CLT11:58 pmCharlotte Douglas

$560

Find similar

United Airlines

Oct 20

CLT11:27 amCharlotte Douglas

17h 18m

1 stop

OPO9:45 amPorto

Nov 4

OPO12:35 pmPorto

14h 24m

1 stop

CLT9:59 pmCharlotte Douglas

$567

Find similar

United Airlines

Oct 20

CLT1:20 pmCharlotte Douglas

15h 25m

1 stop

OPO9:45 amPorto

Nov 5

OPO12:35 pmPorto

25h 30m

1 stop

CLT9:05 amCharlotte Douglas

$583

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

ב' 10/20

6:31 pm-9:45 am

1 stop10h 14m

Porto

ג' 11/4

6:00 am-11:58 pm

2 stops22h 58m

$560

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

ב' 10/20

11:27 am-9:45 am

1 stop17h 18m

Porto

ג' 11/4

12:35 pm-9:59 pm

1 stop14h 24m

$567

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

א' 11/2

6:30 pm-4:00 pm

2 stops16h 30m

Porto

ו' 1/16

8:20 am-4:35 pm

1 stop13h 15m

$598

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

א' 11/2

4:00 pm-8:00 pm

1 stop23h 00m

Porto

ו' 1/16

8:20 am-4:35 pm

1 stop13h 15m

$601

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

ב' 10/20

3:45 pm-7:35 am

1 stop10h 50m

Porto

ד' 11/5

8:40 pm-4:30 pm

1 stop24h 50m

$603

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

ד' 10/29

5:00 pm-7:40 am

1 stop10h 40m

Porto

ד' 11/19

8:20 am-8:43 pm

2 stops17h 23m

$604

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

א' 11/2

2:35 pm-11:45 am

2 stops16h 10m

Porto

ו' 1/16

8:20 am-9:43 pm

2 stops18h 23m

$608

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

א' 11/16

3:40 pm-7:40 am

1 stop11h 00m

Porto

ב' 11/24

8:40 pm-4:20 pm

1 stop24h 40m

$627

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

א' 11/2

6:50 pm-12:50 pm

1 stop13h 00m

Porto

ב' 11/17

1:45 pm-4:55 pm

1 stop32h 10m

$632

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

ש' 11/15

7:44 pm-11:40 am

2 stops34h 56m

Porto

ב' 11/24

1:45 pm-4:55 pm

1 stop32h 10m

$643

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 $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 $650.

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 $886 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 45% 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.

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 05m.
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 August 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 34% of the total bookings. Other popular airlines include Iberia with 30%, American Airlines with 17%, and British Airways with 10%.

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 $583	Free Cancellation	Rating 7.0 2,894 reviews	Search Iberia flights
British Airways	PriceFrom $602	Free Cancellation	Rating 6.7 7,320 reviews	Search British Airways flights
American Airlines	PriceFrom $607	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Lufthansa	PriceFrom $610	Free Cancellation	Rating 6.8 7,372 reviews	Search Lufthansa flights
United Airlines	PriceFrom $702	Free Cancellation	Rating 7.4 8,941 reviews	Search United Airlines flights

Vila Nova de Gaia

Aveiro

Coimbra

Braga

Matosinhos

Caminha

Guimarães

Lamego

Esposende

Chaves

Arcos de Valdevez

Espinho

Viseu

Ponte de Lima

Pinhao

Santa Maria da Feira

Curia

Penafiel

Mesao Frio

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

Find my bookings

Get notified when prices go down

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

1 adult

ד' 9/3

ד' 9/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Airports servicing Portugal

Faro Airport

Lisbon Humberto Delgado Airport

Azores Airport

Madeira Airport

Algarve Airport

Cheap flights from Charlotte to Porto from $304

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 10/15. 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

Cheap one-way flights

Cheap last minute flights

Delta flights from Charlotte to Porto

Our best Delta 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

momondo Fare Finder

Use the filters below to find and compare flights from Charlotte to Porto that are best for you.

See travel insights to Porto from

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 45% 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, KLM, and Royal Air Maroc 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