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Cheap flights from Charlotte to Porto from $325

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 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Charlotte to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 7:40 amCLT  Charlotte Douglas-OPO Porto
10h 55m1 stop Madrid Barajas
Multiple Airlines Logo
12:25 pm - 8:32 amOPO  Porto-CLT Charlotte Douglas
25h 07m2 stops Madrid Barajas New York John F Kennedy Intl
$731Multiple Airlines
Sun, Dec 6 - Wed, Dec 16
Iberia Logo
3:45 pm - 7:40 amCLT  Charlotte Douglas-OPO Porto
10h 55m1 stop Madrid Barajas
Iberia Logo
8:40 pm - 4:10 pmOPO  Porto-CLT Charlotte Douglas
24h 30m1 stop Madrid Barajas
$732Iberia
Sun, Dec 6 - Wed, Dec 16
Iberia Logo
6:06 pm - 4:00 pmCLT  Charlotte Douglas-OPO Porto
16h 54m2 stops Miami Madrid Barajas
Iberia Logo
8:40 pm - 4:10 pmOPO  Porto-CLT Charlotte Douglas
24h 30m1 stop Madrid Barajas
$736Iberia
Sun, Nov 8 - Mon, Dec 21
Multiple Airlines Logo
5:10 pm - 11:15 amCLT  Charlotte Douglas-OPO Porto
37h 05m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
1:45 pm - 9:06 pmOPO  Porto-CLT Charlotte Douglas
36h 21m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$745Multiple Airlines
Sun, Nov 8 - Mon, Dec 21
Iberia Logo
9:05 am - 7:40 amCLT  Charlotte Douglas-OPO Porto
17h 35m2 stops New York John F Kennedy Intl Madrid Barajas
Iberia Logo
8:40 pm - 2:20 pmOPO  Porto-CLT Charlotte Douglas
22h 40m2 stops Madrid Barajas London Heathrow
$746Iberia
Sun, Dec 6 - Wed, Dec 16
Delta Logo
2:30 pm - 9:05 amCLT  Charlotte Douglas-OPO Porto
13h 35m1 stop New York John F Kennedy Intl
Delta Logo
5:00 am - 9:50 pmOPO  Porto-CLT Charlotte Douglas
21h 50m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$747Delta
Wed, Nov 11 - Thu, Dec 24
Lufthansa Logo
6:50 pm - 12:50 pmCLT  Charlotte Douglas-OPO Porto
13h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
1:45 pm - 4:55 pmOPO  Porto-CLT Charlotte Douglas
32h 10m1 stop Munich Franz Josef Strauss
$750Lufthansa
Mon, Nov 9 - Mon, Dec 21
United Airlines Logo
6:11 pm - 9:30 amCLT  Charlotte Douglas-OPO Porto
10h 19m1 stop Newark
United Airlines Logo
12:35 pm - 9:58 pmOPO  Porto-CLT Charlotte Douglas
14h 23m1 stop Newark
$754United Airlines
Tue, Nov 10 - Thu, Dec 17
United Airlines Logo
6:10 pm - 9:30 amCLT  Charlotte Douglas-OPO Porto
10h 20m1 stop Newark
United Airlines Logo
12:35 pm - 9:58 pmOPO  Porto-CLT Charlotte Douglas
14h 23m1 stop Newark
$754United Airlines
Sun, Nov 8 - Wed, Dec 23
Lufthansa Logo
6:50 pm - 12:50 pmCLT  Charlotte Douglas-OPO Porto
13h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
1:45 pm - 4:55 pmOPO  Porto-CLT Charlotte Douglas
32h 10m1 stop Munich Franz Josef Strauss
$755Lufthansa
Tue, Nov 10 - Mon, Dec 21

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United Airlines flights from Charlotte to Porto

Our best United Airlines deals on Charlotte to Porto flight tickets
United Airlines
Nov 9
CLT8:10 amCharlotte Douglas
20h 20m
2 stops
OPO9:30 amPorto
Nov 14
OPO6:00 amPorto
17h 48m
2 stops
CLT6:48 pmCharlotte Douglas
$800
United Airlines
Oct 21
CLT9:54 amCharlotte Douglas
18h 51m
1 stop
OPO9:45 amPorto
Nov 25
OPO12:35 pmPorto
26h 32m
2 stops
CLT10:07 amCharlotte Douglas
$805
United Airlines
Oct 21
CLT1:15 pmCharlotte Douglas
15h 30m
1 stop
OPO9:45 amPorto
Nov 25
OPO12:35 pmPorto
14h 06m
1 stop
CLT9:41 pmCharlotte Douglas
$814

Lufthansa flights from Charlotte to Porto

Our best Lufthansa deals on Charlotte to Porto flight tickets
Lufthansa
Nov 9
CLT6:50 pmCharlotte Douglas
13h 00m
1 stop
OPO12:50 pmPorto
Dec 21
OPO1:45 pmPorto
32h 10m
1 stop
CLT4:55 pmCharlotte Douglas
$750
Lufthansa
Nov 10
CLT6:50 pmCharlotte Douglas
13h 00m
1 stop
OPO12:50 pmPorto
Dec 21
OPO1:45 pmPorto
32h 10m
1 stop
CLT4:55 pmCharlotte Douglas
$755
Lufthansa
Nov 9
CLT6:50 pmCharlotte Douglas
13h 00m
1 stop
OPO12:50 pmPorto
Nov 14
OPO6:10 amPorto
15h 45m
1 stop
CLT4:55 pmCharlotte Douglas
$766

momondo Fare Finder

 
Customize your flight search to find flights from Charlotte to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Charlotte to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Sun 12/6

3:45 pm-7:40 am

1 stop10h 55m

Porto

Wed 12/16

12:25 pm-8:32 am

2 stops25h 07m

$731

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Sun 12/6

3:45 pm-7:40 am

1 stop10h 55m

Porto

Wed 12/16

8:40 pm-4:10 pm

1 stop24h 30m

$732

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Sun 11/8

6:06 pm-4:00 pm

2 stops16h 54m

Porto

Mon 12/21

8:40 pm-4:10 pm

1 stop24h 30m

$736

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Sun 11/8

5:10 pm-11:15 am

2 stops37h 05m

Porto

Mon 12/21

1:45 pm-9:06 pm

2 stops36h 21m

$745

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Sun 12/6

9:05 am-7:40 am

2 stops17h 35m

Porto

Wed 12/16

8:40 pm-2:20 pm

2 stops22h 40m

$746

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Wed 11/11

2:30 pm-9:05 am

1 stop13h 35m

Porto

Thu 12/24

5:00 am-9:50 pm

2 stops21h 50m

$747

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Mon 11/9

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Mon 12/21

1:45 pm-4:55 pm

1 stop32h 10m

$750
Quickest round-trip

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Tue 11/10

6:11 pm-9:30 am

1 stop10h 19m

Porto

Thu 12/17

12:35 pm-9:58 pm

1 stop14h 23m

$754

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Sun 11/8

6:10 pm-9:30 am

1 stop10h 20m

Porto

Wed 12/23

12:35 pm-9:58 pm

1 stop14h 23m

$754

CharlottePorto

CLT Charlotte Douglas - OPO Porto

CLTOPO

Charlotte Douglas

Tue 11/10

6:50 pm-12:50 pm

1 stop13h 00m

Porto

Mon 12/21

1:45 pm-4:55 pm

1 stop32h 10m

$755

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of November is, on average, the cheapest month to fly to Porto from Charlotte, with most prices found around $642. If you aren’t able to travel during the month of November, then book flights to Porto from Charlotte during April instead. Flights to Porto in April, while not as cheap as those in November, still average around $682.

Can stopping save me money on Charlotte to Porto flights?

You could potentially save up to 47% 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

10h 55m

Direct flights

None
The fastest flight from Charlotte to Porto takes 10h 55m
There are no direct flights from Charlotte to Porto. There are no popular flight routes from Charlotte to Porto.
Search flight deals

Frequently asked questions about flying from Charlotte to Porto

  • 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 55m.

  • 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?

  • 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?

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
American AirlinesPriceFrom $555Free CancellationRating
7.1
11,911 reviews
Search American Airlines flights
LufthansaPriceFrom $561Free CancellationRating
6.8
8,179 reviews
Search Lufthansa flights
IberiaPriceFrom $641Free CancellationRating
7.0
3,261 reviews
Search Iberia flights
United AirlinesPriceFrom $642Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Pinhao
Esposende
Chaves
Arcos de Valdevez
Viseu
Guimarães
Espinho
Lamego
Ponte de Lima
Mesao Frio
Penafiel
Caminha
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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