$675 Cheap Flights from Porto (OPO) to Charlotte (CLT)

View $675 flight on Wed, May 6, 2026Opens in a new window

Popular airlines from Porto Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT)

Cheap Flights from Porto to Charlotte (OPO-CLT)

Prices were available within the past 7 days and start at $675 for one-way flights and $676 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Oct 4 - Mon, Oct 6
OPO
Porto
CLT
Charlotte
$676 Roundtrip, found 1 day ago
$676
Roundtrip
found 1 day ago
Select KLM flight, departing Sat, Oct 4 from Porto to Charlotte, returning Mon, Oct 6, priced at $676 found 1 day ago
Iberia
Thu, Nov 6 - Mon, Nov 10
OPO
Porto
CLT
Charlotte
$692 Roundtrip, found 5 days ago
$692
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Nov 6 from Porto to Charlotte, returning Mon, Nov 10, priced at $692 found 5 days ago
Scandinavian Airlines
Mon, Nov 10 - Thu, Nov 27
OPO
Porto
CLT
Charlotte
$692 Roundtrip, found 1 day ago
$692
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Mon, Nov 10 from Porto to Charlotte, returning Thu, Nov 27, priced at $692 found 1 day ago
British Airways
Thu, Nov 6 - Mon, Nov 10
OPO
Porto
CLT
Charlotte
$694 Roundtrip, found 5 days ago
$694
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Nov 6 from Porto to Charlotte, returning Mon, Nov 10, priced at $694 found 5 days ago
Iberia
Thu, Nov 6 - Mon, Nov 10
OPO
Porto
CLT
Charlotte
$696 Roundtrip, found 5 days ago
$696
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Nov 6 from Porto to Charlotte, returning Mon, Nov 10, priced at $696 found 5 days ago
British Airways
Thu, Nov 6 - Mon, Nov 10
OPO
Porto
CLT
Charlotte
$696 Roundtrip, found 5 days ago
$696
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Nov 6 from Porto to Charlotte, returning Mon, Nov 10, priced at $696 found 5 days ago
Iberia
Thu, Nov 6 - Mon, Nov 10
OPO
Porto
CLT
Charlotte
$697 Roundtrip, found 5 days ago
$697
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Nov 6 from Porto to Charlotte, returning Mon, Nov 10, priced at $697 found 5 days ago
British Airways
Tue, Apr 21 - Sun, May 17
OPO
Porto
CLT
Charlotte
$699 Roundtrip, found 20 hours ago
$699
Roundtrip
found 20 hours ago
Select British Airways flight, departing Tue, Apr 21 from Porto to Charlotte, returning Sun, May 17, priced at $699 found 20 hours ago
Iberia
Thu, Nov 6 - Mon, Nov 10
OPO
Porto
CLT
Charlotte
$702 Roundtrip, found 5 days ago
$702
Roundtrip
found 5 days ago
Select Iberia flight, departing Thu, Nov 6 from Porto to Charlotte, returning Mon, Nov 10, priced at $702 found 5 days ago
Air Canada
Thu, Sep 18 - Mon, Sep 22
OPO
Porto
CLT
Charlotte
$764 Roundtrip, found 13 hours ago
$764
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Thu, Sep 18 from Porto to Charlotte, returning Mon, Sep 22, priced at $764 found 13 hours ago

Alternative airports near Charlotte

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Charlotte-Douglas Intl. CLT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $800
CLT
Charlotte-Douglas Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $800
Flights from Porto (OPO) to Charlotte (CLT)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Charlotte-Douglas Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Iberia, KLM, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$676
Distance
3830 mi

Porto to Charlotte Flights

The cheapest times to fly from Porto to Charlotte

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto to Charlotte are during the month of October. You can find some of the cheapest flights from Porto to Charlotte with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Porto to Charlotte

Sunday is one of the best days to book for cheap flights from Porto to Charlotte: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Porto to Charlotte

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto to Charlotte in 2025. You can also book with separate airlines for your outbound and return journeys, from $675 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto to Charlotte flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto to Charlotte airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT) cost?
Secure a cheap one-way flight from $675 or cheap return flight from $676 from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT)?
October is the least expensive month to fly from OPO to CLT. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest OPO to CLT flight.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT)?
Direct flights from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OPO to CLT?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT)?
Book a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT) last-minute?
Booking your flight from OPO to CLT right before your getaway is usually more expensive. But if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an OPO to CLT flight and hotel package?
You can save money by securing an OPO to CLT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Charlotte-Douglas Intl. Airport (CLT)?
If you reserved your OPO to CLT flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.