Cheap Flights from Charlotte Douglas to Porto

Compare Charlotte Douglas to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

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Flight deals from Charlotte Douglas to Porto

Looking for a cheap last-minute deal or the best return flight from Charlotte Douglas to Porto? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Charlotte Douglas to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charlotte Douglas to Porto flights are currently cheapest in October.

Charlotte Douglas to Porto: Alternative routes

Compare routes from Charlotte Douglas to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Charlotte to Porto: Flight information

The things to know before you go.
Cheapest flight foundR 3,799
Cheapest month to flyOctober

Finding cheap flights from Charlotte Douglas to Porto: Frequently asked questions

The best price we found for a return flight from Charlotte Douglas to Porto is R 9,099. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Charlotte Douglas to Porto. But we found flights with one or more stops from R 9,099.
As of February 2026, there are no flights flying from Charlotte Douglas to Porto.
The cheapest month to fly from Charlotte Douglas to Porto is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charlotte Douglas Airport to Porto Airport on Monday, 20 April 2026.
No airlines currently offer direct flights between Charlotte Douglas Airport and Porto Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Porto.

Travelling from Charlotte Douglas International Airport (CLT) to Porto Airport (OPO): what you need to know

  • Porto's timezone is UTC+0, making Porto four hours ahead of Charlotte.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to board your CLT to OPO flight.

  • During popular months like August, it's a good idea to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you travel during a peak period in general.

  • If you'd like to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Charlotte Douglas International Airport to Porto Airport. Here are the top stopovers between CLT and OPO:

    • John F. Kennedy International Airport

    • Newark Liberty International Airport

    • Adolfo Suarez Madrid-Barajas Airport

How to find the cheapest flights from Charlotte Douglas International Airport (CLT) to Porto Airport (OPO)

  • The lowest price we've seen for a one-way Charlotte Douglas International Airport to Porto Airport flight is R 3,799. A return fare is currently R 9,099. Depending on the availability and when you book, these fares can change.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from CLT to OPO if you book in advance. Airlines often have some amazing early bird rates.

  • If you can be flexible with your travel dates, use the 'Whole month' tool. It'll give you the lowest price in every month when searching for a flight from Charlotte Douglas International Airport to Porto Airport.

  • You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll send you an update the moment the price changes on cheap flights from CLT to OPO.

  • Tailor your flights using filters. Choose your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Charlotte Douglas International Airport to Porto Airport.

Handy information about Charlotte Douglas International Airport (CLT)

  • The address for CLT is 5501 Josh Birmingham Parkway.

  • Of all flights departing from Charlotte Douglas International Airport, 77.67% arrive on time at their destination.

  • To reach Charlotte Douglas International Airport from central Charlotte, it'll take around 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 14 kilometres from the airport to the city centre.

  • The trip on public transport typically takes 4 hours 55 minutes.

  • Get your holiday off to a relaxed start by staying near CLT. Whether you're boarding an early flight from Charlotte Douglas International Airport to Porto Airport or just don't like being rushed, these hotels have you covered:

Arriving at Porto Airport (OPO)

  • Book a hotel close to OPO if you're taking a late Charlotte Douglas International Airport to Porto Airport flight. Check in to one of these accommodation options and skip the long transfer:

  • Begin your adventure by picking up a Porto Airport rental car. Grab your wheels from Klass Wagen, Goldcar or Drive & Go and explore beyond Porto's main sights.

  • Lock in the best possible rate by booking your vehicle from Porto Airport around three weeks before your departure date.

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport is approximately 16 kilometres from central Porto. The drive time takes around 20 minutes.

  • When travelling by public transport, expect a journey time of around 50 minutes.

When to fly to Porto Airport (OPO)

  • The quietest month for a flight from Charlotte Douglas International Airport to Porto Airport is January, while August is the busiest. Pick the ideal time to go to Porto based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Porto is August, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Charlotte Douglas International Airport to Porto Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from CLT to OPO sometime around then if you'd rather travel in cooler conditions.

Explore more of Portugal

  • Lisbon is just one of the many places in Portugal waiting to be explored once you've taken in the sights of Porto. Around 274 kilometres away to the south, its best attractions include Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • Around 274 kilometres south of Porto, Amadora is another favourite stop in Portugal. Start your sightseeing at Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.