Cheap flights from Charleston to Portugal from $367
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to Portugal departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Charleston to Portugal
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 Portugal?
The cheapest month to fly to Portugal from Charleston is in February. Flight prices, which tend to average around $639, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Charleston during March instead. Flights to Portugal in March, while not as cheap as those in February, still average around $661.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Sunday is the cheapest day to fly to Portugal from Charleston. The lowest ticket price found for a Sunday departure recently was $959. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Saturday, with ticket prices averaging around $1,287.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Charleston to Portugal during this time can be as low as $873. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,204 per ticket.
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $1,025 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Charleston for as low as $771 on momondo.
What is the cheapest airline that flies from Charleston to Portugal?
United Airlines is the most popular carrier operating from Charleston to Portugal
What airlines fly to Portugal?
United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Portugal from Charleston according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 6 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Charleston to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Charleston to Portugal
When did momondo last update prices for flights from Charleston Airport to Portugal?
Prices for flights from Charleston Airport to Portugal refresh daily.
How many operators does momondo search for flights from Charleston Airport to Portugal?
As of June 2025, there are 5 operators available to choose from for flights from Charleston Airport to Portugal.
How old do you have to be to fly from Charleston Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Charleston Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Charleston to Portugal
Compare and see reviews for airlines that fly from Charleston to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $565 | Free Cancellation | Rating 7.4 8,838 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $584 | Free Cancellation | Rating 6.6 7,067 reviews | |||
| PriceFrom $639 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,095 | Free Cancellation | Rating 7.1 1,903 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Charleston to Portugal?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Charleston to Portugal. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Charleston to Portugal with flexible booking policies on momondo?
All flight searches from Charleston to Portugal on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Charleston to Portugal?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portugal from Charleston.
I’m not ready to book a flight from Charleston to Portugal right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Charleston to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.