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Cheap flights from Charleston to Portugal from $373

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 4/4. 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
0 bags

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Find the cheapest flights from Charleston to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:58 pm - 11:30 am
CHS
-
LIS
15h 32m2 stops
Lufthansa Logo
10:15 am - 11:44 pm
LIS
-
CHS
18h 29m1 stop
$457Lufthansa
Fri, Jan 23 - Mon, Feb 2
Lufthansa Logo
2:58 pm - 11:30 am
CHS
-
LIS
15h 32m2 stops
Lufthansa Logo
10:15 am - 5:59 pm
LIS
-
CHS
12h 44m1 stop
$458Lufthansa
Fri, Jan 23 - Mon, Feb 2
Lufthansa Logo
2:58 pm - 11:35 am
CHS
-
LIS
15h 37m2 stops
Lufthansa Logo
10:15 am - 5:59 pm
LIS
-
CHS
12h 44m1 stop
$459Lufthansa
Thu, Jan 22 - Fri, Jan 30
Multiple Airlines Logo
10:55 am - 8:55 am
CHS
-
LIS
41h 00m2 stops
Multiple Airlines Logo
8:20 am - 5:59 pm
LIS
-
CHS
38h 39m2 stops
$488Multiple Airlines
Fri, Jan 23 - Mon, Feb 2
United Airlines Logo
6:00 am - 9:20 am
CHS
-
LIS
22h 20m2 stops
United Airlines Logo
11:20 am - 7:11 pm
LIS
-
CHS
36h 51m2 stops
$493United Airlines
Tue, Jan 13 - Fri, Jan 23
Air Canada Logo
6:00 am - 9:20 am
CHS
-
LIS
22h 20m2 stops
Air Canada Logo
11:20 am - 2:48 pm
LIS
-
CHS
32h 28m2 stops
$496Air Canada
Tue, Jan 13 - Fri, Jan 23
United Airlines Logo
6:05 am - 8:10 am
CHS
-
LIS
21h 05m2 stops
United Airlines Logo
5:00 am - 8:02 pm
LIS
-
CHS
20h 02m2 stops
$499United Airlines
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
7:00 pm - 8:55 am
CHS
-
LIS
32h 55m2 stops
Multiple Airlines Logo
10:15 am - 6:04 pm
LIS
-
CHS
12h 49m1 stop
$501Multiple Airlines
Fri, Jan 23 - Sat, Jan 31
British Airways Logo
3:45 pm - 10:20 am
CHS
-
FAO
37h 35m2 stops
British Airways Logo
3:35 pm - 8:39 pm
FAO
-
CHS
34h 04m2 stops
$739British Airways
Sun, Apr 5 - Tue, Apr 14
American Airlines Logo
2:43 pm - 12:15 pm
CHS
-
FAO
16h 32m3 stops
American Airlines Logo
11:30 am - 3:45 pm
FAO
-
CHS
33h 15m2 stops
$1,010American Airlines
Sun, Apr 5 - Tue, Apr 14

Lufthansa flights from Charleston to Portugal

Our best Lufthansa deals on Charleston to Portugal flight tickets
Lufthansa
Jan 23
CHS2:58 pmCharleston
15h 32m
2 stops
LIS11:30 amLisbon Humberto Delgado
Feb 2
LIS10:15 amLisbon Humberto Delgado
18h 29m
1 stop
CHS11:44 pmCharleston
$457
Find similar
Lufthansa
Jan 22
CHS2:58 pmCharleston
15h 37m
2 stops
LIS11:35 amLisbon Humberto Delgado
Jan 30
LIS10:15 amLisbon Humberto Delgado
12h 44m
1 stop
CHS5:59 pmCharleston
$459
Find similar
Lufthansa
Apr 23
CHS2:30 pmCharleston
12h 50m
1 stop
LIS8:20 amLisbon Humberto Delgado
May 1
LIS12:20 pmLisbon Humberto Delgado
16h 34m
1 stop
CHS11:54 pmCharleston
$647
Find similar

United Airlines flights from Charleston to Portugal

Our best United Airlines deals on Charleston to Portugal flight tickets
United Airlines
Jan 22
CHS6:30 amCharleston
21h 50m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 30
LIS11:20 amLisbon Humberto Delgado
34h 00m
2 stops
CHS4:20 pmCharleston
$493
Find similar
United Airlines
Jan 30
CHS6:05 amCharleston
21h 05m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 3
LIS5:00 amLisbon Humberto Delgado
20h 02m
2 stops
CHS8:02 pmCharleston
$499
Find similar
United Airlines
Jan 30
CHS6:05 amCharleston
21h 05m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 3
LIS10:15 amLisbon Humberto Delgado
12h 44m
1 stop
CHS5:59 pmCharleston
$511
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to Portugal 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 December 18, 2025.
Use the filters below to find and compare flights from Charleston to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Fri 1/23

2:58 pm-11:30 am

2 stops15h 32m

Lisbon Humberto Delgado

Mon 2/2

10:15 am-11:44 pm

1 stop18h 29m

$457

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Fri 1/23

2:58 pm-11:30 am

2 stops15h 32m

Lisbon Humberto Delgado

Mon 2/2

10:15 am-5:59 pm

1 stop12h 44m

$458

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Thu 1/22

2:58 pm-11:35 am

2 stops15h 37m

Lisbon Humberto Delgado

Fri 1/30

10:15 am-5:59 pm

1 stop12h 44m

$459

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Fri 1/23

10:55 am-8:55 am

2 stops41h 00m

Lisbon Humberto Delgado

Mon 2/2

8:20 am-5:59 pm

2 stops38h 39m

$488

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Tue 1/13

6:00 am-9:20 am

2 stops22h 20m

Lisbon Humberto Delgado

Fri 1/23

11:20 am-7:11 pm

2 stops36h 51m

$493

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Tue 1/13

6:00 am-9:20 am

2 stops22h 20m

Lisbon Humberto Delgado

Fri 1/23

11:20 am-2:48 pm

2 stops32h 28m

$496

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Fri 1/30

6:05 am-8:10 am

2 stops21h 05m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-8:02 pm

2 stops20h 02m

$499

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Fri 1/23

7:00 pm-8:55 am

2 stops32h 55m

Lisbon Humberto Delgado

Sat 1/31

10:15 am-6:04 pm

1 stop12h 49m

$501

CharlestonFaro

CHS - FAO

CHSFAO

Charleston

Sun 4/5

3:45 pm-10:20 am

2 stops37h 35m

Faro

Tue 4/14

3:35 pm-8:39 pm

2 stops34h 04m

$739

CharlestonFaro

CHS - FAO

CHSFAO

Charleston

Sun 4/5

2:43 pm-12:15 pm

3 stops16h 32m

Faro

Tue 4/14

11:30 am-3:45 pm

2 stops33h 15m

$1,010

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 Portugal from

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 November instead. Flights to Portugal in November, while not as cheap as those in February, still average around $657.

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 $982 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 $586 on momondo.

Can stopping save me money on Charleston to Portugal flights?

You could potentially save up to 25% on your flight if you consider stops on a Charleston to Portugal flight.

Cheap Charleston to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to Portugal

Fastest flight time

10h 17m

Direct flights

None
The fastest flight from Charleston to Portugal takes 10h 17m
There are no direct flights from Charleston to Portugal. There are no popular flight routes from Charleston to Portugal.
Search flight deals

  • 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?

  • 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
United AirlinesPriceFrom $510Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
DeltaPriceFrom $530Free CancellationRating
7.9
8,007 reviews
Search Delta flights
KLMPriceFrom $566Free CancellationRating
7.7
1,430 reviews
Search KLM flights
American AirlinesPriceFrom $569Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
British AirwaysPriceFrom $653Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom $785Free CancellationRating
7.2
2,091 reviews
Search TAP AIR PORTUGAL flights

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.

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Find better results for your trip to Portugal

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