What is the cheapest airline that flies from Charleston to Portugal?

British Airways, Air Canada, and KLM are the most popular carriers operating from Charleston to Portugal

What airlines fly to Portugal?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Portugal from Charleston according to our data. British Airways is the first choice among our users, with 40% 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.

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 May 2026, there are 6 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.

$440 Cheap Flights from Charleston to Portugal in 2026

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Find the cheapest flights from Charleston to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 9:20 am

CHS

LIS

18h 20m

2 stops

11:25 am - 2:25 pm

LIS

CHS

32h 00m

2 stops

$898United Airlines

Wed, Aug 19 - Tue, Aug 25

11:09 am - 8:20 am

CHS

LIS

16h 11m

1 stop

5:05 am - 9:04 pm

LIS

CHS

20h 59m

2 stops

$903United Airlines

Tue, Sep 29 - Tue, Oct 6

12:45 pm - 8:00 am

CHS

LIS

14h 15m

1 stop

9:20 am - 10:11 pm

LIS

CHS

17h 51m

2 stops

$904KLM

Tue, Sep 29 - Tue, Oct 6

7:00 am - 9:20 am

CHS

LIS

21h 20m

2 stops

5:05 am - 9:04 pm

LIS

CHS

20h 59m

2 stops

$907United Airlines

Tue, Sep 29 - Tue, Oct 6

2:25 pm - 11:15 am

CHS

LIS

15h 50m

2 stops

9:20 am - 10:11 pm

LIS

CHS

17h 51m

2 stops

$908Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

6:38 pm - 9:05 am

CHS

LIS

9h 27m

1 stop

11:05 am - 5:54 pm

LIS

CHS

11h 49m

1 stop

$909British Airways

Tue, Sep 29 - Tue, Oct 6

12:45 pm - 8:50 am

CHS

LIS

15h 05m

2 stops

9:20 am - 10:11 pm

LIS

CHS

17h 51m

2 stops

$914Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

10:19 am - 10:30 am

CHS

LIS

19h 11m

1 stop

10:25 am - 11:59 pm

LIS

CHS

18h 34m

1 stop

$915United Airlines

Mon, Oct 12 - Tue, Oct 20

12:21 pm - 9:05 am

CHS

LIS

15h 44m

2 stops

11:05 am - 6:17 pm

LIS

CHS

12h 12m

1 stop

$919American Airlines

Wed, Aug 19 - Tue, Aug 25

10:19 am - 10:30 am

CHS

LIS

19h 11m

1 stop

10:25 am - 11:59 pm

LIS

CHS

18h 34m

1 stop

$920United Airlines

Wed, Oct 7 - Tue, Oct 13

Delta flights from Charleston to Portugal

Our best Delta deals on Charleston to Portugal flight tickets

Delta

Aug 30

CHS6:00 amCharleston

21h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Sep 8

LIS12:45 pmLisbon Humberto Delgado

31h 08m

1 stop

CHS2:53 pmCharleston

$962

Delta

Jul 14

CHS6:00 amCharleston

21h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Jul 23

LIS9:50 amLisbon Humberto Delgado

17h 54m

2 stops

CHS10:44 pmCharleston

$993

Delta

Jul 14

CHS3:15 pmCharleston

15h 00m

2 stops

LIS11:15 amLisbon Humberto Delgado

Jul 23

LIS9:50 amLisbon Humberto Delgado

17h 54m

2 stops

CHS10:44 pmCharleston

$998

Air Canada flights from Charleston to Portugal

Our best Air Canada deals on Charleston to Portugal flight tickets

Air Canada

Aug 19

CHS10:19 amCharleston

18h 01m

2 stops

LIS9:20 amLisbon Humberto Delgado

Aug 25

LIS11:25 amLisbon Humberto Delgado

31h 48m

2 stops

CHS2:13 pmCharleston

$927

Air Canada

Aug 29

CHS7:52 pmCharleston

32h 28m

2 stops

LIS9:20 amLisbon Humberto Delgado

Sep 8

LIS11:25 amLisbon Humberto Delgado

31h 30m

2 stops

CHS1:55 pmCharleston

$944

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Wed 8/19

10:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Tue 8/25

11:25 am-2:25 pm

2 stops32h 00m

$898

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Tue 9/29

11:09 am-8:20 am

1 stop16h 11m

Lisbon Humberto Delgado

Tue 10/6

5:05 am-9:04 pm

2 stops20h 59m

$903

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Tue 9/29

12:45 pm-8:00 am

1 stop14h 15m

Lisbon Humberto Delgado

Tue 10/6

9:20 am-10:11 pm

2 stops17h 51m

$904

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Tue 9/29

7:00 am-9:20 am

2 stops21h 20m

Lisbon Humberto Delgado

Tue 10/6

5:05 am-9:04 pm

2 stops20h 59m

$907

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Wed 10/7

2:25 pm-11:15 am

2 stops15h 50m

Lisbon Humberto Delgado

Tue 10/13

9:20 am-10:11 pm

2 stops17h 51m

$908

Quickest round-trip

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Tue 9/29

6:38 pm-9:05 am

1 stop9h 27m

Lisbon Humberto Delgado

Tue 10/6

11:05 am-5:54 pm

1 stop11h 49m

$909

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Wed 10/7

12:45 pm-8:50 am

2 stops15h 05m

Lisbon Humberto Delgado

Tue 10/13

9:20 am-10:11 pm

2 stops17h 51m

$914

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Mon 10/12

10:19 am-10:30 am

1 stop19h 11m

Lisbon Humberto Delgado

Tue 10/20

10:25 am-11:59 pm

1 stop18h 34m

$915

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Wed 8/19

12:21 pm-9:05 am

2 stops15h 44m

Lisbon Humberto Delgado

Tue 8/25

11:05 am-6:17 pm

1 stop12h 12m

$919

CharlestonLisbon

CHS - LIS

CHSLIS

Charleston

Wed 10/7

10:19 am-10:30 am

1 stop19h 11m

Lisbon Humberto Delgado

Tue 10/13

10:25 am-11:59 pm

1 stop18h 34m

$920

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Charleston is in September. Flight prices, which tend to average around $473, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Portugal from Charleston during November instead. Flights to Portugal in November, while not as cheap as those in September, still average around $493.

How far in advance should I book a flight from Charleston 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 $968 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 $778 on momondo.

Can stopping save me money on Charleston to Portugal flights?

You could potentially save up to 6% 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	14h 15m
Direct flights	None

The fastest flight from Charleston to Portugal takes 14h 15m

There are no direct flights from Charleston to Portugal. There are no popular flight routes from Charleston to Portugal.

Search flight deals

Frequently asked questions about flying 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 May 2026, there are 6 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
United Airlines	PriceFrom $493	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Delta	PriceFrom $530	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights
Lufthansa	PriceFrom $539	Free Cancellation	Rating 6.8 7,980 reviews	Search Lufthansa flights
British Airways	PriceFrom $610	Free Cancellation	Rating 6.7 7,952 reviews	Search British Airways flights
American Airlines	PriceFrom $739	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
TAP AIR PORTUGAL	PriceFrom $785	Free Cancellation	Rating 7.2 2,245 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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Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $434

Flights to Portofrom $438

Flights to Funchalfrom $620

Flights to Farofrom $621

Flights to Ponta Delgadafrom $610

Flights to Lajesfrom $621

Flights to Pico Islandfrom $663

Flights to Hortafrom $866

Flights to Porto Santofrom $1,061

Flights to Velasfrom $771

Cheap flights from Charleston to Portugal from $440

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 8/19. 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

What is the cheapest month to fly to Portugal?

How far in advance should I book a flight from Charleston to Portugal?

Can stopping save me money on Charleston to Portugal flights?

What is the cheapest airline that flies from Charleston to Portugal?

What airlines fly to Portugal?

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

Direct flights

Frequently asked questions about flying from Charleston to Portugal

Best airlines flying from Charleston to Portugal

Compare and see reviews for airlines that fly from Charleston to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Charleston flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year