Which airports can I use when flying from Charleston to Porto?

Flights from Charleston to Porto usually depart from Charleston (CHS) and arrive at Porto (OPO).

What cabin classes can I book on flights from Charleston to Porto?

Three cabin classes are available on flights from Charleston to Porto: • Economy Class • Premium Economy Class • Business Class

Which airports do connecting flights from Charleston to Porto pass through?

Connecting flights from Charleston to Porto most commonly pass through: • New York John F Kennedy Intl (JFK) - 82% of one-stop connections • Newark (EWR) - 18% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

Can I save money by using flexible dates for flights from Charleston to Porto?

Yes. Being flexible with your travel dates can save you up to 51% on the Charleston to Porto route. Tuesday is the cheapest departure day at $848 round-trip on average, while Thursday is the most expensive at $1,703, a difference of $855. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Porto?

Some of the most popular sights in Porto are Ribeira Square, Mercado do Bolhão and Avenida dos Aliados. These are among the most viewed places in Porto on KAYAK.

How long is a flight from Charleston to Porto?

A nonstop flight from Charleston to Porto takes 0h 00m, covering 3,863 miles.

Do I need a passport to fly from Charleston to Porto?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Charleston to Porto changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $571 to $1,769. That means the highest observed fare was about 3x higher than the lowest one.

How much time can I save by choosing a different layover airport from Charleston to Porto?

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 12h 34m, compared with 12h 42m via New York John F Kennedy Intl (JFK).

What is the time difference between Charleston and Porto?

Porto is 5 hours ahead of Charleston (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Porto Airport (OPO)?

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include: • Klass Wagen • Drive on Holiday • GREEN MOTION • Goldcar Rental SP • SURPRICE CAR RENTAL

How much should I expect to pay for a Charleston to Porto flight?

Round-trip flights from Charleston to Porto range from $799 to $1,202, with an average of $897 over the past 12 months. Anything below $799 counts as a good deal.

What is the cheapest airline to fly from Charleston to Porto?

American Airlines ($571) and Delta ($630) are the cheapest airlines to fly round-trip from Charleston to Porto according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Charleston to Porto?

New York John F Kennedy Intl (JFK) is the most popular layover for the Charleston to Porto route. 82% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via JFK.

What is the cheapest layover airport when flying from Charleston to Porto?

Flights via Newark (EWR) offer the most affordable fares, with an average round-trip price of $911. Based on KAYAK data over the past 3 months.

When flying from Charleston to Porto which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Charleston to Porto layovers at 449 minutes over the past 3 months.

$571 CHEAP FLIGHTS from Charleston to Porto (CHS - OPO)

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Cheapest round-trip

$571

Typical prices: $799-$1,202

American Airlines

Sat 10/27Sat 11/3

CHS - OPO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Charleston and Porto. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

May

Cheapest • 23% price drop

June

Most popular

Good to know

Top layover airports

Newark (EWR)

Cheapest • Avg $911 (round-trip)

New York John F Kennedy Intl (JFK)

Shortest trip • 12h 42m (one-way)

Insights

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We hope you love your trip to Porto!

Flight Deals

Cheap Flights from Charleston to Porto (CHS-OPO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Charleston to Porto

Tue, Oct 27 - Tue, Nov 3

3:45 pm - 11:45 amCHS Charleston-OPO Porto

16h 00m2 stops Chicago O'Hare Intl Madrid Barajas

8:20 am - 10:02 pmOPO Porto-CHS Charleston

18h 42m2 stops Madrid Barajas Miami

$571American Airlines

Fri, Feb 5 - Mon, Feb 15

6:05 am - 7:40 amCHS Charleston-OPO Porto

20h 35m2 stops Charlotte Douglas Madrid Barajas

8:40 pm - 6:30 pmOPO Porto-CHS Charleston

26h 50m2 stops Madrid Barajas Dallas/Fort Worth

$613Multiple Airlines

Fri, Oct 30 - Fri, Nov 6

12:57 pm - 7:15 amCHS Charleston-OPO Porto

14h 18m1 stop New York John F Kennedy Intl

5:00 am - 9:12 pmOPO Porto-CHS Charleston

21h 12m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$630Delta

Wed, Nov 18 - Wed, Nov 25

7:00 am - 11:45 amCHS Charleston-OPO Porto

23h 45m2 stops Newark Frankfurt am Main

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$631Lufthansa

Fri, Oct 30 - Fri, Nov 6

7:10 am - 7:15 amCHS Charleston-OPO Porto

20h 05m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

5:00 am - 9:12 pmOPO Porto-CHS Charleston

21h 12m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$635Delta

Thu, Nov 19 - Wed, Nov 25

7:00 am - 11:45 amCHS Charleston-OPO Porto

23h 45m2 stops Newark Frankfurt am Main

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$660United Airlines

Thu, Nov 19 - Wed, Nov 25

2:52 pm - 11:45 amCHS Charleston-OPO Porto

15h 53m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

12:35 pm - 10:06 amOPO Porto-CHS Charleston

26h 31m2 stops Newark Washington, D.C. Dulles Intl

$665United Airlines

Tue, Oct 27 - Tue, Nov 3

2:28 pm - 9:30 amCHS Charleston-OPO Porto

15h 02m1 stop Newark

6:00 am - 6:06 pmOPO Porto-CHS Charleston

17h 06m2 stops Frankfurt am Main Chicago O'Hare Intl

$706United Airlines

Wed, Nov 18 - Wed, Nov 25

8:12 am - 11:45 amCHS Charleston-OPO Porto

22h 33m2 stops Charlotte Douglas Madrid Barajas

8:20 am - 11:52 pmOPO Porto-CHS Charleston

20h 32m2 stops Madrid Barajas Miami

$714Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

3:35 pm - 9:30 amCHS Charleston-OPO Porto

12h 55m1 stop Newark

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$757Lufthansa

Recent last minute flight deals from Charleston to Porto

Sat, Sep 19 - Sat, Oct 3

4:58 pm - 6:55 amCHS Charleston-OPO Porto

32h 57m2 stops Chicago O'Hare Intl Newark

6:00 am - 7:05 pmOPO Porto-CHS Charleston

18h 05m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,059United Airlines

Sat, Sep 19 - Sat, Oct 3

7:30 pm - 6:55 amCHS Charleston-OPO Porto

30h 25m1 stop Newark

6:00 am - 7:05 pmOPO Porto-CHS Charleston

18h 05m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,061United Airlines

Sat, Sep 19 - Sat, Oct 3

7:30 pm - 6:55 amCHS Charleston-OPO Porto

30h 25m1 stop Newark

12:35 pm - 10:02 amOPO Porto-CHS Charleston

26h 27m2 stops Newark Washington, D.C. Dulles Intl

$1,148United Airlines

Sat, Sep 19 - Sat, Oct 3

2:54 pm - 6:55 amCHS Charleston-OPO Porto

35h 01m2 stops Washington, D.C. Dulles Intl Newark

12:35 pm - 10:02 amOPO Porto-CHS Charleston

26h 27m2 stops Newark Washington, D.C. Dulles Intl

$1,153United Airlines

Sat, Sep 19 - Sat, Oct 3

4:58 pm - 6:55 amCHS Charleston-OPO Porto

32h 57m2 stops Chicago O'Hare Intl Newark

6:00 am - 12:15 amOPO Porto-CHS Charleston

23h 15m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,218United Airlines

Sat, Sep 19 - Sat, Oct 3

7:30 pm - 6:55 amCHS Charleston-OPO Porto

30h 25m1 stop Newark

6:00 am - 12:15 amOPO Porto-CHS Charleston

23h 15m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,220United Airlines

Sat, Sep 19 - Sat, Oct 3

7:30 pm - 6:55 amCHS Charleston-OPO Porto

30h 25m1 stop Newark

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$1,228United Airlines

Sat, Sep 19 - Sat, Oct 3

7:30 pm - 6:55 amCHS Charleston-OPO Porto

30h 25m1 stop Newark

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$1,266United Airlines

Sat, Sep 19 - Sat, Oct 3

7:30 pm - 6:55 amCHS Charleston-OPO Porto

30h 25m1 stop Newark

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$1,311United Airlines

Sat, Sep 19 - Sat, Oct 3

3:20 pm - 6:55 amCHS Charleston-OPO Porto

10h 35m1 stop Newark

12:35 pm - 11:59 pmOPO Porto-CHS Charleston

16h 24m1 stop Newark

$1,365United Airlines

Booking Insights

Price, demand and travel trends for Charleston to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Charleston to Porto with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Charleston to Porto?

Round-trip flights from Charleston to Porto start at $571. Prices are below average for this route right now, with typical round-trip fares ranging from $799 to $1,202. The lowest price found in the past 5 days was $571 on American Airlines.

Find deals

Low season	January
High season	June

Most popular time to fly and prices are also 5% lower on average.

When to book flights from Charleston to Porto

Are your dates flexible? Find out the best times to travel from Charleston to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Charleston to Porto?
Flights from Charleston to Porto usually depart from Charleston (CHS) and arrive at Porto (OPO).
What cabin classes can I book on flights from Charleston to Porto?
Three cabin classes are available on flights from Charleston to Porto:

• Economy Class
• Premium Economy Class
• Business Class
Which airports do connecting flights from Charleston to Porto pass through?
Connecting flights from Charleston to Porto most commonly pass through:

• New York John F Kennedy Intl (JFK) - 82% of one-stop connections
• Newark (EWR) - 18% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Charleston to Porto?
Yes. Being flexible with your travel dates can save you up to 51% on the Charleston to Porto route. Tuesday is the cheapest departure day at $848 round-trip on average, while Thursday is the most expensive at $1,703, a difference of $855. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Porto?
Some of the most popular sights in Porto are Ribeira Square, Mercado do Bolhão and Avenida dos Aliados. These are among the most viewed places in Porto on KAYAK.
How long is a flight from Charleston to Porto?
A nonstop flight from Charleston to Porto takes 0h 00m, covering 3,863 miles.
Do I need a passport to fly from Charleston to Porto?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Charleston to Porto changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $571 to $1,769. That means the highest observed fare was about 3x higher than the lowest one.
How much time can I save by choosing a different layover airport from Charleston to Porto?
Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 12h 34m, compared with 12h 42m via New York John F Kennedy Intl (JFK).
What is the time difference between Charleston and Porto?
Porto is 5 hours ahead of Charleston (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Porto Airport (OPO)?
Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
• Klass Wagen
• Drive on Holiday
• GREEN MOTION
• Goldcar Rental SP
• SURPRICE CAR RENTAL
How much should I expect to pay for a Charleston to Porto flight?
Round-trip flights from Charleston to Porto range from $799 to $1,202, with an average of $897 over the past 12 months. Anything below $799 counts as a good deal.

If your dates can be flexible, aim for a Tuesday departure instead of Thursday. On this route, Tuesday flights average $848 - about $855 less than Thursday (50% savings) based on the last 12 months.
If you can choose when to travel, plan your Charleston to Porto trip for May. Fares historically average $694 round-trip in that month - typically $1,009 less than the most expensive month, which is July (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
- Opo Hotel Porto Aeroporto

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CHS - OPO

$571 Find Cheap Flights from Charleston to Porto - Compare and Save

Everything you should know

Cheap Flights from Charleston to Porto (CHS-OPO)

Recent round-trip flight deals from Charleston to Porto

Recent one-way flight deals from Charleston to Porto

Recent last minute flight deals from Charleston to Porto

Price, demand and travel trends for Charleston to Porto flights

How much is a round-trip flight from Charleston to Porto?

What is the cheapest airline to fly from Charleston to Porto?

What is the most popular layover airport when flying from Charleston to Porto?

What is the cheapest layover airport when flying from Charleston to Porto?

When flying from Charleston to Porto which airport offers the shortest layover?

Key details for Charleston to Porto flights

Low season

High season

When to book flights from Charleston to Porto

Your Charleston to Porto flight questions, answered

Your guide to booking Charleston to Porto flights

More options for your flight from Charleston to Porto

Complete your trip to Porto with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Charleston to Porto

Find direct flights to and from Charleston and Porto

Flights from domestic origins to Porto

Flights to other popular destinations