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$63+ Cheap flights from Portland, ME to Charleston (PWM - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Portland to Charleston are usually found in March or February, booked 24 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Portland to Charleston

Cheapest flights from Portland to Charleston
Explore the most affordable flight options available from Portland to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:58 amPWM - CHS
2 stops22h 49mBreeze Airways
Fri 12/263:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 12/15$389
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:49 amPWM - CHS
3 stops45h 48mMultiple Airlines
Fri 12/263:04 pmCHS - PWM
Nonstop2h 21mMultiple Airlines
Deal found 12/15$459
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:58 amPWM - CHS
2 stops22h 49mBreeze Airways
Tue 12/302:59 pmCHS - PWM
1 stop19h 37mBreeze Airways
Deal found 12/16$470
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amPWM - CHS
1 stop15h 32mAmerican Airlines
Tue 12/3011:05 amCHS - PWM
1 stop12h 40mAmerican Airlines
Deal found 12/16$599
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:30 pmPWM - CHS
2 stops18h 39mUnited Airlines
Tue 12/306:05 amCHS - PWM
2 stops8h 35mUnited Airlines
Deal found 12/16$658
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amPWM - CHS
2 stops8h 15mAmerican Airlines
Fri 12/264:13 pmCHS - PWM
2 stops6h 42mAmerican Airlines
Deal found 12/15$723

Find flight deals from Portland to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$97
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

April

Cheapest in

March

Average price

$291

Good round-trip deal

$150 or less

Good one-way deal

$59 or less
Provider with most accurate pricing for Portland-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Charleston flights.
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From Portland to Charleston
Search Deals
One-way flight from Portland to Charleston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Portland to Charleston.
Search Deals
Price to beat on a one-way flight from Portland to Charleston.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Charleston 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Portland to Charleston that are best for you.

Fly from

Portland

Fly to

Charleston

Route

Depart

Return

Price

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 1/16

5:06 pm-7:48 pm

Nonstop2h 42m

Charleston

Mon 1/19

2:02 pm-4:26 pm

Nonstop2h 24m

$133

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 3/30

5:06 pm-7:48 pm

Nonstop2h 42m

Charleston

Mon 4/6

2:02 pm-4:26 pm

Nonstop2h 24m

$167

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 1/26

9:47 am-8:38 am

1 stop22h 51m

Charleston

Fri 1/30

2:02 pm-4:26 pm

Nonstop2h 24m

$198

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 3/30

2:20 pm-8:03 pm

1 stop5h 43m

Charleston

Tue 4/7

5:27 pm-11:47 pm

1 stop6h 20m

$232

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 2/27

5:31 am-1:55 pm

2 stops8h 24m

Charleston

Wed 3/4

5:13 pm-11:51 pm

1 stop6h 38m

$243

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 1/26

5:20 am-4:56 pm

2 stops11h 36m

Charleston

Fri 1/30

6:10 am-12:06 pm

2 stops5h 56m

$287

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 3/29

2:30 pm-5:06 pm

1 stop26h 36m

Charleston

Thu 4/2

6:00 am-12:10 am

1 stop18h 10m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 3/29

2:30 pm-5:06 pm

1 stop26h 36m

Charleston

Fri 4/3

6:00 am-12:10 am

1 stop18h 10m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 3/29

2:30 pm-5:06 pm

1 stop26h 36m

Charleston

Tue 4/7

6:00 am-12:10 am

1 stop18h 10m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 1/16

5:20 am-4:56 pm

2 stops11h 36m

Charleston

Mon 1/19

7:51 pm-11:43 pm

1 stop3h 52m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 results
1
2

Compare providers for flights from Portland to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Charleston in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Charleston flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Portland, Maine-Charleston flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Portland, Maine-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Charleston flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Charleston

How far ahead should I book a flight from Portland, Maine to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Charleston. Price data was last updated on December 12, 2025.

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Charleston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland, Maine to Charleston?

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Charleston (average of $43). Flying from Portland, Maine to Charleston in December is currently the most expensive (average of $73). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PWM to CHS?

Find hourly flight availability from Portland to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

When flying from Portland, Maine to Charleston, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 35% versus a flight in the morning.

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated December 18, 2025.
See what other customers who have flown with Breeze Airways, Southwest, and Delta from Portland to Charleston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.2
Very good
248 reviews

Boarding

8.4

Overall

8.2

Comfort

8.2

Crew

8.8

Entertainment

6.7

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Breeze Airways
8.2
Very good
248 reviews
Breeze Airways
8.2
Very good
248 reviews

Boarding

8.4

Overall

8.2

Comfort

8.2

Crew

8.8

Entertainment

6.7

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Southwest
7.9
Good
4,249 reviews
Breeze Airways
8.2
Very good
248 reviews

Boarding

8.4

Overall

8.2

Comfort

8.2

Crew

8.8

Entertainment

6.7

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
Delta
7.9
Good
8,006 reviews
Breeze Airways
8.2
Very good
248 reviews

Boarding

8.4

Overall

8.2

Comfort

8.2

Crew

8.8

Entertainment

6.7

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.
American Airlines
7.2
Good
11,053 reviews
Breeze Airways
8.2
Very good
248 reviews

Boarding

8.4

Overall

8.2

Comfort

8.2

Crew

8.8

Entertainment

6.7

Food

6.7

Reviews

1 / 16
10.0
Excellent

Anonymous,Dec 2025

RSW - ISP

There was no food offered so I had to just put okay. Other than that all was great.

Related info for your journey

Find useful and relevant information for your journey from Portland to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Portland, Maine to Charleston flight route?

    Within the past month, 6 users have taken a look at flights from Portland to Charleston.

  • How long is the flight from Portland, Maine to Charleston?

    For as low as $133, Breeze Airways can have you in Charleston from Portland, Maine in 2h 42m. Airlines will cover a distance of 909 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland, Maine to Charleston round-trip?

    Flying on Breeze Airways is currently your cheapest option to Charleston, with prices starting at $90. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $147 and $236, respectively. These flights start at 63% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland, Maine to Charleston one-way?

    To fly one-way, consider booking your trip with Breeze Airways, which is currently one of the cheapest options available, starting at $46. Southwest flights start at $97 while deals on American Airlines start at $135 one-way.

  • What are the cheapest flights from Portland, Maine to Charleston?

    Looking for the cheapest flight from Portland, Maine to Charleston? While on average our users pay $333, our data indicates the cheapest price to be $56. The most popular route (Portland - Charleston), is priced around $97.

  • Can I find deals for flights from Portland to Charleston that include hotel bookings?

    Yes. In addition to deals on Portland to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Charleston.

  • Can I find deals for business class flights from Portland to Charleston?

    Yes. Cheapflights offers flight deals from Portland to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Charleston (average of $43). Flying from Portland, Maine to Charleston in December is currently the most expensive (average of $73). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach

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Top 4 airlines flying from Portland to Charleston

Discover the top 4 airlines that operate flights from Portland to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$90Average$173FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$148Average$331FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$236Average$429FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$338FlexibilityNo cancel feeOn-time71%

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