HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$59+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
jul. 7 — jul. 141
lun. 7/7
lun. 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Charleston are usually found in March or February, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 julio 2, 2025.

Round-trip from

$98
(Breeze Airways)

One-way from

$69
(Breeze Airways)

Popular in

December

Cheapest in

March

Average price

$264

Good round-trip deal

$150 or less

Good one-way deal

$91 or less
From Portland to Charleston
Search Deals
One-way flight from Portland to Charleston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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

Find 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 julio 2, 2025.

This Breeze Airways deal was found by Cheapflights users on 6/30. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/196:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
lun. 9/223:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 6/30$98
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/206:31 amPWM - CHS
1 stop5h 39mDelta
mié. 8/275:35 pmCHS - PWM
1 stop6h 28mDelta
Deal found 6/30$237
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/295:30 amPWM - CHS
1 stop5h 40mSouthwest
mar. 8/56:00 pmCHS - PWM
1 stop4h 25mSouthwest
Deal found 6/29$239
This American Airlines deal was found by Cheapflights users on 6/30. 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.
mié. 8/204:10 pmPWM - CHS
1 stop5h 15mAmerican Airlines
mié. 8/2712:29 pmCHS - PWM
2 stops8h 07mAmerican Airlines
Deal found 6/30$242

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 julio 2, 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

vie. 9/12

6:05 pm-8:43 pm

Nonstop2h 38m

Charleston

lun. 9/15

3:04 pm-5:25 pm

Nonstop2h 21m

$98

PortlandCharleston

PWM - CHS

PWMCHS

Portland

mié. 8/20

6:00 am-1:50 pm

1 stop7h 50m

Charleston

mié. 8/27

7:00 am-1:56 pm

1 stop6h 56m

$237

PortlandCharleston

PWM - CHS

PWMCHS

Portland

sáb. 8/2

5:55 am-10:18 am

1 stop4h 23m

Charleston

mar. 8/5

6:21 pm-11:19 pm

1 stop4h 58m

$239

PortlandCharleston

PWM - CHS

PWMCHS

Portland

dom. 11/9

5:30 am-10:00 am

1 stop4h 30m

Charleston

mié. 11/12

7:00 am-12:10 pm

1 stop5h 10m

$277

PortlandCharleston

PWM - CHS

PWMCHS

Portland

vie. 12/5

11:17 am-6:11 pm

1 stop6h 54m

Charleston

lun. 12/8

6:40 pm-11:14 pm

1 stop4h 34m

$337

PortlandCharleston

PWM - CHS

PWMCHS

Portland

lun. 11/3

6:05 pm-8:43 pm

Nonstop2h 38m

$59

PortlandCharleston

PWM - CHS

PWMCHS

Portland

dom. 8/3

8:56 pm-6:12 pm

1 stop21h 16m

$91

PortlandCharleston

PWM - CHS

PWMCHS

Portland

lun. 8/25

6:33 pm-11:55 pm

1 stop5h 22m

$119

PortlandCharleston

PWM - CHS

PWMCHS

Portland

mar. 8/26

2:13 pm-9:00 pm

2 stops6h 47m

$124

PortlandCharleston

PWM - CHS

PWMCHS

Portland

lun. 9/1

5:50 am-10:15 am

1 stop4h 25m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 results
1
2

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 June 27, 2025.

Booking 73 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 $217). Flying from Portland, Maine to Charleston in March is currently the most expensive (average of $335). 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 julio 2, 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 in the afternoon, which can drop the price by up to 21% 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 julio 2, 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
8.1
Very good
182 reviews

Crew

8.8

Overall

8.1

Boarding

8.4

Comfort

8.2

Food

6.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
182 reviews
Breeze Airways
8.1
Very good
182 reviews

Crew

8.8

Overall

8.1

Boarding

8.4

Comfort

8.2

Food

6.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,272 reviews
Breeze Airways
8.1
Very good
182 reviews

Crew

8.8

Overall

8.1

Boarding

8.4

Comfort

8.2

Food

6.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,975 reviews
Breeze Airways
8.1
Very good
182 reviews

Crew

8.8

Overall

8.1

Boarding

8.4

Comfort

8.2

Food

6.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Avelo Airlines
7.4
Good
Breeze Airways
8.1
Very good
182 reviews

Crew

8.8

Overall

8.1

Boarding

8.4

Comfort

8.2

Food

6.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,861 reviews
Breeze Airways
8.1
Very good
182 reviews

Crew

8.8

Overall

8.1

Boarding

8.4

Comfort

8.2

Food

6.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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, 2 users have taken a look at flights from Portland to Charleston.

  • 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 $98. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $237 and $239, respectively. These flights start at 62% 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 $69. Avelo Airlines flights start at $91 while deals on American Airlines start at $124 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 $135, our data indicates the cheapest price to be $59. The most popular route (Portland - Charleston), is priced around $101.

  • 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 $217). Flying from Portland, Maine to Charleston in March is currently the most expensive (average of $335). 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 Portland?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Charlotte flights
Boston to Charleston flights
Boston to Savannah flights
Boston to Myrtle Beach flights
Portland to Charlotte flights
Boston to Greenville flights
Boston to Hilton Head Island flights
Boston to Columbia flights
Portland to Savannah flights
Portland to Myrtle Beach flights
Bangor to Charlotte flights
Bangor to Savannah flights
Portland to Greenville flights
Bangor to Myrtle Beach flights
Boston to Augusta flights
Bangor to Greenville flights
Bangor to Charleston flights
Portland to Hilton Head Island flights
Portland to Columbia flights
Boston to Florence flights
Augusta to Charleston flights
Rockland to Charleston flights
Rockland to Charlotte flights
Portland to Florence flights
Portland to Augusta flights
Augusta to Charlotte flights

Top 5 airlines flying from Portland to Charleston

Discover the top 5 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 julio 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$90Average$188FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$150Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$176Average$359FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$358FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$436FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.