HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$71+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 February or August, booked 76 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(Breeze Airways)

One-way from

$71
(Priceline)

Popular in

December

Cheapest in

February

Average price

$228

Good round-trip deal

$90 or less

Good one-way deal

$81 or less
Provider with most accurate pricing for Portland-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Charleston flights.
Search Deals
From Portland to Charleston
Search Deals
One-way flight from Portland to Charleston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($38 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 March 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 March 25, 2025.

This Breeze Airways deal was found by Cheapflights users on 3/24. 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.
Mon 3/316:18 pmPWM - CHS
Nonstop2h 37mBreeze Airways
Wed 4/25:08 pmCHS - PWM
Nonstop2h 24mBreeze Airways
Deal found 3/24$90
This JetBlue deal was found by Cheapflights users on 3/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:35 amPWM - CHS
1 stop5h 10mJetBlue
Sat 4/2612:30 pmCHS - PWM
1 stop4h 10mJetBlue
Deal found 3/23$167
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/292:33 pmPWM - CHS
1 stop7h 04mAmerican Airlines
Tue 5/66:25 amCHS - PWM
1 stop6h 57mAmerican Airlines
Deal found 3/24$199
This Southwest deal was found by Cheapflights users on 3/22. 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.
Tue 4/2912:30 pmPWM - CHS
2 stops9h 15mSouthwest
Tue 5/68:55 amCHS - PWM
1 stop6h 25mSouthwest
Deal found 3/22$204
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/296:15 amPWM - CHS
2 stops8h 31mUnited Airlines
Tue 5/66:00 amCHS - PWM
2 stops7h 56mUnited Airlines
Deal found 3/22$209
This Delta deal was found by Cheapflights users on 3/24. 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.
Wed 4/231:52 pmPWM - CHS
1 stop4h 21mDelta
Wed 4/306:00 amCHS - PWM
1 stop4h 59mDelta
Deal found 3/24$217

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 March 25, 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

Mon 3/31

6:18 pm-8:55 pm

Nonstop2h 37m

Charleston

Wed 4/2

5:08 pm-7:32 pm

Nonstop2h 24m

$90

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 4/19

6:35 am-11:45 am

1 stop5h 10m

Charleston

Sat 4/26

12:30 pm-4:40 pm

1 stop4h 10m

$167

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Tue 4/29

2:33 pm-9:37 pm

1 stop7h 04m

Charleston

Tue 5/6

6:25 am-1:22 pm

1 stop6h 57m

$199

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Tue 4/29

12:30 pm-9:45 pm

2 stops9h 15m

Charleston

Tue 5/6

8:55 am-3:20 pm

1 stop6h 25m

$204

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Tue 4/29

6:15 am-2:46 pm

2 stops8h 31m

Charleston

Tue 5/6

6:00 am-1:56 pm

2 stops7h 56m

$209

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 4/23

1:52 pm-6:13 pm

1 stop4h 21m

Charleston

Wed 4/30

6:00 am-10:59 am

1 stop4h 59m

$217

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 4/28

6:35 am-11:45 am

1 stop5h 10m

$94

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 4/14

5:18 pm-9:37 pm

1 stop4h 19m

$100

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 4/19

8:12 pm-10:49 pm

Nonstop2h 37m

$159

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 4/28

12:21 pm-5:06 pm

3 stops28h 45m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 11 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Charleston flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

Booking 76 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 March 25, 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 23% versus a flight in the morning.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 March 25, 2025.
Read reviews from past customers who have flown Southwest, Delta and Breeze Airways from Portland to Charleston. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $90. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $199 and $209, respectively. These flights start at 66% 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 $71. American Airlines flights start at $100 while deals on United Airlines start at $355 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 $116, our data indicates the cheapest price to be $49. The most popular route (Portland - Charleston), is priced around $90.

  • 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
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Walterboro
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
Boston to Hilton Head Island flights
Portland to Charlotte flights
Boston to Greenville flights
Portland to Myrtle Beach flights
Boston to Columbia flights
Portland to Savannah flights
Boston to Augusta flights
Portland to Columbia flights
Bangor to Charlotte flights
Portland to Greenville flights
Bangor to Savannah flights
Bangor to Myrtle Beach flights
Bangor to Charleston flights
Portland to Hilton Head Island flights
Boston to Florence flights
Bangor to Greenville flights
Portland to Augusta flights
Portland to Florence flights
Augusta to Charlotte flights
Augusta to Charleston flights
Rockland to Charleston flights
Rockland 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$95Average$201FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$185Average$356FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$324FlexibilityNo cancel feeOn-time69%
DeltaCheapest$188Average$319FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$236Average$402FlexibilityNo 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.