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$78+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
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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 July 11, 2025.

Round-trip from

$90
(Breeze Airways)

One-way from

$78
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$264

Good round-trip deal

$143 or less

Good one-way deal

$91 or less
From Portland to Charleston
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One-way flight from Portland to Charleston
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Highest demand for flights based on searches. 15% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Portland to Charleston.
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Price to beat on a one-way flight from Portland to Charleston.
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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 July 11, 2025.

This Breeze Airways deal was found by Cheapflights users on 7/9. 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.
Fri 9/196:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Mon 9/223:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 7/9$90
This American Airlines deal was found by Cheapflights users on 7/11. 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 8/196:00 amPWM - CHS
1 stop7h 14mAmerican Airlines
Sat 8/236:38 amCHS - PWM
1 stop4h 03mAmerican Airlines
Deal found 7/11$203
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Fri 8/226:14 amPWM - CHS
1 stop7h 53mUnited Airlines
Mon 8/256:05 amCHS - PWM
1 stop8h 21mUnited Airlines
Deal found 7/10$212
This Southwest deal was found by Cheapflights users on 7/10. 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.
Fri 9/192:00 pmPWM - CHS
2 stops8h 40mSouthwest
Mon 9/226:40 pmCHS - PWM
1 stop4h 40mSouthwest
Deal found 7/10$243
This Delta deal was found by Cheapflights users on 7/10. 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 10/16:00 amPWM - CHS
1 stop7h 45mDelta
Sun 10/56:59 pmCHS - PWM
1 stop5h 12mDelta
Deal found 7/10$244

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 July 11, 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 9/19

6:05 pm-8:43 pm

Nonstop2h 38m

Charleston

Mon 9/22

3:04 pm-5:25 pm

Nonstop2h 21m

$90

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Tue 8/19

6:00 am-1:14 pm

1 stop7h 14m

Charleston

Sat 8/23

6:38 am-10:41 am

1 stop4h 03m

$203

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 8/22

6:14 am-2:07 pm

1 stop7h 53m

Charleston

Mon 8/25

6:05 am-2:26 pm

1 stop8h 21m

$212

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 9/19

2:00 pm-10:40 pm

2 stops8h 40m

Charleston

Mon 9/22

6:40 pm-11:20 pm

1 stop4h 40m

$243

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 10/1

6:00 am-1:45 pm

1 stop7h 45m

Charleston

Sun 10/5

6:59 pm-12:11 am

1 stop5h 12m

$244

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 7/20

8:56 pm-6:12 pm

1 stop21h 16m

$78

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 11/19

3:30 pm-7:55 pm

1 stop4h 25m

$80

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 7/26

8:07 pm-10:41 pm

Nonstop2h 34m

$99

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Thu 8/7

4:05 pm-9:25 pm

1 stop5h 20m

$102

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Thu 7/24

5:35 am-10:14 am

1 stop4h 39m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 13 results
1
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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 July 11, 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 July 11, 2025.
See what other customers who have flown with Southwest, Delta, and Breeze Airways 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.
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,951 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Breeze Airways
8.0
Very good
187 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Avelo Airlines
7.4
Good
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,846 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 American Airlines and United Airlines, with the lowest prices starting at $203 and $212, respectively. These flights start at 65% 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 Avelo Airlines, which is currently one of the cheapest options available, starting at $78. Southwest flights start at $80 while deals on Breeze Airways start at $99 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 $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
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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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 July 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$90Average$187FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$150Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$176Average$358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$358FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$436FlexibilityNo cancel feeOn-time63%

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