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$45+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Charleston are usually found in March or February, booked 23 days in advance, depart on a Friday or Wednesday 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 August 14, 2025.

Round-trip from

$94
(Breeze Airways)

One-way from

$45
(Breeze Airways)

Popular in

December

Cheapest in

March

Average price

$234

Good round-trip deal

$128 or less

Good one-way deal

$112 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. 16% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Breeze Airways deal was found by Cheapflights users on 8/14. 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.
Wed 8/278:07 pmPWM - CHS
Nonstop2h 34mBreeze Airways
Sat 8/305:04 pmCHS - PWM
Nonstop2h 23mBreeze Airways
Deal found 8/14$94
This Breeze Airways deal was found by Cheapflights users on 8/12. 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.
Wed 8/208:07 pmPWM - CHS
Nonstop2h 34mBreeze Airways
Sat 8/235:04 pmCHS - PWM
Nonstop2h 23mBreeze Airways
Deal found 8/12$108
This Breeze Airways deal was found by Cheapflights users on 8/14. 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.
Wed 8/208:07 pmPWM - CHS
Nonstop2h 34mBreeze Airways
Wed 8/275:04 pmCHS - PWM
Nonstop2h 23mBreeze Airways
Deal found 8/14$118
This Breeze Airways deal was found by Cheapflights users on 8/13. 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 9/126:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Mon 9/153:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 8/13$128
This Breeze Airways deal was found by Cheapflights users on 8/12. 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 11/36:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Mon 11/173:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 8/12$134
This Breeze Airways deal was found by Cheapflights users on 8/14. 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 9/56:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Mon 9/83:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 8/14$138
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:07 pmPWM - CHS
Nonstop2h 34mBreeze Airways
Sun 8/317:00 amCHS - PWM
1 stop7h 32mBreeze Airways
Deal found 8/14$140
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:16 pmPWM - CHS
Nonstop2h 35mBreeze Airways
Sun 8/317:00 amCHS - PWM
1 stop7h 32mBreeze Airways
Deal found 8/14$149
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair 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 8/14$164

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 August 14, 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

Wed 8/27

8:07 pm-10:41 pm

Nonstop2h 34m

Charleston

Sat 8/30

5:04 pm-7:27 pm

Nonstop2h 23m

$94

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 8/20

8:07 pm-10:41 pm

Nonstop2h 34m

Charleston

Sat 8/23

5:04 pm-7:27 pm

Nonstop2h 23m

$108

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 8/20

8:07 pm-10:41 pm

Nonstop2h 34m

Charleston

Wed 8/27

5:04 pm-7:27 pm

Nonstop2h 23m

$118

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 9/12

6:05 pm-8:43 pm

Nonstop2h 38m

Charleston

Mon 9/15

3:04 pm-5:25 pm

Nonstop2h 21m

$128

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 11/3

6:05 pm-8:43 pm

Nonstop2h 38m

Charleston

Mon 11/17

3:04 pm-5:25 pm

Nonstop2h 21m

$134

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 9/5

6:05 pm-8:43 pm

Nonstop2h 38m

Charleston

Mon 9/8

3:04 pm-5:25 pm

Nonstop2h 21m

$138

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

$138

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 10/31

6:05 pm-8:43 pm

Nonstop2h 38m

$45

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 8/27

8:07 pm-10:41 pm

Nonstop2h 34m

$54

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 9/12

6:05 pm-8:43 pm

Nonstop2h 38m

$64

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 17 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 August 8, 2025.

Booking 23 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 August 14, 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 morning, which can drop the price by up to 28% versus a flight at noon.

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 August 14, 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
4,244 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
8.0
Very good
7,980 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Breeze Airways
8.0
Very good
192 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,916 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,244 reviews

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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, 3 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 Delta and American Airlines, with the lowest prices starting at $162 and $176, respectively. These flights start at 65% lower than the current average price 3 months from now.

  • 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 $241, our data indicates the cheapest price to be $75. The most popular route (Portland - Charleston), is priced around $104.

  • 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 Charleston?

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

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Alternative routes for Portland to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$90Average$180FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$162Average$322FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$176Average$339FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$358FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$431FlexibilityNo cancel feeOn-time63%

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