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$89+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Charleston are usually found in March or February, booked 77 days in advance, depart on a Friday or Monday 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 September 17, 2025.

Round-trip from

$94
(Breeze Airways)

One-way from

$89
(Breeze Airways)

Popular in

December

Cheapest in

March

Average price

$253

Good round-trip deal

$123 or less

Good one-way deal

$64 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 ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Wed 10/17:37 pmPWM - CHS
1 stop27h 22mBreeze Airways
Fri 10/33:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 9/16$192
This Breeze Airways deal was found by Cheapflights users on 9/17. 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 12/196:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Mon 12/223:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 9/17$208
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 11/216:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Thu 11/272:59 pmCHS - PWM
1 stop18h 07mBreeze Airways
Deal found 9/16$231
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:09 amPWM - CHS
1 stop10h 56mJetBlue
Sat 10/1111:10 amCHS - PWM
1 stop11h 54mJetBlue
Deal found 9/16$233
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Mon 11/176:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Thu 11/202:59 pmCHS - PWM
1 stop18h 07mBreeze Airways
Deal found 9/16$239
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/11:02 pmPWM - CHS
1 stop7h 53mAmerican Airlines
Wed 10/1511:36 amCHS - PWM
1 stop8h 38mAmerican Airlines
Deal found 9/17$243
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 10/246:05 pmPWM - CHS
Nonstop2h 38mMultiple Airlines
Sun 10/2610:11 amCHS - PWM
2 stops22h 55mMultiple Airlines
Deal found 9/17$247
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 11/216:05 pmPWM - CHS
Nonstop2h 38mBreeze Airways
Mon 11/243:04 pmCHS - PWM
Nonstop2h 21mBreeze Airways
Deal found 9/16$253
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amPWM - CHS
1 stop8h 03mDelta
Fri 11/286:00 amCHS - PWM
1 stop17h 54mDelta
Deal found 9/16$273

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 September 17, 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 2/6

5:06 pm-7:48 pm

Nonstop2h 42m

Charleston

Mon 2/9

2:02 pm-4:26 pm

Nonstop2h 24m

$94

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 2/23

5:06 pm-7:48 pm

Nonstop2h 42m

Charleston

Fri 2/27

2:02 pm-4:26 pm

Nonstop2h 24m

$232

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 11/24

6:00 am-2:03 pm

1 stop8h 03m

Charleston

Fri 11/28

6:00 am-11:54 pm

1 stop17h 54m

$273

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Thu 11/20

6:35 am-5:05 pm

1 stop10h 30m

Charleston

Fri 11/28

6:00 am-11:54 pm

1 stop17h 54m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 11/23

6:35 am-8:32 pm

1 stop13h 57m

Charleston

Fri 11/28

6:00 am-11:54 pm

1 stop17h 54m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 11/24

6:35 am-5:05 pm

1 stop10h 30m

Charleston

Thu 11/27

8:00 am-12:30 pm

1 stop4h 30m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Thu 11/20

6:00 am-2:03 pm

1 stop8h 03m

Charleston

Mon 11/24

6:00 am-11:54 pm

1 stop17h 54m

$293

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 12/31

5:30 am-10:00 am

1 stop4h 30m

Charleston

Thu 1/1

5:45 pm-10:15 pm

1 stop4h 30m

$305

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 1/2

1:03 pm-3:43 pm

1 stop26h 40m

Charleston

Sun 1/4

11:40 am-10:51 pm

1 stop11h 11m

$313

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 11/23

6:00 am-9:16 pm

1 stop15h 16m

Charleston

Thu 11/27

5:25 am-12:30 pm

1 stop7h 05m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 23 results
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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 September 12, 2025.

Booking 77 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 September 17, 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 September 17, 2025.
See what other customers who have flown with Southwest, Breeze Airways, 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.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Breeze Airways
8.0
Very good
207 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

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

    For as low as $94, 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 United Airlines, with the lowest prices starting at $150 and $188, respectively. These flights start at 64% 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 $199, our data indicates the cheapest price to be $63. The most popular route (Portland - Charleston), is priced around $94.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$90Average$176FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$150Average$322FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$188Average$358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$339FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$442FlexibilityNo cancel feeOn-time63%

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