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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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 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 June 12, 2025.

Round-trip from

$94
(CheapOair)

One-way from

$45
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$235

Good round-trip deal

$141 or less

Good one-way deal

$180 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 June 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/11. 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 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 6/11$94
This Delta deal was found by Cheapflights users on 6/10. 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 8/206:00 amPWM - CHS
1 stop5h 50mDelta
Wed 8/277:00 amCHS - PWM
1 stop6h 56mDelta
Deal found 6/10$221
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:09 amPWM - CHS
2 stops6h 59mAmerican Airlines
Wed 8/277:40 pmCHS - PWM
1 stop4h 07mAmerican Airlines
Deal found 6/12$226
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/153:30 pmPWM - CHS
1 stop5h 45mSouthwest
Mon 8/186:40 pmCHS - PWM
1 stop4h 40mSouthwest
Deal found 6/12$249
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2912:46 pmPWM - CHS
2 stops25h 45mMultiple Airlines
Sat 7/55:04 pmCHS - PWM
Nonstop2h 23mMultiple Airlines
Deal found 6/9$350
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/55:35 amPWM - CHS
1 stop4h 39mUnited Airlines
Sat 7/127:38 pmCHS - PWM
1 stop4h 21mUnited Airlines
Deal found 6/12$402

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 June 12, 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 9/5

6:05 pm-8:43 pm

Nonstop2h 38m

Charleston

Mon 9/8

3:04 pm-5:25 pm

Nonstop2h 21m

$102

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 8/20

6:00 am-11:50 am

1 stop5h 50m

Charleston

Wed 8/27

7:00 am-1:56 pm

1 stop6h 56m

$221

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 8/20

7:09 am-2:08 pm

2 stops6h 59m

Charleston

Wed 8/27

7:40 pm-11:47 pm

1 stop4h 07m

$226

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 9/5

3:30 pm-9:15 pm

1 stop5h 45m

Charleston

Mon 9/8

6:40 pm-11:10 pm

1 stop4h 30m

$269

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sun 6/29

12:46 pm-2:31 pm

2 stops25h 45m

Charleston

Sat 7/5

5:04 pm-7:27 pm

Nonstop2h 23m

$350

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 7/5

5:35 am-10:14 am

1 stop4h 39m

Charleston

Sat 7/12

7:38 pm-11:59 pm

1 stop4h 21m

$402

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 7/4

6:16 pm-8:51 pm

Nonstop2h 35m

$45

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 9/10

1:57 pm-9:05 pm

1 stop7h 08m

$111

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 7/19

5:30 am-2:15 pm

2 stops8h 45m

$199

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Fri 7/11

11:16 am-8:53 pm

3 stops33h 37m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 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 June 9, 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 June 12, 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.

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 June 12, 2025.
Read reviews from past customers who have flown Breeze Airways, Southwest and Delta 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.
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Overall

8.1

Food

6.7

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Overall

8.1

Food

6.7

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Overall

8.1

Food

6.7

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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
7,946 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Overall

8.1

Food

6.7

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Overall

8.1

Food

6.7

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
178 reviews

Crew

8.8

Overall

8.1

Food

6.7

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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 $94. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $221 and $226, respectively. These flights start at 64% 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 $45. American Airlines flights start at $111 while deals on Southwest start at $199 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 $193, our data indicates the cheapest price to be $51. 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 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

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Alternative routes for Portland to Charleston

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$90Average$190FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$150Average$326FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$183Average$355FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$361FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$436FlexibilityNo cancel feeOn-time63%

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