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$42+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — CHS
Feb 23 — Mar 21
Sun 2/23
Sun 3/2
1 adult, Economy
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The best prices from Portland to Charleston are usually found in August or September, booked 52 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 February 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(Breeze Airways)

One-way from

$42
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$227

Good round-trip deal

$152 or less

Good one-way deal

$47 or less
Provider with most accurate pricing for Portland-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Charleston flights.
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From Portland to Charleston
Search Deals
One-way flight from Portland to Charleston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 18, 2025.

This Mytrip deal was found by Cheapflights users on 2/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/88:07 pmPWM - CHS
Nonstop2h 37mBreeze Airways
Wed 3/125:03 pmCHS - PWM
Nonstop2h 24mBreeze Airways
Deal found 2/17$87
This Mytrip deal was found by Cheapflights users on 2/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/18:07 pmPWM - CHS
Nonstop2h 37mMultiple Airlines
Tue 3/47:15 amCHS - PWM
2 stops28h 05mMultiple Airlines
Deal found 2/17$193
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:20 pmPWM - CHS
2 stops6h 47mAmerican Airlines
Tue 3/255:19 pmCHS - PWM
1 stop6h 28mAmerican Airlines
Deal found 2/16$222
This Delta deal was found by Cheapflights users on 2/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/103:00 pmPWM - CHS
1 stop6h 52mDelta
Mon 3/175:03 pmCHS - PWM
1 stop7h 12mDelta
Deal found 2/17$237
This United deal was found by Cheapflights users on 2/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/103:55 pmPWM - CHS
2 stops8h 14mUnited Airlines
Fri 3/146:00 amCHS - PWM
1 stop4h 37mUnited Airlines
Deal found 2/17$312
This Southwest deal was found by Cheapflights users on 2/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/61:00 pmPWM - CHS
1 stop4h 10mSouthwest
Mon 3/108:05 pmCHS - PWM
1 stop4h 00mSouthwest
Deal found 2/17$317

Find flights from Portland to Charleston within your budget

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 February 18, 2025.

Fly from

Portland

Fly to

Charleston

Route

Depart

Return

Price

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 3/8

8:07 pm-10:44 pm

Nonstop2h 37m

Charleston

Wed 3/12

5:03 pm-7:27 pm

Nonstop2h 24m

$87

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Sat 3/1

8:07 pm-10:44 pm

Nonstop2h 37m

Charleston

Tue 3/4

7:15 am-11:20 am

2 stops28h 05m

$193

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 3/17

5:30 pm-9:55 pm

1 stop4h 25m

Charleston

Mon 3/24

8:05 pm-12:05 am

1 stop4h 00m

$217

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Tue 3/18

5:20 pm-12:07 am

2 stops6h 47m

Charleston

Tue 3/25

5:19 pm-11:47 pm

1 stop6h 28m

$222

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Tue 3/11

6:15 am-1:16 pm

1 stop7h 01m

Charleston

Thu 3/13

7:00 am-12:15 am

1 stop17h 15m

$240

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 3/10

3:55 pm-12:09 am

2 stops8h 14m

Charleston

Fri 3/14

6:00 am-10:37 am

1 stop4h 37m

$312

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 4/14

6:18 pm-8:55 pm

Nonstop2h 37m

$42

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 4/9

6:00 am-12:21 pm

1 stop6h 21m

$109

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Mon 4/14

5:50 pm-10:08 am

2 stops16h 18m

$111

PortlandCharleston

PWM - CHS

PWMCHS

Portland

Wed 4/9

5:24 am-12:15 pm

1 stop6h 51m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 12 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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.

Travel insights for flights from Portland to Charleston

Get recent, data-driven insights about flights from Portland to Charleston including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 52 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 February 18, 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 at noon.

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 February 18, 2025.
Read reviews from past customers who have flown Southwest, Breeze Airways 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.
Southwest
8.1
Very good
4,423 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,423 reviews
Southwest
8.1
Very good
4,423 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Breeze Airways
8.1
Very good
150 reviews
Southwest
8.1
Very good
4,423 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,246 reviews
Southwest
8.1
Very good
4,423 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,779 reviews
Southwest
8.1
Very good
4,423 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,423 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • 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 Delta, with the lowest prices starting at $237 and $240, respectively. These flights start at 67% 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 $42. American Airlines flights start at $134 while deals on Delta start at $149 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 $148, our data indicates the cheapest price to be $46. 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
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Summerville
Walterboro
Edisto Beach

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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 February 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$136Average$218FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$169Average$326FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$188Average$324FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$188Average$364FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$216Average$386FlexibilityNo cancel feeOn-time63%
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