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$128+ Cheap flights from Charleston to Allentown (CHS - ABE)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ABE
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Charleston to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Allentown (ABE). 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 21, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$128
(Kiwi.com)

Popular in

April

Cheapest in

July

Average price

$380
From Charleston to Allentown-Bethlehem
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One-way flight from Charleston to Allentown-Bethlehem
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Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Charleston to Allentown

Cheapest flights from Charleston to Allentown
Explore the most affordable flight options available from Charleston to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This American Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/510:32 amCHS - ABE
1 stop3h 33mAmerican Airlines
Tue 9/92:37 pmABE - CHS
1 stop4h 05mAmerican Airlines
Deal found 8/21$259
This American Airlines deal was found by Cheapflights users on 8/19. 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 8/2612:29 pmCHS - ABE
1 stop5h 31mAmerican Airlines
Tue 9/22:56 pmABE - CHS
1 stop3h 54mAmerican Airlines
Deal found 8/19$289
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/42:59 pmCHS - ABE
1 stop6h 51mAmerican Airlines
Mon 9/87:00 pmABE - CHS
1 stop4h 01mAmerican Airlines
Deal found 8/20$299
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/2311:37 amCHS - ABE
1 stop5h 16mUnited Airlines
Tue 8/261:00 pmABE - CHS
1 stop6h 08mUnited Airlines
Deal found 8/19$324
This Delta deal was found by Cheapflights users on 8/18. 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 8/275:35 pmCHS - ABE
1 stop5h 04mDelta
Sun 8/316:00 amABE - CHS
1 stop5h 50mDelta
Deal found 8/18$335
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 8/235:35 pmCHS - ABE
1 stop4h 52mDelta
Tue 8/266:14 pmABE - CHS
1 stop5h 37mDelta
Deal found 8/21$393
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/125:36 pmCHS - ABE
1 stop4h 14mAmerican Airlines
Sun 9/147:59 pmABE - CHS
1 stop4h 06mAmerican Airlines
Deal found 8/19$400
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/226:05 amCHS - ABE
1 stop5h 53mUnited Airlines
Sat 8/231:00 pmABE - CHS
1 stop6h 08mUnited Airlines
Deal found 8/19$409
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/3011:37 amCHS - ABE
1 stop5h 16mUnited Airlines
Sun 8/311:00 pmABE - CHS
1 stop6h 08mUnited Airlines
Deal found 8/18$465
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 8/236:06 pmCHS - ABE
1 stop4h 31mAmerican Airlines
Mon 8/252:56 pmABE - CHS
1 stop3h 54mAmerican Airlines
Deal found 8/19$472
This United Airlines deal was found by Cheapflights users on 8/19. 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 8/226:05 amCHS - ABE
1 stop5h 53mUnited Airlines
Sun 8/241:00 pmABE - CHS
1 stop6h 08mUnited Airlines
Deal found 8/19$480
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 8/235:35 pmCHS - ABE
1 stop4h 52mDelta
Mon 8/256:14 pmABE - CHS
1 stop5h 37mDelta
Deal found 8/21$507

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Allentown 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 21, 2025.
Use the filters below to find and compare flights from Charleston to Allentown that are best for you.

Fly from

Charleston

Fly to

Allentown

Route

Depart

Return

Price

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Fri 9/5

10:32 am-2:05 pm

1 stop3h 33m

Allentown-Bethlehem

Tue 9/9

2:37 pm-6:42 pm

1 stop4h 05m

$259

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Tue 8/26

12:29 pm-6:00 pm

1 stop5h 31m

Allentown-Bethlehem

Tue 9/2

2:56 pm-6:50 pm

1 stop3h 54m

$289

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Thu 9/4

2:59 pm-9:50 pm

1 stop6h 51m

Allentown-Bethlehem

Mon 9/8

7:00 pm-11:01 pm

1 stop4h 01m

$299

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Thu 10/9

6:36 pm-10:40 pm

1 stop4h 04m

Allentown-Bethlehem

Mon 10/13

5:53 pm-12:05 am

1 stop6h 12m

$299

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Wed 8/27

5:35 pm-10:39 pm

1 stop5h 04m

Allentown-Bethlehem

Sun 8/31

6:00 am-11:50 am

1 stop5h 50m

$335

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Fri 9/12

5:36 pm-9:50 pm

1 stop4h 14m

Allentown-Bethlehem

Sun 9/14

7:59 pm-12:05 am

1 stop4h 06m

$400

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Sat 8/30

11:37 am-4:53 pm

1 stop5h 16m

Allentown-Bethlehem

Sun 8/31

1:00 pm-7:08 pm

1 stop6h 08m

$465

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Thu 9/4

11:37 am-4:53 pm

1 stop5h 16m

Allentown-Bethlehem

Mon 9/8

5:28 pm-7:03 pm

2 stops25h 35m

$553

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Fri 9/5

6:05 am-11:58 am

1 stop5h 53m

Allentown-Bethlehem

Tue 9/9

5:28 pm-2:33 pm

2 stops21h 05m

$553

CharlestonAllentown

CHS - ABE

CHSABE

Charleston

Tue 8/26

11:37 am-4:53 pm

1 stop5h 16m

Allentown-Bethlehem

Tue 9/2

1:00 pm-2:33 pm

2 stops25h 33m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 17 results
1
2

Best time to book a flight from Charleston to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from Charleston 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 Charleston to Allentown

What is the cheapest month to book a flight from Charleston to Allentown?

Currently, February is the cheapest month in which you can book a flight from Charleston to Allentown (average of $289). Flying from Charleston to Allentown in December is currently the most expensive (average of $395). 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 CHS to ABE?

Find hourly flight availability from Charleston to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Charleston to Allentown, 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 44% versus a flight at noon.

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated August 21, 2025.
Read through reviews of airlines operating flights from Charleston to Allentown, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Charleston to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Charleston to Allentown?

    There are many flights that can get you from Charleston to Allentown in 3h 33m. Fly via American Airlines or Delta to get the fastest option. There are 593 mi between Charleston and Allentown. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Charleston to Allentown round-trip?

    United Airlines, at $144, was found to be the cheapest airline from Charleston to Allentown. An alternate airline flying to your destination would be American Airlines. United Airlines is 63% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Charleston to Allentown that include hotel bookings?

    Yes. In addition to deals on Charleston to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Allentown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Allentown.

  • Can I find deals for business class flights from Charleston to Allentown?

    Yes. Cheapflights offers flight deals from Charleston to Allentown 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 Charleston to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Charleston to Allentown (average of $289). Flying from Charleston to Allentown in December is currently the most expensive (average of $395). 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

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Top 2 airlines flying from Charleston to Allentown

Discover the top 2 airlines that operate flights from Charleston to Allentown. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$144Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$194Average$325FlexibilityNo cancel feeOn-time71%

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