In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

If weather is an important factor for your trip to Allentown, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from SD to ABE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Allentown as you normally would.

What airport do you fly into for flights to Allentown from South Dakota?

Most people fly into Allentown-Bethlehem (ABE) if they book a flight to Allentown from South Dakota. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.

Can I find deals for flights from South Dakota to Allentown that include hotel bookings?

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

How can I find direct flights from South Dakota to Allentown?

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

Can I find deals for business class flights from South Dakota to Allentown?

Yes. Cheapflights offers flight deals from South Dakota 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.

$291+ Flights from South Dakota to Allentown

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Cheap flight deals from South Dakota to Allentown

Round-trip from	$554 (United Airlines)
One-way from	$291 (American Airlines)

From South Dakota to Allentown-Bethlehem

Search Deals

One-way flight from South Dakota to Allentown-Bethlehem

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Find flight deals from South Dakota to Allentown

Cheapest flights from South Dakota to Allentown
Explore the most affordable flight options available from South Dakota to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Sat 8/235:59 pmRAP - ABE

2 stops15h 59mUnited Airlines

Tue 8/261:00 pmABE - RAP

2 stops10h 59mUnited Airlines

Deal found 7/30

$554

Fri 10/105:42 amRAP - ABE

2 stops9h 41mAmerican Airlines

Mon 10/131:56 pmABE - RAP

3 stops9h 54mAmerican Airlines

Deal found 7/31

$1,019

Best flights from South Dakota to Allentown
Discover carefully curated flight deals from South Dakota to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2025.

Sat 8/235:59 pmRAP - ABE

2 stops15h 59mUnited Airlines

Tue 8/261:00 pmABE - RAP

2 stops10h 59mUnited Airlines

Deal found 7/30

$554

Fri 10/105:42 amRAP - ABE

2 stops9h 41mAmerican Airlines

Mon 10/131:56 pmABE - RAP

3 stops9h 54mAmerican Airlines

Deal found 7/31

$1,019

Last-minute flights from South Dakota to Allentown
Discover last-minute flight deals from South Dakota to Allentown. Data last updated August 1, 2025 and is based on user searches.

Sat 8/235:59 pmRAP - ABE

2 stops15h 59mUnited Airlines

Tue 8/261:00 pmABE - RAP

2 stops10h 59mUnited Airlines

Deal found 7/30

$554

One-way flights from South Dakota to Allentown
Search for one-way flight options from South Dakota to Allentown. Find affordable one-way fares based on user searches. Data last updated August 1, 2025.

Tue 8/195:39 amRAP - ABE

2 stops10h 21mAmerican Airlines

Deal found 7/31

$291

Tue 8/196:30 amRAP - ABE

1 stop27h 28mUnited Airlines

Deal found 7/31

$459

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Sat 8/23

5:59 pm-11:58 am

2 stops15h 59m

Allentown-Bethlehem

Tue 8/26

1:00 pm-9:59 pm

2 stops10h 59m

$554

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Fri 10/10

5:42 am-5:23 pm

2 stops9h 41m

Allentown-Bethlehem

Mon 10/13

1:56 pm-9:50 pm

3 stops9h 54m

$1,019

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Tue 8/19

5:39 am-6:00 pm

2 stops10h 21m

$291

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Tue 8/19

6:30 am-11:58 am

1 stop27h 28m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from South Dakota to Allentown

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

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

Currently, February is the cheapest month in which you can book a flight from South Dakota to Allentown (average of $289). Flying from South Dakota 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.

Reviews of airlines servicing Allentown

Peruse reviews from past customers who have flown with United Airlines and American Airlines from South Dakota to Allentown to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,900 reviews

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

8,900 reviews

United Airlines

7.4

Good

8,900 reviews

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

8,900 reviews

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

What airport do you fly into for flights to Allentown from South Dakota?
Most people fly into Allentown-Bethlehem (ABE) if they book a flight to Allentown from South Dakota. Allentown-Bethlehem is conveniently located just 3.9 mi from Allentown’s city center.
Can I find deals for flights from South Dakota to Allentown that include hotel bookings?
Yes. In addition to deals on South Dakota to Allentown flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Allentown?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Allentown.
Can I find deals for business class flights from South Dakota to Allentown?
Yes. Cheapflights offers flight deals from South Dakota 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 South Dakota to Allentown?
Currently, February is the cheapest month in which you can book a flight from South Dakota to Allentown (average of $289). Flying from South Dakota 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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$291+ Cheap flights from South Dakota to Allentown (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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Allentown with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Allentown

Keep the following information in mind while searching for South Dakota to Allentown flight deals. Data was last updated August 1, 2025.

Round-trip from

One-way from

Find flight deals from South Dakota to Allentown

Cheapest flights from South Dakota to AllentownExplore the most affordable flight options available from South Dakota to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Explore the most affordable flight options available from South Dakota to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Allentown that are best for you.

Best time to book a flight from South Dakota to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Allentown

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

Reviews of airlines servicing Allentown

Peruse reviews from past customers who have flown with United Airlines and American Airlines from South Dakota to Allentown to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to Allentown from South Dakota?

Can I find deals for flights from South Dakota to Allentown that include hotel bookings?

How can I find direct flights from South Dakota to Allentown?

Can I find deals for business class flights from South Dakota to Allentown?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Allentown

Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2025.

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Cheapest flights from South Dakota to Allentown
Explore the most affordable flight options available from South Dakota to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.