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$567+ Cheap flights from Rapid City to Allentown (RAP - ABE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — ABE
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap flight deals from Rapid City to Allentown

Cheapest flights from Rapid City to Allentown
Explore the most affordable flight options available from Rapid City to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 5/612:10 pm
RAP
-
ABE
1 stop19h 48m
United Airlines
Tue 5/125:35 pm
ABE
-
RAP
1 stop19h 01m
United Airlines
Deal found 1/31$567
This United Airlines deal was found by Cheapflights users on 1/31. 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 5/89:30 am
RAP
-
ABE
1 stop22h 28m
United Airlines
Tue 5/125:35 pm
ABE
-
RAP
1 stop19h 01m
United Airlines
Deal found 1/31$622
This United Airlines deal was found by Cheapflights users on 1/30. 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 2/62:40 pm
RAP
-
ABE
2 stops18h 01m
United Airlines
Tue 2/1011:30 am
ABE
-
RAP
2 stops9h 44m
United Airlines
Deal found 1/30$638
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 5/612:10 pm
RAP
-
ABE
1 stop19h 48m
United Airlines
Wed 5/135:35 pm
ABE
-
RAP
1 stop19h 01m
United Airlines
Deal found 1/31$687
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 5/612:10 pm
RAP
-
ABE
1 stop19h 48m
United Airlines
Mon 5/115:35 pm
ABE
-
RAP
1 stop19h 01m
United Airlines
Deal found 1/31$697
This American Airlines deal was found by Cheapflights users on 1/31. 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 5/61:08 pm
RAP
-
ABE
2 stops9h 14m
American Airlines
Tue 5/1212:57 pm
ABE
-
RAP
2 stops11h 01m
American Airlines
Deal found 1/31$800
This American Airlines deal was found by Cheapflights users on 1/31. 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 5/61:08 pm
RAP
-
ABE
2 stops9h 14m
American Airlines
Wed 5/136:04 am
ABE
-
RAP
2 stops12h 19m
American Airlines
Deal found 1/31$809

Find flight deals from Rapid City to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) 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 February 2, 2026.

Round-trip from

$638
(United Airlines)
From Rapid City to Allentown-Bethlehem
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City 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 February 2, 2026.
Use the filters below to find and compare flights from Rapid City to Allentown that are best for you.

Fly from

Rapid City

Fly to

Allentown

Route

Depart

Return

Price

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Wed 5/6

12:10 pm-9:58 am

1 stop19h 48m

Allentown-Bethlehem

Tue 5/12

5:35 pm-10:36 am

1 stop19h 01m

$567

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Fri 5/8

9:30 am-9:58 am

1 stop22h 28m

Allentown-Bethlehem

Tue 5/12

5:35 pm-10:36 am

1 stop19h 01m

$622

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Wed 5/6

12:10 pm-9:58 am

1 stop19h 48m

Allentown-Bethlehem

Wed 5/13

5:35 pm-10:36 am

1 stop19h 01m

$687

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Wed 5/6

12:10 pm-9:58 am

1 stop19h 48m

Allentown-Bethlehem

Mon 5/11

5:35 pm-10:36 am

1 stop19h 01m

$697

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Wed 5/6

1:08 pm-12:22 am

2 stops9h 14m

Allentown-Bethlehem

Tue 5/12

12:57 pm-9:58 pm

2 stops11h 01m

$800

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Wed 5/6

1:08 pm-12:22 am

2 stops9h 14m

Allentown-Bethlehem

Wed 5/13

6:04 am-4:23 pm

2 stops12h 19m

$809

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Thu 5/7

9:30 am-5:00 pm

1 stop5h 30m

Allentown-Bethlehem

Wed 5/13

5:35 pm-9:41 pm

1 stop6h 06m

$1,241

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Thu 5/7

9:30 am-5:00 pm

1 stop5h 30m

Allentown-Bethlehem

Mon 5/11

5:35 pm-9:41 pm

1 stop6h 06m

$1,421

Rapid CityAllentown

RAP - ABE

RAPABE

Rapid City

Thu 5/7

6:40 am-10:18 pm

2 stops13h 38m

Allentown-Bethlehem

Tue 5/12

6:30 am-1:53 pm

2 stops9h 23m

$2,411

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Best time to book a flight from Rapid City to Allentown

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

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

Currently, July is the cheapest month in which you can book a flight from Rapid City to Allentown (average of $261). Flying from Rapid City to Allentown in June is currently the most expensive (average of $463). 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.

Related info for your journey

Find useful and relevant information for your journey from Rapid City 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 Rapid City to Allentown?

    United Airlines can get you from Rapid City to Allentown in just under 19h 48m. Your travel time can differ by up to . Rapid City and Allentown are separated by a distance of 1422 mi.

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

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

  • How can I find direct flights from Rapid City to Allentown?

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

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

    Yes. Cheapflights offers flight deals from Rapid City 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 Rapid City to Allentown?

    Currently, July is the cheapest month in which you can book a flight from Rapid City to Allentown (average of $261). Flying from Rapid City to Allentown in June is currently the most expensive (average of $463). 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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