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$206+ Cheap flights from Rapid City to Philadelphia (RAP - PHL)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — PHL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Rapid City to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Philadelphia (PHL). 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 July 30, 2025.

Round-trip from

$269
(Delta)

One-way from

$206
(Delta)

Popular in

January

Cheapest in

May

Average price

$549
From Rapid City to Philadelphia
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One-way flight from Rapid City to Philadelphia
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Highest demand for flights based on searches. 14% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Rapid City to Philadelphia

Cheapest flights from Rapid City to Philadelphia
Explore the most affordable flight options available from Rapid City to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 12/104:35 pmRAP - PHL
1 stop5h 08mDelta
Sat 12/136:15 amPHL - RAP
1 stop5h 50mDelta
Deal found 7/28$269
This United Airlines deal was found by Cheapflights users on 7/29. 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 12/102:55 pmRAP - PHL
1 stop6h 27mUnited Airlines
Sat 12/138:00 amPHL - RAP
1 stop7h 11mUnited Airlines
Deal found 7/29$349
This American Airlines deal was found by Cheapflights users on 7/28. 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 12/105:46 amRAP - PHL
2 stops11h 34mAmerican Airlines
Sat 12/136:00 amPHL - RAP
2 stops12h 05mAmerican Airlines
Deal found 7/28$359
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:00 pmRAP - PHL
3 stops23h 20mMultiple Airlines
Mon 8/187:00 amPHL - RAP
2 stops11h 09mMultiple Airlines
Deal found 7/30$399

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Philadelphia 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 July 30, 2025.
Use the filters below to find and compare flights from Rapid City to Philadelphia that are best for you.

Fly from

Rapid City

Fly to

Philadelphia

Route

Depart

Return

Price

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 12/10

4:35 pm-11:43 pm

1 stop5h 08m

Philadelphia

Sat 12/13

6:15 am-10:05 am

1 stop5h 50m

$269

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 12/10

2:55 pm-11:22 pm

1 stop6h 27m

Philadelphia

Sat 12/13

8:00 am-1:11 pm

1 stop7h 11m

$349

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 12/10

5:46 am-7:20 pm

2 stops11h 34m

Philadelphia

Sat 12/13

6:00 am-4:05 pm

2 stops12h 05m

$359

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Thu 8/14

10:00 pm-11:20 pm

3 stops23h 20m

Philadelphia

Mon 8/18

7:00 am-4:09 pm

2 stops11h 09m

$399

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Fri 8/22

4:25 pm-11:51 pm

1 stop5h 26m

$206

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sun 8/24

8:30 pm-11:59 pm

1 stop25h 29m

$226

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 8/19

6:04 pm-11:44 am

1 stop15h 40m

$234

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 8/19

12:43 pm-12:20 am

2 stops9h 37m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Rapid City to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia 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 Philadelphia

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

Currently, August is the cheapest month in which you can book a flight from Rapid City to Philadelphia (average of $236). Flying from Rapid City to Philadelphia in March is currently the most expensive (average of $295). 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 Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Rapid City to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Philadelphia. 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 Rapid City to Philadelphia round-trip?

    According to our current data, Delta ($269), United Airlines ($349), and American Airlines ($359) offers the cheapest pricing from Rapid City to Philadelphia. Delta is 56% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Rapid City to Philadelphia one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $206. American Airlines flights start at $234 while deals on United Airlines start at $241 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Rapid City to Philadelphia (average of $236). Flying from Rapid City to Philadelphia in March is currently the most expensive (average of $295). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Cherry Hill
Ocean City
Chester
Millville
Reading
Ephrata
Camden
Dewey Beach
Dover
Elkton
Essington
Willow Grove
Newark
Exton
Glen Mills
Springfield

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Rapid City to Philadelphia

Discover the top 3 airlines that operate flights from Rapid City to Philadelphia. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$293Average$608FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$338Average$600FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$469Average$608FlexibilityNo cancel feeOn-time71%

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