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$294+ Cheap flights from Rapid City to Philadelphia (RAP - PHL)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — PHL
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
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 September 10, 2025.

Round-trip from

$294
(Delta)

Popular in

January

Cheapest in

May

Average price

$543
From Rapid City to Philadelphia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 10, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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 12/102:51 pmRAP - PHL
1 stop7h 05mDelta
Sat 12/136:15 amPHL - RAP
1 stop6h 07mDelta
Deal found 9/9$294
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/235:00 pmRAP - PHL
1 stop6h 25mAmerican Airlines
Sat 9/279:14 amPHL - RAP
1 stop7h 48mAmerican Airlines
Deal found 9/8$319
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/24:24 pmRAP - PHL
1 stop5h 31mDelta
Sun 10/56:00 amPHL - RAP
1 stop6h 12mDelta
Deal found 9/8$320
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/275:00 pmRAP - PHL
1 stop6h 10mAmerican Airlines
Tue 9/306:00 amPHL - RAP
1 stop6h 35mAmerican Airlines
Deal found 9/9$394
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/2311:18 amRAP - PHL
2 stops11h 03mUnited Airlines
Sat 9/2712:50 pmPHL - RAP
2 stops7h 50mUnited Airlines
Deal found 9/8$397
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/24:24 pmRAP - PHL
1 stop5h 31mDelta
Mon 10/67:00 pmPHL - RAP
1 stop5h 36mDelta
Deal found 9/9$400

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 September 10, 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

4:25 pm-11:56 pm

1 stop5h 31m

Philadelphia

Sat 12/13

6:15 am-10:22 am

1 stop6h 07m

$294

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Thu 10/2

4:24 pm-11:55 pm

1 stop5h 31m

Philadelphia

Sun 10/5

6:00 am-10:12 am

1 stop6h 12m

$294

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 9/23

5:00 pm-1:25 am

1 stop6h 25m

Philadelphia

Sat 9/27

9:14 am-3:02 pm

1 stop7h 48m

$319

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 9/27

5:00 pm-1:10 am

1 stop6h 10m

Philadelphia

Tue 9/30

6:00 am-10:35 am

1 stop6h 35m

$394

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sun 12/21

8:45 am-5:32 am

1 stop18h 47m

$297

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sun 12/21

10:20 pm-12:32 am

3 stops24h 12m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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.

How much does it cost to fly round-trip from Rapid City to Philadelphia?

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 September 10, 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
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
8,937 reviews
Delta
8.0
Very good
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,963 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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.

  • How long is the flight from Rapid City to Philadelphia?

    Delta and American Airlines can get you from Rapid City to Philadelphia in just under 5h 31m. Your travel time can differ by up to 54m. The distance between Rapid City and Philadelphia is about 1450 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Rapid City to Philadelphia round-trip?

    According to our current data, Delta ($293), United Airlines ($338), and American Airlines ($469) offers the cheapest pricing from Rapid City to Philadelphia. Delta is 52% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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 September 10, 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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