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Rapid City

$216+ Cheap flights from Philadelphia to Rapid City (PHL - RAP)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — RAP
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Rapid City are usually found in October or September, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Philadelphia to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Rapid City (RAP). 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 16, 2025.

Round-trip from

$269
(American Airlines)

One-way from

$216
(Delta)

Popular in

November

Cheapest in

October

Average price

$500
From Philadelphia to Rapid City
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One-way flight from Philadelphia to Rapid City
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Highest demand for flights based on searches. 7% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Philadelphia to Rapid City

Cheapest flights from Philadelphia to Rapid City
Explore the most affordable flight options available from Philadelphia to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 10/255:00 amPHL - RAP
1 stop8h 36mAmerican Airlines
Tue 10/284:59 pmRAP - PHL
1 stop6h 10mAmerican Airlines
Deal found 9/14$269
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/78:16 amPHL - RAP
2 stops9h 47mAmerican Airlines
Fri 10/174:28 pmRAP - PHL
1 stop6h 20mAmerican Airlines
Deal found 9/15$274
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/26:03 amPHL - RAP
1 stop7h 19mAmerican Airlines
Sat 10/45:00 pmRAP - PHL
1 stop6h 10mAmerican Airlines
Deal found 9/14$294
This Delta deal was found by Cheapflights users on 9/14. 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 12/1111:46 amPHL - RAP
1 stop5h 59mDelta
Sun 12/142:51 pmRAP - PHL
2 stops7h 59mDelta
Deal found 9/14$299
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/286:03 amPHL - RAP
1 stop7h 19mAmerican Airlines
Sat 10/45:00 pmRAP - PHL
1 stop6h 10mAmerican Airlines
Deal found 9/14$319
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/156:30 amPHL - RAP
1 stop5h 43mUnited Airlines
Wed 10/2212:56 pmRAP - PHL
2 stops9h 49mUnited Airlines
Deal found 9/15$326
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/410:34 amPHL - RAP
2 stops10h 09mUnited Airlines
Sat 11/85:15 amRAP - PHL
2 stops10h 14mUnited Airlines
Deal found 9/15$329
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/2710:45 amPHL - RAP
1 stop6h 17mAmerican Airlines
Sat 10/45:00 pmRAP - PHL
1 stop6h 10mAmerican Airlines
Deal found 9/14$349
This Delta deal was found by Cheapflights users on 9/13. 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 10/46:51 pmPHL - RAP
1 stop5h 39mDelta
Tue 10/72:26 pmRAP - PHL
1 stop7h 24mDelta
Deal found 9/13$350
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/186:30 amPHL - RAP
1 stop5h 43mUnited Airlines
Wed 10/2211:15 amRAP - PHL
2 stops11h 30mUnited Airlines
Deal found 9/16$354
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/36:30 amPHL - RAP
1 stop5h 43mUnited Airlines
Thu 10/91:44 pmRAP - PHL
1 stop5h 44mUnited Airlines
Deal found 9/15$355

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Rapid City 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 16, 2025.
Use the filters below to find and compare flights from Philadelphia to Rapid City that are best for you.

Fly from

Philadelphia

Fly to

Rapid City

Route

Depart

Return

Price

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 10/25

5:00 am-11:36 am

1 stop8h 36m

Rapid City

Tue 10/28

4:59 pm-1:09 am

1 stop6h 10m

$269

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 11/4

7:00 pm-10:36 pm

1 stop5h 36m

Rapid City

Sat 11/8

10:33 am-6:09 pm

1 stop5h 36m

$269

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 10/25

9:45 am-4:03 pm

1 stop8h 18m

Rapid City

Sat 11/1

4:58 pm-1:09 am

1 stop6h 11m

$269

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 3/10

11:45 am-3:14 pm

1 stop5h 29m

Rapid City

Sat 3/14

4:00 pm-11:46 pm

1 stop5h 46m

$294

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 10/2

6:03 am-11:22 am

1 stop7h 19m

Rapid City

Sat 10/4

5:00 pm-1:10 am

1 stop6h 10m

$294

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sun 9/28

6:38 am-12:02 pm

1 stop7h 24m

Rapid City

Sat 10/4

5:00 pm-1:10 am

1 stop6h 10m

$319

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 10/15

6:30 am-10:13 am

1 stop5h 43m

Rapid City

Wed 10/22

3:20 pm-11:09 pm

1 stop5h 49m

$324

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sun 3/8

5:55 am-3:14 pm

2 stops11h 19m

Rapid City

Sat 3/14

4:00 pm-11:46 pm

1 stop5h 46m

$324

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 10/7

7:00 pm-10:36 pm

1 stop5h 36m

$216

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 10/7

10:05 am-6:40 pm

2 stops10h 35m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 11 results
1
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Best time to book a flight from Philadelphia to Rapid City

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

How far ahead should I book a flight from Philadelphia to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Rapid City. Price data was last updated on September 12, 2025.

The best time to book flights from Philadelphia to Rapid City is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Rapid City (average of $348). Flying from Philadelphia to Rapid City in June is currently the most expensive (average of $502). 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 PHL to RAP?

Find hourly flight availability from Philadelphia to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Rapid City at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Philadelphia to Rapid City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

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
7,957 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

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 Philadelphia to Rapid City. 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 Philadelphia to Rapid City?

    Departing from Philadelphia to Rapid City will take you 5h 36m. The distance from Philadelphia to Rapid City is about 1450 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Philadelphia to Rapid City round-trip from $297. Other airlines that can offer you cheap pricing are Delta, from $323, and American Airlines, from $384. United Airlines is priced at 50% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Rapid City (average of $348). Flying from Philadelphia to Rapid City in June is currently the most expensive (average of $502). 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 Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish

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Top 3 airlines flying from Philadelphia to Rapid City

Discover the top 3 airlines that operate flights from Philadelphia to Rapid City. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$297Average$602FlexibilityNo cancel feeOn-time69%
DeltaCheapest$323Average$566FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$384Average$607FlexibilityNo cancel feeOn-time71%

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