HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rapid City

$256+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — RAP
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Rapid City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Philadelphia to Rapid City are usually found in November or October, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 December 26, 2025.

This Delta deal was found by Cheapflights users on 12/25. 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.
Fri 12/266:05 amPHL - RAP
1 stop7h 07mDelta
Fri 1/24:14 pmRAP - PHL
1 stop5h 41mDelta
Deal found 12/25$568
This United Airlines deal was found by Cheapflights users on 12/25. 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 12/265:50 pmPHL - RAP
3 stops20h 56mUnited Airlines
Fri 1/25:15 amRAP - PHL
2 stops10h 13mUnited Airlines
Deal found 12/25$1,080

Find 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 December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Delta)

One-way from

$256

Popular in

June

Cheapest in

November

Average price

$512
Provider with most accurate pricing for Philadelphia-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Rapid City flights.
Search Deals
From Philadelphia to Rapid City
Search Deals
One-way flight from Philadelphia to Rapid City
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 26, 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

Fri 1/23

11:27 am-3:25 pm

1 stop5h 58m

Rapid City

Sat 1/24

4:10 pm-11:25 pm

1 stop5h 15m

$289

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Fri 1/23

3:43 pm-8:32 pm

1 stop6h 49m

Rapid City

Sat 1/24

12:35 pm-11:30 pm

1 stop8h 55m

$289

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 2/3

11:27 am-3:25 pm

1 stop5h 58m

Rapid City

Tue 2/10

4:10 pm-11:56 pm

1 stop5h 46m

$289

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 4/16

6:00 am-10:07 am

1 stop6h 07m

Rapid City

Tue 4/21

4:00 pm-11:58 pm

1 stop5h 58m

$314

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 1/8

6:15 am-10:13 am

1 stop5h 58m

Rapid City

Mon 1/12

4:10 pm-11:56 pm

1 stop5h 46m

$339

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 1/21

3:43 pm-8:32 pm

1 stop6h 49m

Rapid City

Sat 1/24

12:35 pm-11:30 pm

1 stop8h 55m

$369

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 1/13

3:43 pm-8:32 pm

1 stop6h 49m

$256

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Tue 2/24

3:37 pm-10:16 pm

1 stop8h 39m

$256

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 4/16

6:00 am-10:07 am

1 stop6h 07m

$266

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 4/16

5:00 am-11:14 am

1 stop8h 14m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 15 results
1
2

Compare providers for flights from Philadelphia to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Rapid City in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Rapid City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Rapid City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 19, 2025.

The best time to book flights from Philadelphia to Rapid City is 25 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, October is the cheapest month in which you can book a flight from Philadelphia to Rapid City (average of $175). Flying from Philadelphia to Rapid City in May is currently the most expensive (average of $400). 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 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 December 26, 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
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,115 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,062 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 58m. 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 $268. Other airlines that can offer you cheap pricing are United Airlines, from $290, and American Airlines, from $384. Delta is priced at 51% 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, October is the cheapest month in which you can book a flight from Philadelphia to Rapid City (average of $175). Flying from Philadelphia to Rapid City in May is currently the most expensive (average of $400). 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
Keystone
Deadwood
Sturgis
Spearfish

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.

Alternative routes for Philadelphia to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Rapid City flights
LaGuardia to Rapid City flights
Dulles Intl to Rapid City flights
Philadelphia to Sioux Falls flights
John F Kennedy Intl to Sioux Falls flights
Newark to Rapid City flights
Newark to Sioux Falls flights
Pittsburgh to Rapid City flights
Harrisburg to Sioux Falls flights
Dulles Intl to Sioux Falls flights
Reagan-National to Rapid City flights
Reagan-National to Sioux Falls flights
Pittsburgh to Sioux Falls flights
LaGuardia to Sioux Falls flights
Harrisburg to Rapid City flights
Scranton to Sioux Falls flights
Allentown to Rapid City flights
Scranton to Rapid City flights
Pittsburgh to Aberdeen flights
Dulles Intl to Pierre flights
Dulles Intl to Aberdeen flights
Newark to Aberdeen flights
Erie to Rapid City flights
Elmira to Sioux Falls flights
Elmira to Rapid City flights
Reagan-National to Pierre flights
Reagan-National to Aberdeen flights
State College to Rapid City flights

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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$514FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$560FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$384Average$590FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.