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Rapid City

$200+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — RAP
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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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 August 2, 2026.

This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:43 am
PHL
-
RAP
1 stop6h 12m
Delta
Mon 11/164:36 pm
RAP
-
PHL
1 stop5h 14m
Delta
Deal found 7/31$339
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:37 am
PHL
-
RAP
1 stop7h 12m
Delta
Mon 11/234:36 pm
RAP
-
PHL
1 stop5h 14m
Delta
Deal found 7/29$359
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 11/16:15 am
PHL
-
RAP
1 stop6h 16m
United Airlines
Sat 11/711:12 am
RAP
-
PHL
2 stops10h 13m
United Airlines
Deal found 7/31$362
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:25 am
PHL
-
RAP
2 stops7h 59m
United Airlines
Wed 9/91:36 pm
RAP
-
PHL
1 stop5h 51m
United Airlines
Deal found 7/30$364
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:06 pm
PHL
-
RAP
1 stop8h 29m
American Airlines
Tue 9/812:39 pm
RAP
-
PHL
1 stop8h 12m
American Airlines
Deal found 7/29$369
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 11/86:15 am
PHL
-
RAP
1 stop6h 16m
United Airlines
Thu 11/1912:39 pm
RAP
-
PHL
2 stops8h 30m
United Airlines
Deal found 7/31$370
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:25 am
PHL
-
RAP
1 stop6h 01m
United Airlines
Tue 8/1812:30 pm
RAP
-
PHL
2 stops10h 29m
United Airlines
Deal found 7/28$379
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:59 pm
PHL
-
RAP
1 stop5h 19m
Delta
Wed 10/74:38 pm
RAP
-
PHL
1 stop5h 12m
Delta
Deal found 7/31$389
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.
Sat 8/154:28 pm
PHL
-
RAP
1 stop7h 07m
American Airlines
Tue 8/1812:20 pm
RAP
-
PHL
1 stop8h 03m
American Airlines
Deal found 7/28$404
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:59 pm
PHL
-
RAP
1 stop5h 19m
Delta
Tue 9/222:30 pm
RAP
-
PHL
1 stop7h 26m
Delta
Deal found 7/31$419

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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Delta)

One-way from

$200
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$499
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. 7% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 2, 2026.
Use the filters below to find and compare flights from Philadelphia to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 11/18

5:37 am-10:49 am

1 stop7h 12m

Rapid City

Mon 11/23

4:36 pm-11:50 pm

1 stop5h 14m

$339

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sun 11/8

6:15 am-10:31 am

1 stop6h 16m

Rapid City

Thu 11/19

12:39 pm-11:09 pm

2 stops8h 30m

$370

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Fri 11/13

3:35 pm-10:30 pm

1 stop8h 55m

Rapid City

Tue 11/17

12:39 pm-11:09 pm

2 stops8h 30m

$434

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 11/18

10:00 am-5:09 pm

1 stop9h 09m

Rapid City

Mon 11/23

8:45 am-11:31 pm

2 stops12h 46m

$434

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 8/26

8:20 am-4:06 pm

2 stops9h 46m

Rapid City

Mon 8/31

12:30 pm-12:59 am

2 stops10h 29m

$439

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 12/5

10:10 am-8:33 pm

2 stops12h 23m

Rapid City

Tue 12/8

5:30 am-5:22 pm

2 stops9h 52m

$439

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 11/11

1:16 pm-8:43 pm

2 stops9h 27m

Rapid City

Mon 11/16

1:30 pm-9:34 pm

1 stop6h 04m

$454
Cheapest one-way

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 8/19

4:45 pm-3:55 pm

2 stops25h 10m

$200

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 9/17

6:10 pm-6:49 pm

2 stops26h 39m

$213

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 9/17

12:40 pm-6:49 pm

3 stops32h 09m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 resultsSorted by cheapest first
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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Rapid City flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

The best time to book flights from Philadelphia to Rapid City is 24 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.

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

Airfare is below average for this route at the moment.

Philadelphia to Rapid City flights typically cost between $384 and $668 in November.
The cheapest round-trip price found within the last 5 days was $339 on Delta (Nov 11-Nov 16).

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 August 2, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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
7.8
Good
8,493 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,493 reviews
Delta
7.8
Good
8,493 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,061 reviews
Delta
7.8
Good
8,493 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,846 reviews
Delta
7.8
Good
8,493 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 6h 16m. 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 $274. Other airlines that can offer you cheap pricing are United Airlines, from $290, and American Airlines, from $363. Delta is priced at 43% 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.

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
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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$274Average$429FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$363Average$550FlexibilityNo cancel feeOn-time71%

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