$359+ Cheap flights from Philadelphia to Rapid City (PHL - RAP)
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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — RAP
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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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.Cheap flight deals from Philadelphia to Rapid City
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Best
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Cheapest flights from Philadelphia to Rapid CityExplore 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 21, 2026.
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 21, 2026.
This Delta deal was found by Cheapflights users on 9/21. 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 11/117:11 pm -
1 stop5h 30m
Mon 11/166:45 am -
1 stop5h 25m
Deal found 9/21![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/18. 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 10/1611:49 am -
1 stop6h 09m
Fri 10/232:37 pm -
1 stop7h 13m
Deal found 9/18![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/111:10 pm -
2 stops10h 17m
Mon 11/161:09 pm -
1 stop9h 13m
Deal found 9/17![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/17. 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 10/36:59 pm -
1 stop5h 19m
Wed 10/72:37 pm -
1 stop7h 13m
Deal found 9/17![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/305:00 am -
1 stop9h 21m
Fri 11/61:09 pm -
1 stop9h 08m
Deal found 9/17![American Airlines logo]()
$444
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.
Wed 11/116:15 am -
1 stop6h 16m
Sat 11/148:45 am -
1 stop8h 46m
Deal found 9/16![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/111:16 pm -
2 stops11h 14m
Mon 11/1610:30 am -
2 stops10h 39m
Deal found 9/17![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/31:24 pm -
2 stops9h 28m
Wed 10/71:37 pm -
1 stop5h 52m
Deal found 9/17![United Airlines logo]()
$463
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am -
1 stop6h 47m
Wed 9/3012:47 pm -
1 stop9h 35m
Deal found 9/16![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/306:15 am -
2 stops12h 54m
Fri 11/610:30 am -
1 stop7h 01m
Deal found 9/21![United Airlines logo]()
$474
Best flights from Philadelphia to Rapid CityDiscover carefully curated flight deals from Philadelphia to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Philadelphia to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
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.
Wed 11/116:15 am -
1 stop6h 16m
Sat 11/148:45 am -
1 stop8h 46m
Deal found 9/16![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/306:15 am -
2 stops12h 54m
Fri 11/610:30 am -
1 stop7h 01m
Deal found 9/21![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/20. 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 11/111:16 pm -
2 stops11h 14m
Mon 11/1610:30 am -
2 stops10h 39m
Deal found 9/20![United Airlines logo]()
$479
Last-minute flights from Philadelphia to Rapid CityDiscover last-minute flight deals from Philadelphia to Rapid City. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Rapid City. Data last updated September 21, 2026 and is based on user searches.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:00 am -
1 stop6h 47m
Wed 9/3012:47 pm -
1 stop9h 35m
Deal found 9/16![American Airlines logo]()
$464
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.
Wed 9/231:30 pm -
2 stops11h 03m
Wed 9/301:37 pm -
1 stop5h 52m
Deal found 9/16![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 9/17. 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 10/36:59 pm -
1 stop5h 19m
Wed 10/72:37 pm -
1 stop7h 13m
Deal found 9/17![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/31:24 pm -
2 stops9h 28m
Wed 10/71:37 pm -
1 stop5h 52m
Deal found 9/17![United Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 9/17. 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.
Tue 10/67:16 pm -
1 stop5h 14m
Tue 10/136:39 am -
1 stop5h 31m
Deal found 9/17![Delta logo]()
$529
This Delta deal was found by Cheapflights users on 9/18. 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 10/1611:49 am -
1 stop6h 09m
Fri 10/232:37 pm -
1 stop7h 13m
Deal found 9/18![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/166:10 am -
1 stop6h 05m
Fri 10/231:37 pm -
2 stops7h 53m
Deal found 9/18![United Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 9/20. 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.
Sun 10/185:45 am -
1 stop7h 00m
Sun 10/252:37 pm -
1 stop7h 13m
Deal found 9/20![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 9/21. 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 10/307:16 pm -
1 stop5h 14m
Fri 11/64:38 pm -
1 stop5h 12m
Deal found 9/21![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/305:00 am -
1 stop9h 21m
Fri 11/61:09 pm -
1 stop9h 08m
Deal found 9/17![American Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/306:15 am -
2 stops12h 54m
Fri 11/610:30 am -
1 stop7h 01m
Deal found 9/21![United Airlines logo]()
$474
One-way flights from Philadelphia to Rapid CitySearch for one-way flight options from Philadelphia to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Philadelphia to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/20. 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 9/267:00 am -
1 stop7h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 9/20. 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 9/266:10 am -
2 stops8h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:00 pm -
3 stops49h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$560
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
One-way from | $339 (American Airlines) |
Popular in | September |
Cheapest in | April |
Average price | $619 |
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 7,457,451 searches. Data last updated September 21, 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
Cheapest round-trip
Quickest round-trip
PhiladelphiaRapid City
PHL Philadelphia - RAP Rapid City
PHLRAP
Philadelphia
Sat 9/26
6:10 am-12:26 pm
2 stops8h 16m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$411
PhiladelphiaRapid City
PHL Philadelphia - RAP Rapid City
PHLRAP
Philadelphia
Wed 11/11
6:15 am-10:31 am
1 stop6h 16m
Rapid City
Sat 11/14
8:45 am-7:31 pm
1 stop8h 46m
$449
PhiladelphiaRapid City
PHL Philadelphia - RAP Rapid City
PHLRAP
Philadelphia
Fri 10/30
6:15 am-5:09 pm
2 stops12h 54m
Rapid City
Fri 11/6
10:30 am-7:31 pm
1 stop7h 01m
$474
PhiladelphiaRapid City
PHL Philadelphia - RAP Rapid City
PHLRAP
Philadelphia
Wed 11/11
1:16 pm-10:30 pm
2 stops11h 14m
Rapid City
Mon 11/16
10:30 am-11:09 pm
2 stops10h 39m
$479
PhiladelphiaRapid City
PHL Philadelphia - RAP Rapid City
PHLRAP
Philadelphia
Sat 9/26
9:00 pm-8:19 pm
3 stops49h 19m
Rapid City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$560
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PHL-RAP
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 $428 and $694 in November.The cheapest round-trip price found within the last 5 days was $359 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 September 21, 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.
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
Traveling to a place near Rapid City?
Book flights to Rapid City if you plan to visit one of these locationsDeadwood
Keystone
Spearfish
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Find flights from Philadelphia to Rapid City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Rapid City flights
Browse other Philadelphia and Rapid City flight options. Last updated on September 21, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Rapid City
Explore flights to Rapid City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$529 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$577 | FlexibilityNo cancel fee | On-time71% |