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$329+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — PHL
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap 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 June 10, 2026.

This United Airlines deal was found by Cheapflights users on 6/7. 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 8/41:35 pm
RAP
-
PHL
1 stop5h 44m
United Airlines
Fri 8/146:25 am
PHL
-
RAP
1 stop6h 01m
United Airlines
Deal found 6/7$329
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/31:35 pm
RAP
-
PHL
1 stop5h 44m
United Airlines
Mon 7/65:00 pm
PHL
-
RAP
1 stop8h 16m
United Airlines
Deal found 6/5$374
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
RAP
-
PHL
1 stop6h 47m
United Airlines
Sat 7/46:00 am
PHL
-
RAP
1 stop6h 24m
United Airlines
Deal found 6/9$419
This United Airlines deal was found by Cheapflights users on 6/5. 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 10/2411:17 am
RAP
-
PHL
1 stop6h 16m
United Airlines
Wed 10/2810:00 am
PHL
-
RAP
1 stop9h 03m
United Airlines
Deal found 6/5$429
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/66:31 am
RAP
-
PHL
1 stop7h 52m
American Airlines
Sun 6/78:20 am
PHL
-
RAP
1 stop10h 10m
American Airlines
Deal found 6/6$528

Find 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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(United Airlines)

Popular in

October

Cheapest in

July

Average price

$545
Provider with most accurate pricing for Rapid City-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Philadelphia flights.
Search Deals
From Rapid City to Philadelphia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 10, 2026.
Use the filters below to find and compare flights from Rapid City to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 8/4

1:35 pm-9:19 pm

1 stop5h 44m

Philadelphia

Fri 8/14

6:25 am-10:26 am

1 stop6h 01m

$329

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Fri 7/3

1:35 pm-9:19 pm

1 stop5h 44m

Philadelphia

Mon 7/6

5:00 pm-11:16 pm

1 stop8h 16m

$374

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 6/30

6:00 am-2:47 pm

1 stop6h 47m

Philadelphia

Sat 7/4

6:00 am-10:24 am

1 stop6h 24m

$419

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 10/24

11:17 am-7:33 pm

1 stop6h 16m

Philadelphia

Wed 10/28

10:00 am-5:03 pm

1 stop9h 03m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Sorted by cheapest first

Compare providers for flights from Rapid City to Philadelphia

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 Rapid City to Philadelphia in June.
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 Rapid City-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Philadelphia 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 Rapid City-Philadelphia 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 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

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 June 10, 2026.
Get a feel of what it's like to fly with Delta and United 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
7.9
Good
8,396 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

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
7.9
Good
8,396 reviews
Delta
7.9
Good
8,396 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

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
9,804 reviews
Delta
7.9
Good
8,396 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

7.9

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 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?

    United Airlines can get you from Rapid City to Philadelphia in just under 5h 44m. Your travel time can differ by up to . The distance between Rapid City and Philadelphia is about 1450 mi.

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

    According to our current data, Delta ($268), and United Airlines ($328) offers the cheapest pricing from Rapid City to Philadelphia. Delta is 43% 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.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Plymouth Meeting
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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Top 2 airlines flying from Rapid City to Philadelphia

Discover the top 2 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$349FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$478FlexibilityNo cancel feeOn-time69%

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