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$163+ Cheap flights from Rapid City to Philadelphia (RAP - PHL)

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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — PHL
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Delta deal was found by Cheapflights users on 3/8. 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 4/54:01 pm
RAP
-
PHL
1 stop5h 58m
Delta
Thu 4/166:58 pm
PHL
-
RAP
1 stop5h 22m
Delta
Deal found 3/8$309
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/82:47 pm
RAP
-
PHL
2 stops8h 12m
United Airlines
Wed 4/153:40 pm
PHL
-
RAP
1 stop7h 04m
United Airlines
Deal found 3/8$314
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/292:47 pm
RAP
-
PHL
1 stop6h 57m
United Airlines
Wed 5/68:00 am
PHL
-
RAP
1 stop7h 09m
United Airlines
Deal found 3/8$323
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/1111:53 am
RAP
-
PHL
1 stop8h 31m
American Airlines
Sat 4/186:00 am
PHL
-
RAP
1 stop7h 23m
American Airlines
Deal found 3/10$334
This Delta deal was found by Cheapflights users on 3/8. 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 4/54:01 pm
RAP
-
PHL
1 stop5h 58m
Delta
Mon 4/135:32 pm
PHL
-
RAP
2 stops6h 48m
Delta
Deal found 3/8$339
This Delta deal was found by Cheapflights users on 3/8. 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 4/74:01 pm
RAP
-
PHL
1 stop5h 58m
Delta
Tue 4/149:42 am
PHL
-
RAP
2 stops7h 33m
Delta
Deal found 3/8$355
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2111:03 am
RAP
-
PHL
1 stop6h 04m
Delta
Wed 3/256:54 pm
PHL
-
RAP
1 stop5h 31m
Delta
Deal found 3/6$359
This Delta deal was found by Cheapflights users on 3/8. 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.
Mon 4/64:01 pm
RAP
-
PHL
1 stop5h 58m
Delta
Wed 4/1511:38 am
PHL
-
RAP
1 stop5h 37m
Delta
Deal found 3/8$364
This Delta deal was found by Cheapflights users on 3/8. 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 4/266:00 am
RAP
-
PHL
1 stop6h 01m
Delta
Mon 5/46:05 am
PHL
-
RAP
1 stop6h 12m
Delta
Deal found 3/8$369
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/1011:53 am
RAP
-
PHL
1 stop7h 05m
American Airlines
Tue 4/146:00 am
PHL
-
RAP
1 stop7h 23m
American Airlines
Deal found 3/8$389

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$163
(Booking.com)

Popular in

October

Cheapest in

February

Average price

$590
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
One-way flight from Rapid City to Philadelphia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 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

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 4/8

4:01 pm-11:59 pm

1 stop5h 58m

Philadelphia

Sun 4/12

6:55 pm-10:25 pm

1 stop5h 30m

$309
Quickest round-trip

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Mon 4/27

3:55 pm-11:58 pm

1 stop6h 03m

Philadelphia

Fri 5/8

7:01 pm-10:23 pm

1 stop5h 22m

$309

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 4/11

11:53 am-8:58 pm

1 stop7h 05m

Philadelphia

Sat 4/18

6:00 am-11:23 am

1 stop7h 23m

$371

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 4/18

5:27 am-3:47 pm

1 stop8h 20m

Philadelphia

Tue 4/21

3:40 pm-8:44 pm

1 stop7h 04m

$389

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 4/11

9:20 am-5:32 pm

1 stop6h 12m

Philadelphia

Sat 4/18

6:17 am-1:08 pm

2 stops8h 51m

$394

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 4/11

5:27 am-5:32 pm

2 stops10h 05m

Philadelphia

Mon 4/20

6:17 am-10:36 am

1 stop6h 19m

$394

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Thu 4/30

2:35 pm-11:43 pm

1 stop7h 08m

Philadelphia

Mon 5/4

9:55 am-5:00 pm

1 stop9h 05m

$399
Cheapest one-way

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Fri 7/31

5:09 pm-11:03 am

1 stop15h 54m

$163

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sun 6/14

9:54 pm-5:12 pm

2 stops41h 18m

$204
Quickest one-way

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 8/11

4:00 pm-11:40 pm

1 stop5h 40m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 March.
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

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

Currently, July is the cheapest month in which you can book a flight from Rapid City to Philadelphia (average of $261). Flying from Rapid City to Philadelphia in June is currently the most expensive (average of $463). 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 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 March 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
8,276 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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
9,409 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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
7.1
Good
11,413 reviews
Delta
7.9
Good
8,276 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

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 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, Delta, and American Airlines can get you from Rapid City to Philadelphia in just under 6h 02m. Your travel time can differ by up to 1h 03m. The distance between Rapid City and Philadelphia is about 1450 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Delta ($268), United Airlines ($338), and American Airlines ($408) offers the cheapest pricing from Rapid City to Philadelphia. Delta is 47% 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.

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

    Currently, July is the cheapest month in which you can book a flight from Rapid City to Philadelphia (average of $261). Flying from Rapid City to Philadelphia in June is currently the most expensive (average of $463). 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 Philadelphia?

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

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.

Top 3 airlines flying from Rapid City to Philadelphia

Discover the top 3 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$484FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$338Average$600FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$408Average$549FlexibilityNo cancel feeOn-time71%

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