How long is the flight from Rapid City to Philadelphia?

Delta can get you from Rapid City to Philadelphia in just under 5h 18m. 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), United Airlines ($338), and American Airlines ($408) offers the cheapest pricing from Rapid City to Philadelphia. Delta is 52% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the most popular airlines that fly from Rapid City to Philadelphia?

Delta, American Airlines and United Airlines are the most popular airlines when flying from Rapid City to Philadelphia.

What is the cheapest time of day to fly from RAP to PHL?

When flying from Rapid City to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Rapid City-Philadelphia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-Philadelphia flight deals on Cheapflights vs. eDreams >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 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 Rapid City-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$216+ Flights from Rapid City to Philadelphia

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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 December 12, 2025.

Thu 12/1812:18 pmRAP - PHL

1 stop8h 54mUnited Airlines

Mon 1/56:35 amPHL - RAP

1 stop5h 55mUnited Airlines

Deal found 12/10

$349

Best flights from Rapid City to Philadelphia
Discover carefully curated flight deals from Rapid City to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Mon 3/24:26 pmRAP - PHL

1 stop5h 18mDelta

Sat 3/146:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$289

Wed 3/44:26 pmRAP - PHL

1 stop5h 18mDelta

Tue 3/106:54 pmPHL - RAP

1 stop5h 32mDelta

Deal found 12/9

$289

Tue 3/310:54 amRAP - PHL

1 stop5h 03mDelta

Thu 3/126:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$289

Wed 3/410:54 amRAP - PHL

1 stop5h 02mDelta

Sun 3/86:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$289

Mon 3/24:26 pmRAP - PHL

1 stop5h 18mDelta

Thu 3/126:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$289

Mon 3/24:26 pmRAP - PHL

1 stop5h 18mDelta

Mon 3/96:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$289

Wed 3/46:00 amRAP - PHL

2 stops11h 25mDelta

Mon 3/96:54 pmPHL - RAP

1 stop5h 32mDelta

Deal found 12/9

$294

Tue 3/36:00 amRAP - PHL

2 stops11h 25mDelta

Tue 3/106:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$294

Tue 3/36:00 amRAP - PHL

2 stops11h 25mDelta

Sun 3/86:00 amPHL - RAP

1 stop6h 12mDelta

Deal found 12/9

$294

Sat 3/710:54 amRAP - PHL

1 stop7h 48mDelta

Wed 3/116:54 pmPHL - RAP

1 stop5h 32mDelta

Deal found 12/9

$314

Sat 3/710:54 amRAP - PHL

1 stop7h 48mDelta

Tue 3/106:54 pmPHL - RAP

1 stop5h 32mDelta

Deal found 12/9

$314

Last-minute flights from Rapid City to Philadelphia
Discover last-minute flight deals from Rapid City to Philadelphia. Data last updated December 12, 2025 and is based on user searches.

Thu 12/1812:18 pmRAP - PHL

1 stop8h 54mUnited Airlines

Mon 1/56:35 amPHL - RAP

1 stop5h 55mUnited Airlines

Deal found 12/10

$349

Sat 1/38:45 amRAP - PHL

1 stop18h 47mUnited Airlines

Mon 1/56:35 amPHL - RAP

1 stop5h 55mUnited Airlines

Deal found 12/10

$662

Fri 1/912:35 pmRAP - PHL

1 stop8h 55mUnited Airlines

Mon 1/123:43 pmPHL - RAP

1 stop8h 46mUnited Airlines

Deal found 12/9

$269

Wed 1/145:10 amRAP - PHL

2 stops10h 23mUnited Airlines

Sat 1/176:30 amPHL - RAP

2 stops10h 52mUnited Airlines

Deal found 12/9

$359

One-way flights from Rapid City to Philadelphia
Search for one-way flight options from Rapid City to Philadelphia. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 1/610:54 amRAP - PHL

1 stop5h 03mDelta

Deal found 12/11

$216

Tue 1/67:00 amRAP - PHL

2 stops12h 36mUnited Airlines

Deal found 12/11

$221

Tue 12/2311:05 amRAP - PHL

2 stops34h 38mMultiple Airlines

Deal found 12/11

$256

Wed 12/1710:37 amRAP - PHL

2 stops53h 26mMultiple Airlines

Deal found 12/11

$279

Wed 12/172:51 pmRAP - PHL

1 stop7h 06mDelta

Deal found 12/11

$296

Tue 1/134:40 pmRAP - PHL

3 stops16h 55mUnited Airlines

Deal found 12/11

$575

Find flight deals from Rapid City to Philadelphia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$269 (United Airlines)
One-way from	$216 (Delta)
Popular in	January
Cheapest in	May
Average price	$585

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. 21% potential increase in price ($156 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Mon 3/2

4:26 pm-11:44 pm

1 stop5h 18m

Philadelphia

Sat 3/14

6:00 am-10:12 am

1 stop6h 12m

$289

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 3/4

4:26 pm-11:44 pm

1 stop5h 18m

Philadelphia

Tue 3/10

6:54 pm-10:26 pm

1 stop5h 32m

$289

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 3/3

10:54 am-5:57 pm

1 stop5h 03m

Philadelphia

Thu 3/12

6:00 am-10:12 am

1 stop6h 12m

$289

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 3/4

10:54 am-5:56 pm

1 stop5h 02m

Philadelphia

Sun 3/8

6:00 am-10:12 am

1 stop6h 12m

$289

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Mon 3/2

4:26 pm-11:44 pm

1 stop5h 18m

Philadelphia

Thu 3/12

6:00 am-10:12 am

1 stop6h 12m

$289

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Mon 3/2

4:26 pm-11:44 pm

1 stop5h 18m

Philadelphia

Mon 3/9

6:00 am-10:12 am

1 stop6h 12m

$289

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Wed 3/4

6:00 am-7:25 pm

2 stops11h 25m

Philadelphia

Mon 3/9

6:54 pm-10:26 pm

1 stop5h 32m

$294

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 3/3

6:00 am-7:25 pm

2 stops11h 25m

Philadelphia

Tue 3/10

6:00 am-10:12 am

1 stop6h 12m

$294

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Tue 3/3

6:00 am-7:25 pm

2 stops11h 25m

Philadelphia

Sun 3/8

6:00 am-10:12 am

1 stop6h 12m

$294

Rapid CityPhiladelphia

RAP - PHL

RAPPHL

Rapid City

Sat 3/7

10:54 am-8:42 pm

1 stop7h 48m

Philadelphia

Wed 3/11

6:54 pm-10:26 pm

1 stop5h 32m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 17 results

Compare providers for flights from Rapid City to Philadelphia

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-Philadelphia flight deals on Cheapflights vs. eDreams >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 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 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, April is the cheapest month in which you can book a flight from Rapid City to Philadelphia (average of $170). Flying from Rapid City to Philadelphia in February is currently the most expensive (average of $794). 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 a feel of what it's like to fly with Delta, United Airlines, and American 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

8,008 reviews

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

8,008 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,095 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,050 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Rapid City to Philadelphia?
Delta can get you from Rapid City to Philadelphia in just under 5h 18m. 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), United Airlines ($338), and American Airlines ($408) offers the cheapest pricing from Rapid City to Philadelphia. Delta is 52% 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, April is the cheapest month in which you can book a flight from Rapid City to Philadelphia (average of $170). Flying from Rapid City to Philadelphia in February is currently the most expensive (average of $794). 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

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Top 3 airlines flying from Rapid City to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$268	Average$588	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$338	Average$600	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$408	Average$530	FlexibilityNo cancel fee	On-time71%

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$216+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Rapid City to Philadelphia

Cheapest flights from Rapid City to PhiladelphiaExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Rapid City to Philadelphia

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 December.

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.

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?

Reviews of airlines servicing Philadelphia

Get a feel of what it's like to fly with Delta, United Airlines, and American 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.

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?

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

Can I find deals for flights from Rapid City to Philadelphia that include hotel bookings?

How can I find direct flights from Rapid City to Philadelphia?

Can I find deals for business class flights from Rapid City to Philadelphia?

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

Traveling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Rapid City to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Rapid City to Philadelphia

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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 December 12, 2025.