What is the cheapest airline that flies from Rapid City to Philadelphia?

Allegiant Air, American Airlines, and United Airlines are the most popular carriers operating from Rapid City to Philadelphia

When did momondo last update prices for flights from Rapid City Airport to Philadelphia Airport?

Prices for flights from Rapid City Airport to Philadelphia Airport were last updated today.

How many operators does momondo search for flights from Rapid City Airport to Philadelphia Airport?

The number of operators available for flights from Rapid City Airport to Philadelphia Airport is 2 as of October 2026.

How old do you have to be to fly from Rapid City Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$328 Cheap Flights from Rapid City to Philadelphia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Philadelphia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 am - 3:48 pmRAP Rapid City-PHL Philadelphia

6h 43m1 stop Denver Intl

3:52 pm - 10:30 pmPHL Philadelphia-RAP Rapid City

8h 38m1 stop Denver Intl

$429United Airlines

Tue, Oct 20 - Sat, Oct 24

12:30 pm - 11:20 pmRAP Rapid City-PHL Philadelphia

8h 50m1 stop Denver Intl

6:15 am - 10:31 amPHL Philadelphia-RAP Rapid City

6h 16m1 stop Chicago O'Hare Intl

$429United Airlines

Fri, Oct 23 - Tue, Oct 27

7:05 am - 6:14 pmRAP Rapid City-PHL Philadelphia

9h 09m2 stops Denver Intl Chicago O'Hare Intl

8:00 am - 12:26 pmPHL Philadelphia-RAP Rapid City

6h 26m1 stop Denver Intl

$434United Airlines

Tue, Oct 20 - Sat, Oct 24

1:37 pm - 9:29 pmRAP Rapid City-PHL Philadelphia

5h 52m1 stop Chicago O'Hare Intl

10:54 am - 7:19 pmPHL Philadelphia-RAP Rapid City

10h 25m2 stops Chicago O'Hare Intl Denver Intl

$434United Airlines

Fri, Oct 23 - Tue, Oct 27

4:37 pm - 11:54 pmRAP Rapid City-PHL Philadelphia

5h 17m1 stop Minneapolis St Paul

6:05 am - 11:19 amPHL Philadelphia-RAP Rapid City

7h 14m1 stop Minneapolis St Paul

$719Delta

Wed, Dec 23 - Mon, Dec 28

11:59 am - 11:11 pmRAP Rapid City-PHL Philadelphia

9h 12m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

6:05 am - 11:19 amPHL Philadelphia-RAP Rapid City

7h 14m1 stop Minneapolis St Paul

$724Delta

Wed, Dec 23 - Mon, Dec 28

4:37 pm - 11:54 pmRAP Rapid City-PHL Philadelphia

5h 17m1 stop Minneapolis St Paul

6:05 am - 11:19 amPHL Philadelphia-RAP Rapid City

7h 14m1 stop Minneapolis St Paul

$827Delta

Wed, Dec 23 - Mon, Dec 28

4:37 pm - 11:54 pmRAP Rapid City-PHL Philadelphia

5h 17m1 stop Minneapolis St Paul

6:05 am - 11:19 amPHL Philadelphia-RAP Rapid City

7h 14m1 stop Minneapolis St Paul

$834Delta

Wed, Dec 23 - Mon, Dec 28

1:12 pm - 10:40 pmRAP Rapid City-PHL Philadelphia

7h 28m1 stop Dallas/Fort Worth

5:00 am - 12:42 pmPHL Philadelphia-RAP Rapid City

9h 42m1 stop Dallas/Fort Worth

$853American Airlines

Wed, Dec 23 - Mon, Dec 28

6:00 am - 7:52 pmRAP Rapid City-PHL Philadelphia

11h 52m2 stops Dallas/Fort Worth Charlotte Douglas

5:00 am - 12:42 pmPHL Philadelphia-RAP Rapid City

9h 42m1 stop Dallas/Fort Worth

$891American Airlines

Wed, Dec 23 - Mon, Dec 28

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United Airlines flights from Rapid City to Philadelphia

Our best United Airlines deals on Rapid City to Philadelphia flight tickets

United Airlines

Oct 20

RAP7:05 amRapid City

6h 43m

1 stop

PHL3:48 pmPhiladelphia

Oct 24

PHL3:52 pmPhiladelphia

8h 38m

1 stop

RAP10:30 pmRapid City

$429

United Airlines

Oct 20

RAP7:05 amRapid City

9h 09m

2 stops

PHL6:14 pmPhiladelphia

Oct 24

PHL8:00 amPhiladelphia

6h 26m

1 stop

RAP12:26 pmRapid City

$434

United Airlines

Oct 20

RAP1:37 pmRapid City

7h 53m

2 stops

PHL11:30 pmPhiladelphia

Oct 24

PHL6:08 amPhiladelphia

8h 18m

2 stops

RAP12:26 pmRapid City

$439

American Airlines flights from Rapid City to Philadelphia

Our best American Airlines deals on Rapid City to Philadelphia flight tickets

American Airlines

Dec 23

RAP1:12 pmRapid City

7h 28m

1 stop

PHL10:40 pmPhiladelphia

Dec 28

PHL5:00 amPhiladelphia

9h 42m

1 stop

RAP12:42 pmRapid City

$853

American Airlines

Dec 23

RAP6:00 amRapid City

11h 52m

2 stops

PHL7:52 pmPhiladelphia

Dec 28

PHL5:00 amPhiladelphia

9h 42m

1 stop

RAP12:42 pmRapid City

$891

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Tue 10/20

7:05 am-3:48 pm

1 stop6h 43m

Philadelphia

Sat 10/24

3:52 pm-10:30 pm

1 stop8h 38m

$429

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Fri 10/23

12:30 pm-11:20 pm

1 stop8h 50m

Philadelphia

Tue 10/27

6:15 am-10:31 am

1 stop6h 16m

$429

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Tue 10/20

7:05 am-6:14 pm

2 stops9h 09m

Philadelphia

Sat 10/24

8:00 am-12:26 pm

1 stop6h 26m

$434

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Fri 10/23

1:37 pm-9:29 pm

1 stop5h 52m

Philadelphia

Tue 10/27

10:54 am-7:19 pm

2 stops10h 25m

$434

Quickest round-trip

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 12/23

4:37 pm-11:54 pm

1 stop5h 17m

Philadelphia

Mon 12/28

6:05 am-11:19 am

1 stop7h 14m

$719

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 12/23

11:59 am-11:11 pm

2 stops9h 12m

Philadelphia

Mon 12/28

6:05 am-11:19 am

1 stop7h 14m

$724

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 12/23

4:37 pm-11:54 pm

1 stop5h 17m

Philadelphia

Mon 12/28

6:05 am-11:19 am

1 stop7h 14m

$827

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 12/23

4:37 pm-11:54 pm

1 stop5h 17m

Philadelphia

Mon 12/28

6:05 am-11:19 am

1 stop7h 14m

$834

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 12/23

1:12 pm-10:40 pm

1 stop7h 28m

Philadelphia

Mon 12/28

5:00 am-12:42 pm

1 stop9h 42m

$853

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 12/23

6:00 am-7:52 pm

2 stops11h 52m

Philadelphia

Mon 12/28

5:00 am-12:42 pm

1 stop9h 42m

$891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rapid City to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Rapid City and Philadelphia?

Prices are currently typical for flights on this route.

Typical prices usually range from $418 to $484.
The lowest price recently found on this route was $429.

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Rapid City is in September. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Philadelphia, with average flight prices from Rapid City averaging around $0.

When to book flights from Rapid City to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Rapid City to Philadelphia (RAP to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Philadelphia

Best Price Found	$328
Fastest flight time	8h 50m
Direct flights	None

The best one-way flight to Philadelphia from Rapid City in the past 72 hours is $328. The best round-trip flight deal from Rapid City to Philadelphia found on momondo in the last 72 hours is $429.

The fastest flight from Rapid City to Philadelphia takes 8h 50m

There are no direct flights from Rapid City to Philadelphia. There are no popular flight routes from Rapid City to Philadelphia.

Search flight deals

Frequently asked questions about flying from Rapid City to Philadelphia

How far is Rapid City to Philadelphia by plane?
Philadelphia is 1460.7 mi away from Rapid City. Typically, this will take 8h 50m by plane in normal conditions.
When did momondo last update prices for flights from Rapid City Airport to Philadelphia Airport?
Prices for flights from Rapid City Airport to Philadelphia Airport were last updated today.
How many operators does momondo search for flights from Rapid City Airport to Philadelphia Airport?
The number of operators available for flights from Rapid City Airport to Philadelphia Airport is 2 as of October 2026.
How old do you have to be to fly from Rapid City Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Rapid City to Philadelphia?
Based on momondo bookings for flights between Rapid City and Philadelphia, the leading airline is United Airlines, making up 59% of the total bookings. Other popular airlines include Delta with 41%.

Best airlines flying from Rapid City to Philadelphia

Compare and see reviews for airlines that fly from Rapid City to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $268	Free Cancellation	Rating 7.8 8,646 reviews		Search Delta flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 10,324 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Philadelphia?

Finding the right flight to Philadelphia from Rapid City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

Can I find flights from Rapid City to Philadelphia with flexible booking policies on momondo?

Flights from Rapid City to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Rapid City to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rapid City to Philadelphia.

I’m not ready to book a flight from Rapid City to Philadelphia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rapid City to Philadelphia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.