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

Allegiant Air is the most popular carrier 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 August 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.

$220 Cheap Flights from Rapid City to Philadelphia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Philadelphia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:00 pm - 11:40 pmRAP Rapid City-PHL Philadelphia

5h 40m1 stop Minneapolis St Paul

6:15 am - 11:12 amPHL Philadelphia-RAP Rapid City

6h 57m1 stop Minneapolis St Paul

$339Delta

Fri, Jan 15 - Sun, Jan 17

10:26 am - 7:25 pmRAP Rapid City-PHL Philadelphia

6h 59m1 stop Denver Intl

8:00 am - 12:24 pmPHL Philadelphia-RAP Rapid City

6h 24m1 stop Denver Intl

$409United Airlines

Wed, Sep 2 - Sun, Sep 6

12:39 pm - 12:19 amRAP Rapid City-PHL Philadelphia

9h 40m1 stop Dallas/Fort Worth

8:26 am - 4:34 pmPHL Philadelphia-RAP Rapid City

10h 08m1 stop Dallas/Fort Worth

$409American Airlines

Thu, Sep 3 - Mon, Sep 7

10:26 am - 9:43 pmRAP Rapid City-PHL Philadelphia

9h 17m2 stops Denver Intl Chicago O'Hare Intl

8:00 am - 12:24 pmPHL Philadelphia-RAP Rapid City

6h 24m1 stop Denver Intl

$414United Airlines

Wed, Sep 2 - Sun, Sep 6

8:57 am - 7:33 pmRAP Rapid City-PHL Philadelphia

8h 36m1 stop Denver Intl

10:00 am - 3:19 pmPHL Philadelphia-RAP Rapid City

7h 19m1 stop Denver Intl

$429United Airlines

Sat, Oct 24 - Wed, Oct 28

2:31 pm - 11:56 pmRAP Rapid City-PHL Philadelphia

7h 25m1 stop Minneapolis St Paul

5:45 am - 10:01 amPHL Philadelphia-RAP Rapid City

6h 16m1 stop Minneapolis St Paul

$439Delta

Thu, Sep 10 - Mon, Sep 14

2:31 pm - 11:56 pmRAP Rapid City-PHL Philadelphia

7h 25m1 stop Minneapolis St Paul

5:45 am - 10:01 amPHL Philadelphia-RAP Rapid City

6h 16m1 stop Minneapolis St Paul

$459Delta

Thu, Sep 10 - Mon, Sep 14

2:31 pm - 11:56 pmRAP Rapid City-PHL Philadelphia

7h 25m1 stop Minneapolis St Paul

5:45 am - 10:01 amPHL Philadelphia-RAP Rapid City

6h 16m1 stop Minneapolis St Paul

$519Delta

Thu, Sep 10 - Mon, Sep 14

12:39 pm - 11:40 pmRAP Rapid City-PHL Philadelphia

9h 01m2 stops Dallas/Fort Worth Charlotte Douglas

8:26 am - 4:34 pmPHL Philadelphia-RAP Rapid City

10h 08m1 stop Dallas/Fort Worth

$544American Airlines

Thu, Sep 3 - Mon, Sep 7

6:17 am - 4:36 pmRAP Rapid City-PHL Philadelphia

8h 19m1 stop Dallas/Fort Worth

12:41 pm - 9:58 pmPHL Philadelphia-RAP Rapid City

11h 17m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$601American Airlines

Fri, Jan 15 - Sun, Jan 17

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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

Sep 2

RAP10:26 amRapid City

6h 59m

1 stop

PHL7:25 pmPhiladelphia

Sep 6

PHL8:00 amPhiladelphia

6h 24m

1 stop

RAP12:24 pmRapid City

$409

United Airlines

Sep 2

RAP10:26 amRapid City

9h 17m

2 stops

PHL9:43 pmPhiladelphia

Sep 6

PHL8:00 amPhiladelphia

6h 24m

1 stop

RAP12:24 pmRapid City

$414

United Airlines

Oct 24

RAP8:57 amRapid City

8h 36m

1 stop

PHL7:33 pmPhiladelphia

Oct 28

PHL10:00 amPhiladelphia

7h 19m

1 stop

RAP3:19 pmRapid City

$429

American Airlines flights from Rapid City to Philadelphia

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

American Airlines

Sep 3

RAP12:39 pmRapid City

9h 01m

2 stops

PHL11:40 pmPhiladelphia

Sep 7

PHL8:26 amPhiladelphia

10h 08m

1 stop

RAP4:34 pmRapid City

$544

American Airlines

Jan 15

RAP6:17 amRapid City

8h 19m

1 stop

PHL4:36 pmPhiladelphia

Jan 17

PHL12:41 pmPhiladelphia

11h 17m

2 stops

RAP9:58 pmRapid City

$601

American Airlines

Sep 10

RAP12:47 pmRapid City

9h 35m

1 stop

PHL12:22 amPhiladelphia

Sep 14

PHL5:00 amPhiladelphia

6h 47m

1 stop

RAP9:47 amRapid City

$608

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Fri 1/15

4:00 pm-11:40 pm

1 stop5h 40m

Philadelphia

Sun 1/17

6:15 am-11:12 am

1 stop6h 57m

$339

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 9/2

10:26 am-7:25 pm

1 stop6h 59m

Philadelphia

Sun 9/6

8:00 am-12:24 pm

1 stop6h 24m

$409

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Thu 9/3

12:39 pm-12:19 am

1 stop9h 40m

Philadelphia

Mon 9/7

8:26 am-4:34 pm

1 stop10h 08m

$409

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Wed 9/2

10:26 am-9:43 pm

2 stops9h 17m

Philadelphia

Sun 9/6

8:00 am-12:24 pm

1 stop6h 24m

$414

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Sat 10/24

8:57 am-7:33 pm

1 stop8h 36m

Philadelphia

Wed 10/28

10:00 am-3:19 pm

1 stop7h 19m

$429

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Thu 9/10

2:31 pm-11:56 pm

1 stop7h 25m

Philadelphia

Mon 9/14

5:45 am-10:01 am

1 stop6h 16m

$439

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Thu 9/10

2:31 pm-11:56 pm

1 stop7h 25m

Philadelphia

Mon 9/14

5:45 am-10:01 am

1 stop6h 16m

$459

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Thu 9/10

2:31 pm-11:56 pm

1 stop7h 25m

Philadelphia

Mon 9/14

5:45 am-10:01 am

1 stop6h 16m

$519

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Thu 9/3

12:39 pm-11:40 pm

2 stops9h 01m

Philadelphia

Mon 9/7

8:26 am-4:34 pm

1 stop10h 08m

$544

Rapid CityPhiladelphia

RAP Rapid City - PHL Philadelphia

RAPPHL

Rapid City

Fri 1/15

6:17 am-4:36 pm

1 stop8h 19m

Philadelphia

Sun 1/17

12:41 pm-9:58 pm

2 stops11h 17m

$601

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 cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Rapid City is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Philadelphia, with average flight prices from Rapid City averaging around $328.

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	$220
Fastest flight time	5h 40m
Direct flights	None

The best one-way flight to Philadelphia from Rapid City in the past 72 hours is $220. The best round-trip flight deal from Rapid City to Philadelphia found on momondo in the last 72 hours is $339.

The fastest flight from Rapid City to Philadelphia takes 5h 40m

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 5h 40m 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 August 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 68% of the total bookings. Other popular airlines include Delta with 32%.

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 8,517 reviews		Search Delta flights
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 10,112 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.