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Cheap flights from Philadelphia to Rapid City from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Rapid City departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Rapid City

Cheap round-trip flights

American Airlines Logo
5:00 am - 12:02 pmPHL-RAP
9h 02m1 stop
American Airlines Logo
5:00 pm - 1:10 amRAP-PHL
6h 10m1 stop
$269American Airlines
Find Deal
Sun, Sep 28 - Sat, Oct 4
Delta Logo
9:46 am - 3:50 pmPHL-RAP
8h 04m2 stops
Delta Logo
2:26 pm - 11:49 pmRAP-PHL
7h 23m1 stop
$274Delta
Find Deal
Sat, Oct 18 - Wed, Oct 22
Delta Logo
9:46 am - 3:50 pmPHL-RAP
8h 04m2 stops
Delta Logo
2:26 pm - 12:52 amRAP-PHL
8h 26m2 stops
$279Delta
Find Deal
Sat, Oct 18 - Wed, Oct 22
Delta Logo
6:59 pm - 10:32 pmPHL-RAP
5h 33m1 stop
Delta Logo
4:25 pm - 11:51 pmRAP-PHL
5h 26m1 stop
$294Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Delta Logo
6:59 pm - 10:32 pmPHL-RAP
5h 33m1 stop
Delta Logo
10:55 am - 12:56 amRAP-PHL
12h 01m2 stops
$299Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Delta Logo
6:59 pm - 10:31 pmPHL-RAP
5h 32m1 stop
Delta Logo
6:20 am - 7:10 pmRAP-PHL
10h 50m2 stops
$324Delta
Find Deal
Sat, Aug 16 - Tue, Aug 19
Delta Logo
5:23 pm - 10:30 pmPHL-RAP
7h 07m2 stops
Delta Logo
4:24 pm - 11:55 pmRAP-PHL
5h 31m1 stop
$329Delta
Find Deal
Wed, Sep 24 - Tue, Sep 30
American Airlines Logo
5:00 am - 12:02 pmPHL-RAP
9h 02m1 stop
American Airlines Logo
6:12 pm - 8:02 amRAP-PHL
11h 50m1 stop
$342American Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
8:00 am - 12:38 pmPHL-RAP
6h 38m1 stop
United Airlines Logo
10:15 am - 12:21 amRAP-PHL
12h 06m2 stops
$354United Airlines
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Mon, Aug 25 - Wed, Sep 3
United Airlines Logo
1:03 pm - 9:59 pmPHL-RAP
10h 56m2 stops
United Airlines Logo
10:15 am - 12:21 amRAP-PHL
12h 06m2 stops
$360United Airlines
Find Deal
Mon, Aug 25 - Wed, Sep 3

United Airlines flights from Philadelphia to Rapid City

Our best United Airlines deals on Philadelphia to Rapid City flight tickets
United Airlines
Aug 25
PHL8:00 amPhiladelphia
6h 38m
1 stop
RAP12:38 pmRapid City
Sep 3
RAP10:15 amRapid City
12h 06m
2 stops
PHL12:21 amPhiladelphia
$354
Find similar
United Airlines
Aug 25
PHL1:03 pmPhiladelphia
10h 56m
2 stops
RAP9:59 pmRapid City
Sep 3
RAP10:15 amRapid City
12h 06m
2 stops
PHL12:21 amPhiladelphia
$360
Find similar
United Airlines
Sep 24
PHL6:30 amPhiladelphia
5h 52m
1 stop
RAP10:22 amRapid City
Sep 30
RAP1:44 pmRapid City
5h 44m
1 stop
PHL9:28 pmPhiladelphia
$374
Find similar

Delta flights from Philadelphia to Rapid City

Our best Delta deals on Philadelphia to Rapid City flight tickets
Delta
Oct 18
PHL9:46 amPhiladelphia
8h 04m
2 stops
RAP3:50 pmRapid City
Oct 22
RAP2:26 pmRapid City
7h 23m
1 stop
PHL11:49 pmPhiladelphia
$274
Find similar
Delta
Oct 18
PHL9:46 amPhiladelphia
8h 04m
2 stops
RAP3:50 pmRapid City
Oct 22
RAP2:26 pmRapid City
8h 26m
2 stops
PHL12:52 amPhiladelphia
$279
Find similar
Delta
Aug 30
PHL6:59 pmPhiladelphia
5h 33m
1 stop
RAP10:32 pmRapid City
Sep 6
RAP4:25 pmRapid City
5h 26m
1 stop
PHL11:51 pmPhiladelphia
$294
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Rapid City 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, momondo users made 832,500 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Philadelphia to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sun 9/28

5:00 am-12:02 pm

1 stop9h 02m

Rapid City

Sat 10/4

5:00 pm-1:10 am

1 stop6h 10m

$269

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 10/18

9:46 am-3:50 pm

2 stops8h 04m

Rapid City

Wed 10/22

2:26 pm-11:49 pm

1 stop7h 23m

$274

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 10/18

9:46 am-3:50 pm

2 stops8h 04m

Rapid City

Wed 10/22

2:26 pm-12:52 am

2 stops8h 26m

$279

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 8/30

6:59 pm-10:32 pm

1 stop5h 33m

Rapid City

Sat 9/6

4:25 pm-11:51 pm

1 stop5h 26m

$294

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 8/30

6:59 pm-10:32 pm

1 stop5h 33m

Rapid City

Sat 9/6

10:55 am-12:56 am

2 stops12h 01m

$299

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Sat 8/16

6:59 pm-10:31 pm

1 stop5h 32m

Rapid City

Tue 8/19

6:20 am-7:10 pm

2 stops10h 50m

$324

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Wed 9/24

5:23 pm-10:30 pm

2 stops7h 07m

Rapid City

Tue 9/30

4:24 pm-11:55 pm

1 stop5h 31m

$329

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Thu 10/2

5:00 am-12:02 pm

1 stop9h 02m

Rapid City

Sun 10/5

6:12 pm-8:02 am

1 stop11h 50m

$342

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Mon 8/25

8:00 am-12:38 pm

1 stop6h 38m

Rapid City

Wed 9/3

10:15 am-12:21 am

2 stops12h 06m

$354

PhiladelphiaRapid City

PHL - RAP

PHLRAP

Philadelphia

Mon 8/25

1:03 pm-9:59 pm

2 stops10h 56m

Rapid City

Wed 9/3

10:15 am-12:21 am

2 stops12h 06m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rapid City from

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

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

What is the cheapest month to fly to Rapid City?

The month of January is, on average, the cheapest month to fly to Rapid City from Philadelphia, with most prices found around $570. If you aren’t able to travel to Rapid City during the month of January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $570.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Tuesday is the cheapest day to fly to Rapid City from Philadelphia. The lowest ticket price found for a Tuesday departure recently was $586. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Thursday, with ticket prices averaging around $704.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is at noon. Flights from Philadelphia to Rapid City during this time can be as low as $597. Flights in the morning are often more expensive with an average ticket price of $647.

How far in advance should I book a flight to Rapid City?

You are more likely to see cheaper flights to Rapid City from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $632 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Philadelphia for as low as $492 on momondo.

When to book flights from Philadelphia to Rapid City

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

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

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

Best Price Found

$140

Fastest flight time

5h 32m

Direct flights

None

Airports in Rapid City

1 airport
The best one-way flight to Rapid City from Philadelphia in the past 72 hours is $140. The best round-trip flight deal from Philadelphia to Rapid City found on momondo in the last 72 hours is $269.
The fastest flight from Philadelphia to Rapid City takes 5h 32m
There are no direct flights from Philadelphia to Rapid City. Popular non-direct route for this connection is Philadelphia Airport - Rapid City Airport.
There is 1 airport near Rapid City: Rapid City (RAP)
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  • How far is Philadelphia to Rapid City by plane?

    There are 1460.7 mi between Philadelphia and Rapid City. Typically, this will take 5h 32m by plane in normal conditions.

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

    Prices for flights from Philadelphia Airport to Rapid City Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City 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 Rapid City 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 Philadelphia to Rapid City?

Best airlines flying from Philadelphia to Rapid City

Compare and see reviews for airlines that fly from Philadelphia to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $297Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
DeltaPriceFrom $339Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $450Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Sturgis
Keystone
Spearfish
Custer
Hot Springs
Wall
Hill City

Why use momondo?

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

It is quick and easy to find Philadelphia to Rapid City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Rapid City that suits you.

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

Yes. momondo enables you to select and highlight flights to Rapid City from Philadelphia with this policy.

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

momondo provides multiple filters to help you find the best flight to Rapid City from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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