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Cheap flights from St. Louis to Rapid City from $248

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Rapid City departing on 1/14. 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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Find the cheapest flights from St. Louis to Rapid City

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Rapid City that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Rapid City.

Cheap last minute flights

Planning a quick getaway from St. Louis to Rapid City? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Rapid City, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Rapid City

Find recent round-trip train or bus tickets from St. Louis to Rapid City.

All round-trip flight deals to Rapid City

The cheapest plane tickets to Rapid City found on KAYAK recently.
10:22 am - 3:37 pmSTL-RAP
6h 15m1 stop
4:19 pm - 11:14 pmRAP-STL
5h 55m1 stop
$248Delta
Find Deal
Tue, Jan 14 - Mon, Jan 20
6:30 am - 3:37 pmSTL-RAP
10h 07m2 stops
4:19 pm - 11:14 pmRAP-STL
5h 55m1 stop
$253Delta
Find Deal
Tue, Jan 14 - Mon, Jan 20
6:43 am - 3:37 pmSTL-RAP
9h 54m2 stops
11:49 am - 9:49 pmRAP-STL
9h 00m2 stops
$258Delta
Find Deal
Wed, Jan 29 - Sat, Feb 1
11:30 am - 6:48 pmSTL-RAP
8h 18m2 stops
5:20 am - 2:14 pmRAP-STL
7h 54m2 stops
$375United Airlines
Find Deal
Tue, Jan 14 - Mon, Jan 20
5:36 pm - 10:45 pmSTL-RAP
6h 09m1 stop
11:49 am - 4:53 pmRAP-STL
4h 04m1 stop
$438Delta
Find Deal
Mon, Jan 20 - Wed, Jan 22
5:36 pm - 10:45 pmSTL-RAP
6h 09m1 stop
11:49 am - 11:37 pmRAP-STL
10h 48m2 stops
$443Delta
Find Deal
Mon, Jan 20 - Wed, Jan 22
6:23 pm - 11:30 amSTL-RAP
18h 07m1 stop
12:50 pm - 7:45 pmRAP-STL
5h 55m1 stop
$512American Airlines
Find Deal
Fri, May 23 - Wed, May 28
9:44 am - 4:57 pmSTL-RAP
8h 13m2 stops
8:36 am - 8:02 pmRAP-STL
10h 26m2 stops
$518United Airlines
Find Deal
Mon, Jan 20 - Wed, Jan 22
9:44 am - 6:48 pmSTL-RAP
10h 04m2 stops
5:20 am - 3:38 pmRAP-STL
9h 18m2 stops
$524United Airlines
Find Deal
Thu, Jan 16 - Mon, Jan 20
4:30 pm - 8:33 pmSTL-RAP
5h 03m1 stop
7:05 am - 3:21 pmRAP-STL
7h 16m2 stops
$667United Airlines
Find Deal
Fri, May 23 - Wed, May 28
STL-RAP
751 mimulti-stop
Multiple Airlines
Find Deal
4:43 pm - 10:15 pmSTL-RAP
6h 32m1 stop
8:27 am - 4:28 pmRAP-STL
7h 01m1 stop
$631United Airlines
Find Deal
Sat, Dec 21 - Wed, Jan 1
8:35 am - 2:48 pmSTL-RAP
7h 13m1 stop
7:00 am - 3:47 pmRAP-STL
7h 47m2 stops
$721United Airlines
Find Deal
Sat, Dec 21 - Wed, Jan 1
4:43 pm - 8:57 pmSTL-RAP
5h 14m1 stop
7:00 am - 3:47 pmRAP-STL
7h 47m2 stops
$747United Airlines
Find Deal
Sat, Dec 21 - Wed, Jan 1
5:45 am - 8:49 pmSTL-RAP
16h 04m2 stops
5:23 am - 10:19 pmRAP-STL
15h 56m2 stops
$1,152American Airlines
Find Deal
Sat, Dec 21 - Wed, Jan 1
6:29 am - 3:36 pmSTL-RAP
10h 07m2 stops
6:00 am - 6:47 pmRAP-STL
11h 47m2 stops
$1,338Delta
Find Deal
Sat, Dec 21 - Wed, Jan 1

United Airlines flights from St. Louis to Rapid City

Our best United Airlines deals on St. Louis to Rapid City flight tickets
United Airlines
Jan 14
STL11:30 amLambert-St Louis
8h 18m
2 stops
RAP6:48 pmRapid City
Jan 20
RAP5:20 amRapid City
7h 54m
2 stops
STL2:14 pmLambert-St Louis
United Airlines
Jan 20
STL9:44 amLambert-St Louis
8h 13m
2 stops
RAP4:57 pmRapid City
Jan 22
RAP8:36 amRapid City
10h 26m
2 stops
STL8:02 pmLambert-St Louis
United Airlines
Jan 16
STL9:44 amLambert-St Louis
10h 04m
2 stops
RAP6:48 pmRapid City
Jan 20
RAP5:20 amRapid City
9h 18m
2 stops
STL3:38 pmLambert-St Louis

American Airlines flights from St. Louis to Rapid City

Our best American Airlines deals on St. Louis to Rapid City flight tickets
American Airlines
May 23
STL6:23 pmLambert-St Louis
18h 07m
1 stop
RAP11:30 amRapid City
May 28
RAP12:50 pmRapid City
5h 55m
1 stop
STL7:45 pmLambert-St Louis
American Airlines
Dec 21
STL5:45 amLambert-St Louis
16h 04m
2 stops
RAP8:49 pmRapid City
Jan 1
RAP5:23 amRapid City
15h 56m
2 stops
STL10:19 pmLambert-St Louis

See travel insights to Rapid City from

How to get the cheapest flight ticket from St. Louis 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 November is, on average, the cheapest month to fly to Rapid City from St. Louis, with most prices found around $248. If you aren’t able to travel to Rapid City during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $257.

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

According to our data, Friday is the cheapest day to fly to Rapid City from St. Louis. The lowest ticket price found for a Friday departure recently was $363. 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 $562.

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 in the afternoon. Flights from St. Louis to Rapid City during this time can be as low as $403. Flights in the morning are often more expensive with an average ticket price of $473.

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

Most flyers found that booking tickets 59 days in advance of their planned departure date is the best time to get cheap flights to Rapid City. During this timeframe, flight prices are around $432. In the past 72 hours, momondo users found flights from St. Louis to Rapid City for as low as $247.

How have St. Louis to Rapid City flight prices changed over time?

As of December 2024, prices for St. Louis to Rapid City flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Rapid City

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

Cheap St. Louis to Rapid City (STL to RAP) flight deals and tips

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

Best Price Found

$248

Fastest flight time

5h 03m

Direct flights

None

Airports in Rapid City

1 airport
The best flight deal from St. Louis to Rapid City found on momondo in the last 72 hours is $248
The fastest flight from St. Louis to Rapid City takes 5h 03m
There are no direct flights from St. Louis to Rapid City. Popular non-direct route for this connection is Lambert-St Louis Airport - Rapid City Airport.
There is 1 airport near Rapid City: Rapid City (RAP)

  • How far is Lambert-St Louis to Rapid City by plane?

    There are 772.0 mi between Lambert-St Louis and Rapid City. Flights usually cover this in 5h 03m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Rapid City Airport?

    Prices for flights from Lambert-St Louis Airport to Rapid City Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Rapid City Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Rapid City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Rapid City Airport.

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

    The necessary travel and health documents for your Rapid City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Rapid City?


Best airlines flying from St. Louis to Rapid City

Compare and see reviews for airlines that fly from St. Louis to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
8.0
8,604 reviews
Search Delta flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Rapid City?

It is quick and easy to find St. Louis 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 St. Louis to Rapid City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Rapid City flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Rapid City?

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 St. Louis to Rapid City.

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

Of course. momondo tracks the price of St. Louis 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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