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

United Airlines, Delta, and American Airlines are the most popular carriers operating from Rapid City to Missouri

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

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

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

As of September 2026, there are 2 operators available to choose from for flights from Rapid City Airport to Missouri.

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

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 Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$284 Cheap Flights from Rapid City to Missouri in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:48 pm - 11:37 pmRAP Rapid City-MCI Kansas City

4h 49m1 stop Denver Intl

5:05 pm - 8:33 pmMCI Kansas City-RAP Rapid City

4h 28m1 stop Denver Intl

$339United Airlines

Fri, Mar 12 - Mon, Mar 15

4:38 pm - 11:21 pmRAP Rapid City-STL Lambert-St Louis

5h 43m1 stop Minneapolis St Paul

12:28 pm - 3:58 pmSTL Lambert-St Louis-RAP Rapid City

4h 30m1 stop Minneapolis St Paul

$339Delta

Sat, Oct 24 - Wed, Oct 28

2:35 pm - 8:57 pmRAP Rapid City-STL Lambert-St Louis

5h 22m1 stop Denver Intl

2:50 pm - 7:51 pmSTL Lambert-St Louis-RAP Rapid City

6h 01m1 stop Denver Intl

$339United Airlines

Thu, Dec 3 - Sun, Dec 6

4:36 pm - 11:18 pmRAP Rapid City-STL Lambert-St Louis

5h 42m1 stop Minneapolis St Paul

5:30 pm - 10:37 pmSTL Lambert-St Louis-RAP Rapid City

6h 07m1 stop Minneapolis St Paul

$339Delta

Wed, Nov 11 - Sat, Nov 14

4:36 pm - 11:18 pmRAP Rapid City-STL Lambert-St Louis

5h 42m1 stop Minneapolis St Paul

5:22 pm - 10:37 pmSTL Lambert-St Louis-RAP Rapid City

6h 15m1 stop Minneapolis St Paul

$339Delta

Thu, Nov 12 - Sun, Nov 15

1:09 pm - 12:24 amRAP Rapid City-MCI Kansas City

10h 15m2 stops Dallas/Fort Worth Chicago O'Hare Intl

8:01 am - 12:39 pmMCI Kansas City-RAP Rapid City

5h 38m1 stop Dallas/Fort Worth

$344American Airlines

Fri, Dec 4 - Sun, Dec 6

5:04 pm - 11:42 pmRAP Rapid City-STL Lambert-St Louis

5h 38m1 stop Dallas/Fort Worth

7:29 am - 4:25 pmSTL Lambert-St Louis-RAP Rapid City

9h 56m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$344American Airlines

Sat, Oct 24 - Wed, Oct 28

7:00 am - 12:38 pmRAP Rapid City-STL Lambert-St Louis

4h 38m1 stop Denver Intl

9:40 am - 5:09 pmSTL Lambert-St Louis-RAP Rapid City

8h 29m2 stops Chicago O'Hare Intl Denver Intl

$344United Airlines

Wed, Nov 11 - Sat, Nov 14

6:11 am - 7:22 pmRAP Rapid City-STL Lambert-St Louis

12h 11m2 stops Dallas/Fort Worth Chicago O'Hare Intl

6:00 am - 12:39 pmSTL Lambert-St Louis-RAP Rapid City

7h 39m1 stop Dallas/Fort Worth

$344American Airlines

Wed, Nov 11 - Sun, Nov 15

2:35 pm - 8:33 pmRAP Rapid City-MCI Kansas City

4h 58m1 stop Denver Intl

1:36 pm - 7:51 pmMCI Kansas City-RAP Rapid City

7h 15m1 stop Denver Intl

$351United Airlines

Fri, Dec 4 - Sun, Dec 6

Cheap last minute flights

Enter your travel dates to find the best prices.

4:41 pm - 11:31 pmRAP Rapid City-STL Lambert-St Louis

5h 50m1 stop Denver Intl

4:40 pm - 8:38 pmSTL Lambert-St Louis-RAP Rapid City

4h 58m1 stop Denver Intl

$444United Airlines

Thu, Sep 17 - Mon, Sep 21

5:48 pm - 11:30 pmRAP Rapid City-MCI Kansas City

4h 42m1 stop Denver Intl

1:43 pm - 5:52 pmMCI Kansas City-RAP Rapid City

5h 09m1 stop Denver Intl

$459United Airlines

Sat, Sep 19 - Mon, Sep 21

6:07 pm - 12:23 amRAP Rapid City-MCI Kansas City

5h 16m1 stop Chicago O'Hare Intl

5:28 am - 9:47 amMCI Kansas City-RAP Rapid City

5h 19m1 stop Dallas/Fort Worth

$459American Airlines

Fri, Sep 18 - Sun, Sep 20

6:07 pm - 12:27 amRAP Rapid City-STL Lambert-St Louis

5h 20m1 stop Chicago O'Hare Intl

5:43 am - 9:47 amSTL Lambert-St Louis-RAP Rapid City

5h 04m1 stop Dallas/Fort Worth

$474American Airlines

Fri, Sep 18 - Sun, Sep 20

7:00 am - 12:40 pmRAP Rapid City-STL Lambert-St Louis

4h 40m1 stop Denver Intl

4:40 pm - 8:38 pmSTL Lambert-St Louis-RAP Rapid City

4h 58m1 stop Denver Intl

$539United Airlines

Thu, Sep 17 - Mon, Sep 21

6:07 pm - 12:27 amRAP Rapid City-STL Lambert-St Louis

5h 20m1 stop Chicago O'Hare Intl

5:43 am - 9:47 amSTL Lambert-St Louis-RAP Rapid City

5h 04m1 stop Dallas/Fort Worth

$539American Airlines

Thu, Sep 17 - Sun, Sep 20

11:22 am - 11:38 pmRAP Rapid City-STL Lambert-St Louis

11h 16m2 stops Denver Intl Newark

4:40 pm - 10:33 pmSTL Lambert-St Louis-RAP Rapid City

6h 53m1 stop Denver Intl

$660United Airlines

Thu, Sep 17 - Mon, Sep 21

4:41 pm - 11:31 pmRAP Rapid City-STL Lambert-St Louis

5h 50m1 stop Denver Intl

12:59 pm - 8:38 pmSTL Lambert-St Louis-RAP Rapid City

8h 39m2 stops Chicago O'Hare Intl Denver Intl

$668United Airlines

Thu, Sep 17 - Mon, Sep 21

12:47 pm - 12:23 amRAP Rapid City-MCI Kansas City

10h 36m2 stops Dallas/Fort Worth Chicago O'Hare Intl

5:24 pm - 9:52 pmMCI Kansas City-RAP Rapid City

5h 28m1 stop Dallas/Fort Worth

$927American Airlines

Fri, Sep 18 - Sun, Sep 20

6:48 am - 5:45 pmRAP Rapid City-STL Lambert-St Louis

9h 57m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

6:40 am - 3:51 pmSTL Lambert-St Louis-RAP Rapid City

10h 11m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$1,761Delta

Thu, Sep 17 - Mon, Sep 21

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American Airlines flights from Rapid City to Missouri

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

American Airlines

Oct 24

RAP5:04 pmRapid City

5h 38m

1 stop

STL11:42 pmLambert-St Louis

Oct 28

STL7:29 amLambert-St Louis

9h 56m

2 stops

RAP4:25 pmRapid City

$344

American Airlines

Nov 11

RAP6:11 amRapid City

12h 11m

2 stops

STL7:22 pmLambert-St Louis

Nov 14

STL1:20 pmLambert-St Louis

9h 07m

2 stops

RAP9:27 pmRapid City

$349

American Airlines

Sep 29

RAP6:07 pmRapid City

5h 20m

1 stop

STL12:27 amLambert-St Louis

Oct 3

STL10:14 amLambert-St Louis

7h 09m

1 stop

RAP4:23 pmRapid City

$369

United Airlines flights from Rapid City to Missouri

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

United Airlines

Mar 12

RAP5:48 pmRapid City

4h 49m

1 stop

MCI11:37 pmKansas City

Mar 15

MCI5:05 pmKansas City

4h 28m

1 stop

RAP8:33 pmRapid City

$339

United Airlines

Dec 4

RAP2:35 pmRapid City

4h 58m

1 stop

MCI8:33 pmKansas City

Dec 6

MCI1:36 pmKansas City

7h 15m

1 stop

RAP7:51 pmRapid City

$351

United Airlines

Sep 24

RAP1:37 pmRapid City

6h 44m

1 stop

STL9:21 pmLambert-St Louis

Sep 26

STL1:36 pmLambert-St Louis

6h 44m

1 stop

RAP7:20 pmRapid City

$399

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Rapid CityKansas City

RAP Rapid City - MCI Kansas City

RAPMCI

Rapid City

Fri 3/12

5:48 pm-11:37 pm

1 stop4h 49m

Kansas City

Mon 3/15

5:05 pm-8:33 pm

1 stop4h 28m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Sat 10/24

4:38 pm-11:21 pm

1 stop5h 43m

Lambert-St Louis

Wed 10/28

12:28 pm-3:58 pm

1 stop4h 30m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Thu 12/3

2:35 pm-8:57 pm

1 stop5h 22m

Lambert-St Louis

Sun 12/6

2:50 pm-7:51 pm

1 stop6h 01m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 11/11

4:36 pm-11:18 pm

1 stop5h 42m

Lambert-St Louis

Sat 11/14

5:30 pm-10:37 pm

1 stop6h 07m

$339

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Thu 11/12

4:36 pm-11:18 pm

1 stop5h 42m

Lambert-St Louis

Sun 11/15

5:22 pm-10:37 pm

1 stop6h 15m

$339

Rapid CityKansas City

RAP Rapid City - MCI Kansas City

RAPMCI

Rapid City

Fri 12/4

1:09 pm-12:24 am

2 stops10h 15m

Kansas City

Sun 12/6

8:01 am-12:39 pm

1 stop5h 38m

$344

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Sat 10/24

5:04 pm-11:42 pm

1 stop5h 38m

Lambert-St Louis

Wed 10/28

7:29 am-4:25 pm

2 stops9h 56m

$344

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 11/11

7:00 am-12:38 pm

1 stop4h 38m

Lambert-St Louis

Sat 11/14

9:40 am-5:09 pm

2 stops8h 29m

$344

Rapid CitySt. Louis

RAP Rapid City - STL Lambert-St Louis

RAPSTL

Rapid City

Wed 11/11

6:11 am-7:22 pm

2 stops12h 11m

Lambert-St Louis

Sun 11/15

6:00 am-12:39 pm

1 stop7h 39m

$344

Rapid CityKansas City

RAP Rapid City - MCI Kansas City

RAPMCI

Rapid City

Fri 12/4

2:35 pm-8:33 pm

1 stop4h 58m

Kansas City

Sun 12/6

1:36 pm-7:51 pm

1 stop7h 15m

$351

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 Missouri

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 Missouri?

In general, January is the cheapest month to fly from Rapid City to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $349. If you aren’t able to travel to Missouri during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $358.

Cheap Rapid City to Missouri flight deals and tips

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

Best Price Found	$284
Fastest flight time	4h 37m
Direct flights	None

The best one-way flight to Missouri from Rapid City in the past 72 hours is $284. The best round-trip flight deal from Rapid City to Missouri found on momondo in the last 72 hours is $339.

The fastest flight from Rapid City to Missouri takes 4h 37m

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

Search flight deals

Frequently asked questions about flying from Rapid City to Missouri

When did momondo last update prices for flights from Rapid City Airport to Missouri?
Prices for flights from Rapid City Airport to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Rapid City Airport to Missouri?
As of September 2026, there are 2 operators available to choose from for flights from Rapid City Airport to Missouri.
How old do you have to be to fly from Rapid City Airport to Missouri?
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 Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Rapid City to Missouri

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $208	Free Cancellation	Rating 7.8 8,570 reviews		Search Delta flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 10,214 reviews		Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rapid City to Missouri. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Rapid City to Missouri on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Rapid City to Missouri flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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