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$269+ Cheap flights from Rapid City (RAP) to Missouri

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — STL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Rapid City to Missouri

Cheapest flights from Rapid City to Missouri
Explore the most affordable flight options available from Rapid City to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:40 pm
RAP
-
MCI
1 stop4h 37m
United Airlines
Tue 3/35:21 pm
MCI
-
RAP
1 stop5h 55m
United Airlines
Deal found 1/27$269
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/144:29 pm
RAP
-
STL
1 stop5h 54m
Delta
Thu 2/196:10 am
STL
-
RAP
1 stop4h 59m
Delta
Deal found 1/26$274
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:10 pm
RAP
-
MCI
1 stop6h 17m
Delta
Sun 2/156:23 am
MCI
-
RAP
1 stop4h 46m
Delta
Deal found 1/28$279
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/122:52 pm
RAP
-
STL
1 stop4h 34m
United Airlines
Mon 2/166:00 pm
STL
-
RAP
1 stop5h 16m
United Airlines
Deal found 1/27$290
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
RAP
-
STL
1 stop4h 32m
Delta
Sat 5/165:30 pm
STL
-
RAP
1 stop5h 28m
Delta
Deal found 1/28$304
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/124:29 pm
RAP
-
STL
1 stop5h 54m
Delta
Mon 2/166:35 am
STL
-
RAP
2 stops10h 09m
Delta
Deal found 1/27$314
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/112:40 pm
RAP
-
SGF
1 stop4h 56m
United Airlines
Sun 2/151:25 pm
SGF
-
RAP
1 stop4h 42m
United Airlines
Deal found 1/27$319
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:00 am
RAP
-
STL
2 stops8h 56m
Delta
Wed 2/186:35 am
STL
-
RAP
2 stops10h 09m
Delta
Deal found 1/26$320
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:41 pm
RAP
-
MCI
1 stop4h 34m
United Airlines
Sat 3/215:21 pm
MCI
-
RAP
1 stop4h 13m
United Airlines
Deal found 1/28$339
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:42 pm
RAP
-
SGF
1 stop6h 11m
American Airlines
Sat 8/224:18 pm
SGF
-
RAP
1 stop5h 41m
American Airlines
Deal found 1/27$339
This deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:40 am
RAP
-
STL
1 stop5h 05m
Delta
Sat 5/165:30 pm
STL
-
RAP
1 stop5h 28m
Delta
Deal found 1/27$349
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:10 am
RAP
-
MCI
1 stop6h 27m
United Airlines
Sun 2/159:10 am
MCI
-
RAP
2 stops12h 34m
United Airlines
Deal found 1/28$354

Find flight deals from Rapid City to Missouri

Keep the following information in mind while searching for Rapid City to Missouri flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

Popular in

March

Cheapest in

June

Average price

$378
Provider with most accurate pricing for Rapid City-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Lambert-St Louis flights.
Search Deals
From Rapid City to Missouri
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Missouri 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Rapid City to Missouri that are best for you.

Fly from

Rapid City

Fly to

Missouri

Route

Depart

Return

Price

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Tue 2/24

5:40 pm-11:17 pm

1 stop4h 37m

Kansas City

Tue 3/3

5:21 pm-10:16 pm

1 stop5h 55m

$269

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Sat 2/14

4:29 pm-11:23 pm

1 stop5h 54m

Lambert-St Louis

Thu 2/19

6:10 am-10:09 am

1 stop4h 59m

$274

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Sat 2/14

4:29 pm-11:23 pm

1 stop5h 54m

Lambert-St Louis

Wed 2/18

5:29 pm-10:27 pm

1 stop5h 58m

$274

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Wed 2/11

4:10 pm-11:27 pm

1 stop6h 17m

Kansas City

Sun 2/15

6:23 am-10:09 am

1 stop4h 46m

$279

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 2/12

2:52 pm-8:26 pm

1 stop4h 34m

Lambert-St Louis

Mon 2/16

6:00 pm-10:16 pm

1 stop5h 16m

$290

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 5/6

6:00 am-11:32 am

1 stop4h 32m

Lambert-St Louis

Sat 5/16

5:30 pm-9:58 pm

1 stop5h 28m

$304

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 2/12

4:29 pm-11:23 pm

1 stop5h 54m

Lambert-St Louis

Mon 2/16

6:35 am-3:44 pm

2 stops10h 09m

$314

Rapid CitySpringfield

RAP - SGF

RAPSGF

Rapid City

Wed 2/11

2:40 pm-8:36 pm

1 stop4h 56m

Springfield-Branson

Sun 2/15

1:25 pm-5:07 pm

1 stop4h 42m

$319

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Sat 3/14

5:41 pm-11:15 pm

1 stop4h 34m

Kansas City

Sat 3/21

5:21 pm-8:34 pm

1 stop4h 13m

$339

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Wed 2/11

5:10 am-2:27 pm

2 stops8h 17m

Kansas City

Sun 2/15

9:10 am-8:44 pm

2 stops12h 34m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 19 results
1
2

Best time to book a flight from Rapid City to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Missouri

What is the cheapest month to book a flight from Rapid City to Missouri?

Currently, May is the cheapest month in which you can book a flight from Rapid City to Missouri (average of $188). Flying from Rapid City to Missouri in June is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Rapid City to Missouri. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to Missouri?

    Located just 9.0 mi from the city center, Rapid City (RAP) is the airport most travelers will use when flying to Missouri from Rapid City.

  • How long is the flight from Rapid City to Missouri?

    A quick flight from Rapid City to Missouri can take about 4h 37m. United Airlines provides one of the quickest options available for as low as $269. Airlines will cover a distance of 540 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Rapid City to Missouri?

    Most travelers choose Rapid City - Lambert-St Louis, Rapid City - Kansas City or Rapid City - Springfield-Branson when deciding on the best route from Rapid City to Missouri.

  • Can I find deals for flights from Rapid City to Missouri that include hotel bookings?

    Yes. In addition to deals on Rapid City to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Missouri.

  • Can I find deals for business class flights from Rapid City to Missouri?

    Yes. Cheapflights offers flight deals from Rapid City to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to Missouri?

    Currently, May is the cheapest month in which you can book a flight from Rapid City to Missouri (average of $188). Flying from Rapid City to Missouri in June is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Rapid City to Missouri

Discover the top 2 airlines that operate flights from Rapid City to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$369FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$212Average$481FlexibilityNo cancel feeOn-time69%

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