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$154+ Cheap flights from Rapid City (RAP) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 11/1911:15 amRAP - STL
1 stop4h 13mUnited Airlines
Mon 11/249:00 amSTL - RAP
1 stop6h 43mUnited Airlines
Deal found 10/29$249
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/218:45 amRAP - STL
1 stop6h 43mUnited Airlines
Sun 11/234:43 pmSTL - RAP
1 stop6h 16mUnited Airlines
Deal found 10/29$273
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/141:30 pmRAP - SGF
1 stop7h 43mUnited Airlines
Tue 11/185:07 pmSGF - RAP
1 stop5h 52mUnited Airlines
Deal found 10/30$279
This Delta deal was found by Cheapflights users on 10/29. 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 11/134:25 pmRAP - STL
1 stop5h 58mDelta
Mon 11/175:34 pmSTL - RAP
1 stop6h 05mDelta
Deal found 10/29$279
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 12/54:25 pmRAP - STL
1 stop6h 04mDelta
Mon 12/85:34 pmSTL - RAP
1 stop6h 12mDelta
Deal found 10/30$285
This Delta deal was found by Cheapflights users on 10/30. 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 12/611:00 amRAP - STL
2 stops9h 57mDelta
Mon 12/86:00 amSTL - RAP
2 stops10h 45mDelta
Deal found 10/30$295
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/2010:22 amRAP - STL
1 stop5h 06mUnited Airlines
Wed 11/261:35 pmSTL - RAP
1 stop6h 08mUnited Airlines
Deal found 10/29$320
This Delta deal was found by Cheapflights users on 10/29. 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 11/2011:07 amRAP - STL
2 stops11h 37mDelta
Wed 11/266:00 amSTL - RAP
1 stop5h 27mDelta
Deal found 10/29$333
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/74:34 pmRAP - MCI
1 stop5h 27mDelta
Sun 11/910:37 amMCI - RAP
1 stop4h 34mDelta
Deal found 10/30$339
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/138:45 amRAP - MCI
1 stop6h 20mUnited Airlines
Mon 11/171:47 pmMCI - RAP
1 stop4h 13mUnited Airlines
Deal found 10/29$349
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/712:27 pmRAP - MCI
2 stops8h 23mUnited Airlines
Sun 11/96:00 amMCI - RAP
1 stop5h 34mUnited Airlines
Deal found 10/30$493
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/51:47 pmRAP - MCI
2 stops17h 51mAmerican Airlines
Mon 12/86:00 amMCI - RAP
2 stops16h 16mAmerican Airlines
Deal found 10/29$545

Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$154
(Kiwi.com)

Popular in

March

Cheapest in

December

Average price

$343
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
One-way flight from Rapid City to Missouri
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
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

Sat 2/28

6:20 am-2:17 pm

1 stop6h 57m

Kansas City

Mon 3/2

5:40 pm-10:14 pm

1 stop5h 34m

$249

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Tue 3/3

4:00 pm-11:10 pm

1 stop6h 10m

Lambert-St Louis

Sat 3/7

6:30 am-10:05 am

1 stop4h 35m

$249

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Wed 11/19

12:27 pm-10:45 pm

2 stops9h 18m

Lambert-St Louis

Mon 11/24

6:30 am-10:34 am

1 stop5h 04m

$254

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Fri 11/21

8:45 am-4:28 pm

1 stop6h 43m

Lambert-St Louis

Sun 11/23

4:43 pm-9:59 pm

1 stop6h 16m

$273

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 11/13

4:25 pm-11:23 pm

1 stop5h 58m

Lambert-St Louis

Mon 11/17

5:34 pm-10:39 pm

1 stop6h 05m

$279

Rapid CitySpringfield

RAP - SGF

RAPSGF

Rapid City

Fri 11/14

10:22 am-4:22 pm

1 stop5h 00m

Springfield-Branson

Tue 11/18

11:26 am-8:26 pm

2 stops10h 00m

$284

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Sat 12/6

6:05 am-12:14 pm

1 stop5h 09m

Lambert-St Louis

Mon 12/8

6:00 am-10:22 am

1 stop5h 22m

$285

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Fri 12/5

4:25 pm-11:29 pm

1 stop6h 04m

Lambert-St Louis

Mon 12/8

5:34 pm-10:46 pm

1 stop6h 12m

$285

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Wed 4/1

5:48 pm-11:37 pm

1 stop4h 49m

Kansas City

Sat 4/4

6:00 am-9:18 am

1 stop4h 18m

$319

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Sat 11/15

11:15 am-4:05 pm

1 stop3h 50m

Kansas City

Wed 11/19

5:11 pm-9:59 pm

1 stop5h 48m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 27 results
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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.

How much does it cost to fly round-trip from Rapid City to Missouri?

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 October 30, 2025.
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
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 5h. Delta provides one of the quickest options available for as low as $284. Airlines will cover a distance of 690 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Rapid City to Missouri one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $191. United Airlines flights start at $289 while deals on American Airlines start at $319 one-way.

  • 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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Alternative routes for Rapid City to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$212Average$488FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$310FlexibilityNo cancel feeOn-timeN/A

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