Rapid City

$241+ Cheap flights from Missouri to Rapid City (RAP)

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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RAP
Mar 18 — Mar 251
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Cheap flight deals from Missouri to Rapid City

Cheapest flights from Missouri to Rapid City
Explore the most affordable flight options available from Missouri to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.

This United Airlines deal was found by Cheapflights users on 2/13. 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 4/106:00 am
MCI
-
RAP
1 stop4h 23m
United Airlines
Mon 4/132:42 pm
RAP
-
MCI
1 stop4h 52m
United Airlines
Deal found 2/13$269
This Delta deal was found by Cheapflights users on 2/14. 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 3/199:45 am
STL
-
RAP
1 stop6h 33m
Delta
Sat 3/216:00 am
RAP
-
STL
1 stop4h 48m
Delta
Deal found 2/14$269
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/34:30 pm
STL
-
RAP
1 stop5h 14m
United Airlines
Tue 3/105:41 pm
RAP
-
STL
1 stop4h 53m
United Airlines
Deal found 2/15$274
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/35:02 pm
SGF
-
RAP
1 stop6h 14m
United Airlines
Sat 3/77:00 am
RAP
-
SGF
1 stop4h 46m
United Airlines
Deal found 2/15$279
This United Airlines deal was found by Cheapflights users on 2/15. 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 3/66:00 am
MCI
-
RAP
1 stop4h 10m
United Airlines
Sun 3/85:41 pm
RAP
-
MCI
1 stop4h 34m
United Airlines
Deal found 2/15$279
This Delta deal was found by Cheapflights users on 2/13. 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 2/286:10 am
STL
-
RAP
1 stop4h 55m
Delta
Wed 3/44:29 pm
RAP
-
STL
1 stop5h 54m
Delta
Deal found 2/13$279
This United Airlines deal was found by Cheapflights users on 2/13. 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 2/289:55 am
STL
-
RAP
2 stops9h 59m
United Airlines
Wed 3/42:52 pm
RAP
-
STL
1 stop4h 34m
United Airlines
Deal found 2/13$284
This United Airlines deal was found by Cheapflights users on 2/12. 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 2/275:02 pm
SGF
-
RAP
1 stop4h 42m
United Airlines
Tue 3/32:52 pm
RAP
-
SGF
1 stop4h 29m
United Airlines
Deal found 2/12$290
This United Airlines deal was found by Cheapflights users on 2/14. 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 3/56:00 am
MCI
-
RAP
1 stop4h 10m
United Airlines
Sun 3/85:41 pm
RAP
-
MCI
1 stop4h 34m
United Airlines
Deal found 2/14$291
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Wed 3/47:15 am
SGF
-
RAP
1 stop7h 36m
American Airlines
Wed 3/115:32 am
RAP
-
SGF
1 stop5h 03m
American Airlines
Deal found 2/14$339
This United Airlines deal was found by Cheapflights users on 2/12. 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 8/2911:25 am
MCI
-
RAP
1 stop6h 38m
United Airlines
Wed 9/25:48 pm
RAP
-
MCI
1 stop4h 49m
United Airlines
Deal found 2/12$339
This Delta deal was found by Cheapflights users on 2/15. 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 5/26:48 am
STL
-
RAP
2 stops9h 27m
Delta
Sat 5/911:10 am
RAP
-
STL
1 stop4h 39m
Delta
Deal found 2/15$339

Find flight deals from Missouri to Rapid City

Keep the following information in mind while searching for Missouri to Rapid City flight deals. Data was last updated February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$241
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$289
Provider with most accurate pricing for Lambert-St Louis-Rapid City flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Rapid City flights.
From Missouri to Rapid City
One-way flight from Missouri to Rapid City
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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, Cheapflights users made 2,558,603 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Missouri to Rapid City that are best for you.

Fly from

Missouri

Fly to

Rapid City

Route

Depart

Return

Price

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Fri 4/10

6:00 am-9:23 am

1 stop4h 23m

Rapid City

Mon 4/13

2:42 pm-8:34 pm

1 stop4h 52m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 3/19

9:45 am-3:18 pm

1 stop6h 33m

Rapid City

Sat 3/21

6:00 am-11:48 am

1 stop4h 48m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 5/2

5:35 pm-10:20 pm

1 stop5h 45m

Rapid City

Sat 5/9

4:30 pm-11:21 pm

1 stop5h 51m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 3/3

4:30 pm-8:44 pm

1 stop5h 14m

Rapid City

Tue 3/10

5:41 pm-11:34 pm

1 stop4h 53m

$274

SpringfieldRapid City

SGF - RAP

SGFRAP

Springfield-Branson

Tue 3/3

5:02 pm-10:16 pm

1 stop6h 14m

Rapid City

Sat 3/7

7:00 am-12:46 pm

1 stop4h 46m

$279

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 2/28

6:10 am-10:05 am

1 stop4h 55m

Rapid City

Wed 3/4

4:29 pm-11:23 pm

1 stop5h 54m

$279

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 2/28

9:55 am-6:54 pm

2 stops9h 59m

Rapid City

Wed 3/4

2:52 pm-8:26 pm

1 stop4h 34m

$284

SpringfieldRapid City

SGF - RAP

SGFRAP

Springfield-Branson

Fri 2/27

5:02 pm-8:44 pm

1 stop4h 42m

Rapid City

Tue 3/3

2:52 pm-8:21 pm

1 stop4h 29m

$290

SpringfieldRapid City

SGF - RAP

SGFRAP

Springfield-Branson

Wed 3/4

7:15 am-1:51 pm

1 stop7h 36m

Rapid City

Wed 3/11

5:32 am-11:35 am

1 stop5h 03m

$339

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 6/20

5:15 am-9:19 am

1 stop5h 04m

Rapid City

Sat 6/27

1:41 pm-9:11 pm

1 stop6h 30m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 23 results
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Best time to book a flight from Missouri to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Missouri 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 Missouri to Rapid City

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

Currently, September is the cheapest month in which you can book a flight from Missouri to Rapid City (average of $156). Flying from Missouri to Rapid City in December is currently the most expensive (average of $323). 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 Missouri to Rapid City?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Rapid City. 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 into for flights to Rapid City from Missouri?

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

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

    Departing from Missouri to Rapid City will take you 4h 23m. The distance from Missouri to Rapid City is about 540 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Rapid City 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 Missouri to Rapid City?

    Currently, September is the cheapest month in which you can book a flight from Missouri to Rapid City (average of $156). Flying from Missouri to Rapid City in December is currently the most expensive (average of $323). 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.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

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Alternative routes for Missouri to Rapid City

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Missouri to Rapid City

Discover the top 3 airlines that operate flights from Missouri to Rapid City. 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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$308FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$424FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$400FlexibilityNo cancel feeOn-time69%

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