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Rapid City

$240+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RAP
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

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 2/252:45 pm
STL
-
RAP
1 stop6h 59m
United Airlines
Wed 3/48:30 am
RAP
-
STL
1 stop7h 28m
United Airlines
Deal found 1/28$269
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.
Wed 2/116:10 am
STL
-
RAP
1 stop5h 01m
Delta
Sun 2/154:29 pm
RAP
-
STL
1 stop5h 54m
Delta
Deal found 1/27$279
This American Airlines deal was found by Cheapflights users on 1/29. 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 5/17:05 am
STL
-
RAP
1 stop5h 09m
American Airlines
Wed 5/61:08 pm
RAP
-
STL
1 stop5h 22m
American Airlines
Deal found 1/29$304
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.
Thu 2/126:23 am
MCI
-
RAP
1 stop4h 46m
Delta
Sun 2/154:29 pm
RAP
-
MCI
1 stop5h 31m
Delta
Deal found 1/28$309
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 1/286:00 pm
STL
-
RAP
1 stop5h 29m
United Airlines
Wed 3/48:30 am
RAP
-
STL
1 stop7h 28m
United Airlines
Deal found 1/28$319
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
STL
-
RAP
1 stop5h 19m
United Airlines
Tue 6/21:41 pm
RAP
-
STL
1 stop6h 30m
United Airlines
Deal found 1/26$323
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.
Thu 5/217:08 pm
MCI
-
RAP
1 stop4h 16m
United Airlines
Sun 5/2410:13 am
RAP
-
MCI
1 stop7h 14m
United Airlines
Deal found 1/28$339
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 2/214:30 pm
STL
-
RAP
1 stop5h 14m
United Airlines
Wed 2/2512:25 pm
RAP
-
STL
1 stop7h 01m
United Airlines
Deal found 1/28$339
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:18 pm
SGF
-
RAP
1 stop5h 41m
American Airlines
Sun 8/234:42 pm
RAP
-
SGF
1 stop6h 11m
American Airlines
Deal found 1/28$349
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.
Mon 2/235:37 pm
MCI
-
RAP
1 stop5h 50m
Delta
Fri 2/274:29 pm
RAP
-
MCI
1 stop5h 31m
Delta
Deal found 1/26$350
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.
Mon 2/166:10 am
STL
-
RAP
1 stop4h 59m
Delta
Fri 2/204:29 pm
RAP
-
STL
1 stop5h 54m
Delta
Deal found 1/27$351
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.
Thu 5/217:08 pm
MCI
-
RAP
1 stop4h 16m
United Airlines
Mon 5/255:53 pm
RAP
-
MCI
1 stop4h 34m
United Airlines
Deal found 1/28$394

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$240
(American Airlines)

Popular in

January

Cheapest in

August

Average price

$555
Provider with most accurate pricing for Lambert-St Louis-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Rapid City flights.
Search Deals
From Missouri to Rapid City
Search Deals
One-way flight from Missouri to Rapid City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 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 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 January 29, 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

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 2/25

2:45 pm-8:44 pm

1 stop6h 59m

Rapid City

Wed 3/4

8:30 am-4:58 pm

1 stop7h 28m

$269

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 2/11

6:10 am-10:11 am

1 stop5h 01m

Rapid City

Sun 2/15

4:29 pm-11:23 pm

1 stop5h 54m

$279

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 2/12

6:10 am-10:09 am

1 stop4h 59m

Rapid City

Mon 2/16

4:29 pm-11:23 pm

1 stop5h 54m

$279

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Thu 2/12

6:23 am-10:09 am

1 stop4h 46m

Rapid City

Sun 2/15

4:29 pm-11:00 pm

1 stop5h 31m

$309

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 2/21

4:30 pm-10:16 pm

1 stop6h 46m

Rapid City

Wed 2/25

10:55 am-4:58 pm

1 stop5h 03m

$339

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Mon 2/23

5:37 pm-10:27 pm

1 stop5h 50m

Rapid City

Fri 2/27

4:29 pm-11:00 pm

1 stop5h 31m

$350

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Tue 2/3

9:05 am-1:12 pm

1 stop5h 07m

Rapid City

Sat 2/7

10:45 am-9:59 pm

2 stops10h 14m

$414

SpringfieldRapid City

SGF - RAP

SGFRAP

Springfield-Branson

Wed 3/4

9:55 am-1:51 pm

1 stop4h 56m

Rapid City

Wed 3/11

5:32 am-11:35 am

1 stop5h 03m

$425

SpringfieldRapid City

SGF - RAP

SGFRAP

Springfield-Branson

Wed 3/4

5:02 pm-8:44 pm

1 stop4h 42m

Rapid City

Wed 3/11

12:00 pm-9:59 pm

2 stops8h 59m

$429

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Wed 2/11

8:00 am-3:22 pm

2 stops8h 22m

Rapid City

Sun 2/15

5:20 am-12:48 pm

1 stop6h 28m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 20 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 56m. The distance from Missouri to Rapid City is about 690 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?

    The most popular route from Missouri to Rapid City is Kansas City - Rapid City. You may also consider Springfield-Branson - Rapid City or Lambert-St Louis - 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.
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O'Hare Intl to Rapid City flights
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Philadelphia to Rapid City flights
Charlotte to Rapid City flights
Austin to Sioux Falls flights
Midway to Sioux Falls flights
Denver to Rapid City flights
Raleigh to Rapid City flights
Sky Harbor Intl to Rapid City flights
John F Kennedy Intl to Rapid City flights
San Francisco to Rapid City flights
Baltimore to Sioux Falls flights
Orlando to Rapid City flights
Boston to Rapid City flights
Reagan-National to Sioux Falls flights
San Francisco to Sioux Falls flights
Dulles Intl to Sioux Falls flights
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$306FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$400FlexibilityNo cancel feeOn-time69%

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