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Rapid City

$239+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RAP
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

One-way from

$239
(Delta)

Popular in

December

Cheapest in

November

Average price

$248
Provider with most accurate pricing for Lambert-St Louis-Rapid City flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Rapid City flights.
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From Missouri to Rapid City
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One-way flight from Missouri to Rapid City
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 3, 2025.

This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 11/186:00 amSTL - RAP
1 stop5h 27mDelta
Sat 11/224:25 pmRAP - STL
1 stop5h 57mDelta
Deal found 11/3$279
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/611:30 amMCI - RAP
1 stop6h 30mUnited Airlines
Sun 11/97:10 amRAP - MCI
1 stop4h 35mUnited Airlines
Deal found 11/3$369
This Delta deal was found by Cheapflights users on 11/3. 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 12/35:34 pmSTL - RAP
1 stop6h 12mDelta
Fri 12/54:25 pmRAP - STL
1 stop6h 04mDelta
Deal found 11/3$371
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/811:26 amSGF - RAP
2 stops10h 00mUnited Airlines
Sat 11/153:18 pmRAP - SGF
1 stop4h 33mUnited Airlines
Deal found 11/3$377
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/185:11 pmMCI - RAP
1 stop5h 48mUnited Airlines
Sat 11/228:45 amRAP - MCI
1 stop6h 20mUnited Airlines
Deal found 11/3$394
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Mon 11/171:35 pmSGF - RAP
1 stop6h 08mUnited Airlines
Fri 11/2112:27 pmRAP - SGF
1 stop7h 24mUnited Airlines
Deal found 11/2$401
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/265:10 pmMCI - RAP
1 stop4h 16mUnited Airlines
Sat 11/298:45 amRAP - MCI
1 stop6h 20mUnited Airlines
Deal found 11/3$405
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/316:00 amMCI - RAP
1 stop5h 30mUnited Airlines
Sat 1/311:11 amRAP - MCI
1 stop3h 56mUnited Airlines
Deal found 11/2$478
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/289:00 amSTL - RAP
1 stop4h 40mUnited Airlines
Mon 12/13:18 pmRAP - STL
1 stop5h 36mUnited Airlines
Deal found 11/2$485
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/141:40 pmMCI - RAP
1 stop6h 14mUnited Airlines
Fri 12/196:05 pmRAP - MCI
1 stop25h 04mUnited Airlines
Deal found 11/3$499
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 11/1110:37 amMCI - RAP
1 stop4h 34mDelta
Thu 11/132:51 pmRAP - MCI
1 stop7h 15mDelta
Deal found 11/3$511
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/276:30 amSTL - RAP
1 stop5h 04mUnited Airlines
Sun 11/3011:15 amRAP - STL
1 stop11h 29mUnited Airlines
Deal found 11/3$532

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 November 3, 2025.
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 2/20

6:44 am-1:51 pm

1 stop8h 07m

Rapid City

Tue 2/24

5:38 am-1:09 pm

1 stop6h 31m

$249

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Tue 3/3

5:40 pm-10:14 pm

1 stop5h 34m

Rapid City

Sat 3/7

4:00 pm-11:04 pm

1 stop6h 04m

$249

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 11/18

6:00 am-10:27 am

1 stop5h 27m

Rapid City

Sat 11/22

4:25 pm-11:22 pm

1 stop5h 57m

$279

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 1/15

6:10 am-10:13 am

1 stop5h 03m

Rapid City

Mon 1/19

4:10 pm-11:25 pm

1 stop6h 15m

$294

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 1/15

11:20 am-7:19 pm

2 stops8h 59m

Rapid City

Mon 1/19

2:40 pm-8:58 pm

1 stop5h 18m

$347

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Tue 3/3

9:12 am-1:13 pm

1 stop5h 01m

Rapid City

Sat 3/7

2:52 pm-8:04 pm

1 stop4h 12m

$364

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 12/3

5:34 pm-10:46 pm

1 stop6h 12m

Rapid City

Fri 12/5

4:25 pm-11:29 pm

1 stop6h 04m

$371

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 3/7

6:35 am-3:25 pm

2 stops9h 50m

Rapid City

Wed 3/11

10:40 am-4:50 pm

1 stop5h 10m

$379

Kansas CityRapid City

MCI - RAP

MCIRAP

Kansas City

Tue 11/18

5:11 pm-9:59 pm

1 stop5h 48m

Rapid City

Sat 11/22

8:45 am-4:05 pm

1 stop6h 20m

$394

SpringfieldRapid City

SGF - RAP

SGFRAP

Springfield-Branson

Mon 11/17

1:35 pm-6:43 pm

1 stop6h 08m

Rapid City

Fri 11/21

12:27 pm-8:51 pm

1 stop7h 24m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 21 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 $317). 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.

What is the cheapest time of day to fly from MO to RAP?

Find hourly flight availability from Missouri to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Rapid City in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the morning.

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 5h 34m. 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?

    The most popular route from Missouri to Rapid City is Lambert-St Louis - Rapid City. You may also consider Kansas City - Rapid City or Springfield-Branson - 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 $317). 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
Deadwood
Keystone
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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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$300FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$507FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$416FlexibilityNo cancel feeOn-time69%

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