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Missouri

$181+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — STL
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
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 May 4, 2026.

This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 5/2811:13 am
RAP
-
STL
1 stop4h 33m
Delta
Tue 6/25:36 pm
STL
-
RAP
1 stop5h 48m
Delta
Deal found 4/30$309
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 5/2810:21 am
RAP
-
STL
1 stop5h 12m
United Airlines
Sun 6/75:10 am
STL
-
RAP
1 stop5h 10m
United Airlines
Deal found 5/2$335
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 6/115:00 am
RAP
-
SGF
1 stop4h 43m
United Airlines
Tue 6/166:35 pm
SGF
-
RAP
1 stop5h 41m
United Airlines
Deal found 5/2$339
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 5/264:33 pm
RAP
-
STL
1 stop5h 48m
Delta
Wed 6/35:36 pm
STL
-
RAP
1 stop5h 48m
Delta
Deal found 4/30$354
This United Airlines deal was found by Cheapflights users on 4/30. 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 7/241:35 pm
RAP
-
STL
1 stop6h 51m
United Airlines
Wed 7/296:00 am
STL
-
RAP
1 stop5h 24m
United Airlines
Deal found 4/30$371
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:57 pm
RAP
-
SGF
1 stop16h 34m
Allegiant Air
Wed 5/202:47 pm
SGF
-
RAP
1 stop23h 52m
Allegiant Air
Deal found 5/1$378
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 8/2511:08 am
RAP
-
MCI
1 stop4h 11m
United Airlines
Sat 8/296:00 am
MCI
-
RAP
1 stop5h 12m
United Airlines
Deal found 4/30$389
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 8/295:00 am
RAP
-
SGF
1 stop4h 38m
United Airlines
Tue 9/15:40 am
SGF
-
RAP
1 stop4h 37m
United Airlines
Deal found 4/30$389
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 8/2210:13 am
RAP
-
STL
1 stop5h 18m
United Airlines
Tue 8/259:00 am
STL
-
RAP
1 stop4h 24m
United Airlines
Deal found 4/29$389
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 7/135:53 pm
RAP
-
STL
1 stop5h 04m
United Airlines
Mon 7/206:00 am
STL
-
RAP
1 stop5h 24m
United Airlines
Deal found 4/30$400
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 7/256:00 am
RAP
-
STL
1 stop5h 11m
United Airlines
Wed 7/294:48 pm
STL
-
RAP
1 stop6h 37m
United Airlines
Deal found 4/30$402
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 7/1412:35 pm
RAP
-
STL
2 stops7h 51m
United Airlines
Tue 7/215:10 am
STL
-
RAP
1 stop5h 09m
United Airlines
Deal found 4/30$409

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 May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$181
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$444
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. 13% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 4, 2026.
Use the filters below to find and compare flights from Rapid City to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 5/28

4:33 pm-11:21 pm

1 stop5h 48m

Lambert-St Louis

Tue 6/2

1:59 pm-10:24 pm

2 stops9h 25m

$314

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Thu 5/28

10:21 am-4:33 pm

1 stop5h 12m

Lambert-St Louis

Sun 6/7

5:10 am-9:20 am

1 stop5h 10m

$335

Rapid CitySpringfield

RAP - SGF

RAPSGF

Rapid City

Thu 6/11

5:00 am-10:43 am

1 stop4h 43m

Springfield-Branson

Tue 6/16

6:35 pm-11:16 pm

1 stop5h 41m

$339

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Tue 8/25

10:13 am-4:19 pm

1 stop5h 06m

Kansas City

Sat 8/29

6:00 am-10:12 am

1 stop5h 12m

$389

Rapid CityKansas City

RAP - MCI

RAPMCI

Rapid City

Sat 10/24

11:16 am-4:10 pm

1 stop3h 54m

Kansas City

Wed 10/28

6:00 am-10:53 am

1 stop5h 53m

$389

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Tue 5/26

1:35 pm-9:21 pm

1 stop6h 46m

Lambert-St Louis

Wed 6/3

5:10 am-9:20 am

1 stop5h 10m

$389
Quickest round-trip

Rapid CitySt. Louis

RAP - STL

RAPSTL

Rapid City

Sat 8/22

10:13 am-4:31 pm

1 stop5h 18m

Lambert-St Louis

Tue 8/25

9:00 am-12:24 pm

1 stop4h 24m

$389

Rapid CitySpringfield

RAP - SGF

RAPSGF

Rapid City

Sat 8/29

10:13 am-9:58 pm

2 stops10h 45m

Springfield-Branson

Tue 9/1

5:40 am-9:17 am

1 stop4h 37m

$459

Rapid CitySpringfield

RAP - SGF

RAPSGF

Rapid City

Fri 8/28

3:23 pm-10:45 pm

1 stop6h 22m

Springfield-Branson

Sun 8/30

6:00 am-9:49 am

1 stop4h 49m

$507

Rapid CitySpringfield

RAP - SGF

RAPSGF

Rapid City

Fri 8/28

10:13 am-9:58 pm

2 stops10h 45m

Springfield-Branson

Sun 8/30

5:40 am-9:17 am

1 stop4h 37m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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 $174). 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 May 4, 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
8,460 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.9
Good
8,460 reviews
Delta
7.9
Good
8,460 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
United Airlines
7.4
Good
9,680 reviews
Delta
7.9
Good
8,460 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 12m. Delta provides one of the quickest options available for as low as $335. Airlines will cover a distance of 751 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 $174). 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.

See more FAQs

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Alternative routes for Rapid City to Missouri

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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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$327FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$212Average$383FlexibilityNo cancel feeOn-time69%

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