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Rapid City

$175+ Cheap flights from St. Louis to Rapid City (STL - 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RAP
Feb 11 — Feb 181
Tue 2/11
Tue 2/18
1 adult, Economy
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The best prices from Lambert-St Louis to Rapid City are usually found in November or February, booked 59 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from St. Louis to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

One-way from

$175
(Delta)

Popular in

May

Cheapest in

November

Average price

$255
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 Lambert-St Louis to Rapid City
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One-way flight from Lambert-St Louis to Rapid City
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Highest demand for flights based on searches. 20% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from St. Louis to Rapid City

Cheapest flights from St. Louis to Rapid City
Explore the most affordable flight options available from St. Louis to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2025.

This Delta deal was found by Cheapflights users on 2/6. 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 2/276:00 amSTL - RAP
1 stop6h 04mDelta
Wed 3/511:49 amRAP - STL
1 stop4h 04mDelta
Deal found 2/6$249
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 6/125:29 amSTL - RAP
1 stop5h 47mAmerican Airlines
Tue 6/176:01 pmRAP - STL
1 stop4h 16mAmerican Airlines
Deal found 2/5$514
This United deal was found by Cheapflights users on 2/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/143:15 pmSTL - RAP
2 stops18h 49mUnited Airlines
Tue 8/195:30 amRAP - STL
2 stops7h 48mUnited Airlines
Deal found 2/5$588

Find flights from St. Louis to Rapid City within your budget

Customize your flight search to find flights from St. Louis 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 6, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 2/27

6:00 am-11:04 am

1 stop6h 04m

Rapid City

Wed 3/5

11:49 am-4:53 pm

1 stop4h 04m

$249

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 6/12

5:29 am-10:16 am

1 stop5h 47m

Rapid City

Tue 6/17

6:01 pm-11:17 pm

1 stop4h 16m

$514

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 7/18

5:18 pm-9:04 am

2 stops16h 46m

Rapid City

Sun 7/20

5:48 pm-8:59 pm

1 stop26h 11m

$644

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 4/18

6:00 am-11:05 am

1 stop6h 05m

$175

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 6/20

4:30 pm-10:00 pm

1 stop6h 30m

$220

St. LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sun 6/22

7:37 pm-4:33 pm

3 stops21h 56m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Compare providers for flights from St. Louis to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Rapid City in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Rapid City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from St. Louis 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.

Travel insights for flights from St. Louis to Rapid City

Get recent, data-driven insights about flights from St. Louis to Rapid City including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Rapid City. Price data was last updated on January 31, 2025.

The price you pay for your flight from St. Louis to Rapid City may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Rapid City?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Rapid City (average of $348). Flying from St. Louis to Rapid City in May is currently the most expensive (average of $594). 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 STL to RAP?

Find hourly flight availability from St. Louis 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 February 6, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Rapid City in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Rainfall in Rapid City by month

Plan your trip to Rapid City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

Temperature in Rapid City by month

Plan your trip to Rapid City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated February 6, 2025.
Delta
8.0
Very good
8,396 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,396 reviews
Delta
8.0
Very good
8,396 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,882 reviews
Delta
8.0
Very good
8,396 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,396 reviews

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 are the cheapest airlines flying from St. Louis to Rapid City round-trip?

    According to our current data, Delta ($249), American Airlines ($514), and United Airlines ($644) offers the cheapest pricing from St. Louis to Rapid City. Delta is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from St. Louis to Rapid City?

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

  • Can I find deals for business class flights from St. Louis to Rapid City?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Rapid City?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Rapid City (average of $348). Flying from St. Louis to Rapid City in May is currently the most expensive (average of $594). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Deadwood
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Keystone
Sturgis
Wall

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Alternative routes for St. Louis 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 St. Louis to Rapid City

Discover the top 3 airlines that operate flights from St. Louis 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 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$248Average$442FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$461FlexibilityNo cancel feeOn-time69%
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