Cheap flights from St. Louis to Rapid City (STL - RAP)

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The best prices from Lambert-St Louis to Rapid City are usually found in October or April, booked 39 days in advance, depart on a Wednesday or Tuesday and return on a Friday

How to find the cheapest flight from
St. Louis (STL) to Rapid City (RAP)

All the information you need to plan the best STL to RAP flight in 2022: compare St. Louis to Rapid City flight prices with the expected peak season, weather and rainfall in Rapid City.
STL - RAP
Price
$373 - $598
RAP
Temperature
24.8 - 73.4 °F
RAP
Rainfall
0.3 - 3.2 inches

Popular in

December

High demand for flights, 27% potential price rise

Cheapest in

October

Best time to find cheap flights, 14% potential price drop

Round-trip from

$373

From Lambert-St Louis to Rapid City

One-way from

$269

One-way flight from Lambert-St Louis to Rapid City

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St. Louis to Rapid City?

Flights from St. Louis to Rapid City are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Rapid City.

When is the cheapest time to fly from St. Louis to Rapid City (STL - RAP)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Rapid City at noon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

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

To save on the cost of your flight from St. Louis to Rapid City, book at least 38 days before your planned departure. Booking around this time can save you about 43% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $500 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $593.

What is the cheapest month to fly from St. Louis to Rapid City?

The best pricing can be found in the month of October. Prices to Rapid City from St. Louis average $434. You can even find prices in October for less than $434, as users have found deals to Rapid City from as low as $328. The month of December appears to be one of the more expensive times to travel to Rapid City from St. Louis. Flying in the targeted month can save you up to 37%.

Cheap flights from St. Louis to Rapid City in June, July 2022

The best prices found for STL to RAP flights for June, July
18 Jul - 22 Jul
$480pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
RAP
Rapid City
RAP
Rapid City
American Airlines
 
1 STOP
STL
Lambert-St Louis
16 Jul - 19 Jul
$500pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
RAP
Rapid City
RAP
Rapid City
American Airlines
 
1 STOP
STL
Lambert-St Louis
18 Jul - 22 Jul
$506pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
RAP
Rapid City
RAP
Rapid City
American Airlines
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis to Rapid City 2022 flight deals

Cheap flights to Rapid City from St. Louis found for this year
4 Oct - 10 Oct
$458pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
RAP
Rapid City
RAP
Rapid City
United Airlines
 
1 STOP
STL
Lambert-St Louis
4 Oct - 10 Oct
$462pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
RAP
Rapid City
RAP
Rapid City
United Airlines
 
1 STOP
STL
Lambert-St Louis
13 Aug - 20 Aug
$469pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
RAP
Rapid City
RAP
Rapid City
American Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St. Louis to Rapid City

Late deals on round-trip flights to Rapid City from St. Louis, departing today and this week
2 Jul - 10 Jul
$597pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
RAP
Rapid City
RAP
Rapid City
American Airlines
 
1 STOP
STL
Lambert-St Louis
2 Jul - 10 Jul
$603pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
RAP
Rapid City
RAP
Rapid City
American Airlines
 
1 STOP
STL
Lambert-St Louis
2 Jul - 10 Jul
$1,337pp
STL
Lambert-St Louis
Delta
   
2 STOPS
RAP
Rapid City
RAP
Rapid City
Delta
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Rapid City from St. Louis

The cheapest one-way flights from St. Louis to Rapid City
2:20 am - 6:56 am
Delta
1 Stop
5h 36m
STL - RAP
Delta
$269
Delta
2:10 am - 4:32 pm
American Airlines
2 Stops
15h 22m
STL - RAP
American Airlines
8:50 am - 5:45 pm
Multiple Airlines
3 Stops
33h 55m
STL - RAP
Multiple Airlines
$392
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Rapid City</span> flights.

Flight FAQs

From St. Louis to Rapid City

Which airlines flying from Lambert-St Louis to Rapid City have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Rapid City that may be offering flexible cancellation policies are United Airlines, American Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St. Louis to Rapid City for under $500 on Cheapflights?

Yes, there are multiple flights from St. Louis to Rapid City for under $500. The cheapest flight booked recently is on United Airlines for just $458, but on average you can expect to pay $545.

Are there last-minute flights available from St. Louis to Rapid City for under $600?

There are currently 3+ open flights from St. Louis to Rapid City within the next 7 days for less than $600.

What are the cheapest airlines flying from St. Louis to Rapid City round-trip?

According to our current data, United Airlines ($458), American Airlines ($469), and Delta ($1,067) offers the cheapest pricing from St. Louis to Rapid City.

What are the cheapest airlines to fly from St. Louis to Rapid City one-way?

One-way options have recently been found by users for as low as $268 on American Airlines. Other airlines that offer cheap prices include Delta from $269 and United Airlines from $473 one-way.

What are the cheapest flights from St. Louis to Rapid City?

On average you can expect to pay $713 for a flight from St. Louis to Rapid City. The cheapest flight overall is $380 while the most popular route, (Lambert-St Louis - Rapid City) is currently priced at $508.

What are the most popular airlines that fly from St. Louis to Rapid City?

When booking a flight from St. Louis to Rapid City, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Rapid City, SD

Do I need a COVID test to fly to Rapid City from St. Louis?

Information is based on travel restrictions for travel to Rapid City within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Rapid City.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Rapid City.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Rapid City.

Do I need a test to fly back to St. Louis from Rapid City?

Returning to Lambert-St Louis from Rapid City

COVID-19 testing requirements
Visitors from Rapid City are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Rapid City are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Rapid City, SD

Alternative routes for St. Louis to Rapid City

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

Destination information for Rapid City

Things to know before you go - useful duration and weather info for your trip from St. Louis to Rapid City.
Average temperature for June in Rapid City
78.8 °F
Avg rainfall for June in Rapid City
2.5 ″

Airports servicing St. Louis

Airports servicing Rapid City

Top 3 airlines flying from Lambert-St Louis to Rapid City

The chart below displays the airlines Cheapflights users traveling from St. Louis to Rapid City choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$318 $397 No cancel fee 69%
American Airlines
$324 $478 No cancel fee 71%
Delta
$339 $458 No cancel fee N/A
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