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

STL — RAP
Feb 11 — Feb 181

The best prices from Lambert-St Louis to Rapid City are usually found in April or February, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

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 2023: compare St. Louis to Rapid City flight prices with the expected peak season, weather and rainfall in Rapid City.

STL - RAP

Price

$378 - $692

RAP

Temperature

24.8 - 73.4 °F

RAP

Rainfall

0.3 - 3.2 inches

Popular inJulyHigh demand for flights, 26% potential price rise
Cheapest inAprilBest time to find cheap flights, 26% potential price drop
Average price$408Average for round-trip flights in February 2023
Round-trip from$378From Lambert-St Louis to Rapid City

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 Saturday. 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.

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 37 days before your planned departure. Booking around this time can save you about 34% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $608 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $675.

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

The best pricing can be found in the month of April. Prices to Rapid City from St. Louis average $509. You can even find prices in April for less than $509, as users have found deals to Rapid City from as low as $338. The month of July 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 36%.

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 31% on your trip compared to booking a flight in the afternoon.

Cheap flights from St. Louis to Rapid City in February, March 2023

The best prices found for STL to RAP flights for February, March

St. Louis to Rapid City 2023 flight deals

Cheap flights to Rapid City from St. Louis found for this year

Cheap Delta flights from St. Louis to Rapid City

Cheap American Airlines flights from St. Louis to Rapid City

Reviews of Airlines Servicing Rapid City

Delta
7.9
Good
2,070 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 10

I would like to thank the exceptional flight attendants. I passed out on the plane and they helped me. Every single one was so caring. Thank you delta for having such a great crew.

Delta
7.9
Good
2,070 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 10

I would like to thank the exceptional flight attendants. I passed out on the plane and they helped me. Every single one was so caring. Thank you delta for having such a great crew.

United Airlines
7.6
Good
1,211 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 10

I would like to thank the exceptional flight attendants. I passed out on the plane and they helped me. Every single one was so caring. Thank you delta for having such a great crew.

American Airlines
7.4
Good
1,670 reviews
Delta
7.9
Good
2,070 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 10

I would like to thank the exceptional flight attendants. I passed out on the plane and they helped me. Every single one was so caring. Thank you delta for having such a great crew.

Related info for your journey

Useful info, stats and facts about St. Louis to Rapid City flights.

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 Multiple Airlines for just $436, but on average you can expect to pay $539.

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

According to our current data, Delta ($439), United Airlines ($524), and American Airlines ($575) offers the cheapest pricing from St. Louis to Rapid City. Delta is priced at 13% lower than the current average price of a flight leaving 3 months from now.

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.

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

On average you can expect to pay $675 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 $436.

Alternative routes for St. Louis to Rapid City

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

Top 3 airlines flying from 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
DeltaCheapest$348Average$488FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$357Average$533FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$397Average$593FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
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