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Cheap flight deals from St. Louis to Rapid City Starting at PHP 10,124

Whether you’re going for a one-way or round-trip to Rapid City, we’ve got you covered! Check out these different flight options from St. Louis below.

  • One way
  • Round-trip
      • STL11:19
        5h 16m
        1 stop
        RAP15:35
        Wed, Apr 9|St. Louis - Rapid City|Delta Air Lines
        PHP 10,124PHP 17,037
        41% OFF
        41% OFF
        PHP 17,037PHP 10,124

        Choose Delta Air Lines flights from St. Louis to Rapid City. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Wed, Apr 9, arriving at Rapid City Regional Airport. One-way Prices start from PHP 10,124 including taxes and charges.

      • STL06:00
        6h 4m
        1 stop
        RAP11:04
        Sun, Mar 9|St. Louis - Rapid City|Delta Air Lines
        PHP 10,132PHP 17,037
        41% OFF
        41% OFF
        PHP 17,037PHP 10,132

        Choose Delta Air Lines flights from St. Louis to Rapid City. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sun, Mar 9, arriving at Rapid City Regional Airport. One-way Prices start from PHP 10,132 including taxes and charges.

      • STL06:00
        6h 5m
        1 stop
        RAP11:05
        Sun, Apr 20|St. Louis - Rapid City|Delta Air Lines
        PHP 10,132PHP 17,037
        41% OFF
        41% OFF
        PHP 17,037PHP 10,132

        Choose Delta Air Lines flights from St. Louis to Rapid City. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sun, Apr 20, arriving at Rapid City Regional Airport. One-way Prices start from PHP 10,132 including taxes and charges.

      • STL17:33
        5h 57m
        1 stop
        RAP22:30
        Sat, May 3|St. Louis - Rapid City|Delta Air Lines
        PHP 10,148
        PHP 10,148

        Choose Delta Air Lines flights from St. Louis to Rapid City. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sat, May 3, arriving at Rapid City Regional Airport. One-way Prices start from PHP 10,148 including taxes and charges.

      • STL18:53
        26h 33m
        1 stop
        RAP20:26
        Sat, May 3|St. Louis - Rapid City|Frontier Airlines
        PHP 11,241
        PHP 11,241

        Choose Frontier Airlines flights from St. Louis to Rapid City. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, May 3, arriving at Rapid City Regional Airport. One-way Prices start from PHP 11,241 including taxes and charges.

      • STL07:00
        5h 6m
        1 stop
        RAP11:06
        Thu, Mar 6|St. Louis - Rapid City|United Airlines
        PHP 12,062
        PHP 12,062

        Choose United Airlines flights from St. Louis to Rapid City. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Thu, Mar 6, arriving at Rapid City Regional Airport. One-way Prices start from PHP 12,062 including taxes and charges.

      • STL13:41
        6h 37m
        1 stop
        RAP19:18
        Sat, May 3|St. Louis - Rapid City|United Airlines
        PHP 12,214
        PHP 12,214

        Choose United Airlines flights from St. Louis to Rapid City. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sat, May 3, arriving at Rapid City Regional Airport. One-way Prices start from PHP 12,214 including taxes and charges.

      • STL06:30
        5h 22m
        1 stop
        RAP10:52
        Wed, Apr 9|St. Louis - Rapid City|United Airlines
        PHP 12,222
        PHP 12,222

        Choose United Airlines flights from St. Louis to Rapid City. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Wed, Apr 9, arriving at Rapid City Regional Airport. One-way Prices start from PHP 12,222 including taxes and charges.

      • STL18:51
        25h 3m
        1 stop
        RAP18:54
        Fri, Apr 11|St. Louis - Rapid City|Frontier Airlines
        PHP 12,541
        PHP 12,541

        Choose Frontier Airlines flights from St. Louis to Rapid City. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Fri, Apr 11, arriving at Rapid City Regional Airport. One-way Prices start from PHP 12,541 including taxes and charges.

      • STL17:00
        6h 34m
        1 stop
        RAP22:34
        Sat, Mar 15|St. Louis - Rapid City|Delta Air Lines
        PHP 12,788
        PHP 12,788

        Choose Delta Air Lines flights from St. Louis to Rapid City. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sat, Mar 15, arriving at Rapid City Regional Airport. One-way Prices start from PHP 12,788 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        RAP02:00 pm
        Wed, Feb 26|St. Louis - Rapid City|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Rapid City flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2261

    American Airlines

    05:10

    STL

    2.0h

    07:11

    DFW

    S-TWTFS
    Search

  2. AA3649

    American Airlines

    10:21

    DFW

    2.5h

    11:53

    RAP

    SMTWTFS

  3. DL1597

    Delta Air Lines

    06:30

    STL

    1.5h

    08:02

    MSP

    SMTWTFS
    Search

  4. DL4832

    Delta Air Lines

    10:05

    MSP

    2.0h

    11:08

    RAP

    SMTWTFS

  5. UA2135

    United Airlines

    08:20

    STL

    2.5h

    09:53

    DEN

    SMTWTFS
    Search

  6. UA4800

    United Airlines

    11:15

    DEN

    1.4h

    12:40

    RAP

    SMTWTFS

  7. UA2135

    United Airlines

    08:20

    STL

    2.5h

    09:53

    DEN

    SMTWTFS
    Search

  8. UA5862

    United Airlines

    09:50

    DEN

    1.3h

    11:08

    RAP

    SMTWTFS

  9. DL952

    Delta Air Lines

    10:24

    STL

    1.6h

    11:59

    MSP

    SMTWTFS
    Search

  10. DL4834

    Delta Air Lines

    14:40

    MSP

    1.9h

    15:37

    RAP

    SMTWTFS

  11. UA4426

    United Airlines

    10:39

    STL

    1.4h

    12:05

    ORD

    SMTWTFS
    Search

  12. UA1588

    United Airlines

    14:35

    ORD

    2.9h

    16:30

    DEN

    SMTWTFS

  13. UA5580

    United Airlines

    17:59

    DEN

    1.3h

    19:18

    RAP

    SMTWTFS

  14. UA2625

    United Airlines

    13:41

    STL

    2.5h

    15:10

    DEN

    SMTWTFS
    Search

  15. UA5303

    United Airlines

    21:00

    DEN

    1.3h

    22:16

    RAP

    SMTWT-S

  16. UA2625

    United Airlines

    13:41

    STL

    2.5h

    15:10

    DEN

    SMTWTFS
    Search

  17. UA5580

    United Airlines

    17:59

    DEN

    1.3h

    19:18

    RAP

    SMTWTFS

  18. UA1004

    United Airlines

    16:30

    STL

    2.3h

    17:50

    DEN

    SMTWTFS
    Search

  19. UA514

    United Airlines

    20:20

    DEN

    1.3h

    21:36

    RAP

    SMTWTFS

  20. DL1243

    Delta Air Lines

    17:30

    STL

    1.7h

    19:14

    MSP

    SMTWT-S
    Search

  21. DL4837

    Delta Air Lines

    21:48

    MSP

    1.9h

    22:41

    RAP

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Rapid City?

These price trend charts carefully monitor and predict how flight prices from St. Louis to Rapid City will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to Rapid City (RAP) the cheapest?

    Airlines adjust prices for flights from St. Louis to Rapid City based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Rapid City (RAP) cost?

    According to Trip.com's data, the lowest price is around PHP 24,611.

  • What is the transportation method from the main airport to downtown in Rapid City?

    • The distance from Rapid City Regional Airport to downtown is about 14 km, by taxi about 30 minutes.

  • What's the most popular airline for non-stop flights from St. Louis (STL) to Rapid City (RAP)?

    United Airlines operates 1 non-stop flights from St. Louis (STL) to Rapid City (RAP).

  • How many airports are there in Rapid City (RAP)?

    There are 1 airport(s) near Rapid City (RAP): Rapid City Regional Airport.

How to find a cheap flight from St. Louis to Rapid City

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Being flexible with your dates to get the cheapest St. Louis to Rapid City ticket.
Tap "Date" on flight search bar to scan through the calender for St. Louis to Rapid City airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Apr 9 at PHP 10124 for one-way flights.
2
Compare cheap St. Louis to Rapid City flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from St. Louis to Rapid City. The cheapest airline operating is Delta Air Lines.
3
Set up a Price Alert
By setting up a Price Alert for your St. Louis to Rapid City route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap St. Louis to Rapid City flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from St. Louis to Rapid City to get exclusive deals for you.

Flight Info | St. Louis to Rapid City

Cheapest direct flight pricePHP 10,123
Off-season for travelMay
Peak season for travelFebruary
Flight distance1,229.71 km
Popular airlineDelta Air Lines

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