Cheap flights from St. Louis to Rapid City (STL - RAP) from $217

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Rapid City departing on 3/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — RAP
Mar 5 — Mar 121

The best prices from Lambert-St Louis to Rapid City are usually found in October or January, booked 84 days in advance, depart on a Saturday or Monday and return on a Tuesday

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 29, 2024.

Popular in

February

Cheapest in

October

Round-trip from

$364

One-way from

$304
High demand for flights, 26% potential price rise
Best time to find cheap flights, 23% potential price drop
From Lambert-St Louis to Rapid City
One-way flight from 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 44 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $482 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $600.

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 $566. You can even find prices in October for less than $566, as users have found deals to Rapid City from as low as $254. The month of February 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 35%.

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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

Cheap United Airlines flights from St. Louis to Rapid City

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Rapid City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from St. Louis to Rapid City. Make sure to double check the flight details before booking.
Sat 4/138:47 amSTL - RAP
1 stop7h 07mUnited Airlines
Tue 4/168:40 amRAP - STL
1 stop6h 58mUnited Airlines
Deal found 2/27$318
Sat 4/134:49 pmSTL - RAP
1 stop4h 43mUnited Airlines
Tue 4/1611:09 amRAP - STL
2 stops22h 05mUnited Airlines
Deal found 2/27$371
Sat 4/204:49 pmSTL - RAP
1 stop6h 24mUnited Airlines
Mon 4/226:00 pmRAP - STL
1 stop26h 52mUnited Airlines
Deal found 2/28$401
Sat 4/204:49 pmSTL - RAP
1 stop6h 24mUnited Airlines
Mon 4/226:00 pmRAP - STL
2 stops15h 14mUnited Airlines
Deal found 2/28$402
Fri 4/195:25 pmSTL - RAP
1 stop17h 48mUnited Airlines
Sun 4/2111:09 amRAP - STL
1 stop4h 20mUnited Airlines
Deal found 2/28$457
Tue 3/265:30 pmSTL - RAP
2 stops20h 00mUnited Airlines
Sat 3/301:26 pmRAP - STL
1 stop6h 37mUnited Airlines
Deal found 2/28$459
Fri 4/195:25 pmSTL - RAP
2 stops20h 07mUnited Airlines
Sun 4/2111:09 amRAP - STL
1 stop4h 20mUnited Airlines
Deal found 2/28$528
Tue 5/141:37 pmSTL - RAP
1 stop9h 36mUnited Airlines
Tue 5/218:37 amRAP - STL
2 stops24h 21mUnited Airlines
Deal found 2/29$629
Sat 6/84:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/165:59 pmRAP - STL
2 stops20h 42mUnited Airlines
Deal found 2/28$694

Cheap American Airlines flights from St. Louis to Rapid City

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Rapid City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from St. Louis to Rapid City. Deals frequently update to provide users with more options.
Sat 6/85:29 amSTL - RAP
1 stop6h 06mAmerican Airlines
Sun 6/162:37 pmRAP - STL
1 stop6h 26mAmerican Airlines
Deal found 2/28$520
Sat 4/1310:41 amSTL - RAP
2 stops10h 52mAmerican Airlines
Tue 4/166:00 amRAP - STL
2 stops11h 02mAmerican Airlines
Deal found 2/27$559
Thu 6/135:29 amSTL - RAP
1 stop6h 06mAmerican Airlines
Sun 6/162:37 pmRAP - STL
1 stop6h 26mAmerican Airlines
Deal found 2/28$565
Sat 4/207:10 amSTL - RAP
2 stops14h 23mAmerican Airlines
Mon 4/2212:19 pmRAP - STL
2 stops20h 20mAmerican Airlines
Deal found 2/28$568
Tue 3/269:17 amSTL - RAP
2 stops12h 24mAmerican Airlines
Sat 3/305:55 amRAP - STL
2 stops12h 25mAmerican Airlines
Deal found 2/28$615
Fri 6/145:29 amSTL - RAP
1 stop6h 06mAmerican Airlines
Fri 6/2111:15 amRAP - STL
1 stop7h 14mAmerican Airlines
Deal found 2/28$701
Fri 4/1912:20 pmSTL - RAP
2 stops9h 13mAmerican Airlines
Sun 4/216:00 amRAP - STL
2 stops8h 43mAmerican Airlines
Deal found 2/28$736
Tue 5/145:55 amSTL - RAP
2 stops11h 03mAmerican Airlines
Tue 5/2112:26 pmRAP - STL
2 stops9h 56mAmerican Airlines
Deal found 2/28$738
Thu 6/135:29 amSTL - RAP
1 stop6h 06mAmerican Airlines
Sun 6/166:00 amRAP - STL
2 stops10h 22mAmerican Airlines
Deal found 2/28$742

Cheap St. Louis to Rapid City flights in February & March 2024

Find cheap flight options from St. Louis to Rapid City specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Prices were last updated on February 29, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Rapid City in 2024. For more flight deals, be sure to check back very soon.
Tue 3/264:34 pmSTL - RAP
1 stop4h 59mUnited Airlines
Sat 3/301:26 pmRAP - STL
1 stop6h 37mUnited Airlines
Deal found 2/28$318
Tue 3/265:30 pmSTL - RAP
2 stops20h 00mUnited Airlines
Sat 3/301:26 pmRAP - STL
1 stop6h 37mUnited Airlines
Deal found 2/28$459
Tue 3/269:17 amSTL - RAP
2 stops12h 24mAmerican Airlines
Sat 3/305:55 amRAP - STL
2 stops12h 25mAmerican Airlines
Deal found 2/28$615

St. Louis to Rapid City 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Rapid City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Rapid City in 2024. For more flight deals, be sure to check back very soon.
Sat 4/138:47 amSTL - RAP
1 stop7h 07mUnited Airlines
Tue 4/168:40 amRAP - STL
1 stop6h 58mUnited Airlines
Deal found 2/27$318
Sat 4/135:25 pmSTL - RAP
2 stops18h 32mDelta
Tue 4/164:22 pmRAP - STL
1 stop3h 55mDelta
Deal found 2/28$357
Sat 4/134:49 pmSTL - RAP
1 stop4h 43mUnited Airlines
Tue 4/1611:09 amRAP - STL
2 stops22h 05mUnited Airlines
Deal found 2/27$371
Sat 4/204:49 pmSTL - RAP
1 stop6h 24mUnited Airlines
Mon 4/226:00 pmRAP - STL
1 stop26h 52mUnited Airlines
Deal found 2/28$401
Sat 4/204:49 pmSTL - RAP
1 stop6h 24mUnited Airlines
Mon 4/226:00 pmRAP - STL
2 stops15h 14mUnited Airlines
Deal found 2/28$402
Sat 4/136:30 amSTL - RAP
2 stops17h 08mDelta
Tue 4/1611:49 amRAP - STL
2 stops8h 34mDelta
Deal found 2/28$427
Fri 4/195:25 pmSTL - RAP
1 stop17h 48mUnited Airlines
Sun 4/2111:09 amRAP - STL
1 stop4h 20mUnited Airlines
Deal found 2/28$457
Tue 3/265:30 pmSTL - RAP
2 stops20h 00mUnited Airlines
Sat 3/301:26 pmRAP - STL
1 stop6h 37mUnited Airlines
Deal found 2/28$459
Tue 5/145:37 pmSTL - RAP
1 stop5h 57mDelta
Tue 5/216:40 amRAP - STL
1 stop6h 40mDelta
Deal found 2/29$514

One-way flights to Rapid City from St. Louis

Search for one-way flight options from St. Louis to Rapid City. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Rapid City. Users needing a return flight from St. Louis to Rapid City should utilize the search form above.
Sat 3/304:30 pmSTL - RAP
1 stop25h 30mUnited Airlines
Deal found 2/27$217
Tue 4/25:25 pmSTL - RAP
2 stops28h 07mUnited Airlines
Deal found 2/27$236
Wed 4/34:49 pmSTL - RAP
1 stop25h 11mUnited Airlines
Deal found 2/27$237
Tue 4/24:49 pmSTL - RAP
1 stop25h 11mUnited Airlines
Deal found 2/27$257
Fri 7/510:25 amSTL - RAP
1 stop6h 10mDelta
Deal found 2/28$268
Wed 4/36:00 amSTL - RAP
2 stops15h 32mUnited Airlines
Deal found 2/27$269
Sun 3/316:27 amSTL - RAP
2 stops9h 55mDelta
Deal found 2/27$273
Mon 4/15:25 pmSTL - RAP
2 stops28h 07mUnited Airlines
Deal found 2/27$276
Fri 7/511:45 amSTL - RAP
2 stops25h 45mUnited Airlines
Deal found 2/28$279

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 3,314,962 searches. Data last updated February 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$318 - $559

Route

Depart

Return

Price

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/13

1 stop7h 07m

Rapid City

Tue 4/16

1 stop6h 58m

$318

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/13

2 stops18h 32m

Rapid City

Tue 4/16

1 stop3h 55m

$357

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/13

1 stop4h 43m

Rapid City

Tue 4/16

2 stops22h 05m

$371

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/20

1 stop6h 24m

Rapid City

Mon 4/22

1 stop26h 52m

$401

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/20

1 stop6h 24m

Rapid City

Mon 4/22

2 stops15h 14m

$402

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/13

2 stops17h 08m

Rapid City

Tue 4/16

2 stops8h 34m

$427

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 5/14

1 stop5h 57m

Rapid City

Tue 5/21

1 stop6h 40m

$514

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 6/8

1 stop6h 06m

Rapid City

Sun 6/16

1 stop6h 26m

$520

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 4/13

2 stops10h 52m

Rapid City

Tue 4/16

2 stops11h 02m

$559

Flights are sorted by cheapest first

Deals found on 2/27

When is the best time to 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 28, 2024.
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 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Rapid City. Price data was last updated on February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Rapid City flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Rapid City by month

Plan your trip from St. Louis to Rapid City by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Rapid City is currently $257 while a round-trip flight costs $430. Price data was last updated on February 25, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Rapid City (average of $364). Flying from St. Louis to Rapid City in June is currently the most expensive (average of $658). 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.

January

$364

February

$377

March

$443

April

$560

May

$574

June

$658

July

$574

August

$488

September

$556

October

$491

November

$406

December

$381

Temperature and rainfall in Rapid City by month

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

RAP

Temperature

24.8 - 73.4 °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 29, 2024.
See what other customers who have flown with United Airlines, American Airlines and Delta from St. Louis to Rapid City have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,818 reviews

Entertainment

8.1

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,818 reviews
8.1
Very good
11,818 reviews

Entertainment

8.1

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,794 reviews
8.1
Very good
11,818 reviews

Entertainment

8.1

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,571 reviews
8.1
Very good
11,818 reviews

Entertainment

8.1

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.5

Reviews

1 / 10

It was a good experience other than a short delay.

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.

Can I find flights from St. Louis to Rapid City for under $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Rapid City for under $400. The cheapest flight booked recently is on United Airlines for just $318, but on average you can expect to pay $527.

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

According to our current data, United Airlines ($318), Delta ($357), and American Airlines ($520) offers the cheapest pricing from St. Louis to Rapid City. United Airlines is priced at 43% 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?

What does STL to RAP mean?

Lambert-St Louis Airport is STL and Rapid City Airport is RAP. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Browse thousands of different options on Cheapflights for your next trip

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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.

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 3,314,962 searches. Data last updated February 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$246Average$496FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$320Average$518FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$423Average$578FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from St. Louis to Rapid City by cabin class

Find flights from St. Louis to Rapid City, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Rapid City?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Rapid City from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Rapid City?

Cheapflights helps you find that perfect flight to Rapid City from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Rapid City with no change fees?

Certainly. Search results for flights to Rapid City from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Rapid City become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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