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Cheap flights from St. Louis to Rapid City (STL - RAP) from $141

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 7/24. 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
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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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 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 May 3, 2024.

Popular in

February

Cheapest in

October

Round-trip from

$361

One-way from

$273
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 23% potential price drop
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From Lambert-St Louis to Rapid City
Search Deals
One-way flight from Lambert-St Louis to Rapid City
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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 9% on your trip compared to booking a flight in the morning.

Cheap Delta flights from St. Louis to Rapid City

Explore cheap flight options specifically provided by Delta 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 2,899,487 searches. Data last updated May 3, 2024.
Take a look at some of the lowest-priced Delta flights heading from St. Louis to Rapid City. Make sure to double check the flight details before booking.
Tue 6/115:56 pmSTL - RAP
1 stop7h 00mDelta
Sat 6/156:00 amRAP - STL
1 stop3h 35mDelta
Deal found 5/2$313
Wed 6/195:56 pmSTL - RAP
1 stop7h 00mDelta
Thu 6/276:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/1$318
Wed 9/46:30 amSTL - RAP
1 stop16h 21mDelta
Tue 9/104:25 pmRAP - STL
1 stop4h 06mDelta
Deal found 5/2$401
Tue 6/112:16 pmSTL - RAP
2 stops10h 40mDelta
Sat 6/156:00 amRAP - STL
1 stop3h 35mDelta
Deal found 5/2$403
Sat 8/313:30 pmSTL - RAP
1 stop7h 21mDelta
Tue 9/104:25 pmRAP - STL
1 stop4h 06mDelta
Deal found 5/2$411
Wed 9/46:00 amSTL - RAP
2 stops16h 51mDelta
Tue 9/104:25 pmRAP - STL
1 stop4h 06mDelta
Deal found 5/2$421
Wed 9/46:30 amSTL - RAP
1 stop16h 21mDelta
Mon 9/911:45 amRAP - STL
1 stop8h 46mDelta
Deal found 5/2$434
Sat 8/313:30 pmSTL - RAP
1 stop7h 21mDelta
Mon 9/911:45 amRAP - STL
1 stop8h 46mDelta
Deal found 5/2$444
Wed 6/192:16 pmSTL - RAP
2 stops10h 40mDelta
Thu 6/276:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/1$448

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 2,899,487 searches. Data last updated May 3, 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.
Mon 6/35:21 amSTL - RAP
1 stop7h 34mAmerican Airlines
Sat 6/812:33 pmRAP - STL
1 stop5h 44mAmerican Airlines
Deal found 5/2$386
Mon 9/25:30 amSTL - RAP
1 stop5h 57mAmerican Airlines
Fri 9/611:11 amRAP - STL
1 stop7h 47mAmerican Airlines
Deal found 5/2$457
Thu 7/116:04 amSTL - RAP
2 stops11h 06mAmerican Airlines
Mon 7/152:30 pmRAP - STL
1 stop6h 24mAmerican Airlines
Deal found 5/2$521
Mon 6/37:45 amSTL - RAP
2 stops13h 48mAmerican Airlines
Sat 6/82:36 pmRAP - STL
1 stop6h 26mAmerican Airlines
Deal found 5/2$524
Wed 9/45:37 amSTL - RAP
1 stop5h 44mAmerican Airlines
Wed 9/412:22 pmRAP - STL
1 stop6h 53mAmerican Airlines
Deal found 5/2$569
Mon 9/25:30 amSTL - RAP
1 stop5h 57mAmerican Airlines
Thu 9/512:16 pmRAP - STL
1 stop7h 51mAmerican Airlines
Deal found 5/2$573
Tue 9/35:30 amSTL - RAP
1 stop5h 57mAmerican Airlines
Sun 9/86:14 amRAP - STL
1 stop4h 49mAmerican Airlines
Deal found 5/2$574
Mon 6/35:21 amSTL - RAP
1 stop7h 34mAmerican Airlines
Sun 6/96:00 amRAP - STL
2 stops9h 48mAmerican Airlines
Deal found 5/1$579
Sat 9/711:08 amSTL - RAP
2 stops9h 59mAmerican Airlines
Sat 9/1412:22 pmRAP - STL
2 stops9h 58mAmerican Airlines
Deal found 5/2$583

Cheap St. Louis to Rapid City flights in May & June 2024

Find cheap flight options from St. Louis to Rapid City specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 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.
Wed 6/195:56 pmSTL - RAP
1 stop7h 00mDelta
Thu 6/274:28 pmRAP - STL
1 stop4h 27mDelta
Deal found 5/1$313
Wed 6/195:56 pmSTL - RAP
1 stop7h 00mDelta
Thu 6/276:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/1$318
Mon 6/35:21 amSTL - RAP
1 stop7h 34mAmerican Airlines
Sat 6/812:33 pmRAP - STL
1 stop5h 44mAmerican Airlines
Deal found 5/2$386
Wed 6/192:16 pmSTL - RAP
2 stops10h 40mDelta
Thu 6/276:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/1$448
Mon 6/37:45 amSTL - RAP
2 stops13h 48mAmerican Airlines
Sat 6/82:36 pmRAP - STL
1 stop6h 26mAmerican Airlines
Deal found 5/2$524
Tue 6/410:20 amSTL - RAP
1 stop6h 10mDelta
Sun 6/911:54 amRAP - STL
1 stop4h 07mDelta
Deal found 5/2$568
Mon 6/37:01 amSTL - RAP
1 stop5h 54mAmerican Airlines
Sun 6/92:36 pmRAP - STL
1 stop18h 56mAmerican Airlines
Deal found 5/1$573
Mon 6/35:21 amSTL - RAP
1 stop7h 34mAmerican Airlines
Sun 6/96:00 amRAP - STL
2 stops9h 48mAmerican Airlines
Deal found 5/1$579
Tue 6/45:04 amSTL - RAP
2 stops11h 54mAmerican Airlines
Sun 6/912:28 pmRAP - STL
2 stops10h 35mAmerican Airlines
Deal found 5/2$631

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 2,899,487 searches. Data last updated May 3, 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.
Wed 6/195:56 pmSTL - RAP
1 stop7h 00mDelta
Thu 6/274:28 pmRAP - STL
1 stop4h 27mDelta
Deal found 5/1$313
Wed 6/195:56 pmSTL - RAP
1 stop7h 00mDelta
Thu 6/276:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/1$318
Mon 8/194:51 pmSTL - RAP
1 stop4h 53mUnited Airlines
Fri 8/231:45 pmRAP - STL
1 stop21h 37mUnited Airlines
Deal found 5/2$371
Mon 6/35:21 amSTL - RAP
1 stop7h 34mAmerican Airlines
Sat 6/812:33 pmRAP - STL
1 stop5h 44mAmerican Airlines
Deal found 5/2$386
Mon 8/264:51 pmSTL - RAP
1 stop4h 53mUnited Airlines
Fri 8/301:45 pmRAP - STL
1 stop21h 37mUnited Airlines
Deal found 5/2$406
Mon 8/195:20 pmSTL - RAP
2 stops19h 17mUnited Airlines
Fri 8/231:45 pmRAP - STL
1 stop21h 37mUnited Airlines
Deal found 5/2$429
Wed 6/192:16 pmSTL - RAP
2 stops10h 40mDelta
Thu 6/276:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/1$448
Sat 9/74:51 pmSTL - RAP
1 stop6h 09mUnited Airlines
Sat 9/147:00 amRAP - STL
1 stop4h 43mUnited Airlines
Deal found 5/2$459
Mon 8/195:20 pmSTL - RAP
2 stops19h 17mUnited Airlines
Fri 8/2311:25 amRAP - STL
2 stops23h 57mUnited Airlines
Deal found 5/2$491

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 2,899,487 searches. Data last updated May 3, 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.
Wed 7/246:04 amSTL - RAP
1 stop8h 52mAmerican Airlines
Deal found 5/1$141
Wed 7/247:03 amSTL - RAP
2 stops10h 07mAmerican Airlines
Deal found 5/1$197
Wed 5/2212:15 pmSTL - RAP
3 stops22h 26mMultiple Airlines
Deal found 5/3$246
Wed 5/2212:15 pmSTL - RAP
3 stops22h 26mMultiple Airlines
Deal found 5/2$273
Wed 5/225:37 pmSTL - RAP
1 stop5h 51mDelta
Deal found 5/2$279
Mon 8/191:39 pmSTL - RAP
1 stop22h 58mUnited Airlines
Deal found 5/1$294
Wed 5/295:37 pmSTL - RAP
1 stop5h 51mDelta
Deal found 5/2$299
Wed 5/297:30 amSTL - RAP
2 stops14h 03mAmerican Airlines
Deal found 5/2$337
Fri 6/215:56 pmSTL - RAP
1 stop7h 00mDelta
Deal found 5/2$344

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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$313 - $457

Route

Depart

Return

Price

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 6/11

1 stop7h 00m

Rapid City

Sat 6/15

1 stop3h 35m

$313

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 6/19

1 stop7h 00m

Rapid City

Thu 6/27

2 stops9h 20m

$318

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sun 9/1

1 stop6h 09m

Rapid City

Sat 9/7

1 stop4h 43m

$349

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Mon 8/19

1 stop4h 53m

Rapid City

Fri 8/23

1 stop21h 37m

$371

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 8/31

1 stop6h 09m

Rapid City

Sat 9/7

1 stop4h 43m

$380

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Mon 6/3

1 stop7h 34m

Rapid City

Sat 6/8

1 stop5h 44m

$386

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Tue 9/3

1 stop6h 09m

Rapid City

Sat 9/7

1 stop4h 43m

$388

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 9/4

1 stop16h 21m

Rapid City

Tue 9/10

1 stop4h 06m

$401

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Mon 9/2

1 stop5h 57m

Rapid City

Fri 9/6

1 stop7h 47m

$457

Flights are sorted by cheapest first

Deals found on 5/2

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 April 28, 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 afternoons 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 $268 while a round-trip flight costs $374. Price data was last updated on April 28, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Rapid City (average of $361). Flying from St. Louis to Rapid City in June is currently the most expensive (average of $638). 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

$361

February

$372

March

$438

April

$462

May

$581

June

$638

July

$576

August

$485

September

$559

October

$488

November

$405

December

$382

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 May 3, 2024.
See what other customers who have flown with Delta, American Airlines and United Airlines 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.
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.4

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.1
Very good
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.4

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

United Airlines
7.4
Good
11,134 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.4

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

American Airlines
7.3
Good
14,755 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.4

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

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 Delta for just $313, but on average you can expect to pay $396.

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

    According to our current data, Delta ($313), United Airlines ($349), and American Airlines ($386) offers the cheapest pricing from St. Louis to Rapid City. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • 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 $141 on American Airlines. Other airlines that offer cheap prices include Delta from $279 and United Airlines from $294 one-way.

  • 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 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.

  • Can I find deals for flights from St. Louis to Rapid City that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Rapid City flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Rapid City with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Rapid City flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Rapid City that allow pets onboard?

    Many airlines flying from St. Louis to Rapid City offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Rapid City?

    Yes, you can often find last-minute deals on St. Louis to Rapid City flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Rapid City flight deals updated?

    The St. Louis to Rapid City flight deals you see on this page were last updated on 5/2.

See more FAQs

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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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$246Average$475FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$293Average$518FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$423Average$565FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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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.
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How does Cheapflights help users find flights from St. Louis to Rapid City?

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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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