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Cheap flights from St. Louis to Rapid City (STL - RAP) from $315

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 5/22. 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 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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The best prices from Lambert-St Louis to Rapid City are usually found in February or January, booked 60 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 16, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$364

One-way from

$315
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 48% potential price drop
Search Deals
From Lambert-St Louis to Rapid City
Search Deals
One-way flight from Lambert-St Louis to Rapid City
Search Deals

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 61 days before your planned departure. Booking around this time can save you about 71% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $269 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $408.

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

The best pricing can be found in the month of February. Prices to Rapid City from St. Louis average $488. You can even find prices in February for less than $488, as users have found deals to Rapid City from as low as $252. The month of June 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 26%.

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 10% on your trip compared to booking a flight in the morning.

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 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from St. Louis to Rapid City. Make sure to double check the flight details before booking.
Wed 6/126:00 amSTL - RAP
1 stop9h 06mAmerican Airlines
Wed 6/192:36 pmRAP - STL
1 stop18h 56mAmerican Airlines
Deal found 5/15$369
Thu 7/116:09 pmSTL - RAP
1 stop20h 47mAmerican Airlines
Mon 7/152:30 pmRAP - STL
1 stop19h 16mAmerican Airlines
Deal found 5/15$438
Mon 8/56:09 pmSTL - RAP
1 stop20h 03mAmerican Airlines
Thu 8/81:44 pmRAP - STL
1 stop19h 11mAmerican Airlines
Deal found 5/15$512
Fri 7/267:03 amSTL - RAP
2 stops10h 07mAmerican Airlines
Tue 7/3011:12 amRAP - STL
1 stop7h 18mAmerican Airlines
Deal found 5/15$578
Fri 7/267:03 amSTL - RAP
2 stops10h 07mAmerican Airlines
Tue 7/306:00 amRAP - STL
2 stops9h 56mAmerican Airlines
Deal found 5/15$583
Fri 8/25:30 pmSTL - RAP
1 stop5h 10mAmerican Airlines
Sat 8/1012:07 pmRAP - STL
1 stop5h 54mAmerican Airlines
Deal found 5/15$624
Sun 6/96:00 amSTL - RAP
2 stops11h 08mAmerican Airlines
Sun 6/1612:28 pmRAP - STL
2 stops10h 35mAmerican Airlines
Deal found 5/15$633
Mon 6/176:00 amSTL - RAP
2 stops11h 08mAmerican Airlines
Sun 6/2310:14 amRAP - STL
2 stops12h 49mAmerican Airlines
Deal found 5/16$681
Thu 9/1911:08 amSTL - RAP
2 stops9h 59mAmerican Airlines
Tue 9/2412:22 pmRAP - STL
2 stops9h 58mAmerican Airlines
Deal found 5/15$701

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 2,637,452 searches. Data last updated May 16, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from St. Louis to Rapid City. Deals frequently update to provide users with more options.
Fri 6/144:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$388
Sat 9/74:51 pmSTL - RAP
1 stop6h 09mUnited Airlines
Sat 9/147:00 amRAP - STL
1 stop4h 43mUnited Airlines
Deal found 5/15$394
Wed 6/121:42 pmSTL - RAP
1 stop6h 26mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$425
Sat 9/711:10 amSTL - RAP
2 stops11h 50mUnited Airlines
Sat 9/147:00 amRAP - STL
1 stop4h 43mUnited Airlines
Deal found 5/15$442
Sat 6/14:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Thu 6/61:45 pmRAP - STL
1 stop24h 54mUnited Airlines
Deal found 5/16$492
Sun 6/94:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$504
Mon 6/174:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/237:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/16$514
Fri 7/261:45 pmSTL - RAP
1 stop6h 16mUnited Airlines
Tue 7/305:30 amRAP - STL
2 stops14h 01mUnited Airlines
Deal found 5/15$540
Sat 6/14:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Thu 6/65:30 amRAP - STL
2 stops13h 55mUnited Airlines
Deal found 5/16$590

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 2,637,452 searches. Prices were last updated on May 16, 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 6/126:00 amSTL - RAP
1 stop9h 06mAmerican Airlines
Wed 6/192:36 pmRAP - STL
1 stop18h 56mAmerican Airlines
Deal found 5/15$369
Fri 6/144:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$388
Wed 6/121:42 pmSTL - RAP
1 stop6h 26mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$425
Wed 6/125:56 pmSTL - RAP
1 stop7h 00mDelta
Sun 6/166:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/15$443
Wed 6/126:10 pmSTL - RAP
2 stops6h 46mDelta
Sun 6/166:00 amRAP - STL
2 stops11h 01mDelta
Deal found 5/15$448
Fri 6/145:56 pmSTL - RAP
1 stop7h 00mDelta
Sun 6/166:00 amRAP - STL
2 stops11h 01mDelta
Deal found 5/15$460
Sat 6/14:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Thu 6/61:45 pmRAP - STL
1 stop24h 54mUnited Airlines
Deal found 5/16$492
Sun 6/94:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$504
Wed 6/126:10 pmSTL - RAP
2 stops6h 46mDelta
Wed 6/196:00 amRAP - STL
2 stops7h 57mDelta
Deal found 5/15$513

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 2,637,452 searches. Data last updated May 16, 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 6/126:00 amSTL - RAP
1 stop9h 06mAmerican Airlines
Wed 6/192:36 pmRAP - STL
1 stop18h 56mAmerican Airlines
Deal found 5/15$369
Fri 6/144:45 pmSTL - RAP
1 stop4h 50mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$388
Sat 9/74:51 pmSTL - RAP
1 stop6h 09mUnited Airlines
Sat 9/147:00 amRAP - STL
1 stop4h 43mUnited Airlines
Deal found 5/15$394
Wed 6/121:42 pmSTL - RAP
1 stop6h 26mUnited Airlines
Sun 6/167:00 amRAP - STL
1 stop4h 46mUnited Airlines
Deal found 5/15$425
Thu 7/116:09 pmSTL - RAP
1 stop20h 47mAmerican Airlines
Mon 7/152:30 pmRAP - STL
1 stop19h 16mAmerican Airlines
Deal found 5/15$438
Sat 9/711:10 amSTL - RAP
2 stops11h 50mUnited Airlines
Sat 9/147:00 amRAP - STL
1 stop4h 43mUnited Airlines
Deal found 5/15$442
Wed 6/125:56 pmSTL - RAP
1 stop7h 00mDelta
Sun 6/166:00 amRAP - STL
2 stops9h 20mDelta
Deal found 5/15$443
Wed 6/126:10 pmSTL - RAP
2 stops6h 46mDelta
Sun 6/166:00 amRAP - STL
2 stops11h 01mDelta
Deal found 5/15$448
Fri 6/145:56 pmSTL - RAP
1 stop7h 00mDelta
Sun 6/166:00 amRAP - STL
2 stops11h 01mDelta
Deal found 5/15$460

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 2,637,452 searches. Data last updated May 16, 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 5/2212:15 pmSTL - RAP
3 stops22h 26mMultiple Airlines
Deal found 5/15$315
Wed 5/299:05 amSTL - RAP
1 stop26h 57mUnited Airlines
Deal found 5/15$348
Fri 5/244:45 pmSTL - RAP
1 stop6h 13mUnited Airlines
Deal found 5/15$353
Wed 5/2910:46 amSTL - RAP
2 stops10h 47mAmerican Airlines
Deal found 5/16$367
Mon 6/35:31 pmSTL - RAP
2 stops18h 31mUnited Airlines
Deal found 5/16$402
Wed 5/226:11 amSTL - RAP
1 stop5h 46mDelta
Deal found 5/16$406
Fri 5/245:55 amSTL - RAP
2 stops11h 03mAmerican Airlines
Deal found 5/15$411
Fri 5/245:55 amSTL - RAP
2 stops11h 03mAmerican Airlines
Deal found 5/16$486
Wed 5/2210:10 amSTL - RAP
2 stops13h 03mUnited Airlines
Deal found 5/15$494

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$369 - $519

Route

Depart

Return

Price

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 6/12

1 stop9h 06m

Rapid City

Wed 6/19

1 stop18h 56m

$369

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 6/14

1 stop4h 50m

Rapid City

Sun 6/16

1 stop4h 46m

$388

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 9/7

1 stop6h 09m

Rapid City

Sat 9/14

1 stop4h 43m

$394

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 6/12

1 stop6h 26m

Rapid City

Sun 6/16

1 stop4h 46m

$425

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Thu 7/11

1 stop20h 47m

Rapid City

Mon 7/15

1 stop19h 16m

$438

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 6/12

2 stops6h 46m

Rapid City

Wed 6/19

1 stop4h 27m

$443

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Wed 6/12

2 stops6h 46m

Rapid City

Sun 6/16

2 stops11h 01m

$448

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Fri 6/14

1 stop7h 00m

Rapid City

Sun 6/16

2 stops11h 01m

$460

Lambert-St LouisRapid City

STL - RAP

STLRAP

Lambert-St Louis

Sat 6/1

2 stops26h 52m

Rapid City

Thu 6/6

2 stops23h 15m

$519

Flights are sorted by cheapest first

Deals found on 5/15

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 May 10, 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 60 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 May 12, 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 $398 while a round-trip flight costs $432. Price data was last updated on May 12, 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 $632). 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

$367

March

$438

April

$461

May

$573

June

$632

July

$574

August

$484

September

$560

October

$488

November

$405

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 May 16, 2024.
See what other customers who have flown with American Airlines, United 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.
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
10,924 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
14,514 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Food

7.4

Crew

8.6

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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 American Airlines for just $369, but on average you can expect to pay $474.

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

    According to our current data, American Airlines ($369), United Airlines ($388), and Delta ($443) offers the cheapest pricing from St. Louis to Rapid City. American Airlines is priced at 24% 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 $348 on United Airlines. Other airlines that offer cheap prices include American Airlines from $367 and Delta from $406 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 5/15.

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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$246Average$472FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$287Average$508FlexibilityNo 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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