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Rapid City

$266+ Cheap flights from Baltimore to Rapid City (BWI - RAP)

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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — RAP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Baltimore/Washington to Rapid City are usually found in January or February, booked 72 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Baltimore to Rapid City

Cheapest flights from Baltimore to Rapid City
Explore the most affordable flight options available from Baltimore to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:06 pmBWI - RAP
1 stop5h 40mDelta
Sun 12/1411:02 amRAP - BWI
1 stop5h 09mDelta
Deal found 12/11$509
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:06 pmBWI - RAP
1 stop5h 40mDelta
Fri 12/194:25 pmRAP - BWI
1 stop5h 59mDelta
Deal found 12/11$581
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amBWI - RAP
1 stop6h 15mUnited Airlines
Fri 12/263:35 pmRAP - BWI
1 stop5h 41mUnited Airlines
Deal found 12/11$593
This American Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:14 pmBWI - RAP
1 stop8h 17mAmerican Airlines
Thu 12/252:20 pmRAP - BWI
1 stop6h 42mAmerican Airlines
Deal found 12/11$600
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:06 pmBWI - RAP
1 stop5h 40mDelta
Wed 12/172:51 pmRAP - BWI
1 stop7h 30mDelta
Deal found 12/10$606
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmBWI - RAP
1 stop6h 44mUnited Airlines
Thu 1/111:11 amRAP - BWI
1 stop10h 05mUnited Airlines
Deal found 12/11$623
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:55 amBWI - RAP
1 stop7h 05mUnited Airlines
Sat 12/203:35 pmRAP - BWI
1 stop5h 41mUnited Airlines
Deal found 12/11$628
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:42 amBWI - RAP
1 stop6h 03mDelta
Fri 12/196:05 amRAP - BWI
2 stops11h 27mDelta
Deal found 12/11$645
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:20 amBWI - RAP
1 stop6h 51mUnited Airlines
Sat 12/203:35 pmRAP - BWI
1 stop5h 41mUnited Airlines
Deal found 12/11$658
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:15 amBWI - RAP
1 stop6h 15mUnited Airlines
Wed 12/313:35 pmRAP - BWI
1 stop5h 41mUnited Airlines
Deal found 12/11$659
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmBWI - RAP
1 stop6h 44mUnited Airlines
Sat 1/36:05 pmRAP - BWI
1 stop27h 11mUnited Airlines
Deal found 12/11$667

Find flight deals from Baltimore to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$266
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$936
Provider with most accurate pricing for Baltimore/Washington-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Rapid City flights.
Search Deals
From Baltimore/Washington to Rapid City
Search Deals
One-way flight from Baltimore/Washington to Rapid City
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Baltimore to Rapid City that are best for you.

Fly from

Baltimore

Fly to

Rapid City

Route

Depart

Return

Price

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 3/11

6:10 am-10:12 am

1 stop6h 02m

Rapid City

Mon 3/16

4:00 pm-11:59 pm

1 stop5h 59m

$289

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 2/6

6:05 am-10:11 am

1 stop6h 06m

Rapid City

Mon 2/9

4:10 pm-11:26 pm

1 stop5h 16m

$309

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 1/29

6:05 am-10:13 am

1 stop6h 08m

Rapid City

Sun 2/1

4:10 pm-11:26 pm

1 stop5h 16m

$309

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 1/21

6:05 am-10:13 am

1 stop6h 08m

Rapid City

Sat 1/24

10:54 am-11:05 pm

2 stops10h 11m

$314

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 3/13

6:10 am-10:12 am

1 stop6h 02m

Rapid City

Wed 3/18

11:00 am-11:01 pm

2 stops10h 01m

$319

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 2/20

6:05 am-10:11 am

1 stop6h 06m

Rapid City

Sun 2/22

6:00 am-1:54 pm

1 stop5h 54m

$344

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 1/9

4:10 pm-10:29 pm

1 stop8h 19m

Rapid City

Tue 1/13

12:35 pm-11:15 pm

1 stop8h 40m

$349

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 3/12

6:57 pm-10:26 pm

1 stop5h 29m

Rapid City

Tue 3/17

4:00 pm-11:59 pm

1 stop5h 59m

$370

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 2/13

3:21 pm-10:19 pm

1 stop8h 58m

$266

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 2/13

9:10 pm-4:52 pm

3 stops45h 42m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Baltimore to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Rapid City in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Rapid City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Rapid City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Rapid City

How far ahead should I book a flight from Baltimore to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Rapid City. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Baltimore to Rapid City, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Baltimore to Rapid City?

Currently, February is the cheapest month in which you can book a flight from Baltimore to Rapid City (average of $268). Flying from Baltimore to Rapid City in December is currently the most expensive (average of $488). 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.

What is the cheapest time of day to fly from BWI to RAP?

Find hourly flight availability from Baltimore to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Baltimore to Rapid City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight at noon.

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 December 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Baltimore to Rapid City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Rapid City?

    For as low as $289, Delta can have you in Rapid City from Baltimore in 6h 02m. The distance from Baltimore to Rapid City is about 1397 mi.

  • What are the cheapest airlines flying from Baltimore to Rapid City round-trip?

    Cheapflights users have booked flights from Baltimore to Rapid City round-trip from $268. Other airlines that can offer you cheap pricing are American Airlines, from $268, and United Airlines, from $341. These flights start at 42% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Baltimore to Rapid City one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $179. Delta flights start at $179 while deals on United Airlines start at $207 one-way.

  • Can I find deals for flights from Baltimore to Rapid City that include hotel bookings?

    Yes. In addition to deals on Baltimore to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Rapid City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Rapid City.

  • Can I find deals for business class flights from Baltimore to Rapid City?

    Yes. Cheapflights offers flight deals from Baltimore 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.

  • What is the cheapest month to book a flight from Baltimore to Rapid City?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Rapid City (average of $268). Flying from Baltimore to Rapid City in December is currently the most expensive (average of $488). 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.

See more FAQs

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Keystone
Deadwood
Sturgis
Spearfish

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Top 3 airlines flying from Baltimore to Rapid City

Discover the top 3 airlines that operate flights from Baltimore 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$433FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$341Average$492FlexibilityNo cancel feeOn-time69%

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