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Rapid City

$151+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — RAP
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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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 March 13, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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 4/96:17 am
BWI
-
RAP
1 stop6h 03m
Delta
Mon 4/133:55 pm
RAP
-
BWI
1 stop5h 31m
Delta
Deal found 3/9$309
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/74:18 pm
BWI
-
RAP
1 stop8h 10m
United Airlines
Sat 4/1810:55 am
RAP
-
BWI
2 stops8h 29m
United Airlines
Deal found 3/8$314
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Fri 8/284:23 pm
BWI
-
RAP
1 stop6h 09m
United Airlines
Fri 9/41:33 pm
RAP
-
BWI
1 stop5h 55m
United Airlines
Deal found 3/8$328
This Delta deal was found by Cheapflights users on 3/11. 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.
Wed 4/86:17 am
BWI
-
RAP
1 stop6h 03m
Delta
Mon 4/133:55 pm
RAP
-
BWI
1 stop5h 31m
Delta
Deal found 3/11$329
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:08 am
BWI
-
RAP
2 stops9h 54m
United Airlines
Mon 4/132:47 pm
RAP
-
BWI
1 stop6h 37m
United Airlines
Deal found 3/10$334
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 8/174:23 pm
BWI
-
RAP
1 stop6h 09m
United Airlines
Sat 8/2912:30 pm
RAP
-
BWI
2 stops10h 13m
United Airlines
Deal found 3/9$336
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:42 pm
BWI
-
RAP
2 stops8h 46m
United Airlines
Sat 4/1810:55 am
RAP
-
BWI
2 stops8h 29m
United Airlines
Deal found 3/10$339
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:18 pm
BWI
-
RAP
1 stop8h 02m
United Airlines
Sat 5/21:00 pm
RAP
-
BWI
1 stop8h 27m
United Airlines
Deal found 3/10$348
This Delta deal was found by Cheapflights users on 3/10. 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.
Wed 4/86:17 am
BWI
-
RAP
1 stop6h 03m
Delta
Sun 4/124:01 pm
RAP
-
BWI
1 stop5h 58m
Delta
Deal found 3/10$354

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$151
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$429
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. 15% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 13, 2026.
Use the filters below to find and compare flights from Baltimore to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 4/8

6:17 am-10:20 am

1 stop6h 03m

Rapid City

Thu 4/16

3:55 pm-11:26 pm

1 stop5h 31m

$329

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 4/9

6:17 am-10:20 am

1 stop6h 03m

Rapid City

Thu 4/16

3:55 pm-11:26 pm

1 stop5h 31m

$329

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Mon 8/17

4:23 pm-8:32 pm

1 stop6h 09m

Rapid City

Sat 8/29

10:13 am-7:40 pm

1 stop7h 27m

$330

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 4/7

3:42 pm-9:41 pm

1 stop7h 59m

Rapid City

Sat 4/18

2:47 pm-11:24 pm

1 stop6h 37m

$330

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 6/10

6:15 am-10:24 am

1 stop6h 09m

Rapid City

Wed 6/17

1:35 pm-9:26 pm

1 stop5h 51m

$386

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Sat 5/23

4:23 pm-8:24 pm

1 stop6h 01m

Rapid City

Wed 5/27

1:35 pm-9:26 pm

1 stop5h 51m

$449

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 4/3

3:42 pm-9:41 pm

1 stop7h 59m

Rapid City

Sat 4/11

5:27 am-5:33 pm

2 stops10h 06m

$454

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 4/15

10:11 am-3:15 pm

2 stops7h 04m

Rapid City

Thu 4/16

3:55 pm-11:26 pm

1 stop5h 31m

$466

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 6/10

8:15 am-7:13 pm

2 stops12h 58m

Rapid City

Sat 6/20

11:20 am-12:33 am

2 stops11h 13m

$469
Cheapest one-way

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 4/15

12:17 pm-5:07 pm

2 stops30h 50m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Rapid City flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 2026.

To ensure you get the cheapest price possible for a flight from Baltimore to Rapid City, you should look to book at least 52 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, October 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 $547). 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.

How much does it cost to fly round-trip from Baltimore to Rapid City?

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 March 13, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
8,285 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

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
8,285 reviews
Delta
7.9
Good
8,285 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

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
9,418 reviews
Delta
7.9
Good
8,285 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

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
7.1
Good
11,446 reviews
Delta
7.9
Good
8,285 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

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 $329, Delta can have you in Rapid City from Baltimore in 6h 03m. The distance from Baltimore to Rapid City is about 1397 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Delta, from $268, and United Airlines, from $337. These flights start at 45% 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 $179 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, October 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 $547). 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$404FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$337Average$488FlexibilityNo cancel feeOn-time69%

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