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Rapid City

$127+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — RAP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Rapid City are usually found in February or March, booked 53 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 September 11, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$127
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$438
From Baltimore/Washington to Rapid City
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One-way flight from Baltimore/Washington to Rapid City
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Highest demand for flights based on searches. 11% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/184:21 pmBWI - RAP
1 stop6h 14mUnited Airlines
Sat 10/259:00 amRAP - BWI
1 stop8h 27mUnited Airlines
Deal found 9/9$269
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/212:10 pmBWI - RAP
2 stops10h 26mDelta
Sat 10/252:25 pmRAP - BWI
1 stop7h 24mDelta
Deal found 9/9$274
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 11/15:39 pmBWI - RAP
2 stops6h 57mDelta
Sat 11/810:33 amRAP - BWI
2 stops12h 07mDelta
Deal found 9/10$279
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/710:10 amBWI - RAP
1 stop7h 50mUnited Airlines
Tue 10/1412:56 pmRAP - BWI
1 stop8h 22mUnited Airlines
Deal found 9/9$286
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/86:29 amBWI - RAP
1 stop5h 44mUnited Airlines
Wed 10/1512:56 pmRAP - BWI
1 stop8h 22mUnited Airlines
Deal found 9/10$293
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 9/307:06 pmBWI - RAP
1 stop5h 24mDelta
Sat 10/44:24 pmRAP - BWI
1 stop5h 25mDelta
Deal found 9/10$294
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/306:29 amBWI - RAP
2 stops10h 16mUnited Airlines
Sat 10/411:15 amRAP - BWI
1 stop6h 12mUnited Airlines
Deal found 9/10$299
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/224:20 pmBWI - RAP
1 stop7h 39mUnited Airlines
Tue 9/307:00 amRAP - BWI
1 stop6h 12mUnited Airlines
Deal found 9/9$324
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/156:00 amBWI - RAP
2 stops9h 45mDelta
Sat 10/252:25 pmRAP - BWI
1 stop7h 24mDelta
Deal found 9/9$329
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/156:29 amBWI - RAP
1 stop5h 44mUnited Airlines
Sat 10/259:00 amRAP - BWI
1 stop8h 27mUnited Airlines
Deal found 9/9$349

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 September 11, 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

Sat 10/18

4:21 pm-8:35 pm

1 stop6h 14m

Rapid City

Sat 10/25

9:00 am-7:27 pm

1 stop8h 27m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 10/21

2:10 pm-10:36 pm

2 stops10h 26m

Rapid City

Sat 10/25

2:25 pm-11:49 pm

1 stop7h 24m

$274

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 10/7

10:10 am-4:00 pm

1 stop7h 50m

Rapid City

Tue 10/14

12:56 pm-11:18 pm

1 stop8h 22m

$286

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 10/8

6:29 am-10:13 am

1 stop5h 44m

Rapid City

Wed 10/15

12:56 pm-11:18 pm

1 stop8h 22m

$293

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 9/30

7:06 pm-10:30 pm

1 stop5h 24m

Rapid City

Sat 10/4

4:24 pm-11:49 pm

1 stop5h 25m

$294

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Mon 9/22

4:20 pm-9:59 pm

1 stop7h 39m

Rapid City

Tue 9/30

7:00 am-3:12 pm

1 stop6h 12m

$324

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 10/15

6:00 am-1:45 pm

2 stops9h 45m

Rapid City

Sat 10/25

2:25 pm-11:49 pm

1 stop7h 24m

$329

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Mon 10/20

6:29 am-10:13 am

1 stop5h 44m

Rapid City

Sat 10/25

11:15 am-7:27 pm

1 stop6h 12m

$349

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 10/15

6:29 am-10:13 am

1 stop5h 44m

Rapid City

Sat 10/25

9:00 am-7:27 pm

1 stop8h 27m

$349

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 9/30

7:06 pm-10:30 pm

1 stop5h 24m

Rapid City

Fri 10/3

4:24 pm-11:49 pm

1 stop5h 25m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
1
2

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 August 29, 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, January is the cheapest month in which you can book a flight from Baltimore to Rapid City (average of $348). Flying from Baltimore to Rapid City in June is currently the most expensive (average of $502). 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 September 11, 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 afternoon, which can drop the price by up to 12% versus a flight in the morning.

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 September 11, 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
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $269, United Airlines can have you in Rapid City from Baltimore in 6h 14m. 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 American Airlines, from $268, and United Airlines, from $348. These flights start at 38% lower than the current average price 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from Baltimore to Rapid City (average of $348). Flying from Baltimore to Rapid City in June is currently the most expensive (average of $502). 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
Deadwood
Keystone
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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$377FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$348Average$491FlexibilityNo cancel feeOn-time69%

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