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Rapid City

$187+ Cheap flights from Boston to Rapid City (BOS - 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — RAP
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Rapid City are usually found in December or October, booked 59 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Find flight deals from Boston to Rapid City

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

This Delta deal was found by Cheapflights users on 11/11. 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.
Sat 12/66:24 pmBOS - RAP
1 stop6h 22mDelta
Wed 12/106:05 amRAP - BOS
1 stop5h 45mDelta
Deal found 11/11$289
This Delta deal was found by Cheapflights users on 11/9. 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 12/105:40 amBOS - RAP
2 stops12h 05mDelta
Tue 3/1010:40 amRAP - BOS
2 stops10h 58mDelta
Deal found 11/9$299
This Delta deal was found by Cheapflights users on 11/11. 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.
Tue 12/25:45 amBOS - RAP
1 stop6h 37mDelta
Fri 12/56:05 amRAP - BOS
1 stop5h 45mDelta
Deal found 11/11$421
This Delta deal was found by Cheapflights users on 11/12. 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 12/128:45 amBOS - RAP
2 stops9h 00mDelta
Tue 12/166:05 amRAP - BOS
2 stops10h 17mDelta
Deal found 11/12$424
This Delta deal was found by Cheapflights users on 11/11. 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 12/192:35 pmBOS - RAP
2 stops10h 11mDelta
Mon 1/1210:54 amRAP - BOS
1 stop6h 16mDelta
Deal found 11/11$444
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/107:15 amBOS - RAP
1 stop7h 56mUnited Airlines
Wed 12/102:55 pmRAP - BOS
1 stop6h 39mUnited Airlines
Deal found 11/9$465

Cheap flight deals from Boston to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Delta)

One-way from

$187
(Kiwi.com)

Popular in

February

Cheapest in

December

Average price

$553
Provider with most accurate pricing for Boston Logan Intl-Rapid City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Rapid City flights.
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From Boston Logan Intl to Rapid City
Search Deals
One-way flight from Boston Logan Intl to Rapid City
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 November 12, 2025.
Use the filters below to find and compare flights from Boston to Rapid City that are best for you.

Fly from

Boston

Fly to

Rapid City

Route

Depart

Return

Price

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sat 12/6

8:05 am-2:09 pm

1 stop8h 04m

Rapid City

Wed 12/10

4:25 pm-12:01 am

1 stop5h 36m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Fri 12/12

5:45 am-10:22 am

1 stop6h 37m

Rapid City

Tue 12/16

6:05 am-1:50 pm

1 stop5h 45m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 12/10

11:25 am-3:45 pm

1 stop6h 20m

Rapid City

Wed 12/17

11:02 am-7:40 pm

1 stop6h 38m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Mon 12/8

6:24 pm-10:46 pm

1 stop6h 22m

Rapid City

Mon 12/15

4:25 pm-12:01 am

1 stop5h 36m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 4/1

5:40 am-10:05 am

1 stop6h 25m

Rapid City

Sat 4/4

4:00 pm-11:59 pm

1 stop5h 59m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 12/10

3:16 pm-8:37 pm

1 stop7h 21m

Rapid City

Wed 12/17

12:41 pm-11:41 pm

2 stops9h 00m

$294

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 2/18

10:23 am-10:19 pm

2 stops13h 56m

$240

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 2/18

5:50 am-10:13 am

1 stop6h 23m

$291

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sat 12/6

7:15 am-1:11 pm

1 stop7h 56m

$291

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Mon 11/17

8:00 am-2:11 pm

1 stop8h 11m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 13 results
1
2

Compare providers for flights from Boston 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 Boston to Rapid City in November.
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 Boston-Rapid City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Boston 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 Boston to Rapid City

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Rapid City. Price data was last updated on November 7, 2025.

The best time to book flights from Boston to Rapid City is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Boston to Rapid City (average of $260). Flying from Boston to Rapid City in February is currently the most expensive (average of $713). 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 BOS to RAP?

Find hourly flight availability from Boston 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 November 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 33% on flights from Boston to Rapid City by exploring options for tickets in the evening.

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 November 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Boston to Rapid City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,009 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

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
9,015 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

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
11,049 reviews
Delta
7.9
Good
8,009 reviews

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

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 Boston 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 Boston to Rapid City?

    For as low as $289, Delta can have you in Rapid City from Boston in 8h 04m. Airlines will cover a distance of 1607 mi.

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

    Our cheapest airline available from Boston to Rapid City is Delta. Our recent data shows that you can find tickets from as low as $288 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $385 and $403 round-trip. These flights start at 50% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston 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 $240. Delta flights start at $291 while deals on United Airlines start at $291 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Rapid City?

    Currently, August is the cheapest month in which you can book a flight from Boston to Rapid City (average of $260). Flying from Boston to Rapid City in February is currently the most expensive (average of $713). 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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Alternative routes for Boston to Rapid City

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Top 3 airlines flying from Boston to Rapid City

Discover the top 3 airlines that operate flights from Boston 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$551FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$385Average$574FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$403Average$603FlexibilityNo cancel feeOn-time69%

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