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 6h 37m. 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 $386 and $403 round-trip. These flights start at 51% lower than the current average price 3 months from now.

What is the cheapest day to fly from Boston to Rapid City?

Travelers seeking maximum savings on their Boston to Rapid City flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What are the most popular airlines that fly from Boston to Rapid City?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Boston to Rapid City.

Most accurate provider : When it comes to deals on Boston-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Rapid City flight deals on Cheapflights vs. FlightHub >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 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 Boston-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$289+ Flights from Boston to Rapid City

Q: How much does it cost to fly round-trip from Boston to Rapid City?

Airfare is below average for this route at the moment. Boston to Rapid City flights typically cost between $463 and $722 in December. The cheapest round-trip price found within the last 3 days was $289 on Delta (Dec 10-Dec 13).

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Find cheap flights from Boston to Rapid City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Boston Logan Intl to Rapid City are usually found in December or October, booked 47 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Boston to Rapid City

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$289 (Delta)
Popular in	February
Cheapest in	December
Average price	$540

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.

Search Deals

From Boston Logan Intl to Rapid City

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($96 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 September 2025

Search Deals

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 September 29, 2025.

Wed 12/1011:43 amBOS - RAP

1 stop6h 02mDelta

Sat 12/1311:02 amRAP - BOS

1 stop6h 38mDelta

Deal found 9/26

$289

Sat 10/255:45 amBOS - RAP

1 stop6h 08mDelta

Sat 11/12:25 pmRAP - BOS

1 stop7h 15mDelta

Deal found 9/27

$344

Thu 10/3011:59 amBOS - RAP

2 stops8h 44mUnited Airlines

Sat 11/18:45 amRAP - BOS

2 stops8h 03mUnited Airlines

Deal found 9/27

$374

Wed 11/56:50 amBOS - RAP

2 stops11h 00mDelta

Mon 11/102:51 pmRAP - BOS

1 stop6h 57mDelta

Deal found 9/27

$379

Mon 10/275:45 amBOS - RAP

1 stop6h 08mDelta

Mon 11/34:34 pmRAP - BOS

1 stop5h 25mDelta

Deal found 9/27

$440

Wed 10/2910:40 amBOS - RAP

2 stops11h 46mUnited Airlines

Sun 11/28:45 amRAP - BOS

1 stop19h 11mUnited Airlines

Deal found 9/28

$441

Wed 11/55:30 amBOS - RAP

2 stops15h 13mUnited Airlines

Mon 11/1012:27 pmRAP - BOS

2 stops10h 18mUnited Airlines

Deal found 9/27

$452

Best flights from Boston to Rapid City
Discover carefully curated flight deals from Boston to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2025.

Wed 12/105:45 amBOS - RAP

1 stop6h 37mDelta

Sat 12/1311:00 amRAP - BOS

1 stop6h 42mDelta

Deal found 9/28

$289

Wed 11/55:45 amBOS - RAP

1 stop6h 08mDelta

Mon 11/1011:07 amRAP - BOS

1 stop6h 36mDelta

Deal found 9/27

$289

Sat 10/255:45 amBOS - RAP

1 stop6h 08mDelta

Sat 11/12:25 pmRAP - BOS

1 stop7h 15mDelta

Deal found 9/27

$344

Thu 10/306:12 pmBOS - RAP

1 stop6h 24mDelta

Sat 11/12:25 pmRAP - BOS

1 stop7h 15mDelta

Deal found 9/27

$344

Last-minute flights from Boston to Rapid City
Discover last-minute flight deals from Boston to Rapid City. Data last updated September 29, 2025 and is based on user searches.

Sat 10/1111:45 amBOS - RAP

1 stop8h 55mUnited Airlines

Wed 10/1511:15 amRAP - BOS

2 stops10h 44mUnited Airlines

Deal found 9/27

$541

Mon 10/138:10 amBOS - RAP

1 stop7h 35mDelta

Fri 10/172:26 pmRAP - BOS

1 stop7h 33mDelta

Deal found 9/28

$536

Sat 10/255:45 amBOS - RAP

1 stop6h 08mDelta

Sat 11/12:25 pmRAP - BOS

1 stop7h 15mDelta

Deal found 9/27

$344

Mon 10/275:45 amBOS - RAP

1 stop6h 08mDelta

Mon 11/34:34 pmRAP - BOS

1 stop5h 25mDelta

Deal found 9/27

$440

Wed 10/2910:40 amBOS - RAP

2 stops11h 46mUnited Airlines

Sun 11/28:45 amRAP - BOS

1 stop19h 11mUnited Airlines

Deal found 9/28

$441

Thu 10/3011:59 amBOS - RAP

2 stops8h 44mUnited Airlines

Sat 11/18:45 amRAP - BOS

2 stops8h 03mUnited Airlines

Deal found 9/27

$374

One-way flights from Boston to Rapid City
Search for one-way flight options from Boston to Rapid City. Find affordable one-way fares based on user searches. Data last updated September 29, 2025.

Tue 11/255:32 amBOS - RAP

1 stop9h 40mAmerican Airlines

Deal found 9/27

$291

Tue 10/77:10 amBOS - RAP

1 stop8h 35mDelta

Deal found 9/28

$321

Tue 10/73:00 pmBOS - RAP

3 stops52h 08mMultiple Airlines

Deal found 9/28

$335

Tue 11/2511:53 amBOS - RAP

3 stops46h 41mAllegiant Air

Deal found 9/28

$445

Tue 11/259:30 amBOS - RAP

2 stops11h 13mUnited Airlines

Deal found 9/29

$446

Tue 11/255:45 amBOS - RAP

3 stops40h 41mMultiple Airlines

Deal found 9/29

$471

Tue 11/255:40 amBOS - RAP

2 stops12h 05mDelta

Deal found 9/28

$481

Fly from

Fly to

Route

Depart

Return

Price

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 12/10

5:45 am-10:22 am

1 stop6h 37m

Rapid City

Sat 12/13

11:00 am-7:42 pm

1 stop6h 42m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 11/5

5:45 am-9:53 am

1 stop6h 08m

Rapid City

Mon 11/10

11:07 am-7:43 pm

1 stop6h 36m

$289

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sat 10/25

5:45 am-9:53 am

1 stop6h 08m

Rapid City

Sat 11/1

2:25 pm-11:40 pm

1 stop7h 15m

$344

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 10/30

6:12 pm-10:36 pm

1 stop6h 24m

Rapid City

Sat 11/1

2:25 pm-11:40 pm

1 stop7h 15m

$344

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 11/25

5:32 am-1:12 pm

1 stop9h 40m

$291

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 10/7

7:10 am-1:45 pm

1 stop8h 35m

$321

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 10/7

3:00 pm-5:08 pm

3 stops52h 08m

$335

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 11/25

9:30 am-6:43 pm

2 stops11h 13m

$446

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 11/25

5:45 am-8:26 pm

3 stops40h 41m

$471

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 11/25

5:40 am-3:45 pm

2 stops12h 05m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Boston to Rapid City

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Rapid City flight deals on Cheapflights vs. FlightHub >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 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 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?

The best time to book flights from Boston to Rapid City is 47 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, January is the cheapest month in which you can book a flight from Boston to Rapid City (average of $348). Flying from Boston to Rapid City in June is currently the most expensive (average of $499). 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?

Unlike at noon, when flights are generally more expensive, you can save up to 10% on flights from Boston to Rapid City by exploring options for tickets in the afternoon.

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

Reviews of airlines servicing Rapid City

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

8.0

Very good

7,964 reviews

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

7,964 reviews

Delta

8.0

Very good

7,964 reviews

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

8,924 reviews

Delta

8.0

Very good

7,964 reviews

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

7,964 reviews

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

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 6h 37m. 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 $386 and $403 round-trip. These flights start at 51% lower than the current average price 3 months from now.
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, January is the cheapest month in which you can book a flight from Boston to Rapid City (average of $348). Flying from Boston to Rapid City in June is currently the most expensive (average of $499). 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

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Other flights to Rapid City

Top 3 airlines flying from Boston to Rapid City

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$288	Average$584	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$386	Average$575	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$403	Average$605	FlexibilityNo cancel fee	On-time69%

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$289+ Cheap flights from Boston to Rapid City (BOS - RAP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Rapid City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boston Logan Intl to Rapid City are usually found in December or October, booked 47 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Boston to Rapid City

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Boston to Rapid City

Cheapest flights from Boston to Rapid CityExplore 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 September 29, 2025.

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 September 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Rapid City that are best for you.

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 September.

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.

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?

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

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

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

Reviews of airlines servicing Rapid City

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.

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?

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

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

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

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

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

Traveling to a place near Rapid City?

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Alternative routes for Boston to Rapid City

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Top 3 airlines flying from Boston to Rapid City

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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 September 29, 2025.