HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$153+ Cheap flights from Rapid City to Boston (RAP - BOS)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to Boston 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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Rapid City to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Boston (BOS). 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 July 29, 2025.

Round-trip from

$289
(Delta)

One-way from

$153
(Booking.com)

Popular in

March

Cheapest in

September

Average price

$588
From Rapid City to Boston Logan Intl
Search Deals
One-way flight from Rapid City to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Rapid City to Boston

Cheapest flights from Rapid City to Boston
Explore the most affordable flight options available from Rapid City to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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 10/1810:33 amRAP - BOS
1 stop6h 57mDelta
Tue 10/217:10 amBOS - RAP
1 stop8h 35mDelta
Deal found 7/29$289
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/2611:18 amRAP - BOS
1 stop6h 43mUnited Airlines
Tue 9/26:10 amBOS - RAP
1 stop6h 12mUnited Airlines
Deal found 7/29$307
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 9/101:12 pmRAP - BOS
1 stop5h 48mAmerican Airlines
Wed 9/176:00 amBOS - RAP
1 stop8h 03mAmerican Airlines
Deal found 7/27$395

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Boston 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 July 29, 2025.
Use the filters below to find and compare flights from Rapid City to Boston that are best for you.

Fly from

Rapid City

Fly to

Boston

Route

Depart

Return

Price

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sat 10/18

10:33 am-7:30 pm

1 stop6h 57m

Boston Logan Intl

Tue 10/21

7:10 am-1:45 pm

1 stop8h 35m

$289

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 8/26

11:18 am-8:01 pm

1 stop6h 43m

Boston Logan Intl

Tue 9/2

6:10 am-10:22 am

1 stop6h 12m

$307

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Wed 9/10

1:12 pm-9:00 pm

1 stop5h 48m

Boston Logan Intl

Wed 9/17

6:00 am-12:03 pm

1 stop8h 03m

$395

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Mon 8/18

5:09 pm-10:37 am

1 stop15h 28m

$153

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Mon 8/18

5:09 pm-10:34 pm

2 stops27h 25m

$176

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Wed 9/3

1:45 pm-9:32 am

1 stop17h 47m

$199

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Wed 9/3

10:55 am-11:54 pm

2 stops10h 59m

$208

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sat 9/13

5:30 am-5:34 pm

2 stops10h 04m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Rapid City to Boston

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

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Rapid City to Boston 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
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
Sun Country Air
6.9
Okay
333 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 Rapid City to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flying on Delta is currently your cheapest option to Boston, with prices starting at $289. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $307 and $395, respectively. Delta is 51% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Sun Country Air. According to our data, you can fly for as low as $153. Users have also found prices from $199 and $208 on American Airlines and Delta, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Rapid City to Boston (average of $218). Flying from Rapid City to Boston in July is currently the most expensive (average of $311). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Seabrook
Waltham
Framingham
Lowell
Randolph
Smithfield
Cranston
Chestnut Hill
York Beach
Chelsea
Saco
Burlington
Hampton Beach
Swansea
Lincoln
Quincy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Boston flights
Rapid City to Hartford flights
Rapid City to Albany flights
Sioux Falls to Hartford flights
Sioux Falls to Albany flights
Aberdeen to Albany flights

Top 3 airlines flying from Rapid City to Boston

Discover the top 3 airlines that operate flights from Rapid City to Boston. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$313Average$588FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$373Average$578FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$399Average$620FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.