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$173+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOS
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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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 August 7, 2025.

Round-trip from

$289
(Delta)

One-way from

$173
(Booking.com)

Popular in

March

Cheapest in

September

Average price

$481
From Rapid City to Boston Logan Intl
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One-way flight from Rapid City to Boston Logan Intl
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Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 7, 2025.

This Delta deal was found by Cheapflights users on 8/5. 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 9/96:25 amRAP - BOS
1 stop5h 49mDelta
Sat 9/136:05 pmBOS - RAP
1 stop6h 25mDelta
Deal found 8/5$289
This Delta deal was found by Cheapflights users on 8/7. 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 9/610:55 amRAP - BOS
2 stops12h 26mDelta
Sat 9/136:05 pmBOS - RAP
1 stop6h 25mDelta
Deal found 8/7$294
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 9/91:12 pmRAP - BOS
1 stop19h 17mAmerican Airlines
Sat 9/207:00 pmBOS - RAP
1 stop19h 42mAmerican Airlines
Deal found 8/7$319
This Delta deal was found by Cheapflights users on 8/5. 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 10/2110:33 amRAP - BOS
2 stops9h 47mDelta
Sat 10/256:50 amBOS - RAP
2 stops11h 00mDelta
Deal found 8/5$324
This Delta deal was found by Cheapflights users on 8/5. 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 9/610:55 amRAP - BOS
2 stops12h 26mDelta
Wed 9/104:00 pmBOS - RAP
2 stops8h 32mDelta
Deal found 8/5$354
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 9/191:12 pmRAP - BOS
1 stop8h 41mAmerican Airlines
Mon 9/225:00 amBOS - RAP
1 stop9h 42mAmerican Airlines
Deal found 8/6$360
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:15 pmRAP - BOS
2 stops27h 19mMultiple Airlines
Thu 9/45:50 amBOS - RAP
2 stops12h 59mMultiple Airlines
Deal found 8/6$362
This Delta deal was found by Cheapflights users on 8/7. 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 10/74:34 pmRAP - BOS
1 stop5h 25mDelta
Mon 10/137:10 amBOS - RAP
1 stop8h 35mDelta
Deal found 8/7$369

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 August 7, 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

Tue 9/9

6:25 am-2:14 pm

1 stop5h 49m

Boston Logan Intl

Sat 9/13

6:05 pm-10:30 pm

1 stop6h 25m

$289

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sat 9/6

10:55 am-1:21 am

2 stops12h 26m

Boston Logan Intl

Sat 9/13

6:05 pm-10:30 pm

1 stop6h 25m

$294

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 9/9

1:12 pm-10:29 am

1 stop19h 17m

Boston Logan Intl

Sat 9/20

7:00 pm-12:42 pm

1 stop19h 42m

$319

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 10/21

10:33 am-10:20 pm

2 stops9h 47m

Boston Logan Intl

Sat 10/25

6:50 am-3:50 pm

2 stops11h 00m

$324

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sat 9/6

10:55 am-1:21 am

2 stops12h 26m

Boston Logan Intl

Wed 9/10

4:00 pm-10:32 pm

2 stops8h 32m

$354

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 9/19

1:12 pm-11:53 pm

1 stop8h 41m

Boston Logan Intl

Mon 9/22

5:00 am-12:42 pm

1 stop9h 42m

$360

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 8/29

5:15 pm-10:34 pm

2 stops27h 19m

Boston Logan Intl

Thu 9/4

5:50 am-4:49 pm

2 stops12h 59m

$362

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 10/7

4:34 pm-11:59 pm

1 stop5h 25m

Boston Logan Intl

Mon 10/13

7:10 am-1:45 pm

1 stop8h 35m

$369

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sun 9/28

4:55 pm-10:41 am

1 stop15h 46m

$173

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sun 9/28

5:39 pm-11:13 am

2 stops15h 34m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 15 results
1
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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 August 7, 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
7,987 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

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
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

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
8,916 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

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
7,987 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

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
334 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

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 is the cheapest airline to fly from Rapid City to Boston round-trip?

    Flying on Delta is currently your cheapest option to Boston, with prices starting at $289. Delta is 51% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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
Waltham
Seabrook
Framingham
Lowell
Hampton Beach
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Saco
Swansea
Burlington

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Alternative routes for Rapid City to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$313Average$588FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$373Average$530FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$399Average$620FlexibilityNo cancel feeOn-time69%

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