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$208+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOS
Jul 27 — Aug 31
Mon 7/27
Mon 8/3
1 adult, Economy
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Cheap 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 June 27, 2026.

This Delta deal was found by Cheapflights users on 6/25. 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 11/62:25 pm
RAP
-
BOS
1 stop5h 59m
Delta
Mon 11/96:00 pm
BOS
-
RAP
1 stop6h 39m
Delta
Deal found 6/25$349
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/1810:26 am
RAP
-
BOS
1 stop9h 33m
United Airlines
Sat 8/226:01 am
BOS
-
RAP
1 stop6h 25m
United Airlines
Deal found 6/26$368
This Sun Country Air deal was found by Cheapflights users on 6/27. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:09 pm
RAP
-
BOS
1 stop15h 29m
Sun Country Air
Mon 7/136:30 am
BOS
-
RAP
1 stop12h 02m
Sun Country Air
Deal found 6/27$375
This Delta deal was found by Cheapflights users on 6/23. 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 8/112:32 pm
RAP
-
BOS
1 stop7h 26m
Delta
Sat 8/155:51 am
BOS
-
RAP
1 stop6h 11m
Delta
Deal found 6/23$414
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 7/101:35 pm
RAP
-
BOS
1 stop7h 46m
United Airlines
Tue 7/146:00 am
BOS
-
RAP
1 stop6h 24m
United Airlines
Deal found 6/25$419
This American Airlines deal was found by Cheapflights users on 6/23. 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 8/113:21 pm
RAP
-
BOS
1 stop17h 11m
American Airlines
Mon 8/176:14 am
BOS
-
RAP
1 stop10h 36m
American Airlines
Deal found 6/23$426
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 11/63:21 pm
RAP
-
BOS
1 stop6h 30m
United Airlines
Mon 11/93:03 pm
BOS
-
RAP
2 stops9h 05m
United Airlines
Deal found 6/25$432
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/261:31 pm
RAP
-
BOS
1 stop6h 28m
United Airlines
Sat 8/296:01 am
BOS
-
RAP
1 stop6h 25m
United Airlines
Deal found 6/22$449
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 9/196:07 pm
RAP
-
BOS
1 stop16h 01m
American Airlines
Wed 9/237:00 am
BOS
-
RAP
1 stop12h 37m
American Airlines
Deal found 6/23$451
This American Airlines deal was found by Cheapflights users on 6/23. 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 9/43:20 pm
RAP
-
BOS
1 stop6h 39m
American Airlines
Sat 9/1212:59 pm
BOS
-
RAP
1 stop10h 24m
American Airlines
Deal found 6/23$452

Find 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 June 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Delta)

One-way from

$208
(Sun Country Air)

Popular in

December

Cheapest in

February

Average price

$565
Provider with most accurate pricing for Rapid City-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Boston Logan Intl flights.
Search Deals
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. 14% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 27, 2026.
Use the filters below to find and compare flights from Rapid City to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 8/18

10:26 am-9:59 pm

1 stop9h 33m

Boston Logan Intl

Sat 8/22

6:01 am-10:26 am

1 stop6h 25m

$368

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 8/11

2:32 pm-11:58 pm

1 stop7h 26m

Boston Logan Intl

Sat 8/15

5:51 am-10:02 am

1 stop6h 11m

$414

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 11/6

3:21 pm-11:51 pm

1 stop6h 30m

Boston Logan Intl

Mon 11/9

3:03 pm-10:08 pm

2 stops9h 05m

$432

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 7/10

1:35 pm-11:59 pm

2 stops8h 24m

Boston Logan Intl

Tue 7/14

6:00 am-10:24 am

1 stop6h 24m

$449

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 7/10

1:35 pm-11:59 pm

2 stops8h 24m

Boston Logan Intl

Wed 7/15

6:43 pm-11:16 pm

1 stop6h 33m

$449

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Wed 8/26

1:31 pm-9:59 pm

1 stop6h 28m

Boston Logan Intl

Sat 8/29

7:05 am-5:43 pm

2 stops12h 38m

$454
Quickest round-trip

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Thu 9/24

2:30 pm-11:59 pm

1 stop7h 29m

Boston Logan Intl

Mon 9/28

5:55 am-10:01 am

1 stop6h 06m

$474

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 9/4

3:20 pm-11:59 pm

1 stop6h 39m

Boston Logan Intl

Sat 9/12

12:59 pm-9:23 pm

1 stop10h 24m

$501
Cheapest one-way

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Mon 8/10

5:28 pm-10:38 am

1 stop15h 10m

$208

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Mon 7/6

5:21 pm-10:38 am

1 stop15h 17m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Rapid City to Boston

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 Rapid City to Boston in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Rapid City-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Boston 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 Rapid City-Boston 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 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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Boston

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

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 June 27, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
7.8
Good
8,451 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
Delta
7.8
Good
8,451 reviews
Delta
7.8
Good
8,451 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
United Airlines
7.4
Good
9,896 reviews
Delta
7.8
Good
8,451 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.
American Airlines
7.1
Good
11,779 reviews
Delta
7.8
Good
8,451 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.8

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Nanette,Sep 2023

TPA - BOS

Although I adhered to 17.7 lbs for carry-on and complied with dimensions of personal item for ITA, I felt very restricted compared to other travelers.

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.

  • How long is the flight from Rapid City to Boston?

    Departing from Rapid City to Boston will take you 7h 26m. Airlines will cover a distance of 1607 mi. This flight may include one or multiple stops.

  • 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 $288. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $308 and $376, respectively. Delta is 44% 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 American Airlines. According to our data, you can fly for as low as $230. Users have also found prices from $230 and $260 on Delta and United Airlines, 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Dedham
Swansea
Lowell
Smithfield
Braintree

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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 June 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$560FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$376Average$476FlexibilityNo cancel feeOn-time69%

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