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$200+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — BOS
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This Delta deal was found by Cheapflights users on 5/11. 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 6/52:36 pm
RAP
-
BOS
1 stop7h 18m
Delta
Sun 6/145:55 am
BOS
-
RAP
1 stop6h 32m
Delta
Deal found 5/11$359
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 6/52:36 pm
RAP
-
BOS
1 stop7h 18m
Delta
Sat 6/135:55 am
BOS
-
RAP
1 stop6h 32m
Delta
Deal found 5/9$379
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:20 am
RAP
-
BOS
1 stop8h 39m
United Airlines
Sat 6/136:40 pm
BOS
-
RAP
1 stop6h 36m
United Airlines
Deal found 5/11$405
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 7/312:41 pm
RAP
-
BOS
1 stop9h 18m
American Airlines
Wed 7/85:10 am
BOS
-
RAP
1 stop8h 04m
American Airlines
Deal found 5/7$423
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:23 pm
RAP
-
BOS
1 stop6h 36m
American Airlines
Mon 8/106:10 am
BOS
-
RAP
1 stop10h 41m
American Airlines
Deal found 5/11$424
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:19 pm
RAP
-
BOS
1 stop7h 09m
American Airlines
Sat 6/136:00 am
BOS
-
RAP
1 stop8h 17m
American Airlines
Deal found 5/9$428
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 6/65:00 am
RAP
-
BOS
1 stop6h 49m
United Airlines
Thu 6/115:05 pm
BOS
-
RAP
1 stop8h 11m
United Airlines
Deal found 5/8$429
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:23 pm
RAP
-
BOS
1 stop6h 36m
American Airlines
Sat 9/124:06 pm
BOS
-
RAP
1 stop7h 52m
American Airlines
Deal found 5/11$448
This Delta deal was found by Cheapflights users on 5/11. 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.
Thu 7/302:31 pm
RAP
-
BOS
1 stop7h 24m
Delta
Sun 8/95:30 am
BOS
-
RAP
1 stop7h 51m
Delta
Deal found 5/11$449
This United Airlines deal was found by Cheapflights users on 5/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:26 am
RAP
-
BOS
2 stops9h 07m
United Airlines
Wed 10/284:57 pm
BOS
-
RAP
1 stop7h 11m
United Airlines
Deal found 5/6$454

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)

One-way from

$200
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$574
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. 12% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 11, 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
Quickest round-trip

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 6/5

2:36 pm-11:54 pm

1 stop7h 18m

Boston Logan Intl

Sun 6/14

5:55 am-10:27 am

1 stop6h 32m

$359

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 6/5

2:36 pm-11:54 pm

1 stop7h 18m

Boston Logan Intl

Sat 6/13

5:55 am-10:27 am

1 stop6h 32m

$379

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 7/3

12:30 pm-11:54 pm

2 stops9h 24m

Boston Logan Intl

Wed 7/8

5:55 am-10:18 am

1 stop6h 23m

$424

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sat 6/6

5:00 am-1:49 pm

1 stop6h 49m

Boston Logan Intl

Thu 6/11

5:05 pm-11:16 pm

1 stop8h 11m

$429

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Thu 7/30

11:00 am-11:59 pm

2 stops10h 59m

Boston Logan Intl

Sun 8/9

6:45 am-3:49 pm

2 stops11h 04m

$429

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Fri 9/4

3:23 pm-11:59 pm

1 stop6h 36m

Boston Logan Intl

Sat 9/12

4:06 pm-9:58 pm

1 stop7h 52m

$448

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Sat 10/24

1:00 pm-11:42 pm

1 stop8h 42m

Boston Logan Intl

Wed 10/28

9:10 am-5:03 pm

1 stop9h 53m

$449
Cheapest one-way
Quickest one-way

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 6/23

1:35 pm-11:21 pm

1 stop7h 46m

$200

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Tue 6/23

11:00 am-1:31 am

2 stops12h 31m

$210

Rapid CityBoston

RAP - BOS

RAPBOS

Rapid City

Thu 9/10

12:36 pm-11:45 am

2 stops45h 09m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 15 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 May.
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 May 11, 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
7.9
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,451 reviews
Delta
7.9
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,699 reviews
Delta
7.9
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,667 reviews
Delta
7.9
Good
8,451 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 6h 49m. 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 $385, respectively. Delta is 43% 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
York Beach
Seabrook
Londonderry
Swansea
Old Orchard Beach
Auburn
Quincy
Lowell

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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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$560FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$500FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$385Average$558FlexibilityNo cancel feeOn-time69%

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