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Cheap flights from Boston to Rapid City from $194

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Rapid City departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:35 am - 4:06 pmBOS  Boston Logan Intl-RAP Rapid City
8h 31m1 stop Denver Intl
United Airlines Logo
1:36 pm - 9:59 pmRAP  Rapid City-BOS Boston Logan Intl
6h 23m1 stop Chicago O'Hare Intl
$359United Airlines
Wed, Sep 2 - Wed, Sep 9
Delta Logo
5:50 am - 10:45 amBOS  Boston Logan Intl-RAP Rapid City
6h 55m1 stop Minneapolis St Paul
Delta Logo
6:40 am - 4:46 pmRAP  Rapid City-BOS Boston Logan Intl
8h 06m1 stop Minneapolis St Paul
$359Delta
Wed, Nov 4 - Tue, Nov 10
United Airlines Logo
11:00 am - 5:58 pmBOS  Boston Logan Intl-RAP Rapid City
8h 58m2 stops Newark Denver Intl
United Airlines Logo
1:36 pm - 9:59 pmRAP  Rapid City-BOS Boston Logan Intl
6h 23m1 stop Chicago O'Hare Intl
$364United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
6:00 am - 10:15 amBOS  Boston Logan Intl-RAP Rapid City
6h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
1:37 pm - 11:24 pmRAP  Rapid City-BOS Boston Logan Intl
7h 47m1 stop Chicago O'Hare Intl
$394United Airlines
Thu, Sep 24 - Wed, Sep 30
United Airlines Logo
5:08 pm - 10:28 pmBOS  Boston Logan Intl-RAP Rapid City
7h 20m1 stop Denver Intl
United Airlines Logo
1:31 pm - 11:59 pmRAP  Rapid City-BOS Boston Logan Intl
8h 28m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$413United Airlines
Mon, Aug 24 - Mon, Aug 31
Delta Logo
9:45 pm - 10:45 amBOS  Boston Logan Intl-RAP Rapid City
15h 00m2 stops Washington, D.C. Reagan-National Minneapolis St Paul
Delta Logo
2:23 pm - 11:46 pmRAP  Rapid City-BOS Boston Logan Intl
7h 23m1 stop Minneapolis St Paul
$415Delta
Fri, Nov 6 - Mon, Nov 9
American Airlines Logo
6:14 am - 11:15 amBOS  Boston Logan Intl-RAP Rapid City
7h 01m1 stop Chicago O'Hare Intl
American Airlines Logo
3:25 pm - 11:58 pmRAP  Rapid City-BOS Boston Logan Intl
6h 33m1 stop Chicago O'Hare Intl
$429American Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
8:30 am - 4:23 pmBOS  Boston Logan Intl-RAP Rapid City
9h 53m1 stop Dallas/Fort Worth
American Airlines Logo
12:51 pm - 11:55 pmRAP  Rapid City-BOS Boston Logan Intl
9h 04m1 stop Dallas/Fort Worth
$429American Airlines
Thu, Oct 1 - Mon, Oct 5
Delta Logo
5:50 am - 10:45 amBOS  Boston Logan Intl-RAP Rapid City
6h 55m1 stop Minneapolis St Paul
Delta Logo
4:38 pm - 12:20 amRAP  Rapid City-BOS Boston Logan Intl
5h 42m1 stop Minneapolis St Paul
$429Delta
Fri, Oct 16 - Mon, Oct 19
American Airlines Logo
6:00 am - 11:15 amBOS  Boston Logan Intl-RAP Rapid City
7h 15m1 stop Chicago O'Hare Intl
American Airlines Logo
10:19 am - 10:29 pmRAP  Rapid City-BOS Boston Logan Intl
10h 10m1 stop Dallas/Fort Worth
$433American Airlines
Fri, Sep 25 - Sat, Oct 3

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American Airlines flights from Boston to Rapid City

Our best American Airlines deals on Boston to Rapid City flight tickets
American Airlines
Aug 25
BOS6:14 amBoston Logan Intl
7h 01m
1 stop
RAP11:15 amRapid City
Aug 29
RAP3:25 pmRapid City
6h 33m
1 stop
BOS11:58 pmBoston Logan Intl
$429
American Airlines
Sep 25
BOS6:00 amBoston Logan Intl
8h 17m
1 stop
RAP12:17 pmRapid City
Oct 3
RAP10:19 amRapid City
9h 08m
1 stop
BOS9:27 pmBoston Logan Intl
$433
American Airlines
Nov 4
BOS12:41 pmBoston Logan Intl
10h 46m
1 stop
RAP9:27 pmRapid City
Nov 10
RAP6:11 amRapid City
13h 35m
2 stops
BOS9:46 pmBoston Logan Intl
$444

United Airlines flights from Boston to Rapid City

Our best United Airlines deals on Boston to Rapid City flight tickets
United Airlines
Sep 2
BOS9:35 amBoston Logan Intl
8h 31m
1 stop
RAP4:06 pmRapid City
Sep 9
RAP1:36 pmRapid City
6h 23m
1 stop
BOS9:59 pmBoston Logan Intl
$359
United Airlines
Sep 2
BOS11:00 amBoston Logan Intl
8h 58m
2 stops
RAP5:58 pmRapid City
Sep 9
RAP1:36 pmRapid City
6h 23m
1 stop
BOS9:59 pmBoston Logan Intl
$364
United Airlines
Sep 24
BOS6:00 amBoston Logan Intl
6h 15m
1 stop
RAP10:15 amRapid City
Sep 30
RAP1:37 pmRapid City
7h 47m
1 stop
BOS11:24 pmBoston Logan Intl
$394

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Rapid City 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, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Boston to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Wed 9/2

9:35 am-4:06 pm

1 stop8h 31m

Rapid City

Wed 9/9

1:36 pm-9:59 pm

1 stop6h 23m

$359

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Wed 11/4

5:50 am-10:45 am

1 stop6h 55m

Rapid City

Tue 11/10

6:40 am-4:46 pm

1 stop8h 06m

$359

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Wed 9/2

11:00 am-5:58 pm

2 stops8h 58m

Rapid City

Wed 9/9

1:36 pm-9:59 pm

1 stop6h 23m

$364

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Thu 9/24

6:00 am-10:15 am

1 stop6h 15m

Rapid City

Wed 9/30

1:37 pm-11:24 pm

1 stop7h 47m

$394

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Mon 8/24

5:08 pm-10:28 pm

1 stop7h 20m

Rapid City

Mon 8/31

1:31 pm-11:59 pm

2 stops8h 28m

$413

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Fri 11/6

9:45 pm-10:45 am

2 stops15h 00m

Rapid City

Mon 11/9

2:23 pm-11:46 pm

1 stop7h 23m

$415

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Tue 8/25

6:14 am-11:15 am

1 stop7h 01m

Rapid City

Sat 8/29

3:25 pm-11:58 pm

1 stop6h 33m

$429

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Thu 10/1

8:30 am-4:23 pm

1 stop9h 53m

Rapid City

Mon 10/5

12:51 pm-11:55 pm

1 stop9h 04m

$429
Quickest round-trip

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Fri 10/16

5:50 am-10:45 am

1 stop6h 55m

Rapid City

Mon 10/19

4:38 pm-12:20 am

1 stop5h 42m

$429

BostonRapid City

BOS Boston Logan Intl - RAP Rapid City

BOSRAP

Boston Logan Intl

Fri 9/25

6:00 am-11:15 am

1 stop7h 15m

Rapid City

Sat 10/3

10:19 am-10:29 pm

1 stop10h 10m

$433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rapid City from

How to get the cheapest flight ticket from Boston to Rapid City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Rapid City?

Prices are currently low for flights on this route.

Typical prices usually range from $448 to $692.
The lowest price recently found on this route was $359.

What is the cheapest month to fly to Rapid City?

The month of April is, on average, the cheapest month to fly to Rapid City from Boston, with most prices found around $403. If you aren’t able to travel to Rapid City during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $450.

How far in advance should I book a flight from Boston to Rapid City?

You are more likely to see cheaper flights to Rapid City from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Rapid City for around $533 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rapid City from Boston for as low as $433 on momondo.

When to book flights from Boston to Rapid City

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Rapid City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Rapid City (BOS to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Rapid City

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from Boston to Rapid City takes 6h 15m
There are no direct flights from Boston to Rapid City. There are no popular flight routes from Boston to Rapid City.
Search flight deals

Frequently asked questions about flying from Boston to Rapid City

  • How far is Boston Logan Intl to Rapid City by plane?

    There are 1612.8 mi between Boston Logan Intl and Rapid City. Flights usually cover this in 6h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Rapid City Airport?

    Prices for flights from Boston Logan Intl Airport to Rapid City Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Rapid City Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Rapid City Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The travel and health documents required for your trip to Rapid City Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Rapid City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Rapid City?

Best airlines flying from Boston to Rapid City

Compare and see reviews for airlines that fly from Boston to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $328Free CancellationRating
7.8
8,491 reviews
Search Delta flights
American AirlinesPriceFrom $368Free CancellationRating
7.1
11,867 reviews
Search American Airlines flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Sturgis
Keystone
Custer
Hot Springs
Spearfish
Hill City
Wall

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Rapid City?

Finding the right flight to Rapid City from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Rapid City quick and easy, saving you time and money.

Can I find flights from Boston to Rapid City with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Rapid City from Boston with this policy.

How can momondo help me find flights from Boston to Rapid City?

momondo provides multiple filters to help you find the best flight to Rapid City from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Rapid City right now. Can momondo alert me if prices change?

Price alerts on flights to Rapid City from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Rapid City trip

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