Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Rapid City from $163

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 7/14. 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.
Delta Logo
6:00 pm - 10:39 pm
BOS
-
RAP
6h 39m
1 stop
Delta Logo
4:00 pm - 11:53 pm
RAP
-
BOS
5h 53m
1 stop
$349Delta
Wed, Nov 4 - Tue, Nov 10
United Airlines Logo
6:00 am - 10:26 am
BOS
-
RAP
6h 26m
1 stop
United Airlines Logo
11:22 am - 11:34 pm
RAP
-
BOS
10h 12m
2 stops
$354United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
6:00 am - 10:24 am
BOS
-
RAP
6h 24m
1 stop
United Airlines Logo
1:35 pm - 11:21 pm
RAP
-
BOS
7h 46m
1 stop
$371United Airlines
Wed, Jul 22 - Wed, Jul 29
United Airlines Logo
6:00 am - 10:24 am
BOS
-
RAP
6h 24m
1 stop
United Airlines Logo
1:35 pm - 11:21 pm
RAP
-
BOS
7h 46m
1 stop
$373United Airlines
Wed, Jul 22 - Wed, Jul 29
United Airlines Logo
6:00 am - 10:24 am
BOS
-
RAP
6h 24m
1 stop
United Airlines Logo
1:31 pm - 9:59 pm
RAP
-
BOS
6h 28m
1 stop
$379United Airlines
Tue, Jul 21 - Tue, Aug 11
Delta Logo
11:50 am - 3:48 pm
BOS
-
RAP
5h 58m
1 stop
Delta Logo
6:48 am - 4:50 pm
RAP
-
BOS
8h 02m
1 stop
$384Delta
Fri, Jul 3 - Thu, Jul 9
American Airlines Logo
8:00 am - 4:23 pm
BOS
-
RAP
10h 23m
1 stop
American Airlines Logo
10:19 am - 9:27 pm
RAP
-
BOS
9h 08m
1 stop
$399American Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
6:00 am - 10:24 am
BOS
-
RAP
6h 24m
1 stop
United Airlines Logo
11:22 am - 9:59 pm
RAP
-
BOS
8h 37m
2 stops
$408United Airlines
Tue, Jul 21 - Tue, Aug 11
Delta Logo
6:00 pm - 10:39 pm
BOS
-
RAP
6h 39m
1 stop
Delta Logo
11:30 am - 7:11 pm
RAP
-
BOS
5h 41m
1 stop
$414Delta
Thu, Oct 15 - Sat, Oct 24
Sun Country Air Logo
11:55 am - 2:22 pm
BOS
-
RAP
28h 27m
1 stop
Sun Country Air Logo
6:33 pm - 10:38 am
RAP
-
BOS
14h 05m
1 stop
$415Sun Country Air
Thu, Jul 23 - Mon, Jul 27

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Sun Country Air flights from Boston to Rapid City

Our best Sun Country Air deals on Boston to Rapid City flight tickets
Sun Country Air
Jul 23
BOS11:55 amBoston Logan Intl
28h 27m
1 stop
RAP2:22 pmRapid City
Jul 27
RAP6:33 pmRapid City
14h 05m
1 stop
BOS10:38 amBoston Logan Intl
$415
Sun Country Air
Jul 24
BOS10:31 amBoston Logan Intl
5h 51m
1 stop
RAP2:22 pmRapid City
Jul 27
RAP6:33 pmRapid City
14h 05m
1 stop
BOS10:38 amBoston Logan Intl
$430
Sun Country Air
Jul 23
BOS11:55 amBoston Logan Intl
28h 27m
1 stop
RAP2:22 pmRapid City
Jul 27
RAP6:33 pmRapid City
14h 05m
1 stop
BOS10:38 amBoston Logan Intl
$435

United Airlines flights from Boston to Rapid City

Our best United Airlines deals on Boston to Rapid City flight tickets
United Airlines
Aug 18
BOS6:00 amBoston Logan Intl
6h 26m
1 stop
RAP10:26 amRapid City
Aug 22
RAP11:22 amRapid City
10h 12m
2 stops
BOS11:34 pmBoston Logan Intl
$354
United Airlines
Jul 22
BOS6:00 amBoston Logan Intl
6h 24m
1 stop
RAP10:24 amRapid City
Jul 29
RAP1:35 pmRapid City
7h 46m
1 stop
BOS11:21 pmBoston Logan Intl
$371
United Airlines
Jul 22
BOS6:00 amBoston Logan Intl
6h 24m
1 stop
RAP10:24 amRapid City
Jul 29
RAP1:35 pmRapid City
7h 46m
1 stop
BOS11:21 pmBoston Logan Intl
$373

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 June 21, 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 - RAP

BOSRAP

Boston Logan Intl

Wed 11/4

6:00 pm-10:39 pm

1 stop6h 39m

Rapid City

Tue 11/10

4:00 pm-11:53 pm

1 stop5h 53m

$349

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 8/18

6:00 am-10:26 am

1 stop6h 26m

Rapid City

Sat 8/22

11:22 am-11:34 pm

2 stops10h 12m

$354

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 7/22

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Wed 7/29

1:35 pm-11:21 pm

1 stop7h 46m

$371

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 7/22

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Wed 7/29

1:35 pm-11:21 pm

1 stop7h 46m

$373

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 7/21

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Tue 8/11

1:31 pm-9:59 pm

1 stop6h 28m

$379

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Fri 7/3

11:50 am-3:48 pm

1 stop5h 58m

Rapid City

Thu 7/9

6:48 am-4:50 pm

1 stop8h 02m

$384

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 9/22

8:00 am-4:23 pm

1 stop10h 23m

Rapid City

Tue 9/29

10:19 am-9:27 pm

1 stop9h 08m

$399

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 7/21

6:00 am-10:24 am

1 stop6h 24m

Rapid City

Tue 8/11

11:22 am-9:59 pm

2 stops8h 37m

$408
Quickest round-trip

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 10/15

6:00 pm-10:39 pm

1 stop6h 39m

Rapid City

Sat 10/24

11:30 am-7:11 pm

1 stop5h 41m

$414

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 7/23

11:55 am-2:22 pm

1 stop28h 27m

Rapid City

Mon 7/27

6:33 pm-10:38 am

1 stop14h 05m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $531 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

5h 51m

Direct flights

None
The fastest flight from Boston to Rapid City takes 5h 51m
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 5h 51m, 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 $308Free CancellationRating
7.8
8,420 reviews
Search Delta flights
American AirlinesPriceFrom $335Free CancellationRating
7.1
11,715 reviews
Search American Airlines flights
United AirlinesPriceFrom $378Free CancellationRating
7.4
9,865 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
Keystone
Sturgis
Custer
Spearfish
Wall
Hill City
Hot Springs

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/21
Tue 7/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States