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Cheap flights from Boston to Rapid City from $187

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 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:50 am - 10:09 am
BOS
-
RAP
6h 19m
1 stop
Delta Logo
10:54 am - 7:15 pm
RAP
-
BOS
6h 21m
1 stop
$309Delta
Thu, Feb 19 - Wed, Feb 25
Delta Logo
6:00 am - 3:44 pm
BOS
-
RAP
11h 44m
2 stops
Delta Logo
6:00 am - 2:13 pm
RAP
-
BOS
6h 13m
1 stop
$314Delta
Thu, Feb 19 - Wed, Feb 25
Delta Logo
3:00 pm - 10:27 pm
BOS
-
RAP
9h 27m
2 stops
Delta Logo
10:54 am - 1:09 am
RAP
-
BOS
12h 15m
2 stops
$320Delta
Thu, Feb 19 - Wed, Feb 25
Delta Logo
5:50 am - 10:11 am
BOS
-
RAP
6h 21m
1 stop
Delta Logo
6:00 am - 2:13 pm
RAP
-
BOS
6h 13m
1 stop
$334Delta
Tue, Feb 10 - Tue, Feb 17
Delta Logo
6:00 am - 3:25 pm
BOS
-
RAP
11h 25m
2 stops
Delta Logo
6:00 am - 2:13 pm
RAP
-
BOS
6h 13m
1 stop
$339Delta
Tue, Feb 10 - Tue, Feb 17
Delta Logo
4:58 pm - 10:28 pm
BOS
-
RAP
7h 30m
2 stops
Delta Logo
6:00 am - 4:20 pm
RAP
-
BOS
8h 20m
2 stops
$345Delta
Tue, Feb 10 - Tue, Feb 17
Delta Logo
5:50 am - 10:11 am
BOS
-
RAP
6h 21m
1 stop
Delta Logo
10:54 am - 7:15 pm
RAP
-
BOS
6h 21m
1 stop
$359Delta
Tue, Feb 10 - Sun, Feb 15
Delta Logo
2:00 pm - 10:28 pm
BOS
-
RAP
10h 28m
2 stops
Delta Logo
6:00 am - 2:13 pm
RAP
-
BOS
6h 13m
1 stop
$364Delta
Tue, Feb 10 - Mon, Feb 16
Delta Logo
6:00 am - 3:44 pm
BOS
-
RAP
11h 44m
2 stops
Delta Logo
6:00 am - 2:13 pm
RAP
-
BOS
6h 13m
1 stop
$369Delta
Thu, Feb 12 - Tue, Feb 17
Delta Logo
1:00 pm - 10:28 pm
BOS
-
RAP
11h 28m
2 stops
Delta Logo
6:00 am - 6:20 pm
RAP
-
BOS
10h 20m
2 stops
$370Delta
Tue, Feb 10 - Sun, Feb 15

United Airlines flights from Boston to Rapid City

Our best United Airlines deals on Boston to Rapid City flight tickets
United Airlines
Feb 23
BOS3:09 pmBoston Logan Intl
7h 35m
1 stop
RAP8:44 pmRapid City
Feb 24
RAP5:20 amRapid City
6h 34m
1 stop
BOS1:54 pmBoston Logan Intl
$421
United Airlines
Feb 23
BOS4:47 pmBoston Logan Intl
7h 29m
1 stop
RAP10:16 pmRapid City
Feb 24
RAP5:20 amRapid City
9h 59m
2 stops
BOS5:19 pmBoston Logan Intl
$422
United Airlines
Feb 23
BOS6:00 amBoston Logan Intl
9h 13m
2 stops
RAP1:13 pmRapid City
Feb 25
RAP7:00 amRapid City
8h 19m
2 stops
BOS5:19 pmBoston Logan Intl
$432

Delta flights from Boston to Rapid City

Our best Delta deals on Boston to Rapid City flight tickets
Delta
Feb 19
BOS5:50 amBoston Logan Intl
6h 19m
1 stop
RAP10:09 amRapid City
Feb 25
RAP10:54 amRapid City
6h 21m
1 stop
BOS7:15 pmBoston Logan Intl
$309
Delta
Feb 19
BOS6:00 amBoston Logan Intl
11h 44m
2 stops
RAP3:44 pmRapid City
Feb 25
RAP6:00 amRapid City
6h 13m
1 stop
BOS2:13 pmBoston Logan Intl
$314
Delta
Feb 19
BOS3:00 pmBoston Logan Intl
9h 27m
2 stops
RAP10:27 pmRapid City
Feb 25
RAP10:54 amRapid City
12h 15m
2 stops
BOS1:09 amBoston Logan Intl
$320

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 January 29, 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

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 2/19

5:50 am-10:09 am

1 stop6h 19m

Rapid City

Wed 2/25

10:54 am-7:15 pm

1 stop6h 21m

$309

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 2/19

6:00 am-3:44 pm

2 stops11h 44m

Rapid City

Wed 2/25

6:00 am-2:13 pm

1 stop6h 13m

$314

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 2/19

3:00 pm-10:27 pm

2 stops9h 27m

Rapid City

Wed 2/25

10:54 am-1:09 am

2 stops12h 15m

$320

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 2/10

5:50 am-10:11 am

1 stop6h 21m

Rapid City

Tue 2/17

6:00 am-2:13 pm

1 stop6h 13m

$334

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 2/10

6:00 am-3:25 pm

2 stops11h 25m

Rapid City

Tue 2/17

6:00 am-2:13 pm

1 stop6h 13m

$339

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 2/10

4:58 pm-10:28 pm

2 stops7h 30m

Rapid City

Tue 2/17

6:00 am-4:20 pm

2 stops8h 20m

$345

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 2/10

5:50 am-10:11 am

1 stop6h 21m

Rapid City

Sun 2/15

10:54 am-7:15 pm

1 stop6h 21m

$359

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 2/10

2:00 pm-10:28 pm

2 stops10h 28m

Rapid City

Mon 2/16

6:00 am-2:13 pm

1 stop6h 13m

$364

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 2/12

6:00 am-3:44 pm

2 stops11h 44m

Rapid City

Tue 2/17

6:00 am-2:13 pm

1 stop6h 13m

$369

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Tue 2/10

1:00 pm-10:28 pm

2 stops11h 28m

Rapid City

Sun 2/15

6:00 am-6:20 pm

2 stops10h 20m

$370

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?

What is the cheapest month to fly to Rapid City?

The month of November is, on average, the cheapest month to fly to Rapid City from Boston, with most prices found around $473. If you aren’t able to travel to Rapid City during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $495.

How far in advance should I book a flight 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 $571 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 $429 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 02m

Direct flights

None
The fastest flight from Boston to Rapid City takes 6h 02m
There are no direct flights from Boston to Rapid City. There are no popular flight routes from Boston to Rapid City.
Search flight deals

  • 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 02m, 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 $288Free CancellationRating
7.9
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $374Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
9,215 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
Hill City
Wall
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

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