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Cheap flights from Boston to Rapid City from $244

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 5/27. 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
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
6:10 pm - 10:28 pm
BOS
-
RAP
6h 18m1 stop
Delta Logo
10:54 am - 7:10 pm
RAP
-
BOS
6h 16m1 stop
$309Delta
Thu, Jan 8 - Thu, Jan 15
Delta Logo
5:35 am - 3:25 pm
BOS
-
RAP
11h 50m2 stops
Delta Logo
4:10 pm - 11:52 pm
RAP
-
BOS
5h 42m1 stop
$314Delta
Thu, Jan 8 - Thu, Jan 15
Delta Logo
7:00 am - 3:25 pm
BOS
-
RAP
10h 25m2 stops
Delta Logo
6:00 am - 4:23 pm
RAP
-
BOS
8h 23m2 stops
$319Delta
Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
11:17 am - 5:12 pm
BOS
-
RAP
7h 55m1 stop
United Airlines Logo
12:35 pm - 11:46 pm
RAP
-
BOS
9h 11m1 stop
$399United Airlines
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
9:30 am - 5:12 pm
BOS
-
RAP
9h 42m2 stops
United Airlines Logo
12:35 pm - 11:46 pm
RAP
-
BOS
9h 11m1 stop
$404United Airlines
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
9:30 am - 7:14 pm
BOS
-
RAP
11h 44m2 stops
United Airlines Logo
7:00 am - 6:57 pm
RAP
-
BOS
9h 57m2 stops
$409United Airlines
Sat, Jan 31 - Wed, Feb 4
Delta Logo
5:40 am - 9:58 am
BOS
-
RAP
6h 18m1 stop
Delta Logo
4:00 pm - 11:52 pm
RAP
-
BOS
5h 52m1 stop
$434Delta
Sun, May 31 - Sat, Jun 6
American Airlines Logo
5:25 am - 11:05 am
BOS
-
RAP
7h 40m1 stop
American Airlines Logo
4:40 pm - 1:26 am
RAP
-
BOS
6h 46m1 stop
$444American Airlines
Wed, May 27 - Sun, Jun 7
Delta Logo
5:40 am - 9:58 am
BOS
-
RAP
6h 18m1 stop
Delta Logo
2:25 pm - 11:52 pm
RAP
-
BOS
7h 27m1 stop
$494Delta
Wed, May 27 - Sun, Jun 7
Delta Logo
5:40 am - 9:58 am
BOS
-
RAP
6h 18m1 stop
Delta Logo
12:30 pm - 11:32 pm
RAP
-
BOS
9h 02m2 stops
$499Delta
Sun, May 31 - Sat, Jun 6

United Airlines flights from Boston to Rapid City

Our best United Airlines deals on Boston to Rapid City flight tickets
United Airlines
Jan 15
BOS11:17 amBoston Logan Intl
7h 55m
1 stop
RAP5:12 pmRapid City
Jan 22
RAP10:45 amRapid City
7h 20m
1 stop
BOS8:05 pmBoston Logan Intl
$309
Find similar
United Airlines
Jan 15
BOS11:17 amBoston Logan Intl
7h 55m
1 stop
RAP5:12 pmRapid City
Jan 22
RAP10:45 amRapid City
9h 07m
2 stops
BOS9:52 pmBoston Logan Intl
$314
Find similar
United Airlines
Jan 31
BOS11:17 amBoston Logan Intl
7h 55m
1 stop
RAP5:12 pmRapid City
Feb 4
RAP12:35 pmRapid City
9h 11m
1 stop
BOS11:46 pmBoston Logan Intl
$399
Find similar

American Airlines flights from Boston to Rapid City

Our best American Airlines deals on Boston to Rapid City flight tickets
American Airlines
Dec 19
BOS7:31 amBoston Logan Intl
8h 19m
1 stop
RAP1:50 pmRapid City
Jan 12
RAP2:08 pmRapid City
7h 22m
1 stop
BOS11:30 pmBoston Logan Intl
$414
Find similar
American Airlines
May 27
BOS5:25 amBoston Logan Intl
7h 40m
1 stop
RAP11:05 amRapid City
Jun 7
RAP4:40 pmRapid City
6h 46m
1 stop
BOS1:26 amBoston Logan Intl
$444
Find similar
American Airlines
May 27
BOS7:04 amBoston Logan Intl
12h 54m
1 stop
RAP5:58 pmRapid City
Jun 7
RAP6:14 pmRapid City
13h 56m
1 stop
BOS10:10 amBoston Logan Intl
$510
Find similar

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 December 18, 2025.
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 1/8

6:10 pm-10:28 pm

1 stop6h 18m

Rapid City

Thu 1/15

10:54 am-7:10 pm

1 stop6h 16m

$309

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 1/8

5:35 am-3:25 pm

2 stops11h 50m

Rapid City

Thu 1/15

4:10 pm-11:52 pm

1 stop5h 42m

$314

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Thu 1/8

7:00 am-3:25 pm

2 stops10h 25m

Rapid City

Thu 1/15

6:00 am-4:23 pm

2 stops8h 23m

$319

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sat 1/31

11:17 am-5:12 pm

1 stop7h 55m

Rapid City

Wed 2/4

12:35 pm-11:46 pm

1 stop9h 11m

$399

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sat 1/31

9:30 am-5:12 pm

2 stops9h 42m

Rapid City

Wed 2/4

12:35 pm-11:46 pm

1 stop9h 11m

$404

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sat 1/31

9:30 am-7:14 pm

2 stops11h 44m

Rapid City

Wed 2/4

7:00 am-6:57 pm

2 stops9h 57m

$409

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sun 5/31

5:40 am-9:58 am

1 stop6h 18m

Rapid City

Sat 6/6

4:00 pm-11:52 pm

1 stop5h 52m

$434

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 5/27

5:25 am-11:05 am

1 stop7h 40m

Rapid City

Sun 6/7

4:40 pm-1:26 am

1 stop6h 46m

$444

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Wed 5/27

5:40 am-9:58 am

1 stop6h 18m

Rapid City

Sun 6/7

2:25 pm-11:52 pm

1 stop7h 27m

$494

BostonRapid City

BOS - RAP

BOSRAP

Boston Logan Intl

Sun 5/31

5:40 am-9:58 am

1 stop6h 18m

Rapid City

Sat 6/6

12:30 pm-11:32 pm

2 stops9h 02m

$499

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 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.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Tuesday is the cheapest day to fly to Rapid City from Boston. The lowest ticket price found for a Tuesday departure recently was $628. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Sunday, with ticket prices averaging around $770.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the afternoon. Flights from Boston to Rapid City during this time can be as low as $617. Flights at noon are often more expensive with an average ticket price of $680.

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 $573 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 18m

Direct flights

None
The fastest flight from Boston to Rapid City takes 6h 18m
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 18m, 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
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $378Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
9,091 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
Spearfish
Custer
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.

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