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Cheap flights from Boise 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 Boise to Rapid City departing on 12/21. 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 Boise to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:46 pm - 10:33 pm
BOI
-
RAP
4h 47m
1 stop
United Airlines Logo
5:58 pm - 10:40 pm
RAP
-
BOI
4h 42m
1 stop
$309United Airlines
Tue, Aug 4 - Tue, Aug 11
Delta Logo
5:30 am - 1:40 pm
BOI
-
RAP
8h 10m
1 stop
Delta Logo
4:30 pm - 11:59 pm
RAP
-
BOI
7h 29m
1 stop
$324Delta
Tue, Jul 21 - Sun, Aug 16
United Airlines Logo
5:00 am - 9:27 am
BOI
-
RAP
4h 27m
1 stop
United Airlines Logo
7:00 am - 1:35 pm
RAP
-
BOI
6h 35m
1 stop
$337United Airlines
Tue, Sep 8 - Sat, Sep 12
United Airlines Logo
10:31 am - 5:06 pm
BOI
-
RAP
6h 35m
1 stop
United Airlines Logo
5:00 am - 9:35 am
RAP
-
BOI
4h 35m
1 stop
$341United Airlines
Thu, Aug 13 - Mon, Aug 17
United Airlines Logo
5:46 pm - 10:33 pm
BOI
-
RAP
4h 47m
1 stop
United Airlines Logo
5:00 am - 9:35 am
RAP
-
BOI
4h 35m
1 stop
$348United Airlines
Sat, Aug 8 - Thu, Aug 13
United Airlines Logo
5:46 pm - 10:25 pm
BOI
-
RAP
4h 39m
1 stop
United Airlines Logo
5:00 am - 9:35 am
RAP
-
BOI
4h 35m
1 stop
$352United Airlines
Fri, Aug 7 - Thu, Aug 13
Delta Logo
2:50 pm - 10:18 pm
BOI
-
RAP
7h 28m
1 stop
Delta Logo
6:48 am - 1:29 pm
RAP
-
BOI
6h 41m
1 stop
$354Delta
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
6:25 am - 12:26 pm
BOI
-
RAP
6h 01m
1 stop
United Airlines Logo
5:00 am - 9:38 am
RAP
-
BOI
4h 38m
1 stop
$389United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
5:46 pm - 10:33 pm
BOI
-
RAP
4h 47m
1 stop
United Airlines Logo
7:00 am - 1:38 pm
RAP
-
BOI
6h 38m
1 stop
$393United Airlines
Sat, Aug 8 - Thu, Aug 13
United Airlines Logo
2:44 pm - 8:52 pm
BOI
-
RAP
6h 08m
1 stop
United Airlines Logo
7:00 am - 4:59 pm
RAP
-
BOI
9h 59m
2 stops
$394United Airlines
Sat, Oct 24 - Wed, Oct 28

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United Airlines flights from Boise to Rapid City

Our best United Airlines deals on Boise to Rapid City flight tickets
United Airlines
Aug 4
BOI5:46 pmBoise Air Term. Gowen Fld
4h 47m
1 stop
RAP10:33 pmRapid City
Aug 11
RAP5:58 pmRapid City
4h 42m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
$309
United Airlines
Sep 8
BOI5:00 amBoise Air Term. Gowen Fld
4h 27m
1 stop
RAP9:27 amRapid City
Sep 12
RAP7:00 amRapid City
6h 35m
1 stop
BOI1:35 pmBoise Air Term. Gowen Fld
$337
United Airlines
Aug 13
BOI10:31 amBoise Air Term. Gowen Fld
6h 35m
1 stop
RAP5:06 pmRapid City
Aug 17
RAP5:00 amRapid City
4h 35m
1 stop
BOI9:35 amBoise Air Term. Gowen Fld
$341

Delta flights from Boise to Rapid City

Our best Delta deals on Boise to Rapid City flight tickets
Delta
Jul 21
BOI5:30 amBoise Air Term. Gowen Fld
8h 10m
1 stop
RAP1:40 pmRapid City
Aug 16
RAP4:30 pmRapid City
7h 29m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$324
Delta
Sep 29
BOI2:50 pmBoise Air Term. Gowen Fld
7h 28m
1 stop
RAP10:18 pmRapid City
Oct 3
RAP6:48 amRapid City
6h 41m
1 stop
BOI1:29 pmBoise Air Term. Gowen Fld
$354
Delta
Jul 21
BOI5:30 amBoise Air Term. Gowen Fld
8h 10m
1 stop
RAP1:40 pmRapid City
Aug 16
RAP4:30 pmRapid City
7h 29m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$438

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 July 9, 2026.
Use the filters below to find and compare flights from Boise to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 8/4

5:46 pm-10:33 pm

1 stop4h 47m

Rapid City

Tue 8/11

5:58 pm-10:40 pm

1 stop4h 42m

$309

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 7/21

5:30 am-1:40 pm

1 stop8h 10m

Rapid City

Sun 8/16

4:30 pm-11:59 pm

1 stop7h 29m

$324

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 9/8

5:00 am-9:27 am

1 stop4h 27m

Rapid City

Sat 9/12

7:00 am-1:35 pm

1 stop6h 35m

$337

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Thu 8/13

10:31 am-5:06 pm

1 stop6h 35m

Rapid City

Mon 8/17

5:00 am-9:35 am

1 stop4h 35m

$341

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 8/8

5:46 pm-10:33 pm

1 stop4h 47m

Rapid City

Thu 8/13

5:00 am-9:35 am

1 stop4h 35m

$348
Quickest round-trip

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 8/7

5:46 pm-10:25 pm

1 stop4h 39m

Rapid City

Thu 8/13

5:00 am-9:35 am

1 stop4h 35m

$352

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 9/29

2:50 pm-10:18 pm

1 stop7h 28m

Rapid City

Sat 10/3

6:48 am-1:29 pm

1 stop6h 41m

$354

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 10/24

6:25 am-12:26 pm

1 stop6h 01m

Rapid City

Wed 10/28

5:00 am-9:38 am

1 stop4h 38m

$389

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 8/8

5:46 pm-10:33 pm

1 stop4h 47m

Rapid City

Thu 8/13

7:00 am-1:38 pm

1 stop6h 38m

$393

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 10/24

2:44 pm-8:52 pm

1 stop6h 08m

Rapid City

Wed 10/28

7:00 am-4:59 pm

2 stops9h 59m

$394

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 Boise 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 April is, on average, the cheapest month to fly to Rapid City from Boise, with most prices found around $0. If you aren’t able to travel to Rapid City during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $369.

When to book flights from Boise to Rapid City

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

Cheap Boise to Rapid City (BOI to RAP) flight deals and tips

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

Fastest flight time

4h 27m

Direct flights

None
The fastest flight from Boise to Rapid City takes 4h 27m
There are no direct flights from Boise to Rapid City. There are no popular flight routes from Boise to Rapid City.
Search flight deals

Frequently asked questions about flying from Boise to Rapid City

  • How far is Boise Air Term. Gowen Fld to Rapid City by plane?

    The distance between Boise Air Term. Gowen Fld and Rapid City is about 646.1 mi. Flights usually cover this in 4h 27m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Rapid City Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Rapid City Airport refresh daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Rapid City Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Rapid City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld 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 Boise to Rapid City?

Best airlines flying from Boise to Rapid City

Compare and see reviews for airlines that fly from Boise to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,955 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
Wall
Hot Springs
Hill City
Spearfish

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Rapid City. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Rapid City from Boise on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Of course. momondo tracks the price of Boise to Rapid City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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