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Cheap flights from Rapid City to Boise from $319

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Boise departing on 8/29. 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 Rapid City to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:58 pm - 10:40 pm
RAP
-
BOI
4h 42m
1 stop
United Airlines Logo
6:30 am - 12:24 pm
BOI
-
RAP
5h 54m
1 stop
$319United Airlines
Sat, Aug 29 - Sun, Aug 30
United Airlines Logo
7:00 am - 1:38 pm
RAP
-
BOI
6h 38m
1 stop
United Airlines Logo
5:00 am - 9:28 am
BOI
-
RAP
4h 28m
1 stop
$319United Airlines
Sat, Aug 29 - Mon, Aug 31
United Airlines Logo
11:22 am - 5:58 pm
RAP
-
BOI
6h 36m
1 stop
United Airlines Logo
5:00 am - 11:55 am
BOI
-
RAP
6h 55m
1 stop
$319United Airlines
Fri, Aug 28 - Sun, Aug 30
Delta Logo
4:30 pm - 11:59 pm
RAP
-
BOI
7h 29m
1 stop
Delta Logo
5:30 am - 1:51 pm
BOI
-
RAP
8h 21m
1 stop
$339Delta
Thu, Aug 27 - Thu, Sep 10
Delta Logo
6:48 am - 1:42 pm
RAP
-
BOI
6h 54m
1 stop
Delta Logo
5:30 am - 1:51 pm
BOI
-
RAP
8h 21m
1 stop
$339Delta
Wed, Aug 26 - Thu, Sep 10
United Airlines Logo
5:00 am - 9:35 am
RAP
-
BOI
4h 35m
1 stop
United Airlines Logo
5:00 am - 9:28 am
BOI
-
RAP
4h 28m
1 stop
$340United Airlines
Mon, Aug 31 - Mon, Sep 7
United Airlines Logo
5:58 pm - 10:40 pm
RAP
-
BOI
4h 42m
1 stop
United Airlines Logo
5:00 am - 9:28 am
BOI
-
RAP
4h 28m
1 stop
$341United Airlines
Tue, Sep 1 - Mon, Sep 7
United Airlines Logo
5:58 pm - 10:40 pm
RAP
-
BOI
4h 42m
1 stop
United Airlines Logo
5:00 am - 9:28 am
BOI
-
RAP
4h 28m
1 stop
$349United Airlines
Sat, Aug 15 - Wed, Aug 19
United Airlines Logo
5:00 am - 9:35 am
RAP
-
BOI
4h 35m
1 stop
United Airlines Logo
5:40 pm - 10:33 pm
BOI
-
RAP
4h 53m
1 stop
$355United Airlines
Fri, Aug 28 - Tue, Sep 8
United Airlines Logo
5:00 am - 9:34 am
RAP
-
BOI
4h 34m
1 stop
United Airlines Logo
5:00 am - 9:27 am
BOI
-
RAP
4h 27m
1 stop
$399United Airlines
Sat, Sep 5 - Wed, Sep 9

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Delta flights from Rapid City to Boise

Our best Delta deals on Rapid City to Boise flight tickets
Delta
Aug 26
RAP6:48 amRapid City
6h 54m
1 stop
BOI1:42 pmBoise Air Term. Gowen Fld
Sep 10
BOI5:30 amBoise Air Term. Gowen Fld
8h 21m
1 stop
RAP1:51 pmRapid City
$339
Delta
Aug 26
RAP4:30 pmRapid City
7h 29m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Sep 10
BOI8:55 amBoise Air Term. Gowen Fld
25h 07m
2 stops
RAP10:02 amRapid City
$477
Delta
Aug 19
RAP4:30 pmRapid City
7h 29m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Aug 22
BOI7:00 amBoise Air Term. Gowen Fld
15h 37m
2 stops
RAP10:37 pmRapid City
$497

United Airlines flights from Rapid City to Boise

Our best United Airlines deals on Rapid City to Boise flight tickets
United Airlines
Aug 29
RAP7:00 amRapid City
6h 38m
1 stop
BOI1:38 pmBoise Air Term. Gowen Fld
Aug 31
BOI5:00 amBoise Air Term. Gowen Fld
4h 28m
1 stop
RAP9:28 amRapid City
$319
United Airlines
Aug 31
RAP5:00 amRapid City
4h 35m
1 stop
BOI9:35 amBoise Air Term. Gowen Fld
Sep 7
BOI5:00 amBoise Air Term. Gowen Fld
4h 28m
1 stop
RAP9:28 amRapid City
$340
United Airlines
Sep 1
RAP5:58 pmRapid City
4h 42m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
Sep 7
BOI5:00 amBoise Air Term. Gowen Fld
4h 28m
1 stop
RAP9:28 amRapid City
$341

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Boise 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 3, 2026.
Use the filters below to find and compare flights from Rapid City to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 8/29

5:58 pm-10:40 pm

1 stop4h 42m

Boise Air Term. Gowen Fld

Sun 8/30

6:30 am-12:24 pm

1 stop5h 54m

$319

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 8/29

7:00 am-1:38 pm

1 stop6h 38m

Boise Air Term. Gowen Fld

Mon 8/31

5:00 am-9:28 am

1 stop4h 28m

$319

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 8/28

11:22 am-5:58 pm

1 stop6h 36m

Boise Air Term. Gowen Fld

Sun 8/30

5:00 am-11:55 am

1 stop6h 55m

$319

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Thu 8/27

4:30 pm-11:59 pm

1 stop7h 29m

Boise Air Term. Gowen Fld

Thu 9/10

5:30 am-1:51 pm

1 stop8h 21m

$339

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Wed 8/26

6:48 am-1:42 pm

1 stop6h 54m

Boise Air Term. Gowen Fld

Thu 9/10

5:30 am-1:51 pm

1 stop8h 21m

$339

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Mon 8/31

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Mon 9/7

5:00 am-9:28 am

1 stop4h 28m

$340

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Tue 9/1

5:58 pm-10:40 pm

1 stop4h 42m

Boise Air Term. Gowen Fld

Mon 9/7

5:00 am-9:28 am

1 stop4h 28m

$341

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 8/15

5:58 pm-10:40 pm

1 stop4h 42m

Boise Air Term. Gowen Fld

Wed 8/19

5:00 am-9:28 am

1 stop4h 28m

$349

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 8/28

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Tue 9/8

5:40 pm-10:33 pm

1 stop4h 53m

$355
Quickest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Sat 9/5

5:00 am-9:34 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Wed 9/9

5:00 am-9:27 am

1 stop4h 27m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Boise from

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

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 Boise?

The month of December is, on average, the cheapest month to fly to Boise from Rapid City, with most prices found around $0. If you aren’t able to travel during the month of December, then book flights to Boise from Rapid City during June instead. Flights to Boise in June, while not as cheap as those in December, still average around $0.

Can stopping save me money on Rapid City to Boise flights?

You could potentially save up to 19% on your flight if you consider stops on a Rapid City to Boise flight.

When to book flights from Rapid City to Boise

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

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

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

Fastest flight time

4h 34m

Direct flights

None
The fastest flight from Rapid City to Boise takes 4h 34m
There are no direct flights from Rapid City to Boise. There are no popular flight routes from Rapid City to Boise.
Search flight deals

Frequently asked questions about flying from Rapid City to Boise

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

    There are 646.1 mi between Rapid City and Boise Air Term. Gowen Fld. By plane, this route typically takes 4h 34m.

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

    Prices for flights from Rapid City Airport to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rapid City Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Rapid City to Boise

Compare and see reviews for airlines that fly from Rapid City to Boise with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
Caldwell
McCall
Eagle

Why use momondo?

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

It is quick and easy to find Rapid City to Boise flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boise that suits you.

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

Yes. momondo allows you to filter the results for Rapid City to Boise flights to just show those with flexible booking policies.

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

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

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