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Cheap flights from Rapid City to Boise from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Boise departing on 4/1. 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

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Find the cheapest flights from Rapid City to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 2:05 pm
RAP
-
BOI
8h 05m
1 stop
Delta Logo
3:23 pm - 10:20 pm
BOI
-
RAP
6h 57m
1 stop
$329Delta
Fri, Apr 10 - Tue, Apr 14
Delta Logo
4:01 pm - 11:59 pm
RAP
-
BOI
7h 58m
2 stops
Delta Logo
3:23 pm - 10:20 pm
BOI
-
RAP
6h 57m
1 stop
$334Delta
Fri, Apr 10 - Tue, Apr 14
United Airlines Logo
4:15 pm - 10:35 pm
RAP
-
BOI
6h 20m
1 stop
United Airlines Logo
6:15 am - 1:08 pm
BOI
-
RAP
6h 53m
1 stop
$339United Airlines
Fri, Apr 3 - Sun, Apr 5
United Airlines Logo
5:00 am - 9:45 am
RAP
-
BOI
4h 45m
1 stop
United Airlines Logo
5:46 pm - 10:25 pm
BOI
-
RAP
4h 39m
1 stop
$344United Airlines
Fri, May 22 - Wed, May 27
Delta Logo
4:01 pm - 11:59 pm
RAP
-
BOI
7h 58m
2 stops
Delta Logo
3:23 pm - 10:20 pm
BOI
-
RAP
6h 57m
1 stop
$360Delta
Fri, Apr 10 - Tue, Apr 14
United Airlines Logo
7:00 am - 1:35 pm
RAP
-
BOI
6h 35m
1 stop
United Airlines Logo
5:00 am - 9:17 am
BOI
-
RAP
4h 17m
1 stop
$371United Airlines
Wed, Sep 2 - Mon, Sep 7
United Airlines Logo
2:47 pm - 9:22 pm
RAP
-
BOI
6h 35m
1 stop
United Airlines Logo
5:00 am - 11:24 am
BOI
-
RAP
6h 24m
1 stop
$402United Airlines
Thu, Apr 9 - Wed, Apr 15
United Airlines Logo
10:21 am - 5:56 pm
RAP
-
BOI
7h 35m
1 stop
United Airlines Logo
5:46 pm - 10:25 pm
BOI
-
RAP
4h 39m
1 stop
$415United Airlines
Fri, Jul 3 - Fri, Jul 10
Delta Logo
2:25 pm - 11:56 pm
RAP
-
BOI
9h 31m
2 stops
Delta Logo
5:40 am - 1:48 pm
BOI
-
RAP
8h 08m
1 stop
$419Delta
Wed, Sep 2 - Mon, Sep 7
United Airlines Logo
5:00 am - 9:45 am
RAP
-
BOI
4h 45m
1 stop
United Airlines Logo
5:00 am - 9:20 am
BOI
-
RAP
4h 20m
1 stop
$423United Airlines
Fri, May 29 - Tue, Jun 2

United Airlines flights from Rapid City to Boise

Our best United Airlines deals on Rapid City to Boise flight tickets
United Airlines
Apr 3
RAP4:15 pmRapid City
6h 20m
1 stop
BOI10:35 pmBoise Air Term. Gowen Fld
Apr 5
BOI6:15 amBoise Air Term. Gowen Fld
6h 53m
1 stop
RAP1:08 pmRapid City
$339
United Airlines
May 22
RAP5:00 amRapid City
4h 45m
1 stop
BOI9:45 amBoise Air Term. Gowen Fld
May 27
BOI5:46 pmBoise Air Term. Gowen Fld
4h 39m
1 stop
RAP10:25 pmRapid City
$344
United Airlines
Sep 2
RAP7:00 amRapid City
6h 35m
1 stop
BOI1:35 pmBoise Air Term. Gowen Fld
Sep 7
BOI5:00 amBoise Air Term. Gowen Fld
4h 17m
1 stop
RAP9:17 amRapid City
$371

American Airlines flights from Rapid City to Boise

Our best American Airlines deals on Rapid City to Boise flight tickets
American Airlines
Sep 5
RAP6:30 amRapid City
7h 32m
1 stop
BOI2:02 pmBoise Air Term. Gowen Fld
Sep 9
BOI2:55 pmBoise Air Term. Gowen Fld
7h 03m
1 stop
RAP9:58 pmRapid City
$521
American Airlines
Sep 5
RAP10:18 amRapid City
13h 12m
2 stops
BOI11:30 pmBoise Air Term. Gowen Fld
Sep 9
BOI6:51 amBoise Air Term. Gowen Fld
15h 07m
2 stops
RAP9:58 pmRapid City
$644
American Airlines
Jul 14
RAP10:19 amRapid City
12h 52m
2 stops
BOI11:11 pmBoise Air Term. Gowen Fld
Jul 19
BOI5:40 pmBoise Air Term. Gowen Fld
16h 07m
2 stops
RAP9:47 amRapid City
$775

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 March 19, 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

Fri 4/10

6:00 am-2:05 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Tue 4/14

3:23 pm-10:20 pm

1 stop6h 57m

$329

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 4/10

4:01 pm-11:59 pm

2 stops7h 58m

Boise Air Term. Gowen Fld

Tue 4/14

3:23 pm-10:20 pm

1 stop6h 57m

$334

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 4/3

4:15 pm-10:35 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Sun 4/5

6:15 am-1:08 pm

1 stop6h 53m

$339

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 5/22

5:00 am-9:45 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Wed 5/27

5:46 pm-10:25 pm

1 stop4h 39m

$344

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 4/10

4:01 pm-11:59 pm

2 stops7h 58m

Boise Air Term. Gowen Fld

Tue 4/14

3:23 pm-10:20 pm

1 stop6h 57m

$360

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Wed 9/2

7:00 am-1:35 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Mon 9/7

5:00 am-9:17 am

1 stop4h 17m

$371

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Thu 4/9

2:47 pm-9:22 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Wed 4/15

5:00 am-11:24 am

1 stop6h 24m

$402

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 7/3

10:21 am-5:56 pm

1 stop7h 35m

Boise Air Term. Gowen Fld

Fri 7/10

5:46 pm-10:25 pm

1 stop4h 39m

$415

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Wed 9/2

2:25 pm-11:56 pm

2 stops9h 31m

Boise Air Term. Gowen Fld

Mon 9/7

5:40 am-1:48 pm

1 stop8h 08m

$419
Quickest round-trip

Rapid CityBoise

RAP - BOI

RAPBOI

Rapid City

Fri 5/29

5:00 am-9:45 am

1 stop4h 45m

Boise Air Term. Gowen Fld

Tue 6/2

5:00 am-9:20 am

1 stop4h 20m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 typical price of a round-trip flight between Rapid City and Boise?

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 45m

Direct flights

None
The fastest flight from Rapid City to Boise takes 4h 45m
There are no direct flights from Rapid City to Boise. There are no popular flight routes from Rapid City to Boise.
Search flight deals

  • 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 45m.

  • 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
9,439 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,292 reviews
Search Delta flights

Traveling to a place near Boise?

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

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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.

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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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