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Cheap flights from Idaho to Rapid City from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Rapid City departing on 11/24. 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 Idaho to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:37 pm - 7:19 pmBOI-RAP
4h 42m1 stop
United Airlines Logo
2:40 pm - 9:52 pmRAP-BOI
7h 12m1 stop
$249United Airlines
Find Deal
jue., ene. 29 - jue., feb. 5
Delta Logo
3:03 pm - 10:28 pmBOI-RAP
7h 25m1 stop
Delta Logo
6:20 am - 2:09 pmRAP-BOI
7h 49m1 stop
$264Delta
Find Deal
sáb., mar. 7 - mié., mar. 11
United Airlines Logo
4:19 pm - 8:33 pmIDA-RAP
4h 14m1 stop
United Airlines Logo
7:05 am - 1:34 pmRAP-IDA
6h 29m1 stop
$289United Airlines
Find Deal
sáb., mar. 7 - mar., mar. 10
United Airlines Logo
4:17 pm - 9:59 pmJAC-RAP
5h 42m1 stop
United Airlines Logo
5:15 am - 9:45 amRAP-JAC
4h 30m1 stop
$329United Airlines
Find Deal
vie., nov. 21 - lun., nov. 24
Multiple Airlines Logo
9:46 pm - 9:50 amBOI-RAP
12h 04m1 stop
Multiple Airlines Logo
11:05 am - 11:43 amRAP-BOI
24h 38m2 stops
$343Multiple Airlines
Find Deal
lun., dic. 29 - sáb., ene. 3
Multiple Airlines Logo
9:46 pm - 9:50 amBOI-RAP
12h 04m1 stop
Multiple Airlines Logo
11:05 am - 11:43 amRAP-BOI
24h 38m2 stops
$362Multiple Airlines
Find Deal
lun., dic. 29 - sáb., ene. 3
Allegiant Air Logo
10:45 pm - 9:43 amBOI-RAP
10h 58m1 stop
Allegiant Air Logo
6:28 pm - 8:21 amRAP-BOI
13h 53m1 stop
$453Allegiant Air
Find Deal
lun., nov. 24 - vie., nov. 28
Allegiant Air Logo
3:20 pm - 8:17 amBOI-RAP
16h 57m1 stop
Allegiant Air Logo
2:36 pm - 2:46 pmRAP-BOI
24h 10m1 stop
$481Allegiant Air
Find Deal
mar., dic. 30 - vie., ene. 2
American Airlines Logo
2:48 pm - 1:34 pmBOI-RAP
22h 46m2 stops
American Airlines Logo
2:08 pm - 2:08 pmRAP-BOI
24h 00m2 stops
$565American Airlines
Find Deal
jue., ene. 29 - jue., feb. 5
American Airlines Logo
7:00 am - 10:19 pmIDA-RAP
15h 19m2 stops
American Airlines Logo
5:51 am - 9:57 pmRAP-IDA
16h 06m2 stops
$815American Airlines
Find Deal
sáb., mar. 7 - mar., mar. 10

United Airlines flights from Idaho to Rapid City

Our best United Airlines deals on Idaho to Rapid City flight tickets
United Airlines
Jan 29
BOI2:37 pmBoise Air Term. Gowen Fld
4h 42m
1 stop
RAP7:19 pmRapid City
Feb 5
RAP2:40 pmRapid City
7h 12m
1 stop
BOI9:52 pmBoise Air Term. Gowen Fld
$249
Find similar
United Airlines
Mar 7
IDA4:19 pmIdaho Falls Fanning Field
4h 14m
1 stop
RAP8:33 pmRapid City
Mar 10
RAP7:05 amRapid City
6h 29m
1 stop
IDA1:34 pmIdaho Falls Fanning Field
$289
Find similar
United Airlines
Nov 21
JAC4:17 pmJackson Hole
5h 42m
1 stop
RAP9:59 pmRapid City
Nov 24
RAP5:15 amRapid City
4h 30m
1 stop
JAC9:45 amJackson Hole
$329
Find similar

Delta flights from Idaho to Rapid City

Our best Delta deals on Idaho to Rapid City flight tickets
Delta
Mar 7
BOI3:03 pmBoise Air Term. Gowen Fld
7h 25m
1 stop
RAP10:28 pmRapid City
Mar 11
RAP6:20 amRapid City
7h 49m
1 stop
BOI2:09 pmBoise Air Term. Gowen Fld
$264
Find similar
Delta
Nov 15
BOI5:35 amBoise Air Term. Gowen Fld
8h 36m
1 stop
RAP2:11 pmRapid City
Nov 21
RAP6:05 amRapid City
8h 04m
1 stop
BOI2:09 pmBoise Air Term. Gowen Fld
$309
Find similar
Delta
Nov 11
BOI3:04 pmBoise Air Term. Gowen Fld
7h 35m
1 stop
RAP10:39 pmRapid City
Nov 21
RAP6:05 amRapid City
8h 04m
1 stop
BOI2:09 pmBoise Air Term. Gowen Fld
$324
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 noviembre 10, 2025.
Use the filters below to find and compare flights from Idaho to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

jue. 1/29

2:37 pm-7:19 pm

1 stop4h 42m

Rapid City

jue. 2/5

2:40 pm-9:52 pm

1 stop7h 12m

$249

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

sáb. 3/7

3:03 pm-10:28 pm

1 stop7h 25m

Rapid City

mié. 3/11

6:20 am-2:09 pm

1 stop7h 49m

$264

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

sáb. 3/7

4:19 pm-8:33 pm

1 stop4h 14m

Rapid City

mar. 3/10

7:05 am-1:34 pm

1 stop6h 29m

$289

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

vie. 11/21

4:17 pm-9:59 pm

1 stop5h 42m

Rapid City

lun. 11/24

5:15 am-9:45 am

1 stop4h 30m

$329

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

lun. 12/29

9:46 pm-9:50 am

1 stop12h 04m

Rapid City

sáb. 1/3

11:05 am-11:43 am

2 stops24h 38m

$343

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

lun. 12/29

9:46 pm-9:50 am

1 stop12h 04m

Rapid City

sáb. 1/3

11:05 am-11:43 am

2 stops24h 38m

$362

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

lun. 11/24

10:45 pm-9:43 am

1 stop10h 58m

Rapid City

vie. 11/28

6:28 pm-8:21 am

1 stop13h 53m

$453

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

mar. 12/30

3:20 pm-8:17 am

1 stop16h 57m

Rapid City

vie. 1/2

2:36 pm-2:46 pm

1 stop24h 10m

$481

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

jue. 1/29

2:48 pm-1:34 pm

2 stops22h 46m

Rapid City

jue. 2/5

2:08 pm-2:08 pm

2 stops24h 00m

$565

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

sáb. 3/7

7:00 am-10:19 pm

2 stops15h 19m

Rapid City

mar. 3/10

5:51 am-9:57 pm

2 stops16h 06m

$815

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 Idaho 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 August is, on average, the cheapest month to fly to Rapid City from Idaho, with most prices found around $318. If you aren’t able to travel to Rapid City during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $331.

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

According to our data, Wednesday is the cheapest day to fly to Rapid City from Idaho. The lowest ticket price found for a Wednesday departure recently was $338. 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 Monday, with ticket prices averaging around $751.

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 morning. Flights from Idaho to Rapid City during this time can be as low as $447. Flights at noon are often more expensive with an average ticket price of $517.

Cheap Idaho to Rapid City flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho to Rapid City. There are no popular flight routes from Idaho to Rapid City.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Rapid City Airport?

    Prices for flights from Idaho to Rapid City Airport refresh daily.

  • How many operators does momondo search for flights from Idaho to Rapid City Airport?

  • How old do you have to be to fly from Idaho to Rapid City 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 Idaho 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.

Best airlines flying from Idaho to Rapid City

Compare and see reviews for airlines that fly from Idaho to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,007 reviews
Search Delta 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 Idaho to Rapid City?

It is quick and easy to find Idaho to Rapid City 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 Rapid City that suits you.

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

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

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

Once all potential Idaho to Rapid City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Idaho to Rapid City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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