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Cheap flights from Idaho to Rapid City from $211

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 6/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Delta Logo
2:10 pm - 10:20 pm
GEG
-
RAP
7h 10m
1 stop
Delta Logo
6:00 am - 1:04 pm
RAP
-
GEG
8h 04m
1 stop
$319Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
2:10 pm - 10:20 pm
GEG
-
RAP
7h 10m
1 stop
Delta Logo
6:50 am - 4:57 pm
RAP
-
GEG
11h 07m
2 stops
$324Delta
Sat, May 2 - Sat, May 9
Delta Logo
3:23 pm - 10:20 pm
BOI
-
RAP
6h 57m
1 stop
Delta Logo
6:00 am - 2:26 pm
RAP
-
BOI
8h 26m
1 stop
$329Delta
Sat, May 2 - Mon, May 4
United Airlines Logo
2:35 pm - 8:44 pm
JAC
-
RAP
6h 09m
1 stop
United Airlines Logo
8:30 am - 3:24 pm
RAP
-
JAC
6h 54m
1 stop
$339United Airlines
Wed, Apr 15 - Sun, Apr 19
United Airlines Logo
5:00 am - 9:23 am
BOI
-
RAP
4h 23m
1 stop
United Airlines Logo
2:47 pm - 9:22 pm
RAP
-
BOI
6h 35m
1 stop
$339United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
4:18 pm - 10:25 pm
GEG
-
RAP
5h 07m
1 stop
United Airlines Logo
9:00 am - 3:11 pm
RAP
-
GEG
7h 11m
1 stop
$354United Airlines
Fri, Jul 10 - Mon, Jul 13
United Airlines Logo
1:41 pm - 7:13 pm
GEG
-
RAP
4h 32m
1 stop
United Airlines Logo
10:21 am - 3:12 pm
RAP
-
GEG
5h 51m
1 stop
$361United Airlines
Tue, May 26 - Fri, May 29
Delta Logo
3:23 pm - 10:20 pm
BOI
-
RAP
6h 57m
1 stop
Delta Logo
6:00 am - 2:26 pm
RAP
-
BOI
8h 26m
1 stop
$364Delta
Fri, May 1 - Mon, May 4
Delta Logo
6:00 am - 3:15 pm
BOI
-
RAP
9h 15m
2 stops
Delta Logo
6:00 am - 2:26 pm
RAP
-
BOI
8h 26m
1 stop
$383Delta
Sat, May 2 - Mon, May 4
Multiple Airlines Logo
11:58 am - 9:15 am
GEG
-
RAP
20h 17m
1 stop
Multiple Airlines Logo
9:50 pm - 11:33 am
RAP
-
GEG
14h 43m
2 stops
$448Multiple Airlines
Fri, Jul 3 - Sun, Jul 5

United Airlines flights from Idaho to Rapid City

Our best United Airlines deals on Idaho to Rapid City flight tickets
United Airlines
Apr 14
GEG5:05 amSpokane
7h 03m
1 stop
RAP1:08 pmRapid City
Apr 18
RAP4:15 pmRapid City
5h 56m
1 stop
GEG9:11 pmSpokane
$319
United Airlines
Apr 15
JAC2:35 pmJackson Hole
6h 09m
1 stop
RAP8:44 pmRapid City
Apr 19
RAP8:30 amRapid City
6h 54m
1 stop
JAC3:24 pmJackson Hole
$339
United Airlines
Jul 10
GEG4:18 pmSpokane
5h 07m
1 stop
RAP10:25 pmRapid City
Jul 13
RAP9:00 amRapid City
7h 11m
1 stop
GEG3:11 pmSpokane
$354

American Airlines flights from Idaho to Rapid City

Our best American Airlines deals on Idaho to Rapid City flight tickets
American Airlines
Apr 25
GEG6:00 amSpokane
9h 27m
1 stop
RAP4:27 pmRapid City
May 2
RAP1:08 pmRapid City
8h 25m
1 stop
GEG8:33 pmSpokane
$559
American Airlines
May 1
BOI6:26 pmBoise Air Term. Gowen Fld
22h 01m
2 stops
RAP4:27 pmRapid City
May 4
RAP4:57 pmRapid City
20h 45m
2 stops
BOI1:42 pmBoise Air Term. Gowen Fld
$783
American Airlines
Jun 5
BOI5:40 pmBoise Air Term. Gowen Fld
16h 09m
2 stops
RAP9:49 amRapid City
Jun 9
RAP10:19 amRapid City
12h 52m
2 stops
BOI11:11 pmBoise Air Term. Gowen Fld
$801

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 April 2, 2026.
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

Cheapest round-trip

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Tue 4/14

2:10 pm-10:20 pm

1 stop7h 10m

Rapid City

Sat 4/18

6:00 am-1:04 pm

1 stop8h 04m

$319

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Sat 5/2

2:10 pm-10:20 pm

1 stop7h 10m

Rapid City

Sat 5/9

6:50 am-4:57 pm

2 stops11h 07m

$324

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 5/2

3:23 pm-10:20 pm

1 stop6h 57m

Rapid City

Mon 5/4

6:00 am-2:26 pm

1 stop8h 26m

$329

JacksonRapid City

JAC - RAP

JACRAP

Jackson Hole

Wed 4/15

2:35 pm-8:44 pm

1 stop6h 09m

Rapid City

Sun 4/19

8:30 am-3:24 pm

1 stop6h 54m

$339

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 4/17

5:00 am-9:23 am

1 stop4h 23m

Rapid City

Tue 4/21

2:47 pm-9:22 pm

1 stop6h 35m

$339

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Fri 7/10

4:18 pm-10:25 pm

1 stop5h 07m

Rapid City

Mon 7/13

9:00 am-3:11 pm

1 stop7h 11m

$354
Quickest round-trip

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Tue 5/26

1:41 pm-7:13 pm

1 stop4h 32m

Rapid City

Fri 5/29

10:21 am-3:12 pm

1 stop5h 51m

$361

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 5/1

3:23 pm-10:20 pm

1 stop6h 57m

Rapid City

Mon 5/4

6:00 am-2:26 pm

1 stop8h 26m

$364

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Sat 5/2

6:00 am-3:15 pm

2 stops9h 15m

Rapid City

Mon 5/4

6:00 am-2:26 pm

1 stop8h 26m

$383

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Fri 7/3

11:58 am-9:15 am

1 stop20h 17m

Rapid City

Sun 7/5

9:50 pm-11:33 am

2 stops14h 43m

$448

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 April is also cheap. Prices for this month can be found on momondo for an average of $348.

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

Fastest flight time

4h 11m

Direct flights

None
The fastest flight from Idaho to Rapid City takes 4h 11m
There are no direct flights from Idaho to Rapid City. There are no popular flight routes from Idaho to Rapid City.
Search flight deals

Frequently asked questions about flying from Idaho to Rapid City

  • 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 $318Free CancellationRating
7.4
9,533 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
Spearfish
Hill City
Hot Springs
Wall

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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