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Cheap flights from Idaho to Rapid City from $190

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 9/25. 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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Find the cheapest flights from Idaho to Rapid City

Cheap round-trip flights

United Airlines Logo
7:00 am - 12:38 pmIDA-RAP
5h 38m1 stop
United Airlines Logo
11:18 am - 3:11 pmRAP-IDA
3h 53m1 stop
$239United Airlines
Find Deal
Tue, Aug 26 - Sat, Aug 30
United Airlines Logo
5:00 am - 9:06 amIDA-RAP
4h 06m1 stop
United Airlines Logo
5:30 am - 9:47 amRAP-IDA
4h 17m1 stop
$253United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Delta Logo
3:06 pm - 10:32 pmBOI-RAP
7h 26m1 stop
Delta Logo
6:25 am - 2:01 pmRAP-BOI
7h 36m1 stop
$259Delta
Find Deal
Tue, Aug 26 - Sat, Aug 30
Delta Logo
3:06 pm - 10:32 pmBOI-RAP
7h 26m1 stop
Delta Logo
6:25 am - 7:05 pmRAP-BOI
12h 40m2 stops
$264Delta
Find Deal
Tue, Aug 26 - Sat, Aug 30
United Airlines Logo
2:42 pm - 8:39 pmBOI-RAP
5h 57m1 stop
United Airlines Logo
4:47 pm - 9:14 pmRAP-BOI
4h 27m1 stop
$319United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
1:38 pm - 8:53 pmBOI-RAP
7h 15m1 stop
American Airlines Logo
5:00 pm - 1:17 pmRAP-BOI
20h 17m2 stops
$344American Airlines
Find Deal
Fri, Sep 26 - Tue, Sep 30
United Airlines Logo
2:25 pm - 8:39 pmSUN-RAP
6h 14m1 stop
United Airlines Logo
7:00 am - 1:32 pmRAP-SUN
6h 32m1 stop
$345United Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
Delta Logo
12:45 pm - 10:32 pmBOI-RAP
9h 47m2 stops
Delta Logo
6:25 am - 7:05 pmRAP-BOI
12h 40m2 stops
$454Delta
Find Deal
Tue, Aug 26 - Sat, Aug 30
American Airlines Logo
1:57 pm - 12:03 pmBOI-RAP
22h 06m2 stops
American Airlines Logo
5:00 pm - 1:17 pmRAP-BOI
20h 17m2 stops
$507American Airlines
Find Deal
Fri, Sep 26 - Tue, Sep 30
American Airlines Logo
12:35 pm - 8:53 pmGEG-RAP
7h 18m1 stop
American Airlines Logo
4:38 pm - 10:35 pmRAP-GEG
6h 57m1 stop
$523American Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21

United Airlines flights from Idaho to Rapid City

Our best United Airlines deals on Idaho to Rapid City flight tickets
United Airlines
Aug 26
IDA7:00 amIdaho Falls Fanning Field
5h 38m
1 stop
RAP12:38 pmRapid City
Aug 30
RAP11:18 amRapid City
3h 53m
1 stop
IDA3:11 pmIdaho Falls Fanning Field
$239
Find similar
United Airlines
Aug 28
IDA5:00 amIdaho Falls Fanning Field
4h 06m
1 stop
RAP9:06 amRapid City
Sep 1
RAP5:30 amRapid City
4h 17m
1 stop
IDA9:47 amIdaho Falls Fanning Field
$253
Find similar
United Airlines
Sep 9
BOI2:42 pmBoise Air Term. Gowen Fld
5h 57m
1 stop
RAP8:39 pmRapid City
Sep 16
RAP4:47 pmRapid City
4h 27m
1 stop
BOI9:14 pmBoise Air Term. Gowen Fld
$319
Find similar

American Airlines flights from Idaho to Rapid City

Our best American Airlines deals on Idaho to Rapid City flight tickets
American Airlines
Sep 26
BOI1:38 pmBoise Air Term. Gowen Fld
7h 15m
1 stop
RAP8:53 pmRapid City
Sep 30
RAP5:00 pmRapid City
20h 17m
2 stops
BOI1:17 pmBoise Air Term. Gowen Fld
$344
Find similar
American Airlines
Sep 26
BOI1:57 pmBoise Air Term. Gowen Fld
22h 06m
2 stops
RAP12:03 pmRapid City
Sep 30
RAP5:00 pmRapid City
20h 17m
2 stops
BOI1:17 pmBoise Air Term. Gowen Fld
$507
Find similar
American Airlines
Sep 19
GEG12:35 pmSpokane
7h 18m
1 stop
RAP8:53 pmRapid City
Sep 21
RAP4:38 pmRapid City
6h 57m
1 stop
GEG10:35 pmSpokane
$523
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 August 13, 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

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Tue 8/26

7:00 am-12:38 pm

1 stop5h 38m

Rapid City

Sat 8/30

11:18 am-3:11 pm

1 stop3h 53m

$239

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 8/28

5:00 am-9:06 am

1 stop4h 06m

Rapid City

Mon 9/1

5:30 am-9:47 am

1 stop4h 17m

$253

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 8/26

3:06 pm-10:32 pm

1 stop7h 26m

Rapid City

Sat 8/30

6:25 am-2:01 pm

1 stop7h 36m

$259

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 8/26

3:06 pm-10:32 pm

1 stop7h 26m

Rapid City

Sat 8/30

6:25 am-7:05 pm

2 stops12h 40m

$264

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 9/9

2:42 pm-8:39 pm

1 stop5h 57m

Rapid City

Tue 9/16

4:47 pm-9:14 pm

1 stop4h 27m

$319

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 9/26

1:38 pm-8:53 pm

1 stop7h 15m

Rapid City

Tue 9/30

5:00 pm-1:17 pm

2 stops20h 17m

$344

HaileyRapid City

SUN - RAP

SUNRAP

Hailey Sun Valley-Friedman

Wed 8/27

2:25 pm-8:39 pm

1 stop6h 14m

Rapid City

Sun 8/31

7:00 am-1:32 pm

1 stop6h 32m

$345

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Tue 8/26

12:45 pm-10:32 pm

2 stops9h 47m

Rapid City

Sat 8/30

6:25 am-7:05 pm

2 stops12h 40m

$454

BoiseRapid City

BOI - RAP

BOIRAP

Boise Air Term. Gowen Fld

Fri 9/26

1:57 pm-12:03 pm

2 stops22h 06m

Rapid City

Tue 9/30

5:00 pm-1:17 pm

2 stops20h 17m

$507

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Fri 9/19

12:35 pm-8:53 pm

1 stop7h 18m

Rapid City

Sun 9/21

4:38 pm-10:35 pm

1 stop6h 57m

$523

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 $324.

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

Best Price Found

$190

Fastest flight time

3h 59m

Direct flights

None

Airports in Rapid City

1 airport
The best one-way flight to Rapid City from Idaho in the past 72 hours is $190. The best round-trip flight deal from Idaho to Rapid City found on momondo in the last 72 hours is $239.
The fastest flight from Idaho to Rapid City takes 3h 59m
There are no direct flights from Idaho to Rapid City. Popular non-direct routes for this connection are Idaho Falls Fanning Field Airport - Rapid City Airport, Spokane Airport - Rapid City Airport and Jackson Hole Airport - Rapid City Airport.
There is 1 airport near Rapid City: Rapid City (RAP)
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
8,920 reviews
Search United Airlines flights
DeltaPriceFrom $248Free CancellationRating
8.0
7,979 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
Sturgis
Keystone
Spearfish
Custer
Hot Springs
Wall
Hill City

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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