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Cheap flights from Idaho Falls to Rapid City from $289

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Rapid City departing on 3/7. 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
0 bags

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Find the cheapest flights from Idaho Falls to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
5:00 am - 9:15 amIDA-RAP
4h 15m1 stop
United Airlines Logo
9:25 pm - 2:03 amRAP-IDA
4h 38m1 stop
$378United Airlines
Find Deal
Tue, Nov 25 - Sat, Nov 29
United Airlines Logo
5:00 am - 9:15 amIDA-RAP
4h 15m1 stop
United Airlines Logo
8:45 am - 3:16 pmRAP-IDA
6h 31m1 stop
$545United Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
United Airlines Logo
2:30 pm - 7:12 pmIDA-RAP
4h 42m1 stop
United Airlines Logo
8:45 am - 9:58 amRAP-IDA
25h 13m1 stop
$653United Airlines
Find Deal
Thu, Dec 18 - Fri, Dec 19
United Airlines Logo
5:00 am - 10:34 amIDA-RAP
29h 34m2 stops
United Airlines Logo
9:25 pm - 2:03 amRAP-IDA
4h 38m1 stop
$709United Airlines
Find Deal
Tue, Nov 25 - Sat, Nov 29
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
Sat, Mar 7 - Tue, Mar 10
American Airlines Logo
7:00 am - 10:19 pmIDA-RAP
15h 19m2 stops
American Airlines Logo
5:51 am - 12:22 pmRAP-IDA
6h 31m1 stop
$866American Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
Delta Logo
6:00 am - 2:09 pmIDA-RAP
8h 09m2 stops
Delta Logo
6:05 am - 6:26 pmRAP-IDA
12h 21m2 stops
$1,661Delta
Find Deal
Thu, Dec 18 - Fri, Dec 19
Delta Logo
6:00 am - 3:45 pmIDA-RAP
9h 45m2 stops
Delta Logo
6:05 am - 6:17 pmRAP-IDA
12h 12m2 stops
$1,721Delta
Find Deal
Tue, Nov 25 - Sat, Nov 29

United Airlines flights from Idaho Falls to Rapid City

Our best United Airlines deals on Idaho Falls to Rapid City flight tickets
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 25
IDA5:00 amIdaho Falls Fanning Field
4h 15m
1 stop
RAP9:15 amRapid City
Nov 29
RAP9:25 pmRapid City
4h 38m
1 stop
IDA2:03 amIdaho Falls Fanning Field
$378
Find similar
United Airlines
Nov 21
IDA5:00 amIdaho Falls Fanning Field
4h 15m
1 stop
RAP9:15 amRapid City
Nov 24
RAP8:45 amRapid City
6h 31m
1 stop
IDA3:16 pmIdaho Falls Fanning Field
$545
Find similar

Delta flights from Idaho Falls to Rapid City

Our best Delta deals on Idaho Falls to Rapid City flight tickets
Delta
Dec 18
IDA6:00 amIdaho Falls Fanning Field
8h 09m
2 stops
RAP2:09 pmRapid City
Dec 19
RAP6:05 amRapid City
12h 21m
2 stops
IDA6:26 pmIdaho Falls Fanning Field
$1,661
Find similar
Delta
Nov 25
IDA6:00 amIdaho Falls Fanning Field
9h 45m
2 stops
RAP3:45 pmRapid City
Nov 29
RAP6:05 amRapid City
12h 12m
2 stops
IDA6:17 pmIdaho Falls Fanning Field
$1,721
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 November 10, 2025.
Use the filters below to find and compare flights from Idaho Falls 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

Sat 3/7

4:19 pm-8:33 pm

1 stop4h 14m

Rapid City

Tue 3/10

7:05 am-1:34 pm

1 stop6h 29m

$289

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Tue 11/25

5:00 am-9:15 am

1 stop4h 15m

Rapid City

Sat 11/29

9:25 pm-2:03 am

1 stop4h 38m

$378

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Fri 11/21

5:00 am-9:15 am

1 stop4h 15m

Rapid City

Mon 11/24

8:45 am-3:16 pm

1 stop6h 31m

$545

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 12/18

2:30 pm-7:12 pm

1 stop4h 42m

Rapid City

Fri 12/19

8:45 am-9:58 am

1 stop25h 13m

$653

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Tue 11/25

5:00 am-10:34 am

2 stops29h 34m

Rapid City

Sat 11/29

9:25 pm-2:03 am

1 stop4h 38m

$709

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Sat 3/7

7:00 am-10:19 pm

2 stops15h 19m

Rapid City

Tue 3/10

5:51 am-9:57 pm

2 stops16h 06m

$815

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Sat 3/7

7:00 am-10:19 pm

2 stops15h 19m

Rapid City

Tue 3/10

5:51 am-12:22 pm

1 stop6h 31m

$866

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 12/18

6:00 am-2:09 pm

2 stops8h 09m

Rapid City

Fri 12/19

6:05 am-6:26 pm

2 stops12h 21m

$1,661

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Tue 11/25

6:00 am-3:45 pm

2 stops9h 45m

Rapid City

Sat 11/29

6:05 am-6:17 pm

2 stops12h 12m

$1,721

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

Thu 12/18

2:30 pm-7:12 pm

1 stop4h 42m

$410

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho Falls 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 day to depart on your flight to Rapid City?

According to our data, Friday is the cheapest day to fly to Rapid City from Idaho Falls. The lowest ticket price found for a Friday departure recently was $238. 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 Thursday, with ticket prices averaging around $443.

When to book flights from Idaho Falls to Rapid City

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

Cheap Idaho Falls to Rapid City (IDA to RAP) flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho Falls to Rapid City. There are no popular flight routes from Idaho Falls to Rapid City.
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  • How far is Idaho Falls Fanning Field to Rapid City by plane?

    Rapid City is 440.7 mi away from Idaho Falls Fanning Field. Flights usually cover this in 4h 14m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Idaho Falls Fanning Field Airport to Rapid City Airport were last updated today.

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

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Rapid City Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The necessary travel and health documents for your Rapid City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Idaho Falls to Rapid City

Compare and see reviews for airlines that fly from Idaho Falls to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,012 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
Spearfish
Custer
Hill City
Wall
Hot Springs

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho Falls to Rapid City. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Idaho Falls to Rapid City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Idaho Falls 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 Falls to Rapid City right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Rapid City from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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