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Cheap flights from Idaho Falls to Rapid City from $249

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 2/6. 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
2:40 pm - 7:14 pm
IDA
-
RAP
4h 34m1 stop
United Airlines Logo
5:10 am - 9:56 am
RAP
-
IDA
4h 46m1 stop
$249United Airlines
vie., feb. 6 - dom., feb. 8
United Airlines Logo
4:19 pm - 8:32 pm
IDA
-
RAP
4h 13m1 stop
United Airlines Logo
5:10 am - 9:56 am
RAP
-
IDA
4h 46m1 stop
$309United Airlines
mié., ene. 28 - sáb., ene. 31
United Airlines Logo
4:19 pm - 8:32 pm
IDA
-
RAP
4h 13m1 stop
United Airlines Logo
5:10 am - 9:56 am
RAP
-
IDA
4h 46m1 stop
$380United Airlines
jue., ene. 22 - dom., ene. 25
United Airlines Logo
4:19 pm - 8:32 pm
IDA
-
RAP
4h 13m1 stop
United Airlines Logo
5:10 am - 9:56 am
RAP
-
IDA
4h 46m1 stop
$668United Airlines
jue., ene. 22 - lun., ene. 26
Delta Logo
1:15 pm - 10:28 pm
IDA
-
RAP
9h 13m2 stops
Delta Logo
6:00 am - 5:51 pm
RAP
-
IDA
11h 51m2 stops
$1,612Delta
jue., ene. 22 - dom., ene. 25
Delta Logo
1:15 pm - 10:28 pm
IDA
-
RAP
9h 13m2 stops
Delta Logo
6:00 am - 5:51 pm
RAP
-
IDA
11h 51m2 stops
$1,944Delta
jue., ene. 22 - lun., ene. 26

United Airlines flights from Idaho Falls to Rapid City

Our best United Airlines deals on Idaho Falls to Rapid City flight tickets
United Airlines
Feb 6
IDA2:40 pmIdaho Falls Fanning Field
4h 34m
1 stop
RAP7:14 pmRapid City
Feb 8
RAP5:10 amRapid City
4h 46m
1 stop
IDA9:56 amIdaho Falls Fanning Field
$249
United Airlines
Jan 13
IDA2:40 pmIdaho Falls Fanning Field
4h 34m
1 stop
RAP7:14 pmRapid City
Jan 20
RAP8:30 amRapid City
5h 00m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
$279
United Airlines
Jan 28
IDA4:19 pmIdaho Falls Fanning Field
4h 13m
1 stop
RAP8:32 pmRapid City
Jan 31
RAP5:10 amRapid City
4h 46m
1 stop
IDA9:56 amIdaho Falls Fanning Field
$309

Delta flights from Idaho Falls to Rapid City

Our best Delta deals on Idaho Falls to Rapid City flight tickets
Delta
Jan 13
IDA5:25 amIdaho Falls Fanning Field
10h 00m
2 stops
RAP3:25 pmRapid City
Jan 20
RAP6:00 amRapid City
11h 51m
2 stops
IDA5:51 pmIdaho Falls Fanning Field
$1,480
Delta
Jan 22
IDA1:15 pmIdaho Falls Fanning Field
9h 13m
2 stops
RAP10:28 pmRapid City
Jan 25
RAP6:00 amRapid City
11h 51m
2 stops
IDA5:51 pmIdaho Falls Fanning Field
$1,612
Delta
Jan 22
IDA1:15 pmIdaho Falls Fanning Field
9h 13m
2 stops
RAP10:28 pmRapid City
Jan 26
RAP6:00 amRapid City
11h 51m
2 stops
IDA5:51 pmIdaho Falls Fanning Field
$1,944

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 enero 8, 2026.
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

vie. 2/6

2:40 pm-7:14 pm

1 stop4h 34m

Rapid City

dom. 2/8

5:10 am-9:56 am

1 stop4h 46m

$249

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

mié. 1/28

4:19 pm-8:32 pm

1 stop4h 13m

Rapid City

sáb. 1/31

5:10 am-9:56 am

1 stop4h 46m

$309

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

jue. 1/22

4:19 pm-8:32 pm

1 stop4h 13m

Rapid City

dom. 1/25

5:10 am-9:56 am

1 stop4h 46m

$380

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

jue. 1/22

4:19 pm-8:32 pm

1 stop4h 13m

Rapid City

lun. 1/26

5:10 am-9:56 am

1 stop4h 46m

$668

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

jue. 1/22

1:15 pm-10:28 pm

2 stops9h 13m

Rapid City

dom. 1/25

6:00 am-5:51 pm

2 stops11h 51m

$1,612

Idaho FallsRapid City

IDA - RAP

IDARAP

Idaho Falls Fanning Field

jue. 1/22

1:15 pm-10:28 pm

2 stops9h 13m

Rapid City

lun. 1/26

6:00 am-5:51 pm

2 stops11h 51m

$1,944

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

4h 13m

Direct flights

None
The fastest flight from Idaho Falls to Rapid City takes 4h 13m
There are no direct flights from Idaho Falls to Rapid City. There are no popular flight routes from Idaho Falls to Rapid City.
Search flight deals

  • 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 13m, 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
9,139 reviews
Search United Airlines flights

  • How do I get Price Alerts for flights from Idaho Falls to Rapid City?

    Confirm your travel details to search for the latest offers for flights from Idaho Falls to Rapid City. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Idaho Falls to Rapid City with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
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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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