$245 Cheap flight deals from Houston (HOU) to Keystone (RAP)

Many airlines offer flexible change policies

This Weekend's Flight Deals from Houston to Keystone

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 17 - Thu, May 21
IAH
George Bush Intercontinental
RAP
Rapid City Regional
$775 Roundtrip, found 1 day ago
$775
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, May 17 from George Bush Intercontinental to Rapid City Regional, returning Thu, May 21, priced at $775 found 1 day ago
Sun, May 17 - Thu, May 21
IAH
George Bush Intercontinental
RAP
Rapid City Regional
$775 Roundtrip, found 1 day ago
$775
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, May 17 from George Bush Intercontinental to Rapid City Regional, returning Thu, May 21, priced at $775 found 1 day ago

Airfares from $245 One Way, $309 Round Trip from Houston to Keystone

Prices starting at $309 for return flights and $245 for one-way flights to Keystone were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 22 - Mon, Oct 26
IAH
Houston
RAP
Rapid City
$309 Roundtrip, found 6 hours ago
$309
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Oct 22 from Houston to Rapid City, returning Mon, Oct 26, priced at $309 found 6 hours ago
Thu, Oct 22 - Mon, Oct 26
IAH
Houston
RAP
Rapid City
$309 Roundtrip, found 6 hours ago
$309
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Oct 22 from Houston to Rapid City, returning Mon, Oct 26, priced at $309 found 6 hours ago
Thu, Oct 22 - Mon, Oct 26
IAH
Houston
RAP
Rapid City
$325 Roundtrip, found 6 hours ago
$325
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Oct 22 from Houston to Rapid City, returning Mon, Oct 26, priced at $325 found 6 hours ago
Thu, Oct 22 - Mon, Oct 26
IAH
Houston
RAP
Rapid City
$334 Roundtrip, found 6 hours ago
$334
Roundtrip
found 6 hours ago
Select Delta flight, departing Thu, Oct 22 from Houston to Rapid City, returning Mon, Oct 26, priced at $334 found 6 hours ago
Sat, Aug 22 - Fri, Aug 28
IAH
Houston
RAP
Rapid City
$341 Roundtrip, found 6 days ago
$341
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 22 from Houston to Rapid City, returning Fri, Aug 28, priced at $341 found 6 days ago

Keystone economy flight packages

Price found within the past 48 hours. Click for updated prices.
Baymont by Wyndham Spearfish
2.5-star property

Baymont by Wyndham Spearfish

5.6/10 (1,001 reviews)

Jun 29 - Jul 4

5 night stay

Houston (HOU) to Rapid City (RAP)

United • Non-stop roundtrip • Coach
Price was $724, price is now $546 per person
$546
per person
found 3 hours ago
Friendly, clean, easy to find, nice breakfast

Reviewed on Nov 1, 2022

Spearfish Cottages
3.5-star property

Spearfish Cottages

9.8/10 Exceptional! (629 reviews)

Jun 29 - Jul 4

5 night stay

Houston (HOU) to Rapid City (RAP)

United • Non-stop roundtrip • Coach
Price was $959, price is now $706 per person
$706
per person
found 3 hours ago
Clean room, great location. Would for sure stay again!

Reviewed on Mar 2, 2026

Foothills Inn
2.5-star property

Foothills Inn

8/10 Very Good! (1,394 reviews)

Jun 29 - Jul 4

5 night stay

Houston (HOU) to Rapid City (RAP)

United • Non-stop roundtrip • Coach
Price was $788, price is now $596 per person
$596
per person
found 3 hours ago
Close to Mt. Rushmore

Reviewed on Apr 30, 2026

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More About Flying To Keystone from Houston

Route Information for Flights from Houston to Keystone

Origin Airport IATA Code
HOU
Destination Airport IATA Code
RAP
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival