$151 Cheap Flights from Houston (HOU) to Rapid City (RAP)

View $151 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Rapid City Regional Airport (RAP)

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Cheap Flights from Houston to Rapid City (HOU-RAP)

Prices were available within the past 7 days and start at $151 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 15 - Sat, Oct 18
HOU
Houston
RAP
Rapid City
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 15 from Houston to Rapid City, returning Sat, Oct 18, priced at $259 found 2 days ago

Find the cheapest month to fly from Houston (HOU) to Rapid City (RAP)

July is typically the cheapest month to fly

From $258 - $483 per traveler.

Graph displaying average flight prices per month

Alternative airports near Rapid City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Rapid City Regional RAP. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $483
RAP
Rapid City Regional
CheapestClosest
Average driving time to city center16 min
Flights from $483
Flights from Houston (HOU) to Rapid City (RAP)
Origin airport
William P. Hobby
Destination airport
Rapid City Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$258
Distance
1081 mi

Houston to Rapid City Flights

The cheapest times to fly from Houston to Rapid City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Rapid City are during the month of October. You can find some of the cheapest flights from Houston to Rapid City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Rapid City

Sunday is one of the best days to book for cheap flights from Houston to Rapid City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Rapid City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Rapid City in 2025. You can also book with separate airlines for your outbound and return journeys, from $151 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Rapid City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Rapid City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP) cost?
Snag a cheap one-way flight from $151 or cheap return flight from $259 from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP)?
Planning your trip for October can help you save, as it's the cheapest month for flights between HOU and RAP. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from HOU to RAP. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP)?
You'll have to take a flight with a layover when traveling from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HOU to RAP?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP)?
To land at Rapid City Regional Airport (RAP) on schedule, select a flight that takes off from William P. Hobby Airport (HOU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP) last-minute?
Last-minute bookings from HOU to RAP are generally more expensive. To secure the lowest prices, start looking for flights early. That said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a HOU to RAP flight and hotel package?
You can save money by securing a HOU to RAP flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Rapid City Regional Airport (RAP)?
In most cases, you can reschedule or cancel your HOU to RAP flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.