$216 Cheap Flights from Rapid City (RAP) to Houston (IAH)

View $216 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH)

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

Prices were available within the past 7 days and start at $216 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, Jan 7 - Wed, Jan 14
RAP
Rapid City
IAH
Houston
$259 Roundtrip, just found
$259
Roundtrip
just found
Select American Airlines flight, departing Wed, Jan 7 from Rapid City to Houston, returning Wed, Jan 14, priced at $259 just found
Delta
Mon, Jan 5 - Tue, Jan 20
RAP
Rapid City
IAH
Houston
$259 Roundtrip, just found
$259
Roundtrip
just found
Select Delta flight, departing Mon, Jan 5 from Rapid City to Houston, returning Tue, Jan 20, priced at $259 just found
Delta
Mon, Jan 5 - Sat, Jan 17
RAP
Rapid City
IAH
Houston
$264 Roundtrip, just found
$264
Roundtrip
just found
Select Delta flight, departing Mon, Jan 5 from Rapid City to Houston, returning Sat, Jan 17, priced at $264 just found
Delta
Mon, Jan 12 - Sat, Jan 17
RAP
Rapid City
IAH
Houston
$269 Roundtrip, found 3 days ago
$269
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jan 12 from Rapid City to Houston, returning Sat, Jan 17, priced at $269 found 3 days ago
Delta
Sun, Mar 1 - Tue, Mar 17
RAP
Rapid City
IAH
Houston
$284 Roundtrip, found 10 hours ago
$284
Roundtrip
found 10 hours ago
Select Delta flight, departing Sun, Mar 1 from Rapid City to Houston, returning Tue, Mar 17, priced at $284 found 10 hours ago
United
Wed, Jan 7 - Wed, Jan 14
RAP
Rapid City
IAH
Houston
$288 Roundtrip, just found
$288
Roundtrip
just found
Select United flight, departing Wed, Jan 7 from Rapid City to Houston, returning Wed, Jan 14, priced at $288 just found
Delta
Thu, Feb 12 - Wed, Feb 25
RAP
Rapid City
IAH
Houston
$289 Roundtrip, found 10 hours ago
$289
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Feb 12 from Rapid City to Houston, returning Wed, Feb 25, priced at $289 found 10 hours ago
United
Wed, Jan 7 - Wed, Jan 14
RAP
Rapid City
IAH
Houston
$298 Roundtrip, just found
$298
Roundtrip
just found
Select United flight, departing Wed, Jan 7 from Rapid City to Houston, returning Wed, Jan 14, priced at $298 just found
United
Thu, Jan 29 - Sun, Feb 1
RAP
Rapid City
IAH
Houston
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 29 from Rapid City to Houston, returning Sun, Feb 1, priced at $304 found 2 days ago
Delta
Sun, Mar 8 - Tue, Mar 24
RAP
Rapid City
IAH
Houston
$309 Roundtrip, found 10 hours ago
$309
Roundtrip
found 10 hours ago
Select Delta flight, departing Sun, Mar 8 from Rapid City to Houston, returning Tue, Mar 24, priced at $309 found 10 hours ago

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

September is typically the cheapest month to fly

From $254 - $507 per traveler.

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $409
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $409
Flights from Rapid City (RAP) to Houston (IAH)
Origin airport
Rapid City Regional
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
1058 mi

Rapid City to Houston Flights

The cheapest times to fly from Rapid City to Houston

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 Rapid City to Houston are during the month of January. You can find some of the cheapest flights from Rapid City to Houston with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Rapid City to Houston: 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 Rapid City to Houston

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 Rapid City to Houston in 2026. You can also book with separate airlines for your outbound and return journeys, from $216 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 Rapid City to Houston 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 Rapid City to Houston 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 Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH) cost?
Grab a cheap one-way flight from $216 or cheap return flight from $259 from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH)?
January is the least expensive month to fly from RAP to IAH. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH)?
To find the cheapest airline that'll fly you from RAP to IAH, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH)?
You'll need to book a flight with a layover if you're traveling from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from RAP to IAH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including the time of year 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 Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH)?
To arrive at George Bush Intercontinental Airport (IAH) on schedule, book a flight that leaves from Rapid City Regional Airport (RAP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from RAP to IAH are typically more expensive. To lock in the best prices, start looking for flights early. That being said, if you can play around with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a RAP to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a RAP to IAH flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to George Bush Intercontinental Airport (IAH)?
In most cases, you can cancel or reschedule your RAP to IAH flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.