Title: Cheap Flights from St. Louis to Rapid City (STL to RAP) - Expedia.co.uk ![](https://images.trvl-media.com/place/6059491/7f060111-0ecb-409d-8627-632d7acbfd12.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6059491/7f060111-0ecb-409d-8627-632d7acbfd12.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Rapid City (RAP) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Rapid City Regional Airport (RAP) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:rap,departure:01/10/2025TANYT&leg2=from:rap,to:stl,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:rap,departure:01/10/2025TANYT&leg2=from:rap,to:stl,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:rap,departure:01/10/2025TANYT&leg2=from:rap,to:stl,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from St. Louis (STL) to Rapid City (RAP) ### February is typically the cheapest month to fly From £183 - £379 per traveller. ## Frequently asked questions ### How much is a flight from Lambert Field to Rapid City Regional Airport (RAP)? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from St. Louis Lambert International Airport to RAP was . Fares this good don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Rapid City Regional Airport? > Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from STL to Rapid City Regional Airport (RAP) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lambert-St. Louis Intl. Airport (STL) to Rapid City Regional Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Lambert-St. Louis Intl. Airport (STL) to RAP? > That new movie you've been desperate to see will have to wait — the flight distance between STL (STL) and Rapid City Regional Airport (RAP) (RAP) is only 1,200 kilometres. The captain will be asking you to put your seat upright for touchdown before you know it. ### Which airlines fly direct from Lambert Field to Rapid City Regional Airport (RAP)? > Flying directly between Lambert Field and Rapid City Regional Airport (RAP) isn't possible at the moment. However, you'll still be able to find a flight to Rapid City with at least one stop. ### Are Lambert Field to RAP flight tickets cheaper when they're purchased at the last minute? > It is possible to pick up great last-minute deals from Lambert-St. Louis Intl. Airport (STL) to Rapid City Regional Airport (RAP), but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals often, so you can feel confident knowing you're always seeing the latest offers. ## Travel information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Rapid City Regional | | Distance | 1202 km | ## Book with confidence ### Compare flights from St. Louis to Rapid City easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Rapid City. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Rapid City Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Rapid City Regional.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Rapid City Regional (RAP) The easiest way to view the best deals on flights from St. Louis to Rapid City today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Rapid City Regional start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near St. Louis and Rapid City - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your St. Louis to Rapid City flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Rapid City Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [4 Star Hotels in Rapid City](https://www.expedia.co.uk/4Star-Rapid-City-Hotels.s40-0-d6059491.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Rapid City](https://www.expedia.co.uk/5Star-Rapid-City-Hotels.s50-0-d6059491.Travel-Guide-Filter-Hotels) - [Hotels near Black Hills Playhouse](https://www.expedia.co.uk/Black-Hills-Playhouse-Hotels.0-l553248621556372388-0.Travel-Guide-Filter-Hotels) - [Blackhawk Hotels](https://www.expedia.co.uk/Blackhawk-Hotels.d602778.Travel-Guide-Hotels) - [Box Elder Hotels](https://www.expedia.co.uk/Box-Elder-Hotels.d6337891.Travel-Guide-Hotels) - [Colonial Pine Hills Hotels](https://www.expedia.co.uk/Colonial-Pine-Hills-Hotels.d553248635975872526.Travel-Guide-Hotels) - [Hotels near Custer State Park](https://www.expedia.co.uk/Custer-State-Park-Hotels.0-l6337947-0.Travel-Guide-Filter-Hotels) - 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