$149 Cheap Flights from Rapid City (RAP) to Los Angeles (LAX)

View $149 flight on Mon, Aug 18, 2025Opens in a new window
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Cheap Flights from Rapid City to Los Angeles (RAP-LAX)

Prices were available within the past 7 days and start at $149 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Fri, Jun 20 - Sun, Jun 29
RAP
Rapid City
LAX
Los Angeles
$297 Roundtrip, found 9 hours ago
$297
Roundtrip
found 9 hours ago
Select Sun Country Airlines flight, departing Fri, Jun 20 from Rapid City to Los Angeles, returning Sun, Jun 29, priced at $297 found 9 hours ago
Sun Country Airlines
Fri, Jun 20 - Thu, Jul 3
RAP
Rapid City
LAX
Los Angeles
$307 Roundtrip, found 9 hours ago
$307
Roundtrip
found 9 hours ago
Select Sun Country Airlines flight, departing Fri, Jun 20 from Rapid City to Los Angeles, returning Thu, Jul 3, priced at $307 found 9 hours ago
Sun Country Airlines
Mon, Jun 23 - Sun, Jun 29
RAP
Rapid City
LAX
Los Angeles
$317 Roundtrip, found 9 hours ago
$317
Roundtrip
found 9 hours ago
Select Sun Country Airlines flight, departing Mon, Jun 23 from Rapid City to Los Angeles, returning Sun, Jun 29, priced at $317 found 9 hours ago
Sun Country Airlines
Fri, Jul 4 - Fri, Jul 11
RAP
Rapid City
LAX
Los Angeles
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Fri, Jul 4 from Rapid City to Los Angeles, returning Fri, Jul 11, priced at $318 found 1 day ago
Sun Country Airlines
Fri, Jul 25 - Thu, Aug 14
RAP
Rapid City
LAX
Los Angeles
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Fri, Jul 25 from Rapid City to Los Angeles, returning Thu, Aug 14, priced at $327 found 1 day ago
Sun Country Airlines
Fri, Jul 25 - Tue, Jul 29
RAP
Rapid City
LAX
Los Angeles
$328 Roundtrip, found 2 days ago
$328
Roundtrip
found 2 days ago
Select Sun Country Airlines flight, departing Fri, Jul 25 from Rapid City to Los Angeles, returning Tue, Jul 29, priced at $328 found 2 days ago
American Airlines
Fri, Jul 4 - Fri, Jul 11
RAP
Rapid City
LAX
Los Angeles
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jul 4 from Rapid City to Los Angeles, returning Fri, Jul 11, priced at $332 found 1 day ago
Sun Country Airlines
Fri, Jul 18 - Tue, Jul 22
RAP
Rapid City
LAX
Los Angeles
$334 Roundtrip, found 6 days ago
$334
Roundtrip
found 6 days ago
Select Sun Country Airlines flight, departing Fri, Jul 18 from Rapid City to Los Angeles, returning Tue, Jul 22, priced at $334 found 6 days ago
Delta
Fri, Aug 29 - Mon, Sep 1
RAP
Rapid City
LAX
Los Angeles
$338 Roundtrip, found 3 hours ago
$338
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Aug 29 from Rapid City to Los Angeles, returning Mon, Sep 1, priced at $338 found 3 hours ago
United
Thu, May 15 - Sun, May 18
RAP
Rapid City
LAX
Los Angeles
$356 Roundtrip, found 1 hour ago
$356
Roundtrip
found 1 hour ago
Select United flight, departing Thu, May 15 from Rapid City to Los Angeles, returning Sun, May 18, priced at $356 found 1 hour ago
Flights from Rapid City (RAP) to Los Angeles (LAX)
Origin airport
Rapid City Regional
Destination airport
Los Angeles Intl.
Airlines serving
American Airlines, Delta, Sun Country Airlines, United
Roundtrip price
$297
Distance
1076 mi

Rapid City to Los Angeles Flights

The cheapest times to fly from Rapid City to Los Angeles

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

The best time to book a flight from Rapid City to Los Angeles

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

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 Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 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 Los Angeles 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 Los Angeles 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 Los Angeles Intl. Airport (LAX) cost?
Discover the latest flight deals from RAP to LAX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RAP to LAX?
The cheapest flights from RAP to LAX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from RAP to LAX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from RAP to LAX. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Rapid City Regional Airport (RAP) to Los Angeles Intl. Airport (LAX)?
Nonstop flights from Rapid City Regional Airport (RAP) to Los Angeles Intl. Airport (LAX) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from RAP to LAX?
Typically you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from RAP to LAX?
With 85% of journeys usually arriving on schedule, United Airlines has the best on-time performance for nonstop flights from Rapid City Regional Airport (RAP) to Los Angeles Intl. Airport (LAX). To monitor your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Rapid City Regional Airport (RAP) to Los Angeles Intl. Airport (LAX)?
To avoid possible delays on the Rapid City Regional Airport (RAP) to Los Angeles Intl. Airport (LAX) route, aim to fly before 3 PM. Later departures are 22% more likely to be canceled.**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 Los Angeles Intl. Airport (LAX) last-minute?
Booking your flight from RAP to LAX right before your trip is generally more expensive. But if you’re flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a RAP to LAX flight and hotel package?
Compared with arranging flights and hotels separately, booking a RAP to LAX flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one easy place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Los Angeles Intl. Airport (LAX)?
If you reserved your RAP to LAX flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.