RAP to LAX, Rapid City Regional Airport to Los Angeles International Airport Cheap Flights

Based on HopeGoo data, United Airlines offers one-way fares as low as US$216 on Cheapest nonstop routes (e.g. RAP to LAX on Thu, Mar 26), while Delta Air Lines offers Cheapest nonstop round-trips from US$271 departing on Thu, Apr 9 and returning on Fri, Apr 17.

At the moment, several airlines serve connecting flights from Rapid City to Los Angeles, including: Sun Country Airlines Selected airlines are based on historical data collected from flight bookings made by users on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Rapid City to Los Angeles is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Rapid City to Los Angeles, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Mar 26, with one-way flights priced at just US$216. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Los Angeles travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Rapid City to Los Angeles is August, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Rapid City to Los Angeles on February 28, 2026 with Delta Air Lines, with prices starting at US$270.

You can land at any one of the following hubs in Los Angeles, with Rapid City Regional Airport to Los Angeles International Airport (RAP-LAX) is by far the most common option on this route: Los Angeles International Airport (LAX) Ontario International Airport (ONT) Van Nuys Airport (VNY).

The time difference between Los Angeles and Rapid City is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.