Cheap flights from Rapid City to Los Angeles from $179
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Los Angeles departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Rapid City to Los Angeles
Cheap round-trip flights
United Airlines flights from Rapid City to Ontario
Our best United Airlines deals on Rapid City to Ontario flight tickets
American Airlines flights from Rapid City to Ontario
Our best American Airlines deals on Rapid City to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Rapid City to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Rapid City and Ontario?
What is the cheapest month to fly to Ontario?
In general, October is the cheapest month to fly from Rapid City to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you aren’t able to travel during the month of October, then book flights to Ontario from Rapid City during January instead. Flights to Ontario in January, while not as cheap as those in October, still average around $318.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Friday when prices can be found for as low as $377. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Rapid City to Ontario for around $498.
What is the cheapest airline that flies from Rapid City to Ontario?
American Airlines, Delta, and United Airlines are the most popular carriers operating from Rapid City to Ontario
What airlines fly to Ontario?
United Airlines, Allegiant Air and American Airlines are the top three most popular airlines that fly to Ontario from Rapid City according to our data. United Airlines is the first choice among our users, with 84% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Rapid City to Ontario
Cheap Rapid City to Ontario (RAP to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Rapid City to Ontario
How far is Rapid City to Ontario by plane?
The straight-line distance from Rapid City to Ontario is 1034.4 mi. By plane, this route typically takes 5h 47m.
When did momondo last update prices for flights from Rapid City Airport to Ontario Airport?
Prices for flights from Rapid City Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Rapid City Airport to Ontario Airport?
The number of operators available for flights from Rapid City Airport to Ontario Airport is 1 as of July 2025.
How old do you have to be to fly from Rapid City Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Rapid City to Ontario?
momondo data reveals that the most frequently booked airline on the route from Rapid City to Ontario is United Airlines, representing 100% of all bookings.
Best airlines flying from Rapid City to Ontario
Compare and see reviews for airlines that fly from Rapid City to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $268 | Free Cancellation | Rating 7.4 8,861 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Rapid City to Ontario?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rapid City to Ontario for you.
Can I find flights from Rapid City to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario from Rapid City with this policy.
How can momondo help me find flights from Rapid City to Ontario?
Once you have performed a search for Rapid City to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Rapid City to Ontario right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Rapid City to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.