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Cheap flights from Rapid City to Los Angeles from $200

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 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Rapid City to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:45 pm - 8:03 amRAP  Rapid City-ONT Ontario
16h 18m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:40 pm - 2:40 pmONT  Ontario-RAP Rapid City
22h 00m1 stop Las Vegas Harry Reid Intl
$275Multiple Airlines
Thu, Aug 27 - Sat, Aug 29
Multiple Airlines Logo
4:45 pm - 8:03 amRAP  Rapid City-ONT Ontario
16h 18m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
11:50 am - 2:40 pmONT  Ontario-RAP Rapid City
25h 50m1 stop Las Vegas Harry Reid Intl
$322Multiple Airlines
Thu, Aug 27 - Sat, Aug 29
Multiple Airlines Logo
4:45 pm - 8:03 amRAP  Rapid City-ONT Ontario
16h 18m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:48 am - 2:40 pmONT  Ontario-RAP Rapid City
28h 52m2 stops San Francisco Las Vegas Harry Reid Intl
$330Multiple Airlines
Thu, Aug 27 - Sat, Aug 29
United Airlines Logo
5:00 am - 12:12 pmRAP  Rapid City-ONT Ontario
8h 12m2 stops Denver Intl San Francisco
United Airlines Logo
5:00 am - 12:24 pmONT  Ontario-RAP Rapid City
6h 24m1 stop Denver Intl
$334United Airlines
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
8:55 am - 6:11 pmRAP  Rapid City-ONT Ontario
10h 16m2 stops Denver Intl San Francisco
United Airlines Logo
1:56 pm - 10:28 pmONT  Ontario-RAP Rapid City
7h 32m2 stops San Francisco Denver Intl
$364United Airlines
Thu, Aug 27 - Sat, Aug 29
United Airlines Logo
8:55 am - 12:50 pmRAP  Rapid City-ONT Ontario
4h 55m1 stop Denver Intl
United Airlines Logo
5:00 am - 11:55 amONT  Ontario-RAP Rapid City
5h 55m1 stop Denver Intl
$379United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
8:55 am - 8:01 pmRAP  Rapid City-ONT Ontario
12h 06m2 stops Denver Intl San Francisco
United Airlines Logo
5:00 am - 12:24 pmONT  Ontario-RAP Rapid City
6h 24m1 stop Denver Intl
$384United Airlines
Thu, Aug 27 - Sat, Aug 29
United Airlines Logo
8:55 am - 8:01 pmRAP  Rapid City-ONT Ontario
12h 06m2 stops Denver Intl San Francisco
United Airlines Logo
1:18 pm - 8:37 pmONT  Ontario-RAP Rapid City
6h 19m1 stop Denver Intl
$384United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
7:00 am - 12:50 pmRAP  Rapid City-ONT Ontario
6h 50m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:24 pmONT  Ontario-RAP Rapid City
6h 24m1 stop Denver Intl
$388United Airlines
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
10:26 am - 8:01 pmRAP  Rapid City-ONT Ontario
10h 35m2 stops Denver Intl San Francisco
United Airlines Logo
1:56 pm - 10:28 pmONT  Ontario-RAP Rapid City
7h 32m2 stops San Francisco Denver Intl
$389United Airlines
Thu, Aug 27 - Sat, Aug 29

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United Airlines flights from Rapid City to Ontario

Our best United Airlines deals on Rapid City to Ontario flight tickets
United Airlines
Sep 6
RAP5:00 amRapid City
8h 12m
2 stops
ONT12:12 pmOntario
Sep 12
ONT5:00 amOntario
6h 24m
1 stop
RAP12:24 pmRapid City
$334
United Airlines
Aug 27
RAP8:55 amRapid City
10h 16m
2 stops
ONT6:11 pmOntario
Aug 29
ONT1:56 pmOntario
7h 32m
2 stops
RAP10:28 pmRapid City
$364
United Airlines
Aug 25
RAP8:55 amRapid City
4h 55m
1 stop
ONT12:50 pmOntario
Aug 29
ONT5:00 amOntario
5h 55m
1 stop
RAP11:55 amRapid City
$379

American Airlines flights from Rapid City to Ontario

Our best American Airlines deals on Rapid City to Ontario flight tickets
American Airlines
Aug 14
RAP11:45 amRapid City
4h 34m
1 stop
ONT3:19 pmOntario
Aug 16
ONT6:00 amOntario
9h 22m
1 stop
RAP4:22 pmRapid City
$732
American Airlines
Aug 14
RAP11:45 amRapid City
4h 34m
1 stop
ONT3:19 pmOntario
Aug 16
ONT6:15 amOntario
9h 07m
2 stops
RAP4:22 pmRapid City
$797

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Rapid City to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Thu 8/27

4:45 pm-8:03 am

1 stop16h 18m

Ontario

Sat 8/29

3:40 pm-2:40 pm

1 stop22h 00m

$275

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Thu 8/27

4:45 pm-8:03 am

1 stop16h 18m

Ontario

Sat 8/29

11:50 am-2:40 pm

1 stop25h 50m

$322

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Thu 8/27

4:45 pm-8:03 am

1 stop16h 18m

Ontario

Sat 8/29

8:48 am-2:40 pm

2 stops28h 52m

$330

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Sun 9/6

5:00 am-12:12 pm

2 stops8h 12m

Ontario

Sat 9/12

5:00 am-12:24 pm

1 stop6h 24m

$334

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Thu 8/27

8:55 am-6:11 pm

2 stops10h 16m

Ontario

Sat 8/29

1:56 pm-10:28 pm

2 stops7h 32m

$364
Quickest round-trip

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Tue 8/25

8:55 am-12:50 pm

1 stop4h 55m

Ontario

Sat 8/29

5:00 am-11:55 am

1 stop5h 55m

$379

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Thu 8/27

8:55 am-8:01 pm

2 stops12h 06m

Ontario

Sat 8/29

5:00 am-12:24 pm

1 stop6h 24m

$384

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Tue 8/25

8:55 am-8:01 pm

2 stops12h 06m

Ontario

Sat 8/29

1:18 pm-8:37 pm

1 stop6h 19m

$384

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Sun 9/6

7:00 am-12:50 pm

1 stop6h 50m

Ontario

Sat 9/12

5:00 am-12:24 pm

1 stop6h 24m

$388

Rapid CityOntario

RAP Rapid City - ONT Ontario

RAPONT

Rapid City

Thu 8/27

10:26 am-8:01 pm

2 stops10h 35m

Ontario

Sat 8/29

1:56 pm-10:28 pm

2 stops7h 32m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest airline that flies from Rapid City to Ontario?

United Airlines is the most popular carrier operating from Rapid City to Ontario

When to book flights from Rapid City to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

5h 17m

Direct flights

None
The fastest flight from Rapid City to Ontario takes 5h 17m
There are no direct flights from Rapid City to Ontario. There are no popular flight routes from Rapid City to Ontario.
Search flight deals

Frequently asked questions about flying 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 17m.

  • 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?

  • 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?

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
United AirlinesPriceFrom $236Free CancellationRating
7.4
10,099 reviews
Search United Airlines flights

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.

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