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Cheap flights from Rapid City to Los Angeles from $306

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 10/15. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 12:50 pm
RAP
-
ONT
6h 50m
1 stop
United Airlines Logo
5:00 am - 12:24 pm
ONT
-
RAP
6h 24m
1 stop
$345United Airlines
Wed, Aug 19 - Tue, Sep 8
United Airlines Logo
11:22 am - 8:01 pm
RAP
-
ONT
9h 39m
2 stops
United Airlines Logo
5:00 am - 12:24 pm
ONT
-
RAP
6h 24m
1 stop
$350United Airlines
Wed, Aug 19 - Tue, Sep 8
American Airlines Logo
4:55 pm - 11:59 pm
RAP
-
ONT
8h 04m
1 stop
American Airlines Logo
11:59 pm - 9:47 am
ONT
-
RAP
8h 48m
1 stop
$374American Airlines
Fri, Jul 17 - Mon, Jul 20
United Airlines Logo
4:26 pm - 8:58 pm
RAP
-
ONT
5h 32m
1 stop
United Airlines Logo
5:00 am - 11:13 am
ONT
-
RAP
5h 13m
1 stop
$409United Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
11:17 am - 5:46 pm
RAP
-
ONT
7h 29m
2 stops
United Airlines Logo
5:00 am - 11:13 am
ONT
-
RAP
5h 13m
1 stop
$414United Airlines
Sat, Oct 24 - Tue, Oct 27
American Airlines Logo
5:00 pm - 11:59 pm
RAP
-
ONT
7h 59m
1 stop
American Airlines Logo
6:10 am - 12:11 pm
ONT
-
RAP
5h 01m
1 stop
$430American Airlines
Fri, Jun 26 - Tue, Jun 30
American Airlines Logo
4:55 pm - 11:59 pm
RAP
-
ONT
8h 04m
1 stop
American Airlines Logo
11:59 pm - 9:47 am
ONT
-
RAP
8h 48m
1 stop
$464American Airlines
Thu, Jul 9 - Fri, Jul 17
United Airlines Logo
7:00 am - 12:47 pm
RAP
-
ONT
6h 47m
1 stop
United Airlines Logo
5:00 am - 11:30 am
ONT
-
RAP
5h 30m
1 stop
$489United Airlines
Thu, Jul 30 - Sun, Aug 2
United Airlines Logo
11:17 am - 5:46 pm
RAP
-
ONT
7h 29m
2 stops
United Airlines Logo
1:33 pm - 11:13 am
ONT
-
RAP
20h 40m
2 stops
$497United Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
11:22 am - 6:16 pm
RAP
-
ONT
7h 54m
2 stops
United Airlines Logo
9:01 am - 8:38 pm
ONT
-
RAP
10h 37m
2 stops
$498United Airlines
Wed, Aug 19 - Tue, Sep 8

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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
Aug 19
RAP7:00 amRapid City
6h 50m
1 stop
ONT12:50 pmOntario
Sep 8
ONT5:00 amOntario
6h 24m
1 stop
RAP12:24 pmRapid City
$345
United Airlines
Aug 19
RAP11:22 amRapid City
9h 39m
2 stops
ONT8:01 pmOntario
Sep 8
ONT5:00 amOntario
6h 24m
1 stop
RAP12:24 pmRapid City
$350
United Airlines
Oct 24
RAP4:26 pmRapid City
5h 32m
1 stop
ONT8:58 pmOntario
Oct 27
ONT5:00 amOntario
5h 13m
1 stop
RAP11:13 amRapid City
$409

American Airlines flights from Rapid City to Ontario

Our best American Airlines deals on Rapid City to Ontario flight tickets
American Airlines
Jul 17
RAP4:55 pmRapid City
8h 04m
1 stop
ONT11:59 pmOntario
Jul 20
ONT11:59 pmOntario
8h 48m
1 stop
RAP9:47 amRapid City
$374
American Airlines
Jun 26
RAP5:00 pmRapid City
7h 59m
1 stop
ONT11:59 pmOntario
Jun 30
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
$430
American Airlines
Jun 17
RAP11:44 amRapid City
7h 37m
1 stop
ONT6:21 pmOntario
Jun 20
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
$441

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 June 15, 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 - ONT

RAPONT

Rapid City

Wed 8/19

7:00 am-12:50 pm

1 stop6h 50m

Ontario

Tue 9/8

5:00 am-12:24 pm

1 stop6h 24m

$345

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Wed 8/19

11:22 am-8:01 pm

2 stops9h 39m

Ontario

Tue 9/8

5:00 am-12:24 pm

1 stop6h 24m

$350

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Fri 7/17

4:55 pm-11:59 pm

1 stop8h 04m

Ontario

Mon 7/20

11:59 pm-9:47 am

1 stop8h 48m

$374
Quickest round-trip

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 10/24

4:26 pm-8:58 pm

1 stop5h 32m

Ontario

Tue 10/27

5:00 am-11:13 am

1 stop5h 13m

$409

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 10/24

11:17 am-5:46 pm

2 stops7h 29m

Ontario

Tue 10/27

5:00 am-11:13 am

1 stop5h 13m

$414

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Fri 6/26

5:00 pm-11:59 pm

1 stop7h 59m

Ontario

Tue 6/30

6:10 am-12:11 pm

1 stop5h 01m

$430

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Thu 7/9

4:55 pm-11:59 pm

1 stop8h 04m

Ontario

Fri 7/17

11:59 pm-9:47 am

1 stop8h 48m

$464

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Thu 7/30

7:00 am-12:47 pm

1 stop6h 47m

Ontario

Sun 8/2

5:00 am-11:30 am

1 stop5h 30m

$489

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sat 10/24

11:17 am-5:46 pm

2 stops7h 29m

Ontario

Tue 10/27

1:33 pm-11:13 am

2 stops20h 40m

$497

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Wed 8/19

11:22 am-6:16 pm

2 stops7h 54m

Ontario

Tue 9/8

9:01 am-8:38 pm

2 stops10h 37m

$498

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

4h 55m

Direct flights

None
The fastest flight from Rapid City to Ontario takes 4h 55m
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 4h 55m.

  • 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
9,831 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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