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Cheap flights from Rapid City to Los Angeles from $265

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
11:20 am - 5:28 pm
RAP
-
ONT
7h 08m
1 stop
United Airlines Logo
5:00 am - 12:29 pm
ONT
-
RAP
6h 29m
1 stop
$319United Airlines
Do, Mai 21 - Mo, Mai 25
Multiple Airlines Logo
9:54 pm - 3:09 pm
RAP
-
ONT
18h 15m
1 stop
Multiple Airlines Logo
8:36 pm - 9:04 pm
ONT
-
RAP
23h 28m
2 stops
$331Multiple Airlines
So, Jun 7 - Sa, Jun 13
United Airlines Logo
4:15 pm - 8:36 pm
RAP
-
ONT
5h 21m
1 stop
United Airlines Logo
1:40 pm - 9:55 pm
ONT
-
RAP
7h 15m
1 stop
$349United Airlines
Di, Apr 28 - Sa, Mai 2
American Airlines Logo
11:44 am - 6:22 pm
RAP
-
ONT
7h 38m
1 stop
American Airlines Logo
11:59 pm - 9:49 am
ONT
-
RAP
8h 50m
1 stop
$361American Airlines
Mi, Jun 17 - Sa, Jun 20
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
$380American Airlines
Mi, Jun 17 - Sa, Jun 20
United Airlines Logo
2:35 pm - 10:59 pm
RAP
-
ONT
9h 24m
2 stops
United Airlines Logo
5:00 am - 1:09 pm
ONT
-
RAP
7h 09m
1 stop
$388United Airlines
Fr, Mai 15 - Di, Mai 19
American Airlines Logo
6:00 am - 1:18 pm
RAP
-
ONT
8h 18m
1 stop
American Airlines Logo
12:19 pm - 9:58 pm
ONT
-
RAP
8h 39m
2 stops
$419American Airlines
Di, Apr 28 - Sa, Mai 2
United Airlines Logo
4:13 pm - 8:36 pm
RAP
-
ONT
5h 23m
1 stop
United Airlines Logo
1:40 pm - 7:15 pm
ONT
-
RAP
4h 35m
1 stop
$424United Airlines
Sa, Mai 2 - Di, Mai 5
American Airlines Logo
6:00 am - 4:22 pm
RAP
-
ONT
11h 22m
2 stops
American Airlines Logo
12:19 pm - 9:58 pm
ONT
-
RAP
8h 39m
2 stops
$425American Airlines
Di, Apr 28 - Sa, Mai 2
American Airlines Logo
5:00 pm - 10:38 pm
RAP
-
ONT
6h 38m
1 stop
American Airlines Logo
6:10 am - 4:30 pm
ONT
-
RAP
9h 20m
2 stops
$426American Airlines
Mi, Jun 17 - Sa, Jun 20

American Airlines flights from Rapid City to Ontario

Our best American Airlines deals on Rapid City to Ontario flight tickets
American Airlines
Jun 17
RAP11:44 amRapid City
7h 38m
1 stop
ONT6:22 pmOntario
Jun 20
ONT11:59 pmOntario
8h 50m
1 stop
RAP9:49 amRapid City
$361
American Airlines
Jun 17
RAP5:00 pmRapid City
7h 59m
1 stop
ONT11:59 pmOntario
Jun 20
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
$380
American Airlines
Apr 28
RAP6:00 amRapid City
8h 18m
1 stop
ONT1:18 pmOntario
May 2
ONT12:19 pmOntario
8h 39m
2 stops
RAP9:58 pmRapid City
$419

United Airlines flights from Rapid City to Ontario

Our best United Airlines deals on Rapid City to Ontario flight tickets
United Airlines
May 21
RAP11:20 amRapid City
7h 08m
1 stop
ONT5:28 pmOntario
May 25
ONT5:00 amOntario
6h 29m
1 stop
RAP12:29 pmRapid City
$319
United Airlines
Apr 28
RAP4:15 pmRapid City
5h 21m
1 stop
ONT8:36 pmOntario
May 2
ONT1:40 pmOntario
7h 15m
1 stop
RAP9:55 pmRapid City
$349
United Airlines
May 15
RAP2:35 pmRapid City
9h 24m
2 stops
ONT10:59 pmOntario
May 19
ONT5:00 amOntario
7h 09m
1 stop
RAP1:09 pmRapid City
$388

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 April 17, 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

Do 5/21

11:20 am-5:28 pm

1 stop7h 08m

Ontario

Mo 5/25

5:00 am-12:29 pm

1 stop6h 29m

$319

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

So 6/7

9:54 pm-3:09 pm

1 stop18h 15m

Ontario

Sa 6/13

8:36 pm-9:04 pm

2 stops23h 28m

$331

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Di 4/28

4:15 pm-8:36 pm

1 stop5h 21m

Ontario

Sa 5/2

1:40 pm-9:55 pm

1 stop7h 15m

$349

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Mi 6/17

11:44 am-6:22 pm

1 stop7h 38m

Ontario

Sa 6/20

11:59 pm-9:49 am

1 stop8h 50m

$361

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Mi 6/17

5:00 pm-11:59 pm

1 stop7h 59m

Ontario

Sa 6/20

6:10 am-12:11 pm

1 stop5h 01m

$380

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Fr 5/15

2:35 pm-10:59 pm

2 stops9h 24m

Ontario

Di 5/19

5:00 am-1:09 pm

1 stop7h 09m

$388

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Di 4/28

6:00 am-1:18 pm

1 stop8h 18m

Ontario

Sa 5/2

12:19 pm-9:58 pm

2 stops8h 39m

$419
Quickest round-trip

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Sa 5/2

4:13 pm-8:36 pm

1 stop5h 23m

Ontario

Di 5/5

1:40 pm-7:15 pm

1 stop4h 35m

$424

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Di 4/28

6:00 am-4:22 pm

2 stops11h 22m

Ontario

Sa 5/2

12:19 pm-9:58 pm

2 stops8h 39m

$425

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Mi 6/17

5:00 pm-10:38 pm

1 stop6h 38m

Ontario

Sa 6/20

6:10 am-4:30 pm

2 stops9h 20m

$426

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 typical price of a round-trip flight between Rapid City and 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 47m

Direct flights

None
The fastest flight from Rapid City to Ontario takes 4h 47m
There are no direct flights from Rapid City to Ontario. There are no popular flight routes from Rapid City to Ontario.
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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 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?

  • 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
9,603 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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