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Cheap flights from Ontario to Rapid City from $187

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Rapid City departing on 7/9. 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 Ontario to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:59 pm - 9:47 am
ONT
-
RAP
8h 48m
1 stop
American Airlines Logo
11:44 am - 6:18 pm
RAP
-
ONT
7h 34m
1 stop
$319American Airlines
Fri, Jul 17 - Wed, Jul 22
United Airlines Logo
5:00 am - 11:55 am
ONT
-
RAP
5h 55m
1 stop
United Airlines Logo
12:30 pm - 8:01 pm
RAP
-
ONT
8h 31m
2 stops
$324United Airlines
Wed, Aug 19 - Thu, Aug 27
Multiple Airlines Logo
11:52 am - 9:00 pm
ONT
-
RAP
8h 08m
1 stop
Multiple Airlines Logo
9:50 pm - 8:03 am
RAP
-
ONT
11h 13m
1 stop
$342Multiple Airlines
Thu, Jul 16 - Sun, Jul 19
American Airlines Logo
6:10 am - 12:11 pm
ONT
-
RAP
5h 01m
1 stop
American Airlines Logo
11:44 am - 6:21 pm
RAP
-
ONT
7h 37m
1 stop
$344American Airlines
Thu, Jun 25 - Tue, Jun 30
United Airlines Logo
5:00 am - 12:29 pm
ONT
-
RAP
6h 29m
1 stop
United Airlines Logo
5:00 am - 12:12 pm
RAP
-
ONT
8h 12m
2 stops
$350United Airlines
Sat, Jul 25 - Tue, Jul 28
American Airlines Logo
6:10 am - 12:11 pm
ONT
-
RAP
5h 01m
1 stop
American Airlines Logo
6:31 am - 11:49 am
RAP
-
ONT
6h 18m
1 stop
$369American Airlines
Thu, Jun 25 - Tue, Jun 30
United Airlines Logo
5:00 am - 12:29 pm
ONT
-
RAP
6h 29m
1 stop
United Airlines Logo
7:00 am - 12:47 pm
RAP
-
ONT
6h 47m
1 stop
$370United Airlines
Mon, Jul 6 - Sat, Jul 11
United Airlines Logo
1:18 pm - 8:24 pm
ONT
-
RAP
6h 06m
1 stop
United Airlines Logo
7:00 am - 12:47 pm
RAP
-
ONT
6h 47m
1 stop
$374United Airlines
Tue, Jul 7 - Sat, Jul 11
American Airlines Logo
11:59 pm - 9:47 am
ONT
-
RAP
8h 48m
1 stop
American Airlines Logo
10:18 am - 6:18 pm
RAP
-
ONT
9h 00m
2 stops
$405American Airlines
Fri, Jul 17 - Wed, Jul 22
American Airlines Logo
6:10 am - 12:11 pm
ONT
-
RAP
5h 01m
1 stop
American Airlines Logo
6:31 am - 11:49 am
RAP
-
ONT
6h 18m
1 stop
$414American Airlines
Thu, Jun 25 - Tue, Jun 30

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United Airlines flights from Ontario to Rapid City

Our best United Airlines deals on Ontario to Rapid City flight tickets
United Airlines
Aug 19
ONT5:00 amOntario
5h 55m
1 stop
RAP11:55 amRapid City
Aug 27
RAP12:30 pmRapid City
8h 31m
2 stops
ONT8:01 pmOntario
$324
United Airlines
Jul 25
ONT5:00 amOntario
6h 29m
1 stop
RAP12:29 pmRapid City
Jul 28
RAP5:00 amRapid City
8h 12m
2 stops
ONT12:12 pmOntario
$350
United Airlines
Jul 6
ONT5:00 amOntario
6h 29m
1 stop
RAP12:29 pmRapid City
Jul 11
RAP7:00 amRapid City
6h 47m
1 stop
ONT12:47 pmOntario
$370

American Airlines flights from Ontario to Rapid City

Our best American Airlines deals on Ontario to Rapid City flight tickets
American Airlines
Jul 17
ONT11:59 pmOntario
8h 48m
1 stop
RAP9:47 amRapid City
Jul 22
RAP11:44 amRapid City
7h 34m
1 stop
ONT6:18 pmOntario
$319
American Airlines
Jun 25
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
Jun 30
RAP11:44 amRapid City
7h 37m
1 stop
ONT6:21 pmOntario
$344
American Airlines
Jun 25
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
Jun 30
RAP11:44 amRapid City
7h 37m
1 stop
ONT6:21 pmOntario
$369

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Rapid City 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 13, 2026.
Use the filters below to find and compare flights from Ontario to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Fri 7/17

11:59 pm-9:47 am

1 stop8h 48m

Rapid City

Wed 7/22

11:44 am-6:18 pm

1 stop7h 34m

$319

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 8/19

5:00 am-11:55 am

1 stop5h 55m

Rapid City

Thu 8/27

12:30 pm-8:01 pm

2 stops8h 31m

$324

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 7/16

11:52 am-9:00 pm

1 stop8h 08m

Rapid City

Sun 7/19

9:50 pm-8:03 am

1 stop11h 13m

$342

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 6/25

6:10 am-12:11 pm

1 stop5h 01m

Rapid City

Tue 6/30

11:44 am-6:21 pm

1 stop7h 37m

$344

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sat 7/25

5:00 am-12:29 pm

1 stop6h 29m

Rapid City

Tue 7/28

5:00 am-12:12 pm

2 stops8h 12m

$350
Quickest round-trip

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 6/25

6:10 am-12:11 pm

1 stop5h 01m

Rapid City

Tue 6/30

6:31 am-11:49 am

1 stop6h 18m

$369

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Mon 7/6

5:00 am-12:29 pm

1 stop6h 29m

Rapid City

Sat 7/11

7:00 am-12:47 pm

1 stop6h 47m

$370

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Tue 7/7

1:18 pm-8:24 pm

1 stop6h 06m

Rapid City

Sat 7/11

7:00 am-12:47 pm

1 stop6h 47m

$374

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Fri 7/17

11:59 pm-9:47 am

1 stop8h 48m

Rapid City

Wed 7/22

10:18 am-6:18 pm

2 stops9h 00m

$405

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 6/25

6:10 am-12:11 pm

1 stop5h 01m

Rapid City

Tue 6/30

6:31 am-11:49 am

1 stop6h 18m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rapid City from

How to get the cheapest flight ticket from Ontario to Rapid City

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 Ontario and Rapid City?

What is the cheapest month to fly to Rapid City?

The month of October is, on average, the cheapest month to fly to Rapid City from Ontario, with most prices found around $352. If you aren’t able to travel to Rapid City during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $397.

When to book flights from Ontario to Rapid City

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

Cheap Ontario to Rapid City (ONT to RAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Rapid City

Fastest flight time

5h 13m

Direct flights

None
The fastest flight from Ontario to Rapid City takes 5h 13m
There are no direct flights from Ontario to Rapid City. There are no popular flight routes from Ontario to Rapid City.
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Frequently asked questions about flying from Ontario to Rapid City

  • How far is Ontario to Rapid City by plane?

    Ontario and Rapid City are 1034.4 mi apart from one another. Flights usually cover this in 5h 13m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Rapid City Airport?

    Prices for flights from Ontario Airport to Rapid City Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Rapid City Airport?

  • How old do you have to be to fly from Ontario Airport to Rapid City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The necessary travel and health documents for your Rapid City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Rapid City?

Best airlines flying from Ontario to Rapid City

Compare and see reviews for airlines that fly from Ontario to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $258Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,815 reviews
Search United Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Custer
Spearfish
Hill City
Wall
Hot Springs

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Rapid City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Rapid City. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Rapid City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Rapid City flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Rapid City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Rapid City.

I’m not ready to book a flight from Ontario to Rapid City right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Rapid City now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rapid City and let you know when they change.

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