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Cheap flights from Ontario to Rapid City from $256

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 4/14. 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
0 bags

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Find the cheapest flights from Ontario to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 1:09 pm
ONT
-
RAP
7h 09m
1 stop
United Airlines Logo
2:35 pm - 10:59 pm
RAP
-
ONT
9h 24m
2 stops
$284United Airlines
Wed, May 6 - Sat, May 9
American Airlines Logo
2:08 pm - 9:58 pm
ONT
-
RAP
6h 50m
1 stop
American Airlines Logo
4:57 pm - 10:36 pm
RAP
-
ONT
6h 39m
1 stop
$363American Airlines
Wed, May 6 - Sat, May 9
United Airlines Logo
6:00 am - 3:55 pm
ONT
-
RAP
8h 55m
2 stops
United Airlines Logo
2:35 pm - 10:59 pm
RAP
-
ONT
9h 24m
2 stops
$373United Airlines
Wed, May 6 - Sat, May 9
United Airlines Logo
5:00 am - 1:09 pm
ONT
-
RAP
7h 09m
1 stop
United Airlines Logo
4:13 pm - 8:36 pm
RAP
-
ONT
5h 23m
1 stop
$379United Airlines
Fri, May 1 - Fri, May 8
United Airlines Logo
5:10 am - 1:08 pm
ONT
-
RAP
6h 58m
1 stop
United Airlines Logo
2:35 pm - 10:59 pm
RAP
-
ONT
9h 24m
2 stops
$384United Airlines
Fri, Apr 24 - Sat, May 9
United Airlines Logo
1:34 pm - 8:44 pm
ONT
-
RAP
6h 10m
1 stop
United Airlines Logo
7:00 am - 12:36 pm
RAP
-
ONT
6h 36m
1 stop
$391United Airlines
Thu, Apr 23 - Wed, Apr 29
United Airlines Logo
1:34 pm - 8:44 pm
ONT
-
RAP
6h 10m
1 stop
United Airlines Logo
4:15 pm - 8:36 pm
RAP
-
ONT
5h 21m
1 stop
$394United Airlines
Thu, Apr 23 - Tue, Apr 28
United Airlines Logo
1:34 pm - 8:44 pm
ONT
-
RAP
6h 10m
1 stop
United Airlines Logo
2:47 pm - 10:45 pm
RAP
-
ONT
8h 58m
2 stops
$396United Airlines
Thu, Apr 23 - Wed, Apr 29
United Airlines Logo
1:34 pm - 8:44 pm
ONT
-
RAP
6h 10m
1 stop
United Airlines Logo
7:00 am - 6:02 pm
RAP
-
ONT
12h 02m
2 stops
$399United Airlines
Thu, Apr 23 - Tue, Apr 28
United Airlines Logo
5:15 am - 11:05 am
ONT
-
RAP
4h 50m
1 stop
United Airlines Logo
2:45 pm - 8:50 pm
RAP
-
ONT
7h 05m
1 stop
$409United Airlines
Thu, Mar 19 - Mon, Mar 23

United Airlines flights from Ontario to Rapid City

Our best United Airlines deals on Ontario to Rapid City flight tickets
United Airlines
May 6
ONT5:00 amOntario
7h 09m
1 stop
RAP1:09 pmRapid City
May 9
RAP2:35 pmRapid City
9h 24m
2 stops
ONT10:59 pmOntario
$284
United Airlines
May 6
ONT6:00 amOntario
8h 55m
2 stops
RAP3:55 pmRapid City
May 9
RAP2:35 pmRapid City
9h 24m
2 stops
ONT10:59 pmOntario
$373
United Airlines
May 1
ONT5:00 amOntario
7h 09m
1 stop
RAP1:09 pmRapid City
May 8
RAP4:13 pmRapid City
5h 23m
1 stop
ONT8:36 pmOntario
$379

American Airlines flights from Ontario to Rapid City

Our best American Airlines deals on Ontario to Rapid City flight tickets
American Airlines
May 6
ONT2:08 pmOntario
6h 50m
1 stop
RAP9:58 pmRapid City
May 9
RAP4:57 pmRapid City
6h 39m
1 stop
ONT10:36 pmOntario
$363
American Airlines
Mar 13
ONT2:39 pmOntario
6h 57m
1 stop
RAP10:36 pmRapid City
Mar 20
RAP2:21 pmRapid City
9h 09m
1 stop
ONT10:30 pmOntario
$735
American Airlines
Mar 13
ONT12:22 pmOntario
9h 14m
2 stops
RAP10:36 pmRapid City
Mar 20
RAP2:21 pmRapid City
9h 09m
1 stop
ONT10:30 pmOntario
$801

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 March 6, 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

Wed 5/6

5:00 am-1:09 pm

1 stop7h 09m

Rapid City

Sat 5/9

2:35 pm-10:59 pm

2 stops9h 24m

$284

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 5/6

2:08 pm-9:58 pm

1 stop6h 50m

Rapid City

Sat 5/9

4:57 pm-10:36 pm

1 stop6h 39m

$363

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 5/6

6:00 am-3:55 pm

2 stops8h 55m

Rapid City

Sat 5/9

2:35 pm-10:59 pm

2 stops9h 24m

$373

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Fri 5/1

5:00 am-1:09 pm

1 stop7h 09m

Rapid City

Fri 5/8

4:13 pm-8:36 pm

1 stop5h 23m

$379

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Fri 4/24

5:10 am-1:08 pm

1 stop6h 58m

Rapid City

Sat 5/9

2:35 pm-10:59 pm

2 stops9h 24m

$384

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 4/23

1:34 pm-8:44 pm

1 stop6h 10m

Rapid City

Wed 4/29

7:00 am-12:36 pm

1 stop6h 36m

$391
Quickest round-trip

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 4/23

1:34 pm-8:44 pm

1 stop6h 10m

Rapid City

Tue 4/28

4:15 pm-8:36 pm

1 stop5h 21m

$394

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 4/23

1:34 pm-8:44 pm

1 stop6h 10m

Rapid City

Wed 4/29

2:47 pm-10:45 pm

2 stops8h 58m

$396

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 4/23

1:34 pm-8:44 pm

1 stop6h 10m

Rapid City

Tue 4/28

7:00 am-6:02 pm

2 stops12h 02m

$399

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 3/19

5:15 am-11:05 am

1 stop4h 50m

Rapid City

Mon 3/23

2:45 pm-8:50 pm

1 stop7h 05m

$409

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 $343. If you aren’t able to travel to Rapid City during the month of October, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $393.

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

4h 50m

Direct flights

None
The fastest flight from Ontario to Rapid City takes 4h 50m
There are no direct flights from Ontario to Rapid City. There are no popular flight routes from Ontario to Rapid City.
Search flight deals

  • 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 4h 50m, 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
11,392 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,403 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
Spearfish
Custer
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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