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Cheap flights from Ontario to Rapid City from $151

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 8/19. 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.
Multiple Airlines Logo
2:30 pm - 1:45 pm
ONT
-
RAP
22h 15m
1 stop
Multiple Airlines Logo
3:50 pm - 7:04 am
RAP
-
ONT
16h 14m
1 stop
$271Multiple Airlines
Wed, Sep 30 - Sun, Oct 4
Multiple Airlines Logo
2:30 pm - 1:45 pm
ONT
-
RAP
22h 15m
1 stop
Multiple Airlines Logo
3:50 pm - 7:36 pm
RAP
-
ONT
28h 46m
2 stops
$281Multiple Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
6:15 am - 12:08 pm
ONT
-
RAP
4h 53m
1 stop
American Airlines Logo
11:45 am - 6:15 pm
RAP
-
ONT
7h 30m
1 stop
$329American Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
1:18 pm - 8:37 pm
ONT
-
RAP
6h 19m
1 stop
United Airlines Logo
7:00 am - 3:41 pm
RAP
-
ONT
9h 41m
2 stops
$334United Airlines
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
5:00 am - 11:55 am
ONT
-
RAP
5h 55m
1 stop
United Airlines Logo
5:00 am - 12:12 pm
RAP
-
ONT
8h 12m
2 stops
$334United Airlines
Fri, Aug 21 - Sun, Aug 23
United Airlines Logo
5:00 am - 11:55 am
ONT
-
RAP
5h 55m
1 stop
United Airlines Logo
10:26 am - 8:31 pm
RAP
-
ONT
11h 05m
2 stops
$334United Airlines
Sat, Oct 3 - Tue, Oct 6
Multiple Airlines Logo
5:08 pm - 9:16 pm
ONT
-
RAP
27h 08m
1 stop
Multiple Airlines Logo
10:06 pm - 8:03 am
RAP
-
ONT
10h 57m
1 stop
$360Multiple Airlines
Wed, Aug 12 - Sun, Aug 16
Multiple Airlines Logo
2:30 pm - 1:45 pm
ONT
-
RAP
22h 15m
1 stop
Multiple Airlines Logo
3:50 pm - 5:48 pm
RAP
-
ONT
26h 58m
2 stops
$361Multiple Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
6:15 am - 12:06 pm
ONT
-
RAP
4h 51m
1 stop
American Airlines Logo
6:00 am - 11:53 am
RAP
-
ONT
6h 53m
1 stop
$390American Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
6:15 am - 12:06 pm
ONT
-
RAP
4h 51m
1 stop
American Airlines Logo
4:25 pm - 10:43 pm
RAP
-
ONT
7h 18m
1 stop
$440American Airlines
Fri, Sep 11 - Sun, Sep 13

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American Airlines flights from Ontario to Rapid City

Our best American Airlines deals on Ontario to Rapid City flight tickets
American Airlines
Aug 22
ONT6:15 amOntario
4h 53m
1 stop
RAP12:08 pmRapid City
Aug 29
RAP11:45 amRapid City
7h 30m
1 stop
ONT6:15 pmOntario
$329
American Airlines
Oct 3
ONT6:15 amOntario
4h 51m
1 stop
RAP12:06 pmRapid City
Oct 6
RAP6:00 amRapid City
6h 53m
1 stop
ONT11:53 amOntario
$390
American Airlines
Sep 11
ONT6:15 amOntario
4h 51m
1 stop
RAP12:06 pmRapid City
Sep 13
RAP4:25 pmRapid City
7h 18m
1 stop
ONT10:43 pmOntario
$440

United Airlines flights from Ontario to Rapid City

Our best United Airlines deals on Ontario to Rapid City flight tickets
United Airlines
Aug 21
ONT5:00 amOntario
5h 55m
1 stop
RAP11:55 amRapid City
Aug 23
RAP5:00 amRapid City
8h 12m
2 stops
ONT12:12 pmOntario
$334
United Airlines
Aug 22
ONT11:00 amOntario
10h 28m
2 stops
RAP10:28 pmRapid City
Aug 29
RAP7:00 amRapid City
9h 41m
2 stops
ONT3:41 pmOntario
$339
United Airlines
Sep 19
ONT5:00 amOntario
5h 55m
1 stop
RAP11:55 amRapid City
Sep 24
RAP7:05 amRapid City
6h 41m
1 stop
ONT12:46 pmOntario
$375

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 July 30, 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 9/30

2:30 pm-1:45 pm

1 stop22h 15m

Rapid City

Sun 10/4

3:50 pm-7:04 am

1 stop16h 14m

$271

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 9/30

2:30 pm-1:45 pm

1 stop22h 15m

Rapid City

Sun 10/4

3:50 pm-7:36 pm

2 stops28h 46m

$281

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sat 8/22

6:15 am-12:08 pm

1 stop4h 53m

Rapid City

Sat 8/29

11:45 am-6:15 pm

1 stop7h 30m

$329

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sat 8/22

1:18 pm-8:37 pm

1 stop6h 19m

Rapid City

Sat 8/29

7:00 am-3:41 pm

2 stops9h 41m

$334

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Fri 8/21

5:00 am-11:55 am

1 stop5h 55m

Rapid City

Sun 8/23

5:00 am-12:12 pm

2 stops8h 12m

$334

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sat 10/3

5:00 am-11:55 am

1 stop5h 55m

Rapid City

Tue 10/6

10:26 am-8:31 pm

2 stops11h 05m

$334

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 8/12

5:08 pm-9:16 pm

1 stop27h 08m

Rapid City

Sun 8/16

10:06 pm-8:03 am

1 stop10h 57m

$360

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 9/30

2:30 pm-1:45 pm

1 stop22h 15m

Rapid City

Sun 10/4

3:50 pm-5:48 pm

2 stops26h 58m

$361
Quickest round-trip

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sat 10/3

6:15 am-12:06 pm

1 stop4h 51m

Rapid City

Tue 10/6

6:00 am-11:53 am

1 stop6h 53m

$390

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Fri 9/11

6:15 am-12:06 pm

1 stop4h 51m

Rapid City

Sun 9/13

4:25 pm-10:43 pm

1 stop7h 18m

$440

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?

Prices are currently low for flights on this route.

Typical prices usually range from $299 to $414.
The lowest price recently found on this route was $271.

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 $360. If you aren’t able to travel to Rapid City during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $379.

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 30m

Direct flights

None
The fastest flight from Ontario to Rapid City takes 5h 30m
There are no direct flights from Ontario to Rapid City. There are no popular flight routes from Ontario to Rapid City.
Search flight deals

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 30m, 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
United AirlinesPriceFrom $258Free CancellationRating
7.4
10,047 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,847 reviews
Search American Airlines flights

Traveling to a place near Rapid City?

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

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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