Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Rapid City from $137

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 6/24. 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

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
4:39 pm - 1:44 pm
ONT
-
RAP
20h 05m
1 stop
Multiple Airlines Logo
2:34 pm - 3:09 pm
RAP
-
ONT
25h 35m
1 stop
$241Multiple Airlines
Wed, May 27 - Sun, May 31
Multiple Airlines Logo
4:39 pm - 2:42 pm
ONT
-
RAP
21h 03m
2 stops
Multiple Airlines Logo
2:34 pm - 3:09 pm
RAP
-
ONT
25h 35m
1 stop
$267Multiple Airlines
Tue, May 26 - Sun, May 31
Multiple Airlines Logo
4:39 pm - 5:07 pm
ONT
-
RAP
23h 28m
1 stop
Multiple Airlines Logo
5:57 pm - 7:49 am
RAP
-
ONT
14h 52m
1 stop
$269Multiple Airlines
Wed, May 6 - Sun, May 10
Multiple Airlines Logo
4:39 pm - 1:44 pm
ONT
-
RAP
20h 05m
1 stop
Multiple Airlines Logo
3:31 pm - 3:09 pm
RAP
-
ONT
24h 38m
2 stops
$289Multiple Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
3:30 pm - 9:14 am
ONT
-
RAP
16h 44m
2 stops
Multiple Airlines Logo
2:34 pm - 3:09 pm
RAP
-
ONT
25h 35m
1 stop
$293Multiple Airlines
Thu, May 28 - Sun, May 31
Multiple Airlines Logo
11:43 am - 9:00 pm
ONT
-
RAP
8h 17m
1 stop
Multiple Airlines Logo
9:50 pm - 3:07 pm
RAP
-
ONT
18h 17m
1 stop
$299Multiple Airlines
Sun, Jul 5 - Thu, Jul 9
Multiple Airlines Logo
4:39 pm - 1:44 pm
ONT
-
RAP
20h 05m
1 stop
Multiple Airlines Logo
9:54 pm - 3:09 pm
RAP
-
ONT
18h 15m
1 stop
$315Multiple Airlines
Wed, May 27 - Thu, Jun 4
Multiple Airlines Logo
4:39 pm - 1:44 pm
ONT
-
RAP
20h 05m
1 stop
Multiple Airlines Logo
9:50 pm - 7:32 pm
RAP
-
ONT
46h 42m
2 stops
$317Multiple Airlines
Wed, May 27 - Fri, Jun 5
United Airlines Logo
5:00 am - 12:29 pm
ONT
-
RAP
6h 29m
1 stop
United Airlines Logo
4:40 pm - 8:42 pm
RAP
-
ONT
5h 02m
1 stop
$319United Airlines
Thu, May 28 - Sat, May 30
Multiple Airlines Logo
11:43 am - 9:00 pm
ONT
-
RAP
8h 17m
1 stop
Multiple Airlines Logo
9:50 pm - 7:53 pm
RAP
-
ONT
23h 03m
1 stop
$320Multiple Airlines
Sun, Jul 5 - Thu, Jul 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Ontario to Rapid City

Our best American Airlines deals on Ontario to Rapid City flight tickets
American Airlines
Jun 9
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
Jun 13
RAP5:00 pmRapid City
7h 59m
1 stop
ONT11:59 pmOntario
$380
American Airlines
Jun 28
ONT6:10 amOntario
5h 01m
1 stop
RAP12:11 pmRapid City
Jul 3
RAP11:44 amRapid City
7h 35m
1 stop
ONT6:19 pmOntario
$381
American Airlines
Jul 8
ONT11:59 pmOntario
8h 48m
1 stop
RAP9:47 amRapid City
Jul 15
RAP12:41 pmRapid City
10h 03m
2 stops
ONT9:44 pmOntario
$385

United Airlines flights from Ontario to Rapid City

Our best United Airlines deals on Ontario to Rapid City flight tickets
United Airlines
May 28
ONT5:00 amOntario
6h 29m
1 stop
RAP12:29 pmRapid City
May 30
RAP4:40 pmRapid City
5h 02m
1 stop
ONT8:42 pmOntario
$319
United Airlines
Aug 19
ONT1:18 pmOntario
6h 14m
1 stop
RAP8:32 pmRapid City
Aug 22
RAP11:08 amRapid City
9h 56m
2 stops
ONT8:04 pmOntario
$324
United Airlines
May 8
ONT1:40 pmOntario
7h 15m
1 stop
RAP9:55 pmRapid City
May 12
RAP8:25 amRapid City
5h 13m
1 stop
ONT12:38 pmOntario
$349

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 April 25, 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 5/27

4:39 pm-1:44 pm

1 stop20h 05m

Rapid City

Sun 5/31

2:34 pm-3:09 pm

1 stop25h 35m

$241

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Tue 5/26

4:39 pm-2:42 pm

2 stops21h 03m

Rapid City

Sun 5/31

2:34 pm-3:09 pm

1 stop25h 35m

$267

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 5/6

4:39 pm-5:07 pm

1 stop23h 28m

Rapid City

Sun 5/10

5:57 pm-7:49 am

1 stop14h 52m

$269

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 5/27

4:39 pm-1:44 pm

1 stop20h 05m

Rapid City

Wed 6/3

3:31 pm-3:09 pm

2 stops24h 38m

$289

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 5/28

3:30 pm-9:14 am

2 stops16h 44m

Rapid City

Sun 5/31

2:34 pm-3:09 pm

1 stop25h 35m

$293

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sun 7/5

11:43 am-9:00 pm

1 stop8h 17m

Rapid City

Thu 7/9

9:50 pm-3:07 pm

1 stop18h 17m

$299

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 5/27

4:39 pm-1:44 pm

1 stop20h 05m

Rapid City

Thu 6/4

9:54 pm-3:09 pm

1 stop18h 15m

$315

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Wed 5/27

4:39 pm-1:44 pm

1 stop20h 05m

Rapid City

Fri 6/5

9:50 pm-7:32 pm

2 stops46h 42m

$317
Quickest round-trip

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Thu 5/28

5:00 am-12:29 pm

1 stop6h 29m

Rapid City

Sat 5/30

4:40 pm-8:42 pm

1 stop5h 02m

$319

OntarioRapid City

ONT - RAP

ONTRAP

Ontario

Sun 7/5

11:43 am-9:00 pm

1 stop8h 17m

Rapid City

Thu 7/16

9:50 pm-7:53 pm

1 stop23h 03m

$320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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

4h 55m

Direct flights

None
The fastest flight from Ontario to Rapid City takes 4h 55m
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 4h 55m, 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
11,672 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,650 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.

An easier way to manage your Rapid City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 5/25
Mon 6/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States