$219+ Cheap flights from Ontario to Rapid City (ONT - RAP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to Rapid City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Rapid City
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Rapid City (RAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.
Round-trip from | $259 (United Airlines) |
|---|---|
One-way from | $219 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $381 |
Find flight deals from Ontario to Rapid City
Cheapest flights from Ontario to Rapid CityExplore the most affordable flight options available from Ontario to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Ontario to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
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
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Fri 7/25
5:05 am-12:46 pm
1 stop6h 41m
Rapid City
Mon 7/28
3:25 pm-8:54 pm
1 stop6h 29m
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Tue 8/12
8:14 am-4:08 pm
1 stop6h 54m
Rapid City
Tue 8/19
5:39 am-4:24 pm
2 stops11h 45m
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Fri 7/4
1:15 pm-10:31 pm
2 stops8h 16m
Rapid City
Fri 7/11
2:25 pm-11:42 pm
2 stops10h 17m
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Mon 7/7
5:05 am-11:36 am
1 stop5h 31m
Best time to book a flight from Ontario to Rapid City
Have a flexible travel schedule? Discover the best time to fly to Rapid City from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Rapid City
What is the cheapest month to book a flight from Ontario to Rapid City?
Currently, January is the cheapest month in which you can book a flight from Ontario to Rapid City (average of $348). Flying from Ontario to Rapid City in June is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ONT to RAP?
Find hourly flight availability from Ontario to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
A simple way to save on the total cost of your ticket is to fly from Ontario to Rapid City in the morning. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at noon.
Rainfall in Rapid City by month
Plan your trip to Rapid City by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.
Temperature in Rapid City by month
Plan your trip to Rapid City by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).
Reviews of airlines servicing Rapid City
Get insights into the airlines that provide service to Rapid City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Rapid City. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Ontario to Rapid City by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Sep 2023
SMF - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Sep 2023
SMF - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Sep 2023
SMF - ATL
Overall
Food
Boarding
Comfort
Entertainment
Crew
Reviews
Michael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Rapid City
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Ontario to Rapid City
Discover the top airline that operate flights from Ontario to Rapid City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$303 | Average$437 | FlexibilityNo cancel fee | On-time69% |