$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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RAP
May 6 — May 131
1 adult, Economy
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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 May 1, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $339 (United Airlines) |
One-way from | $219 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $448 |
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 May 1, 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 May 1, 2025.
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/214:15 pmONT - RAP
1 stop5h 01mUnited Airlines
Sat 5/317:00 amRAP - ONT
1 stop6h 31mUnited Airlines
Deal found 4/30![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 7/1110:53 amONT - RAP
1 stop9h 13mAmerican Airlines
Sun 7/135:36 amRAP - ONT
1 stop7h 20mAmerican Airlines
Deal found 4/30![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 5/301:10 pmONT - RAP
2 stops8h 24mDelta
Tue 6/34:25 pmRAP - ONT
2 stops8h 17mDelta
Deal found 4/29![Delta logo]()
$627
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 May 1, 2025.
Use the filters below to find and compare flights from Ontario to Rapid City that are best for you.
Fly from
Ontario
Fly to
Rapid City
Route
Depart
Return
Price
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Wed 5/21
4:15 pm-10:16 pm
1 stop5h 01m
Rapid City
Thu 5/29
11:19 am-5:25 pm
1 stop7h 06m
$339
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Fri 7/11
10:53 am-9:06 pm
1 stop9h 13m
Rapid City
Sun 7/13
5:36 am-11:56 am
1 stop7h 20m
$448
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Fri 5/30
1:10 pm-10:34 pm
2 stops8h 24m
Rapid City
Tue 6/3
4:25 pm-11:42 pm
2 stops8h 17m
$627
OntarioRapid City
ONT - RAP
ONTRAP
Ontario
Sun 5/25
1:33 pm-10:00 pm
1 stop7h 27m
$219
Compare providers for flights from Ontario to Rapid City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Rapid City in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Rapid City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Rapid City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Rapid City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Rapid City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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 $520). 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 May 1, 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 May 1, 2025.
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Food
7.3
Comfort
7.9
Crew
8.5
Entertainment
7.9
Overall
8.0
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentMichael,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.
Traveling to a place near Ontario?
Book flights to Ontario if you plan to visit one of these locationsDeadwood
Spearfish
Keystone
Sturgis
Wall
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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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$317 | Average$463 | FlexibilityNo cancel fee | On-time69% |