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RAP - ONT

$360 Find Cheap Flights from Rapid City to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$377
Typical prices: $378-$499
United Airlines
Sun 11/11Thu 11/15
RAP - ONT • 1 stop
Cheapest one-way
$360
Typical prices: $313-$393
United Airlines
Fri 11/23
RAP - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Rapid City and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 46% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $426 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 4h 43m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Rapid City to Ontario (RAP-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Rapid City to Ontario

Wed, Nov 11 - Sun, Nov 15
United Airlines Logo
4:00 pm - 8:51 pmRAP  Rapid City-ONT Ontario
5h 51m1 stop Denver Intl
United Airlines Logo
5:00 am - 11:58 amONT  Ontario-RAP Rapid City
5h 58m1 stop Denver Intl
$377United Airlines
Wed, Nov 11 - Sun, Nov 15
United Airlines Logo
5:00 am - 12:29 pmRAP  Rapid City-ONT Ontario
8h 29m2 stops Denver Intl San Francisco
United Airlines Logo
5:00 am - 11:58 amONT  Ontario-RAP Rapid City
5h 58m1 stop Denver Intl
$417United Airlines
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
4:41 pm - 8:58 pmRAP  Rapid City-ONT Ontario
5h 17m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:26 pmONT  Ontario-RAP Rapid City
6h 26m1 stop Denver Intl
$444United Airlines
Fri, Oct 16 - Thu, Oct 22
United Airlines Logo
3:22 pm - 8:58 pmRAP  Rapid City-ONT Ontario
6h 36m1 stop Denver Intl
United Airlines Logo
1:24 pm - 8:52 pmONT  Ontario-RAP Rapid City
6h 28m1 stop Denver Intl
$458United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
4:31 pm - 9:11 pmRAP  Rapid City-ONT Ontario
5h 40m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:03 pmONT  Ontario-RAP Rapid City
7h 03m1 stop Denver Intl
$459United Airlines
Thu, Feb 18 - Sat, Feb 20
United Airlines Logo
2:40 pm - 8:20 pmRAP  Rapid City-ONT Ontario
6h 40m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:30 pmONT  Ontario-RAP Rapid City
6h 30m1 stop Denver Intl
$459United Airlines
Wed, Mar 3 - Sun, Mar 7
United Airlines Logo
4:40 pm - 8:20 pmRAP  Rapid City-ONT Ontario
4h 40m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:30 pmONT  Ontario-RAP Rapid City
6h 30m1 stop Denver Intl
$459United Airlines
Mon, Mar 1 - Sun, Mar 7
United Airlines Logo
2:40 pm - 8:20 pmRAP  Rapid City-ONT Ontario
6h 40m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:30 pmONT  Ontario-RAP Rapid City
6h 30m1 stop Denver Intl
$459United Airlines
Thu, Mar 4 - Tue, Mar 9
American Airlines Logo
12:59 pm - 9:28 pmRAP  Rapid City-ONT Ontario
9h 29m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 1:34 pmONT  Ontario-RAP Rapid City
6h 34m1 stop Dallas/Fort Worth
$521American Airlines
Tue, Mar 2 - Tue, Mar 9
American Airlines Logo
12:59 pm - 10:08 pmRAP  Rapid City-ONT Ontario
10h 09m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 1:34 pmONT  Ontario-RAP Rapid City
6h 34m1 stop Dallas/Fort Worth
$545American Airlines
Booking Insights

Price, demand and travel trends for Rapid City to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Rapid City to Ontario?

Round-trip flights from Rapid City to Ontario typically range from $378 to $499. The lowest price found in the past 5 days was $377, on United Airlines.

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Key details for Rapid City to Ontario flights

Low season

April

Cheapest flight

$360
Beat the crowds with an average 31% drop in travelers.
One-way flight from Rapid City to Ontario

When to book flights from Rapid City to Ontario

Are your dates flexible? Find out the best times to travel from Rapid City to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Rapid City to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Rapid City to Ontario?

    Two cabin classes are available on flights from Rapid City to Ontario:

    • Economy Class
    • First Class

  • How long is a flight from Rapid City to Ontario?

    A nonstop flight from Rapid City to Ontario takes 00m, covering 1,038 miles.

  • Do I need a passport to fly from Rapid City to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Rapid City to Ontario flight?

    Round-trip flights from Rapid City to Ontario range from $378 to $499, with an average of $434 over the past 12 months. Anything below $378 counts as a good deal.

  • Have flight prices from Rapid City to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $377 to $1,264. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Rapid City to Ontario looking right now?

    One-way fares from Rapid City to Ontario are currently in line with typical prices for this route. Average one-way fares are about $364.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Rapid City to Ontario?

    Flights from Rapid City to Ontario usually depart from Rapid City (RAP) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Rapid City to Ontario pass through?

    One-stop flights from Rapid City to Ontario most commonly connect through:

    • Denver Intl (DEN) - 95% of one-stop connections
    • Dallas/Fort Worth (DFW) - 3% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Rapid City to Ontario?

    Yes. Flexible dates can save you up to 42% on flights from Rapid City to Ontario. Wednesday is the cheapest departure day at $293 round-trip on average, while Thursday is the most expensive at $503, a difference of $210.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Rapid City to Ontario?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 43m, compared with 5h 45m via Denver Intl (DEN) and 7h 27m via Dallas/Fort Worth (DFW).

  • What is the time difference between Rapid City and Ontario?

    Ontario is 1 hour behind Rapid City (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Rapid City to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $293, about $210 less than Thursday fares (42% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Rapid City to Ontario trip for August. Fares historically average $236 round-trip in that month - typically $407 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport
    • Ontario Airport Inn

More options for your flight from Rapid City to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario