Cheap flights from Ontario to Rapid City

One-way fares from $428 · ONT → RAP · prices found by travellers in the last 48 hours

Cheapest fare
$428

American Airlines · Fri, Nov 13

Cheapest month
November

from $428

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 35m

1,670 km

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Cheapest month to fly from Ontario to Rapid City

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $428

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart12:42 Fri, Nov 13ONT → RAP 5h 35m · 1 stop
$435one way, per person
View deal
See every date in November 2026 →

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About flights from Ontario to Rapid City

Ontario (ONT) and Rapid City (RAP) are about 1,670 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 35m. Over the next few months, one-way fares start from $428, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Ontario to Rapid City?

The cheapest one-way fare we've seen recently is $428 with American Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Ontario to Rapid City?

November 2026 currently has the lowest fares, from $428 one way.

Are there direct flights from Ontario to Rapid City?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Ontario to Rapid City?

The quickest journey we've seen takes about 5h 35m. Ontario and Rapid City are around 1,670 km apart.

Which airlines fly from Ontario to Rapid City?

Recent fares on this route were with American Airlines.

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