Allegiant AirDepart06:00
Fri, Nov 13DSM → RAP
5h 17m · 1 stop
$248one way, per person
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- Cheapest fare
- $248
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 5h 17m
Allegiant Air · Fri, Nov 13
from $248
Usually 1+ stop
830 km
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Cheapest month to fly from Des Moines to Rapid City
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Des Moines to Rapid City
Des Moines (DSM) and Rapid City (RAP) are about 830 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 17m. Over the next few months, one-way fares start from $248, 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 Des Moines to Rapid City?
The cheapest one-way fare we've seen recently is $248 with Allegiant Air, departing Friday, November 13, 2026.
What is the cheapest month to fly from Des Moines to Rapid City?
November 2026 currently has the lowest fares, from $248 one way.
Are there direct flights from Des Moines to Rapid City?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Des Moines to Rapid City?
The quickest journey we've seen takes about 5h 17m. Des Moines and Rapid City are around 830 km apart.
Which airlines fly from Des Moines to Rapid City?
Recent fares on this route were with Allegiant Air.
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