Allegiant AirDepart14:56
Thu, Nov 12RAP → TWF
3h 59m · 1 stop
$251one way, per person
View deal
- Cheapest fare
- $251
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 59m
Allegiant Air · Thu, Nov 12
from $251
Usually 1+ stop
930 km
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Cheapest month to fly from Rapid City to Twin Falls
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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Where to stay, what to do and getting around, from our travel partners.
About flights from Rapid City to Twin Falls
Rapid City (RAP) and Twin Falls (TWF) are about 930 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 3h 59m. Over the next few months, one-way fares start from $251, 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 Rapid City to Twin Falls?
The cheapest one-way fare we've seen recently is $251 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Rapid City to Twin Falls?
November 2026 currently has the lowest fares, from $251 one way.
Are there direct flights from Rapid City to Twin Falls?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Rapid City to Twin Falls?
The quickest journey we've seen takes about 3h 59m. Rapid City and Twin Falls are around 930 km apart.
Which airlines fly from Rapid City to Twin Falls?
Recent fares on this route were with Allegiant Air.
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