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Cheap flights to Spearfish

Compare Spearfish flights across hundreds of providers

Find the cheapest month or even day of the year to fly to Spearfish

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Flight deals to Spearfish

Looking for a cheap last-minute deal or the best roundtrip flight to Spearfish? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
Rapid City.$110 per passenger.Departing Thu, May 21, returning Sun, Jun 7.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Thu, May 21, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Sun, Jun 7, arriving in Harry Reid.Price includes taxes and charges.From $110, select.
Rapid City.$110 per passenger.Departing Thu, Apr 30, returning Sun, May 3.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Thu, Apr 30, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Sun, May 3, arriving in Harry Reid.Price includes taxes and charges.From $110, select.
Rapid City.$118 per passenger.Departing Thu, Jun 4, returning Sun, Jun 7.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Thu, Jun 4, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Sun, Jun 7, arriving in Harry Reid.Price includes taxes and charges.From $118, select.
Rapid City.$124 per passenger.Departing Thu, Apr 9, returning Sun, Apr 19.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Thu, Apr 9, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Sun, Apr 19, arriving in Harry Reid.Price includes taxes and charges.From $124, select.
Rapid City.$142 per passenger.Departing Sat, Mar 28, returning Sat, Apr 4.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Sat, Mar 28, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Sat, Apr 4, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $142, select.
Rapid City.$153 per passenger.Departing Thu, May 21, returning Thu, May 28.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Thu, May 21, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Thu, May 28, arriving in Harry Reid.Price includes taxes and charges.From $153, select.
Rapid City.$161 per passenger.Departing Thu, Aug 20, returning Sun, Aug 23.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Thu, Aug 20, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Sun, Aug 23, arriving in Harry Reid.Price includes taxes and charges.From $161, select.
Rapid City.$207 per passenger.Departing Fri, Oct 2, returning Mon, Oct 5.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Fri, Oct 2, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Mon, Oct 5, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $207, select.
Rapid City.$210 per passenger.Departing Wed, Jul 15, returning Wed, Jul 22.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Orlando Sanford on Wed, Jul 15, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Wed, Jul 22, arriving in Orlando Sanford.Price includes taxes and charges.From $210, select.
Rapid City.$224 per passenger.Departing Thu, Mar 26, returning Sun, Mar 29.Round-trip flight with United.Outbound direct flight with United departing from Denver International on Thu, Mar 26, arriving in Rapid City Regional.Inbound direct flight with United departing from Rapid City Regional on Sun, Mar 29, arriving in Denver International.Price includes taxes and charges.From $224, select.
Rapid City.$246 per passenger.Departing Sun, Jun 28, returning Sat, Jul 4.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Sun, Jun 28, arriving in Rapid City Regional.Inbound direct flight with United departing from Rapid City Regional on Sat, Jul 4, arriving in Chicago O'Hare International.Price includes taxes and charges.From $246, select.
Rapid City.$246 per passenger.Departing Sun, Sep 27, returning Thu, Oct 1.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Harry Reid on Sun, Sep 27, arriving in Rapid City Regional.Inbound direct flight with Allegiant Air departing from Rapid City Regional on Thu, Oct 1, arriving in Harry Reid.Price includes taxes and charges.From $246, select.
Rapid City.$300 per passenger.Departing Tue, Aug 25, returning Tue, Sep 22.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Jose International on Tue, Aug 25, arriving in Rapid City Regional.Inbound indirect flight with Delta, departing from Rapid City Regional on Tue, Sep 22, arriving in San Jose International.Price includes taxes and charges.From $300, select.
Rapid City.$326 per passenger.Departing Mon, Nov 16, returning Mon, Nov 23.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from San Diego International on Mon, Nov 16, arriving in Rapid City Regional.Inbound indirect flight with Delta, departing from Rapid City Regional on Mon, Nov 23, arriving in San Diego International.Price includes taxes and charges.From $326, select.
Rapid City.$330 per passenger.Departing Mon, Jul 27, returning Mon, Aug 3.Round-trip flight with United.Outbound indirect flight with United, departing from Detroit Wayne County on Mon, Jul 27, arriving in Rapid City Regional.Inbound indirect flight with United, departing from Rapid City Regional on Mon, Aug 3, arriving in Detroit Wayne County.Price includes taxes and charges.From $330, select.
Rapid City.$340 per passenger.Departing Tue, Sep 15, returning Tue, Sep 22.Round-trip flight with Delta.Outbound direct flight with Delta departing from Minneapolis St Paul on Tue, Sep 15, arriving in Rapid City Regional.Inbound direct flight with Delta departing from Rapid City Regional on Tue, Sep 22, arriving in Minneapolis St Paul.Price includes taxes and charges.From $340, select.

Flying to Spearfish

The things to know before you go.
Fly intoRapid City Regional Airport
Distance to Spearfish50.5 miles
Average flight time2 hrs, 34 mins
Most popular airlineUnited
Cheapest flight found$110
Cheapest month to flyApril

Find the cheapest time to fly to Spearfish

Flexible on travel dates? Find the cheapest month – or even day – to catch a flight to Spearfish.
Mar
from $224
Apr
from $124
May
from $153
Jun
from $118
Jul
from $210
Aug
from $161
Sep
from $340
Oct
from $207
Nov
from $326
Dec
Find prices
Jan
Find prices
Feb
Find prices

Frequently asked questions

United, American Airlines, Envoy Air, SkyWest Airlines, Aeromexico, Delta, Qatar Airways, and Allegiant Air all offer direct flights to Rapid City Regional Airport.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Spearfish but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
Yes – you can fly direct to Rapid City Regional Airport and the average flight time is 2 hours and 33 minutes.
The best price we found for a roundtrip flight to Spearfish is $110. This is an estimate based on information collected from different airlines and travel providers flying to Rapid City Regional Airport over the last four (4) days and is subject to change and availability.
The cheapest airport near Spearfish is Rapid City Regional – which is 50.5 miles away from the center of Spearfish. We've found flights to this airport from $110.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Rapid City Regional Airport, the closest airport to Spearfish, is Thursday, April 30, 2026.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Spearfish is around 40 days in advance, so don’t leave your flight to the last minute.
Rapid City Regional Airport is the best option, and is around 50.5 miles from Spearfish.
The average temperature in Spearfish in March is around 35°F. The warmest month in Spearfish is typically July, which averages 86°F. The coolest month is December, with temperatures averaging 17°F. The rainiest month is May, and it usually rains the least in January.
Currently, the cheapest airline that flies to Rapid City Regional Airport – the closest airport to Spearfish – is Allegiant Air.
Rapid City Regional Airport is 50.5 miles from Spearfish which is approximately 1 hour driving time. Check out the options for car rental at Rapid City Regional Airport.