United AirlinesDepart05:55
Fri, Nov 13FSD → CPR
3h 19m · 1 stop
$384one way, per person
View deal
- Cheapest fare
- $384
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 13m
United Airlines · Fri, Nov 13
from $384
Usually 1+ stop
790 km
Get a price alert
We'll email you when Sioux Falls → Casper drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $384. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Sioux Falls to Casper
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.
United AirlinesPlan the rest of your trip to Casper
Where to stay, what to do and getting around, from our travel partners.
About flights from Sioux Falls to Casper
Sioux Falls (FSD) and Casper (CPR) are about 790 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 13m. Over the next few months, one-way fares start from $384, 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 Sioux Falls to Casper?
The cheapest one-way fare we've seen recently is $384 with United Airlines, departing Friday, November 13, 2026.
What is the cheapest month to fly from Sioux Falls to Casper?
November 2026 currently has the lowest fares, from $384 one way.
Are there direct flights from Sioux Falls to Casper?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sioux Falls to Casper?
The quickest journey we've seen takes about 3h 13m. Sioux Falls and Casper are around 790 km apart.
Which airlines fly from Sioux Falls to Casper?
Recent fares on this route were with United Airlines.
More cheap flights from Sioux Falls
- Sioux Falls to Denverfrom $223
- Sioux Falls to Chicagofrom $105
- Sioux Falls to Dallasfrom $228
- Sioux Falls to Nashvillefrom $331
- Sioux Falls to Fort Lauderdalefrom $164
- Sioux Falls to Milwaukeefrom $367
- Sioux Falls to Tampafrom $84
- Sioux Falls to Knoxvillefrom $166
- Sioux Falls to Ashevillefrom $193
- Sioux Falls to Clevelandfrom $201
- Sioux Falls to McAllenfrom $212
- Sioux Falls to Punta Gordafrom $217