When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 70% on flights from South Dakota to Idaho compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $351. For sooner than that we have options available in the next 3 days from $654.
Our data shows that August tends to be the cheapest month to fly to Idaho from South Dakota. Users have commonly found prices around $530 for the month, but tickets can be as low as $351. Due to multiple factors, prepare for potentially higher prices in June.
When flying from South Dakota to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$238 - $373
Route
Depart
Return
Price
Sioux Falls Joe Foss FieldSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Wed 7/24
1 stop5h 25m
Spokane
Wed 7/31
1 stop6h 46m
Sioux Falls Joe Foss FieldSpokane
FSD - GEG
FSDGEG
Sioux Falls Joe Foss Field
Thu 7/18
1 stop5h 25m
Spokane
Wed 7/31
1 stop6h 46m
Sioux Falls Joe Foss FieldBoise Air Term. Gowen Fld
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Fri 6/21
1 stop6h 05m
Boise Air Term. Gowen Fld
Fri 7/12
1 stop6h 08m
Rapid CitySpokane
RAP - GEG
RAPGEG
Rapid City
Sat 8/24
1 stop7h 29m
Spokane
Wed 8/28
2 stops7h 26m
Sioux Falls Joe Foss FieldBoise Air Term. Gowen Fld
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Thu 8/1
1 stop5h 01m
Boise Air Term. Gowen Fld
Tue 8/13
1 stop7h 25m
Rapid CitySpokane
RAP - GEG
RAPGEG
Rapid City
Sat 8/24
1 stop7h 29m
Spokane
Wed 8/28
1 stop6h 51m
Sioux Falls Joe Foss FieldBoise Air Term. Gowen Fld
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Sat 9/7
1 stop8h 35m
Boise Air Term. Gowen Fld
Sun 9/8
1 stop6h 23m
Sioux Falls Joe Foss FieldBoise Air Term. Gowen Fld
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Wed 6/26
1 stop14h 17m
Boise Air Term. Gowen Fld
Mon 7/1
1 stop4h 57m
Sioux Falls Joe Foss FieldBoise Air Term. Gowen Fld
FSD - BOI
FSDBOI
Sioux Falls Joe Foss Field
Fri 6/28
1 stop17h 30m
Boise Air Term. Gowen Fld
Mon 7/1
1 stop4h 57m
No data available for this route at this time. Please check back soon.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
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