
| Most accurate provider | Justfly.com 3 stars | 
|---|---|
| Most trusted provider | Justfly.com 3 stars | 
| Round-trip from | $115 (Kiwi.com) | 
| One-way from | $61 (Kiwi.com) | 
| Popular in | July | 
| Cheapest in | November | 
| Average price | $398 | 
| Good round-trip deal | $199 or less | 
| Good one-way deal | $168 or less | 
Fly from
Fly to
Route
Depart
Return
Price
Saint GeorgeBoise
SGU - BOI
SGUBOI
Saint George
Tue 3/3
6:15 am-10:24 am
1 stop4h 09m
Boise Air Term. Gowen Fld
Sat 3/7
1:10 pm-6:35 pm
1 stop5h 25m
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Wed 12/3
9:05 am-12:39 pm
1 stop4h 34m
Spokane
Sat 12/6
7:15 am-11:05 pm
1 stop14h 50m
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Tue 1/20
8:20 am-11:38 am
1 stop4h 18m
Spokane
Tue 1/27
9:05 am-2:46 pm
1 stop4h 41m
Saint GeorgeSpokane
SGU - GEG
SGUGEG
Saint George
Sat 12/13
7:15 pm-10:44 pm
1 stop4h 29m
Spokane
Tue 12/16
6:00 am-10:54 am
1 stop3h 54m
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Wed 1/21
3:40 pm-7:03 pm
1 stop4h 23m
Spokane
Sat 1/24
5:45 am-11:23 am
1 stop4h 38m
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Thu 12/4
7:20 am-11:13 am
1 stop4h 53m
Spokane
Fri 12/5
1:33 pm-7:57 pm
1 stop5h 24m
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Sat 1/17
7:14 am-5:01 pm
2 stops10h 47m
Spokane
Tue 1/27
9:05 am-2:46 pm
1 stop4h 41m
Salt Lake CityIdaho Falls
SLC - IDA
SLCIDA
Salt Lake City
Wed 4/15
9:15 pm-10:14 pm
Nonstop0h 59m
Idaho Falls Fanning Field
Sat 4/18
6:10 am-7:12 am
Nonstop1h 02m
Salt Lake CityBoise
SLC - BOI
SLCBOI
Salt Lake City
Sat 12/6
3:37 pm-9:45 pm
1 stop6h 08m
Boise Air Term. Gowen Fld
Mon 12/8
8:16 pm-10:07 am
1 stop13h 51m
Salt Lake CitySpokane
SLC - GEG
SLCGEG
Salt Lake City
Wed 1/21
3:40 pm-7:03 pm
1 stop4h 23m
Spokane
Fri 1/23
7:49 pm-11:23 am
1 stop14h 34m
Currently, February is the cheapest month in which you can book a flight from Utah to Idaho (average of $136). Flying from Utah to Idaho in July is currently the most expensive (average of $249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Utah to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the afternoon.
Travelers seeking maximum savings on their Utah to Idaho flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Matthew,Oct 2025
GSP - ATL
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$173 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$360 | FlexibilityNo cancel fee | On-time69% |