
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $65 (Kiwi.com) |
One-way from | $28 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $200 |
Good round-trip deal | $108 or less |
Good one-way deal | $140 or less |
Fly from
Fly to
Route
Depart
Return
Price
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Sun 3/1
9:01 am-11:11 am
Nonstop2h 10m
Boise Air Term. Gowen Fld
Mon 3/2
6:00 pm-11:59 pm
1 stop5h 59m
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Thu 4/23
9:10 am-11:08 am
Nonstop1h 58m
Boise Air Term. Gowen Fld
Sun 4/26
11:53 am-1:56 pm
Nonstop2h 03m
DenverIdaho Falls
DEN - IDA
DENIDA
Denver Intl
Sat 6/13
11:45 am-1:24 pm
Nonstop1h 39m
Idaho Falls Fanning Field
Sun 6/14
6:03 pm-7:56 pm
Nonstop1h 53m
DenverIdaho Falls
DEN - IDA
DENIDA
Denver Intl
Fri 6/12
11:45 am-1:24 pm
Nonstop1h 39m
Idaho Falls Fanning Field
Sun 6/14
6:03 pm-7:56 pm
Nonstop1h 53m
DenverIdaho Falls
DEN - IDA
DENIDA
Denver Intl
Thu 2/26
8:00 am-9:48 am
Nonstop1h 48m
Idaho Falls Fanning Field
Sat 2/28
5:33 pm-7:25 pm
Nonstop1h 52m
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Tue 3/3
7:40 am-6:12 pm
2 stops11h 32m
Spokane
Thu 3/5
12:22 pm-3:45 pm
Nonstop2h 23m
DenverSpokane
DEN - GEG
DENGEG
Denver Intl
Sun 3/15
9:10 am-10:47 am
Nonstop2h 37m
Spokane
Thu 3/19
11:32 am-2:55 pm
Nonstop2h 23m
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Mon 3/2
6:40 am-1:11 pm
1 stop6h 31m
Boise Air Term. Gowen Fld
Mon 3/9
6:00 am-9:28 am
1 stop3h 28m
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Thu 2/26
5:30 am-9:45 am
1 stop4h 15m
Boise Air Term. Gowen Fld
Sun 3/1
5:35 am-9:24 am
1 stop3h 49m
DenverBoise
DEN - BOI
DENBOI
Denver Intl
Fri 2/27
12:30 pm-8:15 pm
1 stop7h 45m
Boise Air Term. Gowen Fld
Sun 3/1
5:35 am-9:24 am
1 stop3h 49m
Currently, May is the cheapest month in which you can book a flight from Colorado to Idaho (average of $37). Flying from Colorado to Idaho in April is currently the most expensive (average of $197). 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.
It’s typically best to fly out from Colorado to Idaho in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their Colorado to Idaho flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from USCO to USID are scheduled on a Monday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$40 | Average$88 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$54 | Average$130 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$97 | Average$312 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$346 | FlexibilityNo cancel fee | On-time63% |