
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $131 (Frontier) |
One-way from | $66 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $407 |
Good round-trip deal | $352 or less |
Good one-way deal | $273 or less |
Fly from
Fly to
Route
Depart
Return
Price
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
jue. 12/4
12:44 pm-10:14 am
1 stop20h 30m
Lambert-St Louis
mié. 12/10
7:43 pm-11:49 am
1 stop17h 06m
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
jue. 12/4
12:44 pm-10:14 am
1 stop20h 30m
Lambert-St Louis
vie. 12/12
10:44 pm-11:49 am
2 stops38h 05m
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
jue. 12/4
7:30 am-7:10 pm
2 stops10h 40m
Lambert-St Louis
mié. 12/10
12:49 pm-8:20 pm
2 stops8h 31m
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
sáb. 12/13
6:00 am-1:30 pm
1 stop6h 30m
Chicago O'Hare Intl
jue. 12/18
1:00 pm-12:45 am
1 stop12h 45m
BoiseMoline
BOI - MLI
BOIMLI
Boise Air Term. Gowen Fld
vie. 11/14
1:25 pm-11:03 pm
1 stop8h 38m
Moline Quad-City
mar. 11/18
5:46 am-12:35 pm
1 stop7h 49m
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
vie. 11/14
9:00 am-9:25 pm
2 stops11h 25m
Chicago O'Hare Intl
dom. 11/16
7:40 pm-12:35 am
1 stop5h 55m
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
jue. 11/13
7:45 pm-8:30 am
2 stops11h 45m
Chicago O'Hare Intl
dom. 11/16
7:40 pm-12:35 am
1 stop5h 55m
BoiseMoline
BOI - MLI
BOIMLI
Boise Air Term. Gowen Fld
vie. 11/14
2:31 pm-9:01 pm
1 stop5h 30m
Moline Quad-City
mar. 11/18
1:00 pm-11:28 pm
2 stops11h 28m
BoiseChicago
BOI - ORD
BOIORD
Boise Air Term. Gowen Fld
mar. 12/9
5:45 am-1:09 pm
1 stop6h 24m
Chicago O'Hare Intl
jue. 12/25
6:00 am-1:49 pm
1 stop8h 49m
BoiseChicago
BOI - MDW
BOIMDW
Boise Air Term. Gowen Fld
sáb. 12/13
1:50 pm-10:45 pm
1 stop7h 55m
Chicago Midway
jue. 12/18
6:35 pm-12:35 am
1 stop7h 00m
Currently, May is the cheapest month in which you can book a flight from Boise to Illinois (average of $87). Flying from Boise to Illinois in March is currently the most expensive (average of $268). 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 Boise to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight in the morning.
Travelers seeking maximum savings on their Boise to Illinois flight should consider departing on Monday evenings 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 BOI to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Sep 2025
BOS - HNL
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Sep 2025
BOS - HNL
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Sep 2025
BOS - HNL
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Sep 2025
BOS - HNL
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Sep 2025
BOS - HNL
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Sep 2025
BOS - HNL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$353 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$233 | Average$393 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$233 | Average$486 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$255 | Average$499 | FlexibilityNo cancel fee | On-time71% |