
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (American Airlines) |
One-way from | $148 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $505 |
Good round-trip deal | $519 or less |
Good one-way deal | $251 or less |
Fly from
Fly to
Route
Depart
Return
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
Wed 10/21
2:29 pm-9:13 pm
1 stop5h 44m
Chicago O'Hare Intl
Sat 10/24
3:55 pm-9:00 pm
1 stop6h 05m
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
Wed 10/21
5:45 am-12:25 pm
1 stop5h 40m
Chicago O'Hare Intl
Sat 10/24
1:35 pm-10:32 pm
2 stops9h 57m
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
Thu 7/2
5:20 am-12:00 pm
1 stop5h 40m
Chicago O'Hare Intl
Tue 7/7
8:27 am-5:52 pm
2 stops10h 25m
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
Sat 6/6
6:00 pm-12:44 am
1 stop5h 44m
Chicago O'Hare Intl
Sat 6/13
5:00 am-9:35 am
1 stop5h 35m
BillingsChicago
BIL - MDW
BILMDW
Billings Logan Intl
Wed 5/27
6:30 am-4:12 pm
2 stops8h 42m
Chicago Midway
Sat 5/30
7:13 pm-11:14 pm
1 stop5h 01m
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
Mon 7/13
5:20 am-11:59 am
1 stop5h 39m
Chicago O'Hare Intl
Mon 7/20
1:24 pm-10:50 pm
2 stops10h 26m
BillingsSt. Louis
BIL - STL
BILSTL
Billings Logan Intl
Thu 6/18
6:40 pm-12:43 am
1 stop5h 03m
Lambert-St Louis
Mon 6/29
5:36 pm-11:00 pm
1 stop6h 24m
BillingsChicago
BIL - MDW
BILMDW
Billings Logan Intl
Sat 6/6
5:30 am-6:33 pm
2 stops12h 03m
Chicago Midway
Sat 6/13
1:49 pm-8:02 pm
1 stop7h 13m
BillingsChicago
BIL - MDW
BILMDW
Billings Logan Intl
Mon 8/10
6:34 pm-8:40 am
2 stops13h 06m
Chicago Midway
Sat 8/15
1:52 pm-8:12 pm
1 stop7h 20m
BillingsChicago
BIL - MDW
BILMDW
Billings Logan Intl
Thu 7/9
6:24 am-6:25 pm
2 stops11h 01m
Chicago Midway
Sun 7/19
7:06 pm-11:20 pm
1 stop5h 14m
Currently, July is the cheapest month in which you can book a flight from Billings to Illinois (average of $191). Flying from Billings to Illinois in November is currently the most expensive (average of $299). 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.
Food
Boarding
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Food
Boarding
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Food
Boarding
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
Food
Boarding
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,May 2026
SEA - KOA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$492 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$225 | Average$390 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$399 | FlexibilityNo cancel fee | On-time69% |