The best pricing can be found in the month of January. Prices to Illinois from Billings average $639. You can even find prices in January for less than $639, as users have found deals to Illinois from as low as $381. The month of October appears to be one of the more expensive times to travel to Illinois from Billings. Flying in the targeted month can save you up to 37%.
When flying from Billings to Illinois, 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
$273 - $476
Route
Depart
Return
Price
Billings Logan IntlLambert-St Louis
BIL - STL
BILSTL
Billings Logan Intl
Wed 6/12
1 stop5h 19m
Lambert-St Louis
Tue 6/18
1 stop6h 52m
Billings Logan IntlLambert-St Louis
BIL - STL
BILSTL
Billings Logan Intl
Sat 6/22
1 stop8h 21m
Lambert-St Louis
Wed 6/26
2 stops20h 35m
Billings Logan IntlChicago O'Hare Intl
BIL - ORD
BILORD
Billings Logan Intl
Mon 6/24
1 stop12h 03m
Chicago O'Hare Intl
Fri 7/5
1 stop13h 39m
Billings Logan IntlChicago O'Hare Intl
BIL - ORD
BILORD
Billings Logan Intl
Mon 6/24
2 stops21h 29m
Chicago O'Hare Intl
Fri 7/5
1 stop13h 39m
Billings Logan IntlLambert-St Louis
BIL - STL
BILSTL
Billings Logan Intl
Sat 6/22
1 stop7h 08m
Lambert-St Louis
Wed 6/26
1 stop6h 11m
Billings Logan IntlLambert-St Louis
BIL - STL
BILSTL
Billings Logan Intl
Wed 6/12
1 stop5h 19m
Lambert-St Louis
Tue 6/18
2 stops7h 21m
Billings Logan IntlChicago O'Hare Intl
BIL - ORD
BILORD
Billings Logan Intl
Tue 9/17
1 stop16h 02m
Chicago O'Hare Intl
Mon 9/23
1 stop8h 36m
Billings Logan IntlChicago O'Hare Intl
BIL - ORD
BILORD
Billings Logan Intl
Fri 9/6
1 stop25h 16m
Chicago O'Hare Intl
Sat 9/7
Nonstop3h 01m
Billings Logan IntlChicago O'Hare Intl
BIL - ORD
BILORD
Billings Logan Intl
Tue 6/25
2 stops12h 49m
Chicago O'Hare Intl
Wed 7/3
1 stop14h 02m
No data available for this route at this time. Please check back soon.
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
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