Travelers have found it’s best to book a flight 52 days in advance to save up to 36% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to Illinois 1-2 weeks in advance for as low as $279, or $328 for flights within the next 24 hours.
The best pricing can be found in the month of January. Prices to Illinois from Boston average $273. You can even find prices in January for less than $273, as users have found deals to Illinois from as low as $106. The month of June appears to be one of the more expensive times to travel to Illinois from Boston. Flying in the targeted month can save you up to 23%.
When flying from Boston 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
$100 - $227
Route
Depart
Return
Price
Boston Logan IntlLambert-St Louis
BOS - STL
BOSSTL
Boston Logan Intl
Sat 6/1
1 stop20h 26m
Lambert-St Louis
Tue 6/4
1 stop11h 32m
Boston Logan IntlLambert-St Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 5/29
1 stop22h 16m
Lambert-St Louis
Tue 6/4
1 stop11h 32m
Boston Logan IntlChicago O'Hare Intl
BOS - ORD
BOSORD
Boston Logan Intl
Wed 6/5
1 stop12h 38m
Chicago O'Hare Intl
Mon 6/10
2 stops17h 18m
Boston Logan IntlChicago O'Hare Intl
BOS - ORD
BOSORD
Boston Logan Intl
Sat 7/6
1 stop6h 18m
Chicago O'Hare Intl
Wed 7/10
Nonstop2h 28m
Boston Logan IntlChicago O'Hare Intl
BOS - ORD
BOSORD
Boston Logan Intl
Wed 6/5
Nonstop2h 55m
Chicago O'Hare Intl
Sat 6/8
Nonstop2h 40m
Boston Logan IntlChicago O'Hare Intl
BOS - ORD
BOSORD
Boston Logan Intl
Wed 6/5
Nonstop2h 50m
Chicago O'Hare Intl
Thu 6/6
Nonstop2h 20m
Boston Logan IntlChicago O'Hare Intl
BOS - ORD
BOSORD
Boston Logan Intl
Sat 5/25
Nonstop2h 55m
Chicago O'Hare Intl
Thu 5/30
Nonstop2h 29m
Boston Logan IntlChicago O'Hare Intl
BOS - ORD
BOSORD
Boston Logan Intl
Wed 5/29
Nonstop2h 56m
Chicago O'Hare Intl
Tue 6/4
1 stop4h 44m
Boston Logan IntlChicago Midway
BOS - MDW
BOSMDW
Boston Logan Intl
Mon 6/17
Nonstop2h 35m
Chicago Midway
Wed 6/19
Nonstop2h 15m
No data available for this route at this time. Please check back soon.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Boarding
Comfort
Overall
Food
Entertainment
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
13%of flight departures | Early morningMidnight to 6 am |
---|---|
39%of flight departures | Morning6 am to noon |
42%of flight departures | AfternoonNoon to 6 pm |
6%of flight departures | Evening6 pm to midnight |
Cheapflights makes it easy to find Boston to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Boston.
Certainly. Search results for flights to Illinois from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Not ready to book yet? You can track prices for flights from Boston to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.