Travelers have found it’s best to book a flight 39 days in advance to save up to 109% 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 39 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 Washington, D.C. to Illinois 1-2 weeks in advance for as low as $419, or $472 for flights within the next 24 hours.
Flights from Washington, D.C. to Illinois lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. to Illinois in April, with the cheapest ticket starting at $79.
When flying from Washington, D.C. 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
$60 - $170
Route
Depart
Return
Price
Baltimore/WashingtonChicago Midway
BWI - MDW
BWIMDW
Baltimore/Washington
Wed 7/24
Nonstop1h 59m
Chicago Midway
Sat 7/27
Nonstop1h 51m
Baltimore/WashingtonChicago Midway
BWI - MDW
BWIMDW
Baltimore/Washington
Wed 8/14
Nonstop1h 59m
Chicago Midway
Sat 8/17
Nonstop1h 51m
Baltimore/WashingtonChicago Midway
BWI - MDW
BWIMDW
Baltimore/Washington
Wed 5/22
Nonstop1h 59m
Chicago Midway
Wed 5/29
Nonstop1h 50m
Baltimore/WashingtonChicago Midway
BWI - MDW
BWIMDW
Baltimore/Washington
Mon 7/22
Nonstop1h 59m
Chicago Midway
Sat 7/27
Nonstop1h 51m
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Wed 6/5
1 stop12h 16m
Chicago O'Hare Intl
Mon 6/10
1 stop13h 40m
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Sat 6/1
1 stop7h 02m
Chicago O'Hare Intl
Wed 6/5
1 stop6h 08m
Washington, D.C. Dulles IntlChicago O'Hare Intl
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
Thu 5/30
1 stop12h 33m
Chicago O'Hare Intl
Mon 6/3
1 stop15h 53m
Washington, D.C. Reagan-NationalChicago O'Hare Intl
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Tue 6/25
Nonstop2h 11m
Chicago O'Hare Intl
Tue 7/2
Nonstop2h 00m
Washington, D.C. Reagan-NationalChicago O'Hare Intl
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Mon 7/1
Nonstop2h 14m
Chicago O'Hare Intl
Tue 7/9
Nonstop1h 54m
No data available for this route at this time. Please check back soon.
Comfort
Overall
Crew
Entertainment
Food
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Overall
Crew
Entertainment
Food
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Overall
Crew
Entertainment
Food
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Overall
Crew
Entertainment
Food
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Overall
Crew
Entertainment
Food
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Overall
Crew
Entertainment
Food
Boarding
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
21%of flight departures | Early morningMidnight to 6 am |
---|---|
35%of flight departures | Morning6 am to noon |
29%of flight departures | AfternoonNoon to 6 pm |
15%of flight departures | Evening6 pm to midnight |
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