Travelers have found it’s best to book a flight 51 days in advance to save up to 106% 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 51 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
$100 - $184
Route
Depart
Return
Price
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Sat 9/7
1 stop12h 08m
Chicago O'Hare Intl
Tue 9/10
1 stop6h 05m
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Wed 8/28
1 stop7h 54m
Chicago O'Hare Intl
Wed 9/4
1 stop5h 41m
Baltimore/WashingtonChicago Midway
BWI - MDW
BWIMDW
Baltimore/Washington
Tue 6/25
1 stop13h 11m
Chicago Midway
Fri 6/28
Nonstop1h 48m
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Fri 9/6
1 stop10h 23m
Chicago O'Hare Intl
Tue 9/10
1 stop8h 58m
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Sat 10/5
Nonstop2h 15m
Chicago O'Hare Intl
Mon 10/7
Nonstop2h 00m
Baltimore/WashingtonChicago O'Hare Intl
BWI - ORD
BWIORD
Baltimore/Washington
Mon 7/1
Nonstop2h 11m
Chicago O'Hare Intl
Fri 7/5
Nonstop1h 54m
Washington, D.C. Dulles IntlChicago O'Hare Intl
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
Sat 7/13
1 stop8h 34m
Chicago O'Hare Intl
Mon 7/15
1 stop16h 05m
Baltimore/WashingtonChicago Midway
BWI - MDW
BWIMDW
Baltimore/Washington
Thu 7/11
1 stop3h 38m
Chicago Midway
Sat 7/13
1 stop6h 20m
Washington, D.C. Reagan-NationalChicago O'Hare Intl
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Tue 7/9
1 stop9h 17m
Chicago O'Hare Intl
Wed 7/17
1 stop5h 05m
No data available for this route at this time. Please check back soon.
Food
Entertainment
Crew
Boarding
Overall
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Boarding
Overall
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Boarding
Overall
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Boarding
Overall
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Boarding
Overall
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Food
Entertainment
Crew
Boarding
Overall
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$58 | Average$150 | FlexibilityNo cancel fee | On-time62% |
Spirit Airlines | Cheapest$68 | Average$128 | FlexibilityNo cancel fee | On-time65% |
American Airlines | Cheapest$124 | Average$419 | FlexibilityNo cancel fee | On-time71% |
United Airlines | Cheapest$156 | Average$432 | FlexibilityNo cancel fee | On-time69% |
Delta | Cheapest$175 | Average$397 | FlexibilityNo cancel fee | On-timeN/A |
14%of flight departures | Early morningMidnight to 6 am |
---|---|
30%of flight departures | Morning6 am to noon |
41%of flight departures | AfternoonNoon to 6 pm |
15%of flight departures | Evening6 pm to midnight |