When flying from Washington Dulles Intl Airport 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.
The best pricing can be found in the month of August. Prices to Illinois from Washington Dulles Intl Airport average $225. You can even find prices in August for less than $225, as users have found deals to Illinois from as low as $77. The month of November appears to be one of the more expensive times to travel to Illinois from Washington Dulles Intl Airport. Flying in the targeted month can save you up to 19%.
||$85||$169||No cancel fee||65%|
||$86||$335||No cancel fee||71%|
||$87||$389||No cancel fee||N/A|
||$237||$407||No cancel fee||69%|