The best pricing can be found in the month of August. Prices to Illinois from North Dakota average $329. You can even find prices in August for less than $329, as users have found deals to Illinois from as low as $162. The month of September appears to be one of the more expensive times to travel to Illinois from North Dakota. Flying in the targeted month can save you up to 19%.
When flying from North Dakota 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.
Users have found that booking a flight from North Dakota to Illinois at least 61 days early can save you up to 35% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from North Dakota to Illinois for as little as $364 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $468 for flights departing within the next 3 days.
||$140||$412||No cancel fee||N/A|
||$209||$388||No cancel fee||71%|
||$216||$385||No cancel fee||69%|