To save on the cost of your flight from Illinois to Oakland, book at least 35 days before your planned departure. Booking around this time can save you about 7% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $99 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $105.
Flights from Illinois to Oakland lean towards being more expensive in June. Prices are generally better when you fly from Illinois to Oakland in August, with the cheapest ticket starting at $48.
The chart below displays the airlines Cheapflights users traveling from Illinois to Oakland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$136||$255||No cancel fee||65%|
||$147||$279||No cancel fee||69%|
||$138||$475||No cancel fee||71%|
||$167||$480||No cancel fee||N/A|
||$128||$531||No cancel fee||75%|