$41 Cheap flight deals from Philadelphia (ILG) to Oak Brook (CHI)
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This Weekend's Flight Deals from Philadelphia to Oak Brook
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $41 One Way, $83 Round Trip from Philadelphia to Oak Brook
Prices starting at $83 for return flights and $41 for one-way flights to Oak Brook were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Oak Brook economy flight packages
Aloft Chicago Downtown River North
May 7 - May 10
Philadelphia (PHL) to Chicago (ORD)
Reviewed on Feb 12, 2026
Hotel Riu Plaza Chicago
May 7 - May 10
Philadelphia (PHL) to Chicago (ORD)
Reviewed on Jan 14, 2026
Pendry Chicago
May 7 - May 10
Philadelphia (PHL) to Chicago (ORD)
Reviewed on Feb 25, 2026
More About Flying To Oak Brook from Philadelphia
Route Information for Flights from Philadelphia to Oak Brook
Origin Airport IATA Code | ILG |
|---|---|
Destination Airport IATA Code | CHI |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Philadelphia to Oak Brook
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.