$34 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 $34 One Way, $114 Round Trip from Philadelphia to Oak Brook
Prices starting at $114 for return flights and $34 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
The Royal Sonesta Chicago Downtown
Dec 16 - Dec 19
Philadelphia (PHL) to Chicago (ORD)
Chicago (ORD) to Philadelphia (PHL)
Reviewed on Oct 19, 2025
Arlo Chicago
Dec 16 - Dec 19
Philadelphia (PHL) to Chicago (ORD)
Chicago (ORD) to Philadelphia (PHL)
Reviewed on Oct 25, 2025
Hilton Chicago O'Hare Airport
Dec 14 - Dec 20
Philadelphia (PHL) to Chicago (ORD)
Chicago (ORD) to Philadelphia (PHL)
Reviewed on Sep 14, 2025
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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Unbeatable Deals for Flights From Philadelphia to Oak Brook
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Easy Flight Cancellation
In most cases, you can cancel flights from Philadelphia to Oak Brook online with the same ease as you booked them.
Flights from Philadelphia
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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.