How does KAYAK find such low prices on flights from Illinois to Philadelphia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Philadelphia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Philadelphia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Philadelphia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Philadelphia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$109 CHEAP FLIGHTS from Illinois to Philadelphia

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Flight Deals

Cheap Flights from Illinois to Philadelphia

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Philadelphia

Fri, Oct 23 - Tue, Oct 27

4:41 pm - 8:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

12:36 pm - 6:45 pmPHL Philadelphia-ORD Chicago O'Hare Intl

7h 09m1 stop Atlanta Hartsfield-Jackson

$159Frontier

Thu, Nov 5 - Sun, Nov 8

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

$159Frontier

Wed, Feb 3 - Sat, Feb 6

1:35 pm - 4:25 pmMDW Chicago Midway-PHL Philadelphia

1h 50mnonstop

7:30 am - 8:50 amPHL Philadelphia-MDW Chicago Midway

2h 20mnonstop

$257Southwest

Sat, Oct 10 - Mon, Oct 12

4:20 pm - 7:20 pmMDW Chicago Midway-PHL Philadelphia

2h 00mnonstop

6:55 am - 8:00 amPHL Philadelphia-MDW Chicago Midway

2h 05mnonstop

$257Southwest

Tue, Oct 27 - Thu, Oct 29

6:29 am - 9:40 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 11mnonstop

9:02 pm - 10:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 28mnonstop

$257American Airlines

Mon, Oct 19 - Wed, Oct 21

7:37 pm - 10:52 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 15mnonstop

12:41 pm - 2:14 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 33mnonstop

$257American Airlines

Mon, Oct 19 - Tue, Oct 20

4:00 pm - 7:24 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

9:34 am - 10:59 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 25mnonstop

$257United Airlines

Sat, Oct 24 - Tue, Oct 27

2:51 pm - 6:14 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

4:54 pm - 6:29 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 35mnonstop

$257United Airlines

Thu, Nov 5 - Sun, Nov 8

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

10:00 am - 5:05 pmPHL Philadelphia-ORD Chicago O'Hare Intl

8h 05m1 stop Minneapolis St Paul

$270Multiple Airlines

Sun, Nov 1 - Tue, Nov 3

10:54 am - 12:29 amPIA Greater Peoria-PHL Philadelphia

12h 35m1 stop Tampa St. Petersburg

12:36 pm - 9:01 amPHL Philadelphia-PIA Greater Peoria

21h 25m2 stops Atlanta Hartsfield-Jackson Orlando

$338Multiple Airlines

Recent last minute flight deals from Illinois to Philadelphia

Mon, Sep 28 - Mon, Nov 9

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

$203Frontier

Sun, Sep 27 - Thu, Oct 15

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

9:09 pm - 10:39 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 30mnonstop

$203Frontier

Sat, Sep 26 - Sat, Oct 31

6:30 am - 9:48 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 18mnonstop

3:51 pm - 5:33 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 42mnonstop

$326American Airlines

Wed, Sep 30 - Mon, Nov 2

8:45 am - 11:52 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 07mnonstop

6:37 pm - 8:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 53mnonstop

$326American Airlines

Wed, Sep 30 - Tue, Oct 13

11:25 am - 2:43 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 18mnonstop

7:10 pm - 8:40 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 30mnonstop

$326United Airlines

Wed, Sep 30 - Tue, Oct 13

7:00 am - 10:11 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 11mnonstop

6:15 am - 9:38 amPHL Philadelphia-ORD Chicago O'Hare Intl

4h 23m1 stop Washington, D.C. Dulles Intl

$336United Airlines

Sun, Sep 27 - Thu, Oct 15

8:00 am - 11:10 amMDW Chicago Midway-PHL Philadelphia

2h 10mnonstop

3:20 pm - 4:25 pmPHL Philadelphia-MDW Chicago Midway

2h 05mnonstop

$370Southwest

Sun, Sep 27 - Thu, Oct 15

7:55 am - 3:55 pmMDW Chicago Midway-PHL Philadelphia

7h 00m1 stop Lambert-St Louis

6:55 am - 8:00 amPHL Philadelphia-MDW Chicago Midway

2h 05mnonstop

$380Southwest

Sat, Sep 26 - Tue, Sep 29

6:40 pm - 11:12 pmMDW Chicago Midway-PHL Philadelphia

3h 32m1 stop Detroit Metropolitan Wayne County

6:15 am - 9:07 amPHL Philadelphia-MDW Chicago Midway

3h 52m1 stop Detroit Metropolitan Wayne County

$415Delta

Sat, Sep 26 - Wed, Sep 30

6:40 pm - 11:12 pmMDW Chicago Midway-PHL Philadelphia

3h 32m1 stop Detroit Metropolitan Wayne County

6:15 am - 9:07 amPHL Philadelphia-MDW Chicago Midway

3h 52m1 stop Detroit Metropolitan Wayne County

$415Delta

Recent direct flight deals from Illinois to Philadelphia

Thu, Nov 5 - Sun, Nov 8

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

$159Frontier

Thu, Oct 22 - Mon, Oct 26

4:41 pm - 8:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

9:09 pm - 10:39 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 30mnonstop

$159Frontier

Thu, Nov 19 - Thu, Nov 19

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

$162Frontier

Tue, Oct 27 - Thu, Oct 29

6:29 am - 9:40 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 11mnonstop

9:02 pm - 10:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 28mnonstop

$257American Airlines

Mon, Oct 19 - Wed, Oct 21

7:37 pm - 10:52 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 15mnonstop

12:41 pm - 2:14 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 33mnonstop

$257American Airlines

Mon, Oct 19 - Tue, Oct 20

4:00 pm - 7:24 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

9:34 am - 10:59 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 25mnonstop

$257United Airlines

Wed, Oct 28 - Sat, Oct 31

8:50 am - 12:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 14mnonstop

6:46 pm - 8:22 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

$257United Airlines

Wed, Feb 3 - Sat, Feb 6

1:35 pm - 4:25 pmMDW Chicago Midway-PHL Philadelphia

1h 50mnonstop

7:30 am - 8:50 amPHL Philadelphia-MDW Chicago Midway

2h 20mnonstop

$257Southwest

Sat, Oct 10 - Mon, Oct 12

4:20 pm - 7:20 pmMDW Chicago Midway-PHL Philadelphia

2h 00mnonstop

6:55 am - 8:00 amPHL Philadelphia-MDW Chicago Midway

2h 05mnonstop

$257Southwest

Tue, Dec 1 - Mon, Dec 7

4:50 pm - 8:00 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 10mnonstop

5:52 am - 7:27 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 35mnonstop

$257American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$109

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 9% increase in price.

Flight from Chicago Midway Airport to Philadelphia

How does KAYAK find such low prices on flights from Illinois to Philadelphia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Philadelphia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Philadelphia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Philadelphia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Philadelphia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Wildwood Crest

Newark

Essington

North Wildwood

Vineland

West Chester

Elkton

Willow Grove

Pottstown

Middletown

Somers Point

Kennett Square

Voorhees

Glen Mills

Wyomissing

Blackwood

Springfield

Millville

Phoenixville

Strasburg

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Complete your trip to Philadelphia with a hotel stay or car rental

Car rentals in Philadelphia

Hotels in Philadelphia

Vacations in Philadelphia

PHL

$109 Find Cheap Flights from Illinois to Philadelphia - Compare and Save

Cheap Flights from Illinois to Philadelphia

Recent round-trip flight deals from Illinois to Philadelphia

Recent one-way flight deals from Illinois to Philadelphia

Recent last minute flight deals from Illinois to Philadelphia

Recent direct flight deals from Illinois to Philadelphia

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High season

Cheapest flight

FAQs for booking flights from Illinois to Philadelphia

Traveling to a place near Philadelphia?

More options for your flight to Philadelphia

Complete your trip to Philadelphia with a hotel stay or car rental

Information on the airport you'll fly into in Philadelphia

Cabin class types available on flights to Illinois

Find direct flights for Philadelphia

Flights from domestic origins to Philadelphia

Flights to other popular destinations

Find deals for your return flight