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.

$93 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

Thu, Dec 10 - Sun, Dec 13

9:34 pm - 12:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 15mnonstop

4:31 pm - 9:42 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 11m1 stop Atlanta Hartsfield-Jackson

$176Frontier

Fri, Dec 11 - Mon, Dec 14

10:37 pm - 7:30 pmORD Chicago O'Hare Intl-PHL Philadelphia

19h 53m2 stops Atlanta Hartsfield-Jackson Tampa

6:50 pm - 8:29 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 39mnonstop

$179Frontier

Mon, Dec 7 - Thu, Dec 10

8:10 am - 11:05 amMDW Chicago Midway-PHL Philadelphia

1h 55mnonstop

2:45 pm - 11:10 pmPHL Philadelphia-MDW Chicago Midway

9h 25m2 stops Lambert-St Louis Houston Hobby

$180Southwest

Wed, Jan 20 - Wed, Jan 20

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

2h 00mnonstop

1:15 pm - 9:50 pmPHL Philadelphia-MDW Chicago Midway

9h 35m2 stops Lambert-St Louis Nashville Intl

$180Southwest

Thu, Dec 3 - Mon, Dec 7

9:34 pm - 12:44 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 10mnonstop

7:25 pm - 2:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

20h 05m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

$180Multiple Airlines

Thu, Nov 12 - Tue, Dec 1

6:42 am - 9:52 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 10mnonstop

6:19 am - 7:55 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

$181United Airlines

Wed, Feb 3 - Sun, Feb 7

8:40 am - 2:14 pmORD Chicago O'Hare Intl-PHL Philadelphia

4h 34m1 stop Washington, D.C. Dulles Intl

4:55 pm - 6:31 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

$183United Airlines

Fri, Dec 25 - Wed, Dec 30

7:00 am - 12:00 pmORD Chicago O'Hare Intl-PHL Philadelphia

4h 00m1 stop Detroit Metropolitan Wayne County

6:00 am - 9:49 amPHL Philadelphia-ORD Chicago O'Hare Intl

4h 49m1 stop Detroit Metropolitan Wayne County

$183Delta

Fri, Nov 13 - Sat, Nov 14

6:15 pm - 12:54 amORD Chicago O'Hare Intl-PHL Philadelphia

5h 39m1 stop Atlanta Hartsfield-Jackson

4:00 pm - 8:49 pmPHL Philadelphia-ORD Chicago O'Hare Intl

5h 49m1 stop Atlanta Hartsfield-Jackson

$183Delta

Fri, Feb 5 - Sun, Feb 7

8:35 am - 12:15 amBMI Bloomington-Normal-PHL Philadelphia

14h 40m1 stop Tampa St. Petersburg

10:41 am - 7:45 amPHL Philadelphia-BMI Bloomington-Normal

22h 04m2 stops Atlanta Hartsfield-Jackson Tampa

$302Multiple Airlines

Recent last minute flight deals from Illinois to Philadelphia

Sat, Oct 31 - Mon, Nov 9

8:00 am - 10:25 amORD Chicago O'Hare Intl-PHL Philadelphia

25h 25m2 stops Fort Lauderdale San Juan Luis Munoz Marin Intl

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

2h 34mnonstop

$182Frontier

Fri, Oct 30 - Tue, Nov 10

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

2h 16mnonstop

2:45 pm - 5:07 pmPHL Philadelphia-ORD Chicago O'Hare Intl

27h 22m1 stop Orlando

$237Frontier

Fri, Oct 30 - Tue, Nov 10

3:37 pm - 6:55 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 18mnonstop

10:40 am - 12:19 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 39mnonstop

$334American Airlines

Fri, Oct 30 - Tue, Nov 10

4:40 pm - 7:35 pmMDW Chicago Midway-PHL Philadelphia

1h 55mnonstop

11:45 am - 1:00 pmPHL Philadelphia-MDW Chicago Midway

2h 15mnonstop

$334Southwest

Fri, Oct 30 - Tue, Nov 10

2:15 pm - 11:30 pmMDW Chicago Midway-PHL Philadelphia

8h 15m1 stop Orlando

6:20 pm - 7:35 pmPHL Philadelphia-MDW Chicago Midway

2h 15mnonstop

$344Southwest

Thu, Oct 29 - Fri, Oct 30

8:39 am - 9:30 amMLI Moline Quad-City-PHL Philadelphia

23h 51m1 stop Orlando Sanford Intl

6:27 pm - 10:39 amPHL Philadelphia-MLI Moline Quad-City

17h 12m1 stop Tampa St. Petersburg

$403Multiple Airlines

Sat, Oct 31 - Sat, Nov 7

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

2h 11mnonstop

9:22 am - 11:04 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 42mnonstop

$415American Airlines

Sat, Oct 31 - Sat, Nov 7

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

$415United Airlines

Thu, Oct 29 - Tue, Nov 3

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

2h 16mnonstop

6:00 am - 11:57 pmPHL Philadelphia-ORD Chicago O'Hare Intl

18h 57m1 stop Fort Lauderdale

$418Multiple Airlines

Sat, Oct 31 - Tue, Nov 3

1:30 pm - 6:51 pmORD Chicago O'Hare Intl-PHL Philadelphia

4h 21m1 stop Washington, D.C. Dulles Intl

9:45 am - 11:20 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 35mnonstop

$425United Airlines

Recent direct flight deals from Illinois to Philadelphia

Sun, Nov 15 - Sun, Nov 15

4:42 pm - 8:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 22mnonstop

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

2h 34mnonstop

$179Frontier

Tue, Dec 22 - Wed, Dec 30

4:18 pm - 7:37 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 19mnonstop

12:56 pm - 2:29 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 33mnonstop

$180Frontier

Mon, Nov 23 - Fri, Nov 27

9:20 pm - 12:30 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 10mnonstop

6:31 pm - 8:15 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 44mnonstop

$180Frontier

Thu, Nov 12 - Tue, Dec 1

6:42 am - 9:52 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 10mnonstop

6:19 am - 7:55 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

$181United Airlines

Sun, Nov 22 - Fri, Nov 27

8:50 am - 12:05 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 15mnonstop

6:15 am - 7:51 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

$194United Airlines

Tue, Jan 19 - Tue, Jan 19

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

2h 00mnonstop

5:20 pm - 6:40 pmPHL Philadelphia-MDW Chicago Midway

2h 20mnonstop

$198Southwest

Wed, Feb 3 - Sat, Feb 6

7:30 pm - 10:38 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 08mnonstop

7:00 am - 8:32 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 32mnonstop

$199American Airlines

Tue, Dec 1 - Sat, Dec 5

5:29 pm - 8:37 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 08mnonstop

9:25 pm - 11:00 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 35mnonstop

$199American Airlines

Mon, Jan 18 - Fri, Jan 22

7:10 pm - 10:05 pmMDW Chicago Midway-PHL Philadelphia

1h 55mnonstop

1:25 pm - 2:35 pmPHL Philadelphia-MDW Chicago Midway

2h 10mnonstop

$203Southwest

Sat, Feb 13 - Mon, Feb 15

11:10 am - 2:16 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 06mnonstop

9:39 am - 11:11 amPHL Philadelphia-ORD Chicago O'Hare Intl

2h 32mnonstop

$207United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$93

Best time to beat the crowds with an average 17% drop in price.

Most popular time to fly with an average 5% 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

Middletown

Voorhees

Pottstown

Kennett Square

Somers Point

Glen Mills

Millville

Springfield

Blackwood

Wyomissing

Phoenixville

Strasburg

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Car rentals in Philadelphia

Hotels in Philadelphia

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PHL

$93 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

Good to know

Low season

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

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Find deals for your return flight