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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$73 CHEAP FLIGHTS from Illinois to Philadelphia

PHL

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Cheap Flights from Illinois to Philadelphia

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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, Sep 26 - Fri, Oct 3

6:10 am - 9:25 amORD-PHL

2h 15mnonstop

3:07 pm - 3:17 pmPHL-ORD

25h 10m1 stop

$133Frontier

Find Deal

Wed, Aug 27 - Thu, Sep 4

8:00 am - 4:30 pmMDW-PHL

7h 30m1 stop

6:00 am - 7:11 amPHL-MDW

2h 11mnonstop

$134Frontier

Find Deal

Sat, Oct 18 - Tue, Oct 21

12:50 pm - 3:40 pmMDW-PHL

1h 50mnonstop

6:05 pm - 7:10 pmPHL-MDW

2h 05mnonstop

$139Southwest

Find Deal

Tue, Sep 23 - Tue, Sep 30

2:40 pm - 5:57 pmORD-PHL

2h 17mnonstop

12:36 pm - 2:06 pmPHL-ORD

2h 30mnonstop

$139American Airlines

Find Deal

Sat, Sep 13 - Sun, Sep 14

11:57 am - 11:47 pmORD-PHL

10h 50m1 stop

10:21 am - 11:58 amPHL-ORD

2h 37mnonstop

$155

Find Deal

Tue, Oct 28 - Sun, Nov 2

10:20 am - 1:15 pmMDW-PHL

1h 55mnonstop

5:45 am - 6:55 amPHL-MDW

2h 10mnonstop

$158Southwest

Find Deal

Sat, Oct 4 - Mon, Oct 6

7:30 am - 10:39 amORD-PHL

2h 09mnonstop

5:06 pm - 6:28 pmPHL-ORD

2h 22mnonstop

$158United Airlines

Find Deal

Mon, Sep 22 - Wed, Sep 24

9:37 pm - 12:45 amORD-PHL

2h 08mnonstop

12:36 pm - 2:06 pmPHL-ORD

2h 30mnonstop

$162American Airlines

Find Deal

Wed, Nov 12 - Mon, Nov 17

10:18 am - 10:05 pmORD-PHL

10h 47m1 stop

6:00 am - 7:26 amPHL-ORD

2h 26mnonstop

$165

Find Deal

Fri, Sep 26 - Mon, Sep 29

9:36 pm - 12:45 amORD-PHL

2h 09mnonstop

6:42 pm - 8:10 pmPHL-ORD

2h 28mnonstop

$177United Airlines

Find Deal

Useful Info

Low season	January
High season	October
Cheapest flight	$73

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 13% lower on average.

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

North Wildwood

West Chester

Vineland

Essington

Elkton

Pottstown

Kennett Square

Willow Grove

Somers Point

Voorhees

Middletown

Glen Mills

Wyomissing

Phoenixville

Millville

Blackwood

Bird in Hand

Springfield

Everything you need to know for your flight to Philadelphia

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

PHL

$73 Find Cheap Flights from Illinois to Philadelphia

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

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

FAQs for booking flights from Illinois 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.

Traveling to a place near Philadelphia?

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Cabin class types available on flights to Illinois

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

Find direct flights for Philadelphia

Flights to other popular destinations

Flights from domestic origins to Philadelphia

Choose which airport to fly into in Philadelphia

Find deals for your return flight