PHL

$57 Find Cheap Flights from Illinois to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Philadelphia departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flights Deals

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.

Recent round-trip flight deals from Illinois to Philadelphia

Fri, Jul 11 - Mon, Jul 14
Frontier Logo
6:40 pm - 9:45 pmMDW-PHL
2h 05mnonstop
Frontier Logo
10:38 pm - 11:51 pmPHL-MDW
2h 13mnonstop
$106Frontier
Find Deal
Fri, Jul 11 - Mon, Jul 21
Frontier Logo
6:40 pm - 9:45 pmMDW-PHL
2h 05mnonstop
Frontier Logo
10:38 pm - 11:51 pmPHL-MDW
2h 13mnonstop
$108Frontier
Find Deal
Wed, Aug 20 - Wed, Aug 20
American Airlines Logo
11:45 am - 2:50 pmORD-PHL
2h 05mnonstop
American Airlines Logo
3:50 pm - 5:20 pmPHL-ORD
2h 30mnonstop
$134American Airlines
Find Deal
Wed, Aug 13 - Sat, Aug 16
American Airlines Logo
9:11 pm - 12:24 amORD-PHL
2h 13mnonstop
American Airlines Logo
6:00 am - 7:25 amPHL-ORD
2h 25mnonstop
$139American Airlines
Find Deal
Sat, Aug 9 - Tue, Aug 12
Southwest Logo
1:05 pm - 4:05 pmMDW-PHL
2h 00mnonstop
Southwest Logo
6:30 am - 7:30 amPHL-MDW
2h 00mnonstop
$139Southwest
Find Deal
Mon, Jul 21 - Sun, Jul 27
Spirit Airlines Logo
10:47 am - 10:26 pmSTL-PHL
10h 39m1 stop
Spirit Airlines Logo
7:00 am - 9:52 amPHL-STL
3h 52m1 stop
$155Spirit Airlines
Find Deal
Wed, Aug 20 - Fri, Aug 22
Southwest Logo
7:00 am - 9:55 amMDW-PHL
1h 55mnonstop
Southwest Logo
5:55 am - 7:00 amPHL-MDW
2h 05mnonstop
$158Southwest
Find Deal
Fri, Aug 8 - Tue, Aug 12
United Airlines Logo
9:23 pm - 12:30 amORD-PHL
2h 07mnonstop
United Airlines Logo
8:15 am - 9:39 amPHL-ORD
2h 24mnonstop
$159United Airlines
Find Deal
Thu, Jul 24 - Fri, Jul 25
Spirit Airlines Logo
10:47 am - 10:26 pmSTL-PHL
10h 39m1 stop
Spirit Airlines Logo
7:00 am - 9:52 amPHL-STL
3h 52m1 stop
$167Spirit Airlines
Find Deal
Tue, Aug 5 - Sat, Aug 9
United Airlines Logo
7:35 am - 10:47 amORD-PHL
2h 12mnonstop
United Airlines Logo
8:15 am - 9:39 amPHL-ORD
2h 24mnonstop
$234United Airlines
Find Deal
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Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$57
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Chicago Midway Airport to Philadelphia

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?

Book flights to Philadelphia if you plan to visit one of these locations
Newark

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)

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