PHL

$69 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 10/9. 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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Flight 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

Sun, Oct 12 - Sat, Oct 18
Frontier Logo
5:50 am - 12:02 pmORD-PHL
29h 12m1 stop
Frontier Logo
7:10 pm - 8:48 pmPHL-ORD
2h 38mnonstop
$115Frontier
Find Deal
Fri, Oct 24 - Mon, Oct 27
Frontier Logo
5:52 pm - 8:53 pmMDW-PHL
2h 01mnonstop
Frontier Logo
9:48 pm - 11:03 pmPHL-MDW
2h 15mnonstop
$116Frontier
Find Deal
Thu, Oct 23 - Mon, Oct 27
Frontier Logo
6:50 pm - 10:10 pmORD-PHL
2h 20mnonstop
Frontier Logo
4:10 pm - 5:40 pmPHL-ORD
2h 30mnonstop
$116Frontier
Find Deal
Sat, Oct 18 - Tue, Oct 21
Southwest Logo
5:35 pm - 8:30 pmMDW-PHL
1h 55mnonstop
Southwest Logo
6:05 pm - 7:10 pmPHL-MDW
2h 05mnonstop
$139Southwest
Find Deal
Sat, Oct 25 - Tue, Oct 28
United Airlines Logo
2:15 pm - 5:35 pmORD-PHL
2h 20mnonstop
United Airlines Logo
10:05 am - 11:25 amPHL-ORD
2h 20mnonstop
$139United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
Southwest Logo
6:30 am - 9:25 amMDW-PHL
1h 55mnonstop
Southwest Logo
6:05 pm - 7:10 pmPHL-MDW
2h 05mnonstop
$158Southwest
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
9:36 pm - 12:45 amORD-PHL
2h 09mnonstop
United Airlines Logo
1:05 pm - 2:27 pmPHL-ORD
2h 22mnonstop
$158United Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
Multiple Airlines Logo
3:27 pm - 6:38 pmORD-PHL
2h 11mnonstop
Multiple Airlines Logo
10:46 am - 5:04 pmPHL-ORD
7h 18m1 stop
$160Multiple Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 2
Multiple Airlines Logo
6:44 pm - 9:46 amORD-PHL
14h 02m1 stop
Multiple Airlines Logo
6:37 pm - 11:39 pmPHL-ORD
6h 02m1 stop
$170Multiple Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
Spirit Airlines Logo
12:20 pm - 12:32 amSTL-PHL
11h 12m1 stop
Spirit Airlines Logo
5:15 am - 11:01 amPHL-STL
6h 46m1 stop
$190Spirit Airlines
Find Deal

Everything you should know

Cheapest round-trip
$115
Overall average: $168
Frontier
Sun 10/12Sat 10/18
ORD - PHL • 1 stop
Cheapest non-stop
$116
Typical prices: $119-372
Frontier
Fri 10/24Mon 10/27
MDW - PHL • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$69
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 11% 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
Wildwood Crest
Newark
North Wildwood
Vineland
West Chester
Essington
Elkton
Pottstown
Willow Grove
Kennett Square
Somers Point
Voorhees
Middletown
Glen Mills
Wyomissing
Phoenixville
Bird in Hand
Blackwood
Millville
Springfield

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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