PHL

$61 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 12/9. 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, 0 bags

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Everything you should know

Cheapest round-trip
$107
Overall average: $274
Frontier
Wed 12/31Thu 1/1
ORD - PHL • Non-stop
Cheapest non-stop
$108
Typical prices: $222-$447
Frontier
Wed 12/24Thu 1/8
ORD - PHL • Non-stop
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We hope you love your trip to Philadelphia!
Flight Deals
Useful Info
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

Wed, Dec 31 - Thu, Jan 1
Frontier Logo
2:15 pm - 5:30 pmORD-PHL
2h 15mnonstop
Frontier Logo
5:30 am - 3:02 pmPHL-ORD
10h 32m1 stop
$107Frontier
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Wed, Dec 24 - Thu, Jan 8
Frontier Logo
2:15 pm - 5:30 pmORD-PHL
2h 15mnonstop
Frontier Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$108Frontier
Find Deal
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
11:20 am - 2:31 pmORD-PHL
2h 11mnonstop
United Airlines Logo
1:10 pm - 2:40 pmPHL-ORD
2h 30mnonstop
$109United Airlines
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Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
9:34 am - 12:49 pmORD-PHL
2h 15mnonstop
Multiple Airlines Logo
6:11 pm - 11:22 amPHL-ORD
18h 11m1 stop
$110Multiple Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
Frontier Logo
6:00 am - 3:01 pmORD-PHL
8h 01m1 stop
Frontier Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$111Frontier
Find Deal
Sat, Jan 31 - Mon, Feb 2
Spirit Airlines Logo
5:15 am - 8:01 pmORD-PHL
13h 46m1 stop
Spirit Airlines Logo
8:20 am - 9:03 pmPHL-ORD
13h 43m1 stop
$112Spirit Airlines
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Wed, Dec 31 - Thu, Jan 8
Multiple Airlines Logo
2:15 pm - 5:30 pmORD-PHL
2h 15mnonstop
Multiple Airlines Logo
9:52 am - 6:16 pmPHL-ORD
9h 24m1 stop
$113Multiple Airlines
Find Deal
Wed, Dec 31 - Wed, Jan 7
United Airlines Logo
6:15 pm - 9:31 pmORD-PHL
2h 16mnonstop
United Airlines Logo
1:10 pm - 2:40 pmPHL-ORD
2h 30mnonstop
$115United Airlines
Find Deal
Thu, Jan 8 - Sat, Jan 10
Southwest Logo
5:30 pm - 8:20 pmMDW-PHL
1h 50mnonstop
Southwest Logo
4:15 pm - 5:30 pmPHL-MDW
2h 15mnonstop
$134Southwest
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Fri, Jan 30 - Wed, Feb 4
Southwest Logo
5:30 pm - 8:20 pmMDW-PHL
1h 50mnonstop
Southwest Logo
5:45 pm - 7:00 pmPHL-MDW
2h 15mnonstop
$137Southwest
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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$61
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 8% increase in price.
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
Wyomissing
Glen Mills
Phoenixville
Bird in Hand
Blackwood
Strasburg
Millville

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)