PHL

$76 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 3/10. 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

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

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Everything you should know

Cheapest round-trip
$109
Overall average: $297
Multiple Airlines
Thu 4/30Tue 5/5
ORD - PHL • Non-stop
Cheapest non-stop
$107
Typical prices: $207-$350
Frontier
Thu 5/7Mon 5/11
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

Thu, Apr 30 - Tue, May 5
Multiple Airlines Logo
2:20 pm - 5:34 pm
ORD
-
PHL
2h 14mnonstop
Multiple Airlines Logo
6:47 am - 9:17 pm
PHL
-
ORD
15h 30m
1 stop
$109Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:10 pm - 8:39 am
ORD
-
PHL
13h 29m
1 stop
Multiple Airlines Logo
6:34 pm - 8:08 pm
PHL
-
ORD
2h 34mnonstop
$112Multiple Airlines
Thu, Apr 30 - Mon, May 4
Frontier Logo
4:28 pm - 12:54 am
ORD
-
PHL
7h 26m
1 stop
Frontier Logo
6:34 pm - 8:08 pm
PHL
-
ORD
2h 34mnonstop
$113Frontier
Sat, May 2 - Mon, May 4
Frontier Logo
1:27 pm - 11:10 pm
ORD
-
PHL
8h 43m
1 stop
Frontier Logo
6:34 pm - 8:08 pm
PHL
-
ORD
2h 34mnonstop
$117Frontier
Sat, Mar 21 - Sat, Mar 28
United Airlines Logo
9:15 pm - 12:16 am
ORD
-
PHL
2h 01mnonstop
United Airlines Logo
6:30 am - 8:00 am
PHL
-
ORD
2h 30mnonstop
$123United Airlines
Sat, Apr 18 - Wed, Apr 22
Southwest Logo
7:40 am - 10:35 am
MDW
-
PHL
1h 55mnonstop
Southwest Logo
2:00 pm - 3:10 pm
PHL
-
MDW
2h 10mnonstop
$162Southwest
Tue, Apr 14 - Fri, Apr 17
Southwest Logo
7:55 am - 10:50 am
MDW
-
PHL
1h 55mnonstop
Southwest Logo
6:00 pm - 7:10 pm
PHL
-
MDW
2h 10mnonstop
$177Southwest
Sat, Apr 11 - Wed, Apr 15
Delta Logo
6:34 pm - 11:00 pm
MDW
-
PHL
3h 26m
1 stop
Delta Logo
6:00 am - 8:47 am
PHL
-
MDW
3h 47m
1 stop
$187Delta
Tue, Apr 14 - Wed, Apr 22
Delta Logo
5:12 pm - 12:59 am
MLI
-
PHL
6h 47m
1 stop
Delta Logo
10:31 am - 4:28 pm
PHL
-
MLI
6h 57m
1 stop
$251Delta
Fri, Mar 13 - Fri, Mar 20
United Airlines Logo
5:25 pm - 12:16 am
PIA
-
PHL
5h 51m
1 stop
United Airlines Logo
5:10 pm - 10:20 pm
PHL
-
PIA
6h 10m
1 stop
$269United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$76
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Chicago O'Hare 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
Essington
West Chester
Elkton
Pottstown
Willow Grove
Kennett Square
Voorhees
Somers Point
Middletown
Wyomissing
Glen Mills
Phoenixville
Bird in Hand
Blackwood
Millville
Strasburg

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)