PHL

$89 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 5/13. 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

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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, Apr 15 - Thu, Apr 16
Frontier Logo
6:08 pm - 12:54 am
ORD
-
PHL
5h 46m
1 stop
Frontier Logo
6:29 pm - 8:03 pm
PHL
-
ORD
2h 34mnonstop
$177Frontier
Fri, May 8 - Sun, May 10
Frontier Logo
7:52 pm - 11:18 pm
ORD
-
PHL
2h 26mnonstop
Frontier Logo
5:13 pm - 6:51 pm
PHL
-
ORD
2h 38mnonstop
$178Frontier
Thu, Apr 23 - Sat, Apr 25
Multiple Airlines Logo
1:12 pm - 10:55 pm
ORD
-
PHL
8h 43m
1 stop
Multiple Airlines Logo
6:12 pm - 12:24 am
PHL
-
ORD
7h 12m
1 stop
$182Multiple Airlines
Thu, May 14 - Sun, May 17
Multiple Airlines Logo
7:56 pm - 11:22 pm
ORD
-
PHL
2h 26mnonstop
Multiple Airlines Logo
6:12 pm - 12:27 am
PHL
-
ORD
7h 15m
1 stop
$184Multiple Airlines
Fri, Apr 17 - Mon, Apr 20
Delta Logo
4:20 pm - 12:59 am
BMI
-
PHL
7h 39m
1 stop
Delta Logo
7:03 am - 11:19 am
PHL
-
BMI
5h 16m
1 stop
$309Delta
Wed, May 20 - Fri, May 29
American Airlines Logo
1:22 pm - 8:58 pm
PIA
-
PHL
6h 36m
1 stop
American Airlines Logo
12:07 pm - 4:16 pm
PHL
-
PIA
5h 09m
1 stop
$309American Airlines
Thu, Apr 2 - Sun, Apr 5
United Airlines Logo
8:30 am - 2:16 pm
MLI
-
PHL
4h 46m
1 stop
United Airlines Logo
6:04 am - 9:58 am
PHL
-
MLI
4h 54m
1 stop
$309United Airlines
Sat, Apr 25 - Wed, Apr 29
Delta Logo
5:11 pm - 12:59 am
MLI
-
PHL
6h 48m
1 stop
Delta Logo
6:29 pm - 10:35 pm
PHL
-
MLI
5h 06m
1 stop
$311Delta
Fri, Mar 27 - Sat, Apr 4
American Airlines Logo
7:02 pm - 11:54 pm
PIA
-
PHL
3h 52m
1 stop
American Airlines Logo
5:30 pm - 11:25 pm
PHL
-
PIA
6h 55m
1 stop
$314American Airlines
Wed, May 20 - Sat, May 30
United Airlines Logo
6:30 am - 12:20 pm
PIA
-
PHL
4h 50m
1 stop
United Airlines Logo
6:00 am - 10:10 am
PHL
-
PIA
5h 10m
1 stop
$329United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$89
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 9% 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
Essington
West Chester
Elkton
Pottstown
Willow Grove
Kennett Square
Voorhees
Somers Point
Middletown
Wyomissing
Glen Mills
Phoenixville
Blackwood
Bird in Hand
Millville
Strasburg

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia