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Cheap flights from Illinois to Philadelphia from $34

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Philadelphia departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Philadelphia

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Philadelphia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Philadelphia.

Cheap last minute flights

Planning a quick getaway from Illinois to Philadelphia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Philadelphia, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Philadelphia

Find recent round-trip train or bus tickets from Illinois to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
7:25 am - 9:25 pmMDW-PHL
13h 00m1 stop
6:00 am - 3:13 pmPHL-MDW
10h 13m1 stop
$109Frontier
Find Deal
Wed, Mar 5 - Thu, Mar 6
10:33 am - 7:05 pmORD-PHL
7h 32m1 stop
10:18 pm - 9:52 amPHL-ORD
12h 34m1 stop
$109Frontier
Find Deal
Thu, Jan 30 - Sat, Feb 1
2:02 pm - 10:16 pmORD-PHL
7h 14m1 stop
10:18 pm - 9:52 amPHL-ORD
12h 34m1 stop
Wed, Feb 5 - Sat, Feb 8
2:02 pm - 10:16 pmORD-PHL
7h 14m1 stop
4:42 pm - 10:27 pmPHL-ORD
6h 45m1 stop
Tue, Feb 4 - Thu, Feb 6
2:02 pm - 10:16 pmORD-PHL
7h 14m1 stop
6:00 am - 12:29 pmPHL-ORD
7h 29m1 stop
$154Spirit Airlines
Find Deal
Wed, Jan 29 - Wed, Feb 5
2:02 pm - 10:16 pmORD-PHL
7h 14m1 stop
6:00 am - 12:29 pmPHL-ORD
7h 29m1 stop
$157Spirit Airlines
Find Deal
Sat, Feb 1 - Wed, Feb 5
6:25 pm - 9:20 pmMDW-PHL
1h 55mnonstop
6:35 am - 7:45 amPHL-MDW
2h 10mnonstop
$177Southwest
Find Deal
Tue, Apr 15 - Wed, Apr 16
2:15 pm - 5:25 pmORD-PHL
2h 10mnonstop
9:31 am - 10:55 amPHL-ORD
2h 24mnonstop
$177United Airlines
Find Deal
Tue, Apr 15 - Wed, Apr 16
11:25 am - 2:15 pmMDW-PHL
1h 50mnonstop
6:20 pm - 7:35 pmPHL-MDW
2h 15mnonstop
$181Southwest
Find Deal
Sat, Feb 8 - Tue, Feb 11
3:59 pm - 9:40 pmMLI-PHL
4h 41m1 stop
5:10 pm - 9:09 pmPHL-MLI
4h 59m1 stop
$199United Airlines
Find Deal
Wed, Jan 29 - Tue, Feb 4
2:36 pm - 5:36 pmMDW-PHL
2h 00mnonstop
$34Frontier
Find Deal
Tue, Apr 1
2:36 pm - 5:36 pmMDW-PHL
2h 00mnonstop
$43Frontier
Find Deal
Tue, Apr 15
6:15 am - 2:40 pmORD-PHL
7h 25m1 stop
$63Spirit Airlines
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Tue, May 6
5:15 am - 7:04 pmORD-PHL
12h 49m2 stops
$71Spirit Airlines
Find Deal
Wed, Feb 12
6:25 pm - 9:20 pmMDW-PHL
1h 55mnonstop
$89Southwest
Find Deal
Tue, Apr 22
11:10 am - 2:18 pmORD-PHL
2h 08mnonstop
$89United Airlines
Find Deal
Wed, Apr 16
8:25 pm - 11:32 pmORD-PHL
2h 07mnonstop
$91American Airlines
Find Deal
Tue, Feb 4
7:00 am - 2:10 pmORD-PHL
6h 10m1 stop
$99United Airlines
Find Deal
Wed, Apr 23
8:15 am - 11:15 amMDW-PHL
2h 00mnonstop
$109Southwest
Find Deal
Wed, Apr 16
6:00 am - 9:07 amSTL-PHL
2h 07mnonstop
$169American Airlines
Find Deal
Tue, Apr 1
3:56 pm - 9:57 amORD-PHL
17h 01m1 stop
10:05 pm - 5:55 amPHL-ORD
32h 50m2 stops
$239Spirit Airlines
Find Deal
Tue, Jan 21 - Fri, Jan 24
7:00 am - 9:57 amORD-PHL
25h 57m2 stops
10:05 pm - 5:55 amPHL-ORD
32h 50m2 stops
$250Spirit Airlines
Find Deal
Tue, Jan 21 - Fri, Jan 24
7:15 am - 8:48 pmMDW-PHL
12h 33m1 stop
10:18 pm - 10:02 amPHL-MDW
12h 44m1 stop
$289Frontier
Find Deal
Sun, Jan 19 - Sat, Jan 25
7:25 am - 8:48 pmORD-PHL
12h 23m1 stop
10:18 pm - 9:52 amPHL-ORD
12h 34m1 stop
$289Frontier
Find Deal
Sun, Jan 19 - Sat, Jan 25
5:05 pm - 7:59 amSTL-PHL
13h 54m1 stop
6:08 am - 2:43 pmPHL-STL
9h 35m1 stop
Sat, Jan 18 - Tue, Jan 21
2:02 pm - 10:16 pmORD-PHL
7h 14m1 stop
5:30 am - 1:55 pmPHL-ORD
9h 25m1 stop
Sat, Jan 18 - Sun, Jan 19
8:05 am - 1:33 pmORD-PHL
4h 28m1 stop
3:55 pm - 5:24 pmPHL-ORD
2h 29mnonstop
$422American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 21
8:05 am - 1:33 pmORD-PHL
4h 28m1 stop
3:55 pm - 5:24 pmPHL-ORD
2h 29mnonstop
$477American Airlines
Find Deal
Mon, Jan 20 - Mon, Jan 20
8:35 am - 11:30 amMDW-PHL
1h 55mnonstop
7:05 pm - 8:25 pmPHL-MDW
2h 20mnonstop
$523Southwest
Find Deal
Fri, Jan 17 - Thu, Feb 20
5:55 am - 1:20 pmMDW-PHL
6h 25m1 stop
1:30 pm - 2:45 pmPHL-MDW
2h 15mnonstop
$533Southwest
Find Deal
Fri, Jan 17 - Thu, Feb 20
2:36 pm - 5:36 pmMDW-PHL
2h 00mnonstop
6:31 pm - 7:51 pmPHL-MDW
2h 20mnonstop
$68Frontier
Find Deal
Tue, Apr 1 - Tue, Apr 8
2:44 pm - 5:55 pmMDW-PHL
2h 11mnonstop
12:32 pm - 1:46 pmPHL-MDW
2h 14mnonstop
$143Frontier
Find Deal
Sat, Apr 26 - Mon, Apr 28
2:44 pm - 5:55 pmMDW-PHL
2h 11mnonstop
12:32 pm - 1:46 pmPHL-MDW
2h 14mnonstop
$150Frontier
Find Deal
Fri, Apr 25 - Mon, Apr 28
4:30 pm - 7:28 pmMDW-PHL
1h 58mnonstop
8:23 pm - 9:40 pmPHL-MDW
2h 17mnonstop
$166Frontier
Find Deal
Thu, Apr 10 - Sun, Apr 13
11:53 am - 2:55 pmORD-PHL
2h 02mnonstop
4:13 pm - 5:36 pmPHL-ORD
2h 23mnonstop
$172American Airlines
Find Deal
Wed, Apr 16 - Wed, Apr 16
2:36 pm - 5:43 pmORD-PHL
2h 07mnonstop
4:13 pm - 5:36 pmPHL-ORD
2h 23mnonstop
$177American Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
6:25 pm - 9:20 pmMDW-PHL
1h 55mnonstop
6:35 am - 7:45 amPHL-MDW
2h 10mnonstop
$177Southwest
Find Deal
Tue, Apr 15 - Wed, Apr 16
12:25 pm - 3:15 pmMDW-PHL
1h 50mnonstop
12:45 pm - 2:00 pmPHL-MDW
2h 15mnonstop
$181Southwest
Find Deal
Wed, Feb 5 - Sat, Feb 8
7:45 am - 10:50 amORD-PHL
2h 05mnonstop
5:10 pm - 6:41 pmPHL-ORD
2h 31mnonstop
$200United Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
2:25 pm - 5:25 pmORD-PHL
2h 00mnonstop
6:30 am - 8:01 amPHL-ORD
2h 31mnonstop
$219United Airlines
Find Deal
Thu, Feb 13 - Sat, Feb 15

Southwest flights from Illinois to Philadelphia

Our best Southwest deals on Illinois to Philadelphia flight tickets
Southwest
Apr 15
MDW6:25 pmChicago Midway
1h 55m
PHL9:20 pmPhiladelphia
Apr 16
PHL6:35 amPhiladelphia
2h 10m
MDW7:45 amChicago Midway
Southwest
Feb 8
MDW11:25 amChicago Midway
1h 50m
PHL2:15 pmPhiladelphia
Feb 11
PHL6:20 pmPhiladelphia
2h 15m
MDW7:35 pmChicago Midway
Southwest
Feb 8
MDW11:25 amChicago Midway
1h 50m
PHL2:15 pmPhiladelphia
Feb 10
PHL7:05 pmPhiladelphia
2h 20m
MDW8:25 pmChicago Midway

United Airlines flights from Illinois to Philadelphia

Our best United Airlines deals on Illinois to Philadelphia flight tickets
United Airlines
Apr 15
ORD2:15 pmChicago O'Hare Intl
2h 10m
PHL5:25 pmPhiladelphia
Apr 16
PHL9:31 amPhiladelphia
2h 24m
ORD10:55 amChicago O'Hare Intl
United Airlines
Jan 29
MLI3:59 pmMoline Quad-City
4h 41m
1 stop
PHL9:40 pmPhiladelphia
Feb 4
PHL5:10 pmPhiladelphia
4h 59m
1 stop
MLI9:09 pmMoline Quad-City
United Airlines
Mar 1
ORD2:25 pmChicago O'Hare Intl
2h 00m
PHL5:25 pmPhiladelphia
Mar 5
PHL5:00 pmPhiladelphia
2h 30m
ORD6:30 pmChicago O'Hare Intl

See travel insights to Philadelphia from

How to get the cheapest flight ticket from Illinois to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Illinois is in August. Flight prices, which tend to average around $117, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Illinois averaging around $128.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Illinois to Philadelphia is on a Saturday. Travelers who choose to depart for Philadelphia on a Saturday will often find tickets for as low as $163. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $238.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from Illinois to Philadelphia at noon for as low as $170. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $200.

What is the cheapest Illinois to Philadelphia flight route?

Fly from Chicago Midway to Philadelphia for the best Illinois - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Illinois when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $237 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Illinois for as low as $170 on momondo.

What cabin class options are available on Illinois to Philadelphia flights?

There are 4 cabin classes available to choose from on Illinois to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Philadelphia

Best Price Found

$34

Fastest flight time

1h 50m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Illinois in the past 72 hours is $34. The best round-trip flight deal from Illinois to Philadelphia found on momondo in the last 72 hours is $109.
The fastest flight from Illinois to Philadelphia takes 1h 50m
Direct flights go from Illinois to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • When did momondo last update prices for flights from Illinois to Philadelphia Airport?

    Prices for flights from Illinois to Philadelphia Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Philadelphia Airport?

  • How old do you have to be to fly from Illinois to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The required travel and health documents for your Philadelphia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Philadelphia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Philadelphia?


Best airlines flying from Illinois to Philadelphia

Compare and see reviews for airlines that fly from Illinois to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $50Free CancellationRating
6.0
3,435 reviews
Search Frontier flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,964 reviews
Search United Airlines flights
American AirlinesPriceFrom $138Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $159Free CancellationRating
8.1
4,659 reviews
Search Southwest flights
DeltaPriceFrom $176Free CancellationRating
8.0
8,511 reviews
Search Delta flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
Reading
King of Prussia
Newark
Dover
Dewey Beach
Cherry Hill
North Wildwood
Lewes
Exton
New Castle
Vineland
Pottstown
West Chester
Essington
Avalon

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Philadelphia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Philadelphia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Philadelphia from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Philadelphia.

I’m not ready to book a flight from Illinois to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Illinois and alert you when they change.


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