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Cheap flights from Illinois to Philadelphia from $37

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 12/12. 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.
8:15 am - 11:18 amMDW-PHL
2h 03mnonstop
12:14 pm - 1:40 pmPHL-MDW
2h 26mnonstop
$63Frontier
Find Deal
Mon, Dec 9 - Mon, Dec 16
4:58 pm - 8:05 pmORD-PHL
2h 07mnonstop
9:10 pm - 10:38 pmPHL-ORD
2h 28mnonstop
$63Frontier
Find Deal
Mon, Dec 9 - Mon, Dec 16
12:36 pm - 3:42 pmMDW-PHL
2h 06mnonstop
11:43 am - 1:09 pmPHL-MDW
2h 26mnonstop
$64Frontier
Find Deal
Thu, Dec 12 - Tue, Dec 17
4:58 pm - 8:05 pmORD-PHL
2h 07mnonstop
10:55 am - 8:15 pmPHL-ORD
10h 20m1 stop
Mon, Dec 9 - Tue, Dec 17
11:51 am - 2:55 pmORD-PHL
2h 04mnonstop
1:37 pm - 3:04 pmPHL-ORD
2h 27mnonstop
$137American Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
4:21 pm - 7:21 pmORD-PHL
2h 00mnonstop
1:41 pm - 3:11 pmPHL-ORD
2h 30mnonstop
$156American Airlines
Find Deal
Wed, Dec 11 - Tue, Dec 17
9:05 am - 12:00 pmMDW-PHL
1h 55mnonstop
6:40 pm - 7:50 pmPHL-MDW
2h 10mnonstop
$157Southwest
Find Deal
Sat, Dec 14 - Mon, Dec 16
6:07 pm - 9:14 pmORD-PHL
2h 07mnonstop
10:55 am - 8:15 pmPHL-ORD
10h 20m1 stop
Fri, Dec 13 - Sat, Dec 14
8:15 pm - 11:10 pmMDW-PHL
1h 55mnonstop
5:15 am - 6:35 amPHL-MDW
2h 20mnonstop
$178Southwest
Find Deal
Fri, Feb 21 - Sun, Feb 23
1:00 pm - 9:52 pmORD-PHL
7h 52m1 stop
10:13 am - 3:40 pmPHL-ORD
6h 27m1 stop
$180JetBlue
Find Deal
Thu, Mar 6 - Sun, Mar 9
12:36 pm - 3:42 pmMDW-PHL
2h 06mnonstop
$37Frontier
Find Deal
Thu, Dec 12
4:58 pm - 8:05 pmORD-PHL
2h 07mnonstop
$37Frontier
Find Deal
Mon, Dec 9
2:26 pm - 5:29 pmORD-PHL
2h 03mnonstop
$66United Airlines
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Tue, Dec 17
9:45 am - 12:49 pmORD-PHL
2h 04mnonstop
$69American Airlines
Find Deal
Tue, Jan 7
8:25 pm - 11:32 pmORD-PHL
2h 07mnonstop
$71American Airlines
Find Deal
Tue, Jan 7
11:00 am - 4:43 pmORD-PHL
4h 43m1 stop
$90JetBlue
Find Deal
Sun, Jan 26
7:45 am - 10:49 amORD-PHL
2h 04mnonstop
$91United Airlines
Find Deal
Thu, Dec 12
6:15 pm - 9:05 pmMDW-PHL
1h 50mnonstop
$91Southwest
Find Deal
Wed, Dec 11
8:30 am - 11:25 amMDW-PHL
1h 55mnonstop
$109Southwest
Find Deal
Wed, Dec 11
1:00 pm - 9:52 pmORD-PHL
7h 52m1 stop
$148JetBlue
Find Deal
Sat, Mar 8
4:48 pm - 5:31 amORD-PHL
11h 43m1 stop
9:10 pm - 10:38 pmPHL-ORD
2h 28mnonstop
$235Frontier
Find Deal
Fri, Nov 29 - Mon, Dec 16
4:48 pm - 5:31 amORD-PHL
11h 43m1 stop
10:59 pm - 10:28 amPHL-ORD
12h 29m1 stop
$284Frontier
Find Deal
Fri, Nov 29 - Mon, Dec 16
6:00 am - 2:09 pmMLI-PHL
7h 09m1 stop
4:51 pm - 10:18 pmPHL-MLI
6h 27m1 stop
$323Delta
Find Deal
Fri, Nov 29 - Wed, Dec 4
6:20 am - 2:55 pmMLI-PHL
7h 35m1 stop
6:25 am - 10:55 amPHL-MLI
5h 30m1 stop
$338American Airlines
Find Deal
Wed, Nov 27 - Sat, Nov 30
1:09 pm - 1:17 amORD-PHL
11h 08m1 stop
4:42 pm - 11:36 pmPHL-ORD
7h 54m1 stop
Wed, Nov 27 - Mon, Dec 2
1:09 pm - 1:17 amORD-PHL
11h 08m1 stop
9:33 pm - 10:32 amPHL-ORD
13h 59m1 stop
$365Spirit Airlines
Find Deal
Wed, Nov 27 - Tue, Dec 3
8:01 pm - 11:07 pmORD-PHL
2h 06mnonstop
9:33 pm - 10:32 amPHL-ORD
13h 59m1 stop
Wed, Nov 27 - Tue, Dec 3
7:49 am - 9:34 pmORD-PHL
12h 45m2 stops
7:27 pm - 8:15 pmPHL-ORD
25h 48m2 stops
$417Spirit Airlines
Find Deal
Fri, Nov 29 - Mon, Dec 16
12:25 pm - 5:30 pmORD-PHL
4h 05m1 stop
6:35 pm - 8:04 pmPHL-ORD
2h 29mnonstop
$577American Airlines
Find Deal
Wed, Nov 27 - Wed, Nov 27
1:30 pm - 7:36 pmMDW-PHL
5h 06m1 stop
6:00 am - 1:37 pmPHL-MDW
8h 37m1 stop
$846Delta
Find Deal
Wed, Nov 27 - Sat, Nov 30
4:58 pm - 8:05 pmORD-PHL
2h 07mnonstop
9:10 pm - 10:38 pmPHL-ORD
2h 28mnonstop
$63Frontier
Find Deal
Mon, Dec 9 - Mon, Dec 16
8:15 am - 11:18 amMDW-PHL
2h 03mnonstop
12:14 pm - 1:40 pmPHL-MDW
2h 26mnonstop
$64Frontier
Find Deal
Mon, Dec 9 - Mon, Dec 16
4:58 pm - 8:05 pmORD-PHL
2h 07mnonstop
9:10 pm - 10:38 pmPHL-ORD
2h 28mnonstop
$64Frontier
Find Deal
Mon, Dec 9 - Mon, Dec 16
12:36 pm - 3:42 pmMDW-PHL
2h 06mnonstop
12:14 pm - 1:40 pmPHL-MDW
2h 26mnonstop
$65Frontier
Find Deal
Thu, Dec 12 - Mon, Dec 16
5:20 pm - 8:19 pmORD-PHL
1h 59mnonstop
10:41 am - 12:12 pmPHL-ORD
2h 31mnonstop
$137American Airlines
Find Deal
Tue, Jan 7 - Wed, Jan 8
4:21 pm - 7:21 pmORD-PHL
2h 00mnonstop
1:41 pm - 3:11 pmPHL-ORD
2h 30mnonstop
$156American Airlines
Find Deal
Wed, Dec 11 - Tue, Dec 17
8:30 am - 11:25 amMDW-PHL
1h 55mnonstop
7:00 am - 8:10 amPHL-MDW
2h 10mnonstop
$207Southwest
Find Deal
Tue, Dec 10 - Fri, Dec 13
7:45 am - 10:49 amORD-PHL
2h 04mnonstop
6:30 am - 7:54 amPHL-ORD
2h 24mnonstop
$219United Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
6:15 pm - 9:25 pmORD-PHL
2h 10mnonstop
1:15 pm - 2:39 pmPHL-ORD
2h 24mnonstop
$226United Airlines
Find Deal
Sat, Dec 14 - Tue, Dec 17
6:15 pm - 9:05 pmMDW-PHL
1h 50mnonstop
6:25 am - 7:55 amPHL-MDW
2h 30mnonstop
$279Southwest
Find Deal
Tue, Dec 10 - Sat, Jan 11

Delta flights from Illinois to Philadelphia

Our best Delta deals on Illinois to Philadelphia flight tickets
Delta
Dec 11
MDW6:00 amChicago Midway
7h 12m
1 stop
PHL2:12 pmPhiladelphia
Dec 17
PHL4:44 pmPhiladelphia
6h 22m
1 stop
MDW10:06 pmChicago Midway
Delta
Dec 10
MDW10:38 amChicago Midway
6h 42m
1 stop
PHL6:20 pmPhiladelphia
Dec 14
PHL6:00 amPhiladelphia
3h 58m
1 stop
MDW8:58 amChicago Midway
Delta
Dec 3
MDW5:00 pmChicago Midway
6h 54m
1 stop
PHL12:54 amPhiladelphia
Dec 10
PHL7:50 amPhiladelphia
5h 08m
1 stop
MDW11:58 amChicago Midway

American Airlines flights from Illinois to Philadelphia

Our best American Airlines deals on Illinois to Philadelphia flight tickets
American Airlines
Jan 18
ORD11:51 amChicago O'Hare Intl
2h 04m
PHL2:55 pmPhiladelphia
Jan 21
PHL1:37 pmPhiladelphia
2h 27m
ORD3:04 pmChicago O'Hare Intl
American Airlines
Dec 11
ORD4:21 pmChicago O'Hare Intl
2h 00m
PHL7:21 pmPhiladelphia
Dec 17
PHL1:41 pmPhiladelphia
2h 30m
ORD3:11 pmChicago O'Hare Intl
American Airlines
Dec 10
ORD12:00 pmChicago O'Hare Intl
2h 01m
PHL3:01 pmPhiladelphia
Jan 11
PHL7:20 amPhiladelphia
2h 25m
ORD8:45 amChicago 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 $126.

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 $165. 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 $173. 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 $202.

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?

Most flyers found that booking tickets 49 days in advance of their planned departure date is the best time to get cheap flights to Philadelphia. During this timeframe, flight prices are around $193. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Illinois for as low as $93 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.

Can stopping save me money on Illinois to Philadelphia flights?

You could potentially save up to 120% on your flight if you consider stops on a Illinois to Philadelphia flight.

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

$37

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 $37. The best round-trip flight deal from Illinois to Philadelphia found on momondo in the last 72 hours is $63.
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
6.1
3,524 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $74Free CancellationRating
6.3
8,173 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $138Free CancellationRating
7.4
9,153 reviews
Search United Airlines flights
SouthwestPriceFrom $138Free CancellationRating
8.1
4,982 reviews
Search Southwest flights
American AirlinesPriceFrom $138Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
8,736 reviews
Search Delta flights

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.


An easier way to manage your Philadelphia trip

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