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Cheap flights from Chicago to Philadelphia from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Philadelphia departing on 10/9. 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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0 bags

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Find the cheapest flights from Chicago to Philadelphia

Cheap round-trip flights

Frontier Logo
5:50 am - 12:02 pmORD-PHL
29h 12m1 stop
Frontier Logo
7:10 pm - 8:48 pmPHL-ORD
2h 38mnonstop
$115Frontier
Find Deal
dom., oct. 12 - sáb., oct. 18
Frontier Logo
5:52 pm - 8:53 pmMDW-PHL
2h 01mnonstop
Frontier Logo
9:48 pm - 11:03 pmPHL-MDW
2h 15mnonstop
$116Frontier
Find Deal
vie., oct. 24 - lun., oct. 27
Frontier Logo
6:50 pm - 10:10 pmORD-PHL
2h 20mnonstop
Frontier Logo
4:10 pm - 5:40 pmPHL-ORD
2h 30mnonstop
$116Frontier
Find Deal
jue., oct. 23 - lun., oct. 27
Frontier Logo
6:10 am - 9:25 amORD-PHL
2h 15mnonstop
Frontier Logo
12:30 pm - 7:44 pmPHL-ORD
8h 14m1 stop
$117Frontier
Find Deal
lun., sep. 29 - lun., sep. 29
Southwest Logo
5:35 pm - 8:30 pmMDW-PHL
1h 55mnonstop
Southwest Logo
6:05 pm - 7:10 pmPHL-MDW
2h 05mnonstop
$139Southwest
Find Deal
sáb., oct. 18 - mar., oct. 21
United Airlines Logo
8:45 am - 11:56 amORD-PHL
2h 11mnonstop
United Airlines Logo
6:30 am - 7:52 amPHL-ORD
2h 22mnonstop
$139United Airlines
Find Deal
sáb., oct. 18 - mar., oct. 21
Southwest Logo
9:15 pm - 12:10 amMDW-PHL
1h 55mnonstop
Southwest Logo
5:25 am - 6:30 amPHL-MDW
2h 05mnonstop
$158Southwest
Find Deal
vie., oct. 17 - mar., oct. 21
United Airlines Logo
9:36 pm - 12:45 amORD-PHL
2h 09mnonstop
United Airlines Logo
1:05 pm - 2:27 pmPHL-ORD
2h 22mnonstop
$158United Airlines
Find Deal
vie., oct. 17 - mar., oct. 21
Multiple Airlines Logo
3:27 pm - 6:38 pmORD-PHL
2h 11mnonstop
Multiple Airlines Logo
10:46 am - 5:04 pmPHL-ORD
7h 18m1 stop
$160Multiple Airlines
Find Deal
vie., dic. 12 - lun., dic. 15
Multiple Airlines Logo
6:00 am - 12:53 pmORD-PHL
5h 53m1 stop
Multiple Airlines Logo
4:04 pm - 5:34 pmPHL-ORD
2h 30mnonstop
$163Multiple Airlines
Find Deal
mié., oct. 8 - dom., oct. 12

Frontier flights from Chicago to Philadelphia

Our best Frontier deals on Chicago to Philadelphia flight tickets
Frontier
Oct 12
ORD5:50 amChicago O'Hare Intl
29h 12m
1 stop
PHL12:02 pmPhiladelphia
Oct 18
PHL7:10 pmPhiladelphia
2h 38m
ORD8:48 pmChicago O'Hare Intl
$115
Find similar
Frontier
Oct 24
MDW5:52 pmChicago Midway
2h 01m
PHL8:53 pmPhiladelphia
Oct 27
PHL9:48 pmPhiladelphia
2h 15m
MDW11:03 pmChicago Midway
$116
Find similar
Frontier
Sep 29
ORD6:10 amChicago O'Hare Intl
2h 15m
PHL9:25 amPhiladelphia
Sep 29
PHL12:30 pmPhiladelphia
8h 14m
1 stop
ORD7:44 pmChicago O'Hare Intl
$117
Find similar

Southwest flights from Chicago to Philadelphia

Our best Southwest deals on Chicago to Philadelphia flight tickets
Southwest
Oct 18
MDW5:35 pmChicago Midway
1h 55m
PHL8:30 pmPhiladelphia
Oct 21
PHL6:05 pmPhiladelphia
2h 05m
MDW7:10 pmChicago Midway
$139
Find similar
Southwest
Oct 17
MDW9:15 pmChicago Midway
1h 55m
PHL12:10 amPhiladelphia
Oct 21
PHL5:25 amPhiladelphia
2h 05m
MDW6:30 amChicago Midway
$158
Find similar
Southwest
Oct 14
MDW2:50 pmChicago Midway
1h 55m
PHL5:45 pmPhiladelphia
Oct 15
PHL5:25 amPhiladelphia
2h 05m
MDW6:30 amChicago Midway
$159
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Chicago to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dom. 10/12

5:50 am-12:02 pm

1 stop29h 12m

Philadelphia

sáb. 10/18

7:10 pm-8:48 pm

Nonstop2h 38m

$115

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

vie. 10/24

5:52 pm-8:53 pm

Nonstop2h 01m

Philadelphia

lun. 10/27

9:48 pm-11:03 pm

Nonstop2h 15m

$116

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

jue. 10/23

6:50 pm-10:10 pm

Nonstop2h 20m

Philadelphia

lun. 10/27

4:10 pm-5:40 pm

Nonstop2h 30m

$116

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

lun. 9/29

6:10 am-9:25 am

Nonstop2h 15m

Philadelphia

lun. 9/29

12:30 pm-7:44 pm

1 stop8h 14m

$117

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

sáb. 10/18

5:35 pm-8:30 pm

Nonstop1h 55m

Philadelphia

mar. 10/21

6:05 pm-7:10 pm

Nonstop2h 05m

$139

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

sáb. 10/18

8:45 am-11:56 am

Nonstop2h 11m

Philadelphia

mar. 10/21

6:30 am-7:52 am

Nonstop2h 22m

$139

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

vie. 10/17

9:15 pm-12:10 am

Nonstop1h 55m

Philadelphia

mar. 10/21

5:25 am-6:30 am

Nonstop2h 05m

$158

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

vie. 10/17

9:36 pm-12:45 am

Nonstop2h 09m

Philadelphia

mar. 10/21

1:05 pm-2:27 pm

Nonstop2h 22m

$158

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

vie. 12/12

3:27 pm-6:38 pm

Nonstop2h 11m

Philadelphia

lun. 12/15

10:46 am-5:04 pm

1 stop7h 18m

$160

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

mié. 10/8

6:00 am-12:53 pm

1 stop5h 53m

Philadelphia

dom. 10/12

4:04 pm-5:34 pm

Nonstop2h 30m

$163

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Philadelphia?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Chicago is in October. Flight prices, which tend to average around $161, 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 Chicago averaging around $185.

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

The cheapest day to depart from Chicago to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $264. On the other hand, Sunday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $379.

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 in the evening. momondo users have found flights departing from Chicago to Philadelphia in the evening for as low as $237. 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 $384.

What is the cheapest Chicago to Philadelphia flight route?

Fly from Chicago Midway to Philadelphia for the best Chicago - 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 Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $272 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Chicago for as low as $208 on momondo.

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

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

How have Chicago to Philadelphia flight prices changed over time?

As of September 2025, prices for Chicago to Philadelphia flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Philadelphia (CHI to PHL) flight deals and tips

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

Best Price Found

$89

Fastest flight time

1h 50m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Chicago in the past 72 hours is $89. The best round-trip flight deal from Chicago to Philadelphia found on momondo in the last 72 hours is $152.
The fastest flight from Chicago to Philadelphia takes 1h 50m
Direct flights go from Chicago to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • How far is Chicago to Philadelphia by plane?

    The straight-line distance from Chicago to Philadelphia is 663.6 mi. By plane, this route typically takes 1h 55m.

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

    Prices for flights from Chicago to Philadelphia Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Philadelphia Airport.

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

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • What is the most popular airline from Chicago to Philadelphia?

Best airlines flying from Chicago to Philadelphia

Compare and see reviews for airlines that fly from Chicago to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $63Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $64Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $108Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $156Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $172Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Chicago to Philadelphia

    Across 26 Southwest flights from Chicago to Philadelphia this week, the average price was $302, with the best Southwest deals starting from $172 round-trip. 4,242 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Chicago to Philadelphia

    $156 is the best United Airlines flight deal from Chicago to Philadelphia found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $333, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,926 user reviews) flies into Philadelphia from Chicago 34 times in an average week so prices can vary.

Traveling to a place near Philadelphia?

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

Why use momondo?

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

Finding the right flight to Philadelphia from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Philadelphia from Chicago with this policy.

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

momondo helps you find the best flight between Chicago and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Chicago to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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1 adult
vie. 10/17
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