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Cheap flights from Chicago O'Hare Intl Airport to Philadelphia from $61

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 O'Hare Intl Airport to Philadelphia departing on 1/16. 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 O'Hare Intl Airport to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:20 pm - 9:17 amORD-PHL
16h 57m1 stop
Multiple Airlines Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$108Multiple Airlines
Find Deal
Sun, Dec 14 - Mon, Jan 12
Frontier Logo
8:00 am - 4:52 pmORD-PHL
7h 52m1 stop
Frontier Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$109Frontier
Find Deal
Wed, Dec 17 - Mon, Jan 12
Frontier Logo
1:24 pm - 12:41 amORD-PHL
10h 17m1 stop
Frontier Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$110Frontier
Find Deal
Sat, Dec 13 - Mon, Jan 12
Multiple Airlines Logo
3:26 pm - 11:16 pmORD-PHL
6h 50m1 stop
Multiple Airlines Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$111Multiple Airlines
Find Deal
Sat, Dec 13 - Sun, Jan 11
Frontier Logo
12:39 pm - 7:31 pmORD-PHL
5h 52m1 stop
Frontier Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$112Frontier
Find Deal
Mon, Jan 5 - Mon, Jan 12
Spirit Airlines Logo
7:10 am - 2:44 pmORD-PHL
6h 34m1 stop
Spirit Airlines Logo
4:00 pm - 12:09 amPHL-ORD
9h 09m1 stop
$113Spirit Airlines
Find Deal
Tue, Dec 9 - Sat, Dec 13
Frontier Logo
5:50 am - 6:44 pmORD-PHL
11h 54m1 stop
Frontier Logo
12:42 pm - 2:22 pmPHL-ORD
2h 40mnonstop
$114Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
2:18 pm - 12:02 amORD-PHL
8h 44m1 stop
Frontier Logo
11:10 am - 12:40 pmPHL-ORD
2h 30mnonstop
$115Frontier
Find Deal
Thu, Dec 4 - Fri, Dec 5
Multiple Airlines Logo
7:10 am - 2:44 pmORD-PHL
6h 34m1 stop
Multiple Airlines Logo
12:23 pm - 8:30 pmPHL-ORD
9h 07m1 stop
$116Multiple Airlines
Find Deal
Tue, Dec 16 - Thu, Jan 8
Spirit Airlines Logo
5:00 am - 2:44 pmORD-PHL
8h 44m1 stop
Spirit Airlines Logo
4:00 pm - 12:09 amPHL-ORD
9h 09m1 stop
$118Spirit Airlines
Find Deal
Tue, Dec 9 - Sat, Dec 13

Frontier flights from Chicago O'Hare Intl Airport to Philadelphia

Our best Frontier deals on Chicago O'Hare Intl Airport to Philadelphia flight tickets
Frontier
Dec 3
ORD8:00 amChicago O'Hare Intl
7h 52m
1 stop
PHL4:52 pmPhiladelphia
Dec 9
PHL12:20 pmPhiladelphia
7h 26m
1 stop
ORD6:46 pmChicago O'Hare Intl
$109
Find similar
Frontier
Dec 13
ORD1:24 pmChicago O'Hare Intl
10h 17m
1 stop
PHL12:41 amPhiladelphia
Jan 12
PHL12:42 pmPhiladelphia
2h 40m
ORD2:22 pmChicago O'Hare Intl
$110
Find similar
Frontier
Jan 5
ORD12:39 pmChicago O'Hare Intl
5h 52m
1 stop
PHL7:31 pmPhiladelphia
Jan 12
PHL12:42 pmPhiladelphia
2h 40m
ORD2:22 pmChicago O'Hare Intl
$112
Find similar

American Airlines flights from Chicago O'Hare Intl Airport to Philadelphia

Our best American Airlines deals on Chicago O'Hare Intl Airport to Philadelphia flight tickets
American Airlines
Jan 6
ORD8:09 amChicago O'Hare Intl
2h 01m
PHL11:10 amPhiladelphia
Jan 11
PHL6:35 pmPhiladelphia
2h 40m
ORD8:15 pmChicago O'Hare Intl
$158
Find similar
American Airlines
Dec 5
ORD5:00 amChicago O'Hare Intl
1h 58m
PHL7:58 amPhiladelphia
Dec 10
PHL2:19 pmPhiladelphia
2h 25m
ORD3:44 pmChicago O'Hare Intl
$223
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 November 21, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sun 12/14

3:20 pm-9:17 am

1 stop16h 57m

Philadelphia

Mon 1/12

12:42 pm-2:22 pm

Nonstop2h 40m

$108

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 12/17

8:00 am-4:52 pm

1 stop7h 52m

Philadelphia

Mon 1/12

12:42 pm-2:22 pm

Nonstop2h 40m

$109

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 12/13

1:24 pm-12:41 am

1 stop10h 17m

Philadelphia

Mon 1/12

12:42 pm-2:22 pm

Nonstop2h 40m

$110

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 12/13

3:26 pm-11:16 pm

1 stop6h 50m

Philadelphia

Sun 1/11

12:42 pm-2:22 pm

Nonstop2h 40m

$111

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 1/5

12:39 pm-7:31 pm

1 stop5h 52m

Philadelphia

Mon 1/12

12:42 pm-2:22 pm

Nonstop2h 40m

$112

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 12/9

7:10 am-2:44 pm

1 stop6h 34m

Philadelphia

Sat 12/13

4:00 pm-12:09 am

1 stop9h 09m

$113

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 1/8

5:50 am-6:44 pm

1 stop11h 54m

Philadelphia

Sun 1/11

12:42 pm-2:22 pm

Nonstop2h 40m

$114

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Thu 12/4

2:18 pm-12:02 am

1 stop8h 44m

Philadelphia

Fri 12/5

11:10 am-12:40 pm

Nonstop2h 30m

$115

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 12/16

7:10 am-2:44 pm

1 stop6h 34m

Philadelphia

Thu 1/8

12:23 pm-8:30 pm

1 stop9h 07m

$116

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 12/9

5:00 am-2:44 pm

1 stop8h 44m

Philadelphia

Sat 12/13

4:00 pm-12:09 am

1 stop9h 09m

$118

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 O'Hare Intl Airport 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 Chicago O'Hare Intl Airport is in October. Flight prices, which tend to average around $189, 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 O'Hare Intl Airport averaging around $233.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $269. On the other hand, Sunday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $388.

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 O'Hare Intl Airport to Philadelphia in the evening for as low as $245. 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 $398.

What is the cheapest Chicago O'Hare Intl to Philadelphia flight route?

Fly from Chicago O'Hare Intl to Philadelphia for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Chicago O'Hare Intl Airport for as low as $211 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Philadelphia flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Philadelphia flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to Philadelphia flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Philadelphia

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

Cheap Chicago O'Hare Intl Airport to Philadelphia (ORD to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Philadelphia

Best Price Found

$110

Fastest flight time

1h 58m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Chicago O'Hare Intl Airport in the past 72 hours is $110. The best round-trip flight deal from Chicago O'Hare Intl Airport to Philadelphia found on momondo in the last 72 hours is $170.
The fastest flight from Chicago O'Hare Intl Airport to Philadelphia takes 1h 58m
Direct flights go from Chicago O'Hare Intl Airport to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • How far is Chicago O'Hare Intl to Philadelphia by plane?

    Philadelphia is 678.6 mi away from Chicago O'Hare Intl. Typically, this will take 2h 01m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Philadelphia Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Philadelphia Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Philadelphia Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Philadelphia Airport.

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

    The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Philadelphia?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Philadelphia?

Best airlines flying from Chicago O'Hare Intl Airport to Philadelphia

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $63Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $76Free CancellationRating
5.8
3,103 reviews
Search Frontier flights
DeltaPriceFrom $108Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
American AirlinesPriceFrom $160Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Philadelphia

    United Airlines operates around 23 flights from Chicago O'Hare Intl Airport to Philadelphia every week. The average price of these flights found in the last 72 hours has been $325, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Philadelphia from as low as $149 round-trip. United Airlines has been scored 7.4/10 in 9,029 reviews.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Philadelphia

    The best American Airlines deal for Chicago O'Hare Intl Airport to Philadelphia flight tickets found on momondo in the last 72 hours was $160, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $300 round-trip. American Airlines operates 47 flights out of Chicago O'Hare Intl Airport into Philadelphia in an average week, so prices vary by time and availability. 11,047 American Airlines reviews by users on momondo have scored the airline at 7.2/10.

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
Cherry Hill
Dewey Beach
Newark
Reading
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Essington
Vineland
Pottstown
New Castle
Somers Point

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Philadelphia. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Chicago to Philadelphia flights to just show those with flexible booking policies.

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

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

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