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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Philadelphia departing on 10/5. 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 Chicago O'Hare Intl Airport 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
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
Frontier Logo
2:45 pm - 6:00 pmORD-PHL
2h 15mnonstop
Frontier Logo
4:10 pm - 5:40 pmPHL-ORD
2h 30mnonstop
$118Frontier
Find Deal
sáb., oct. 18 - lun., oct. 20
Frontier Logo
11:51 am - 3:00 pmORD-PHL
2h 09mnonstop
Frontier Logo
9:23 am - 10:52 amPHL-ORD
2h 29mnonstop
$120Frontier
Find Deal
vie., oct. 24 - dom., nov. 2
Frontier Logo
11:50 am - 2:59 pmORD-PHL
2h 09mnonstop
Frontier Logo
5:12 pm - 1:31 amPHL-ORD
9h 19m1 stop
$121Frontier
Find Deal
vie., oct. 17 - vie., oct. 17
Frontier Logo
5:11 am - 11:29 amORD-PHL
5h 18m1 stop
Frontier Logo
6:00 am - 7:26 amPHL-ORD
2h 26mnonstop
$122Frontier
Find Deal
vie., nov. 14 - lun., nov. 17
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
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

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
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 23
ORD6:50 pmChicago O'Hare Intl
2h 20m
PHL10:10 pmPhiladelphia
Oct 27
PHL4:10 pmPhiladelphia
2h 30m
ORD5:40 pmChicago O'Hare Intl
$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

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Philadelphia flight tickets
United Airlines
Oct 18
ORD8:45 amChicago O'Hare Intl
2h 11m
PHL11:56 amPhiladelphia
Oct 21
PHL6:30 amPhiladelphia
2h 22m
ORD7:52 amChicago O'Hare Intl
$139
Find similar
United Airlines
Oct 17
ORD9:36 pmChicago O'Hare Intl
2h 09m
PHL12:45 amPhiladelphia
Oct 21
PHL1:05 pmPhiladelphia
2h 22m
ORD2:27 pmChicago O'Hare Intl
$158
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 septiembre 17, 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

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

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

ORD - PHL

ORDPHL

Chicago O'Hare Intl

sáb. 10/18

2:45 pm-6:00 pm

Nonstop2h 15m

Philadelphia

lun. 10/20

4:10 pm-5:40 pm

Nonstop2h 30m

$118

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

vie. 10/24

11:51 am-3:00 pm

Nonstop2h 09m

Philadelphia

dom. 11/2

9:23 am-10:52 am

Nonstop2h 29m

$120

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

vie. 10/17

11:50 am-2:59 pm

Nonstop2h 09m

Philadelphia

vie. 10/17

5:12 pm-1:31 am

1 stop9h 19m

$121

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

vie. 11/14

5:11 am-11:29 am

1 stop5h 18m

Philadelphia

lun. 11/17

6:00 am-7:26 am

Nonstop2h 26m

$122

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

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

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 $168, 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 $203.

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 $264. 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 $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 O'Hare Intl Airport 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 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 $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 O'Hare Intl Airport for as low as $208 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 September 2025, prices for Chicago O'Hare Intl Airport to Philadelphia flights are approximately 43% 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

$113

Fastest flight time

1h 57m

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 $113. The best round-trip flight deal from Chicago O'Hare Intl Airport to Philadelphia found on momondo in the last 72 hours is $195.
The fastest flight from Chicago O'Hare Intl Airport to Philadelphia takes 1h 57m
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 09m 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
8,023 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

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

    United Airlines operates around 34 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 $333, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Philadelphia from as low as $156 round-trip. United Airlines has been scored 7.4/10 in 8,926 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 $157, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $296 round-trip. American Airlines operates 55 flights out of Chicago O'Hare Intl Airport into Philadelphia in an average week, so prices vary by time and availability. 10,000 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
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?

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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