Cheap Flights from Chicago to Philadelphia

Cheapest flights from Chicago to Philadelphia

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to Philadelphia. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$89

Frontier Airlines

1 transfer

15h 32m

01/02/2026

The cheapest one-way flight from Chicago to Philadelphia departs on 01/02/2026, is operated by Frontier Airlines and costs $89

Cheapest round trip flight

$173

American Airlines

Direct flight

4h 35m

12/09/2025

The cheapest roundtrip flight from Chicago to Philadelphia departs on 12/09/2025, is operated by American Airlines and costs $173

The fastest flight

2h 2m

Fastest flight from Chicago to Philadelphia takes 2h 2m

Direct flights

Once a week

There are direct flights on this route 1 day a week: Su

Earliest flight

5:00 AM

Latest flight

9:47 PM

Direct flights count

116

Distance

1068km

Timezone difference

1h

The distance between Chicago and Philadelphia is 1068km (662 miles). There are 116 direct flights from Chicago to Philadelphia. The time difference between Chicago and Philadelphia is 1h. Flights from Chicago begin at 5:00 AM. The latest flight from Chicago departs at 9:47 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Chicago to Philadelphia by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Philadelphia

December 2025

Lowest price

on average:

$329

Avg Price

Airlines operating on route

The route Chicago — Philadelphia is served by several airlines: United Airlines, Southwest Airlines, and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $89 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

United Airlines

Starting at $144

Southwest Airlines

Starting at $189

Frontier Airlines

Starting at $89

Direct Flights from Chicago to Philadelphia

A direct flight is the most convenient and comfortable way to fly from Chicago to Philadelphia, despite the fact that sometimes flights with transfers can cost significantly less.

Chicago — Philadelphia

CHI — PHL

12/07/2025

Departure

Direct flight

UA2182

Starting at $144

Chicago — Philadelphia

CHI — PHL

12/08/2025

Departure

Direct flight

WN3064

Starting at $418

Chicago — Philadelphia

CHI — PHL

12/09/2025

Departure

Direct flight

WN3064

Starting at $425

Chicago — Philadelphia

CHI — PHL

01/02/2026

Departure

Direct flight

UA1205

Starting at $270

Chicago — Philadelphia

CHI — PHL

12/13/2025

Departure

Direct flight

WN1257

Starting at $189

Chicago — Philadelphia

CHI — PHL

12/14/2025

Departure

Direct flight

UA2182

Starting at $146

Schedule of direct flights from Chicago to Philadelphia

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to Philadelphia:

Unable to find information about the schedule of direct flights from

Chicago airports overview

Merrill C Meigs

•

CGX

3km

DuPage Airport

•

DPA

52km

Chicago Midway International Airport

•

MDW

14km

O'Hare International Airport

•

ORD

26km

Chicago Executive Airport

•

PWK

35km

Chicago Rockford International Airport

•

RFD

140km

•

Philadelphia airports overview

Philadelphia International Airport

•

PHL

11km

Trenton-Mercer Airport

•

TTN

47km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Chicago to Philadelphia?

The cheapest flight ticket from Chicago to Philadelphia according to data for the last 48 hours costs $89

When is the best time to buy air tickets on the route Chicago — Philadelphia?

Often the best time to buy tickets from Chicago to Philadelphia is 2 months before departure.

When is the cheapest time of year to fly from Chicago to Philadelphia?

Based on statistics over the past years, the lowest prices for flights from Chicago to Philadelphia can be found flying in these months: December.

How long does it take to fly from Chicago to Philadelphia?

The fastest flights from Chicago to Philadelphia start from 2 hours 2 minutes in the air.

Which airline can fly direct from Chicago to Philadelphia?

The following airlines operate direct flights on the route Chicago — Philadelphia: United Airlines, Southwest Airlines

Special offers and sales on air tickets from Chicago to Philadelphia

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Chicago to Philadelphia

Alternative routes

Appleton ➜ Philadelphia•Kalamazoo ➜ Philadelphia•Champaign ➜ Philadelphia•Fort Wayne ➜ Philadelphia•Indianapolis ➜ Philadelphia•Lansing ➜ Philadelphia•Milwaukee ➜ Philadelphia•Muskegon ➜ Philadelphia•South Bend ➜ Philadelphia•Chicago ➜ Allentown•Chicago ➜ Atlantic City•Chicago ➜ Baltimore•Chicago ➜ Lancaster•Chicago ➜ New York

•••••••••••••••••••

Cheapest one way flight

$89

Frontier Airlines

1 transfer

15h 32m

01/02/2026

The cheapest one-way flight from Chicago to Philadelphia departs on 01/02/2026, is operated by Frontier Airlines and costs $89

Cheapest round trip flight

$173

American Airlines

Direct flight

4h 35m

12/09/2025

The cheapest roundtrip flight from Chicago to Philadelphia departs on 12/09/2025, is operated by American Airlines and costs $173

The fastest flight