Cheap flights from Chicago to Philadelphia

One-way fares from $66 · CHI → PHL · prices found by travellers in the last 48 hours

Compare all dates Philadelphia → Chicago
Cheapest fare
$66

Frontier Airlines · Wed, Nov 25

Cheapest month
November

from $66

Direct flights
Yes

Frontier Airlines, Southwest Airlines and American Airlines

Flight time
1h 50m

1,070 km

Get a price alert

We'll email you when Chicago → Philadelphia drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $66. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Chicago to Philadelphia

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $66
  2. March 2027 $137

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart21:20 Wed, Nov 25ORD → PHL 2h 10m · Direct
$66one way, per person
View deal
Frontier Airlines
Depart20:42 Tue, Nov 24MDW → PHL 5h 15m · 1 stop
$102one way, per person
View deal
Frontier Airlines
Depart07:55 Sat, Nov 14ORD → PHL 5h 58m · 1 stop
$116one way, per person
View deal
Frontier Airlines
Depart07:55 Fri, Nov 13ORD → PHL 5h 58m · 1 stop
$130one way, per person
View deal
Frontier Airlines
Depart06:08 Thu, Nov 12MDW → PHL 4h 31m · 1 stop
$136one way, per person
View deal
Southwest Airlines
Depart11:25 Tue, Nov 3MDW → PHL 1h 50m · Direct
$157one way, per person
View deal
Frontier Airlines
Depart09:51 Sun, Nov 15ORD → TTN 5h 28m · 1 stop
$159one way, per person
View deal
American Airlines
Depart21:11 Sun, Nov 8ORD → PHL 2h 08m · Direct
$167one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Philadelphia

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in PhiladelphiaCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in PhiladelphiaTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in PhiladelphiaPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in PhiladelphiaCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Chicago to Philadelphia

Chicago (CHI) and Philadelphia (PHL) are about 1,070 km apart. Direct flights take around 1h 50m, and recent direct fares were with Frontier Airlines, Southwest Airlines and American Airlines. Over the next few months, one-way fares start from $66, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Chicago to Philadelphia?

The cheapest one-way fare we've seen recently is $66 with Frontier Airlines, departing Wednesday, November 25, 2026. Over the coming months, the lowest fare in each month ranges from $66 to $137.

What is the cheapest month to fly from Chicago to Philadelphia?

November 2026 currently has the lowest fares, from $66 one way.

Are there direct flights from Chicago to Philadelphia?

Yes. Recent direct fares were with Frontier Airlines, Southwest Airlines and American Airlines.

How long is the flight from Chicago to Philadelphia?

A direct flight takes about 1h 50m. Chicago and Philadelphia are around 1,070 km apart.

Which airlines fly from Chicago to Philadelphia?

Recent fares on this route were with Frontier Airlines, Southwest Airlines and American Airlines.

More cheap flights from Chicago

Compare flights to Philadelphia from other cities →