Cheap Flights from Philadelphia, PA to Chicago, IL from $121

Return flight: Chicago – Philadelphia
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On Cheapflightsplus.com you will find 1 direct and 37 connecting flights from Philadelphia to Chicago. You can compare airfare deals from 3 airlines and multiple travel sites from $121, book and save on cheap plane tickets and last minute offers. Also check out PHL-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Philadelphia to Chicago Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $121 (one-way), $208 (round-trip).
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Best Flights from Philadelphia to Chicago Today

Take a look at the list of non stop flights and flights with layovers from Philadelphia to Chicago with the lowest price of $121. The fastest direct flight takes 2h 25m and the fastest connecting – 11h 21m.
Price Departure Arrival Flight Duration Airline Flight
from $121
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18:52
Philadelphia
Philadelphia Int.
 20:17
Chicago
O'Hare International
 2h 25m United Airlines
UA2378
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 19, 2025
Full flight schedule will help you in detecting at what time planes fly from Philadelphia to Chicago. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
18:21 — 16:26
+1 day
18:21 — 21:00 F91101 Frontier Airlines
Philadelphia — Atlanta
18h 6m stop
15:06 — 16:26 NK2494 Spirit Airlines
Atlanta — Chicago
23h 5m
including layover
Find flight
from$741
18:37 — 15:43
+1 day
18:37 — 20:28 F93271 Frontier Airlines
Philadelphia — Myrtle Beach
17h 50m stop
14:18 — 15:43 NK2074 Spirit Airlines
Myrtle Beach — Chicago
22h 6m
including layover
Find flight
from$737
18:52 — 20:17
18:52 — 20:17 UA2378 United Airlines
Philadelphia — Chicago
2h 25m
Find flight
from$121
19:07 — 22:23
+2 days
19:07 — 21:32 NK2755 Spirit Airlines
Philadelphia — Atlanta
23h 58m stop
21:30 — 22:56 F94075 Frontier Airlines
Atlanta — Houston
20h 49m stop
19:45 — 22:23 F93282 Frontier Airlines
Houston — Chicago
52h 16m
including layover
Find flight
from$604
19:07 — 21:20
+1 day
19:07 — 21:32 NK2755 Spirit Airlines
Philadelphia — Atlanta
17h 51m stop
15:23 — 16:46 F94211 Frontier Airlines
Atlanta — Austin
1h 40m stop
18:26 — 21:20 F92800 Frontier Airlines
Austin — Chicago
27h 13m
including layover
Find flight
from$650
19:07 — 12:55
+1 day
19:07 — 21:32 NK2755 Spirit Airlines
Philadelphia — Atlanta
13h 3m stop
10:35 — 10:35 KG5872 Aerogaviota
Atlanta — Jackson
40m stop
11:15 — 12:55 KG5880 Aerogaviota
Jackson — Chicago
18h 48m
including layover
Find flight
from$652
19:07 — 20:54
+1 day
19:07 — 21:32 NK2755 Spirit Airlines
Philadelphia — Atlanta
10h 13m stop
07:45 — 09:02 F93293 Frontier Airlines
Atlanta — Denver
8h 24m stop
08:15 — 11:41 F92210 Frontier Airlines
Denver — Chicago
26h 47m
including layover
Find flight
from$661
19:07 — 16:26
+1 day
19:07 — 21:32 NK2755 Spirit Airlines
Philadelphia — Atlanta
17h 34m stop
15:06 — 16:26 NK2494 Spirit Airlines
Atlanta — Chicago
22h 19m
including layover
Find flight
from$731
19:07 — 10:25
+1 day
19:07 — 21:32 NK2755 Spirit Airlines
Philadelphia — Atlanta
11h 30m stop
09:02 — 10:25 F91441 Frontier Airlines
Atlanta — Chicago
16h 18m
including layover
Find flight
from$802
21:00 — 09:22
+1 day
21:00 — 23:56 NK300 Spirit Airlines
Philadelphia — Miami
7h 4m stop
07:00 — 09:22 NK2530 Spirit Airlines
Miami — Chicago
13h 22m
including layover
Find flight
from$640
21:00 — 23:44
+1 day
21:00 — 23:56 NK300 Spirit Airlines
Philadelphia — Miami
6h 4m stop
06:00 — 08:17 F93700 Frontier Airlines
Miami — Charlotte
14h 2m stop
22:19 — 23:44 F93141 Frontier Airlines
Charlotte — Chicago
27h 44m
including layover
Find flight
from$643
21:59 — 16:38
+2 days
21:59 — 00:29 NK2508 Spirit Airlines
Philadelphia — Orlando
21h 51m stop
22:20 — 00:18 F91040 Frontier Airlines
Orlando — Raleigh
14h 55m stop
15:13 — 16:38 F93351 Frontier Airlines
Raleigh — Chicago
43h 39m
including layover
Find flight
from$622
21:59 — 00:32
+2 days
21:59 — 00:29 NK2508 Spirit Airlines
Philadelphia — Orlando
5h 31m stop
06:00 — 08:02 F91733 Frontier Airlines
Orlando — Denver
12h 51m stop
20:53 — 00:32 F93172 Frontier Airlines
Denver — Chicago
27h 33m
including layover
Find flight
from$650
21:59 — 11:41
+2 days
21:59 — 00:29 NK2508 Spirit Airlines
Philadelphia — Orlando
20h 30m stop
20:59 — 23:11 F93311 Frontier Airlines
Orlando — Denver
9h 4m stop
08:15 — 11:41 F92210 Frontier Airlines
Denver — Chicago
38h 42m
including layover
Find flight
from$654
21:59 — 20:54
+1 day
21:59 — 00:29 NK2508 Spirit Airlines
Philadelphia — Orlando
5h 31m stop
06:00 — 08:02 F91733 Frontier Airlines
Orlando — Denver
9h 24m stop
17:26 — 20:54 F92210 Frontier Airlines
Denver — Chicago
23h 55m
including layover
Find flight
from$693
*Departure and arrival times - local. Updated on September 19, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Philadelphia to Chicago depends on and how to choose the most interesting flight option for you.

Distance between Philadelphia and Chicago is 1064 miles. Time difference between the cities is 1h. Airplanes depart 18:21 to 21:59 from 4 Philadelphia airports and arrive 18:21 to 21:59 to 7 Chicago airports. Average flight time is 2h 25m.

  • The fastest flight 2h 25m
  • Average flight time 2h 25m
  • The earliest flight 18:21
  • The latest flight 21:59
  • Distance 662 ml

The cheapest months to travel to Chicago are august (from 121 $), june (from 128 $), july (from 131 $).

The most expensive months are may (from 182 $), july (from 131 $), june (from 128 $).

What is the lowest airfare Philadelphia to Chicago?

The cheapest plane ticket found by our users is $121. This airfare is for economy class on one-way UA2378 flight by United Airlines for August 16, 2025 which leaves Philadelphia Int. in Philadelphia at 18:52 am and arrives at Chicago O'Hare International at 20:17.

Economy class
$121
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Business class
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First class
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Popular Airlines on the Route

The flight Philadelphia — Chicago is served by 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 3 departures per week at the price of from $ 737 . And the most expensive tickets are offered by United Airlines airline - from $ 1507.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is UA2378 by United Airlines takes 2h 25m and the cheapest is UA2378 by United Airlines for $121.

  • UA - United Airlines
    from $121
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Connecting Flights

There are 37 flights with layovers on the route. The fastest connecting flight is UA4615 by United Airlines takes 11h 21m and the cheapest is UA2378 by United Airlines for $604.

  • F9 - Frontier Airlines
    from $737
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  • UA - United Airlines
    from $1235
    Find
  • NK - Spirit Airlines
    from $604
    Find
See more connecting flights

Airports

You can fly from Philadelphia to Chicago from 4 airports (Philadelphia Int., North Philadelphia, Mustin Alf, Philadelphia Sea Plane Base).

Philadelphia airports

  • Philadelphia Int.-PHL
    from $121
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  • North Philadelphia-PNE
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  • Mustin Alf-MUV
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  • Philadelphia Sea Plane Base-PSQ
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Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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Airplanes

There are flights to Chicago from Philadelphia by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Philadelphia

You may also consider searching for discounted plane tickets to some other popular places from Philadelphia within United States.

Top International Destinations from Philadelphia

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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