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Cheap Flights from Chicago (CHIA) to Philadelphia International (PHL)

Compare Chicago to Philadelphia International flight deals

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Flight deals from Chicago to Philadelphia International Airport

Looking for a cheap last-minute deal or the best return flight from Chicago to Philadelphia International Airport? If you want to travel next month, return fares start from £71. Find the lowest prices on one-way and return tickets right here.
Philadelphia.£71 per passenger.Departing Thu, 23 Apr, returning Thu, 30 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 23 Apr, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 30 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £71, select.
Philadelphia.£79 per passenger.Departing Thu, 30 Apr, returning Sun, 3 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 30 Apr, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sun, 3 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £79, select.
Philadelphia.£87 per passenger.Departing Thu, 14 May, returning Mon, 18 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 14 May, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 18 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From £87, select.
Philadelphia.£104 per passenger.Departing Tue, 31 Mar, returning Wed, 15 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 31 Mar, arriving in Philadelphia International.Inbound indirect flight with Spirit Airlines, departs from Philadelphia International on Wed, 15 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From £104, select.
Philadelphia.£109 per passenger.Departing Sat, 23 May, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sat, 23 May, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Wed, 3 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From £109, select.
Philadelphia.£112 per passenger.Departing Wed, 3 Jun, returning Mon, 8 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 3 Jun, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 8 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From £112, select.
Philadelphia.£116 per passenger.Departing Tue, 17 Mar, returning Thu, 19 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago Midway on Tue, 17 Mar, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 19 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From £116, select.
Philadelphia.£123 per passenger.Departing Wed, 22 Jul, returning Thu, 30 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 22 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 30 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From £123, select.
Philadelphia.£126 per passenger.Departing Wed, 3 Jun, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 3 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 6 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From £126, select.
Philadelphia.£133 per passenger.Departing Thu, 13 Aug, returning Mon, 17 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 13 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Mon, 17 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From £133, select.
Philadelphia.£144 per passenger.Departing Wed, 15 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 15 Jul, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 6 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From £144, select.
Philadelphia.£146 per passenger.Departing Sat, 22 Aug, returning Wed, 2 Sep.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Sat, 22 Aug, arriving in Philadelphia International.Inbound indirect flight with Spirit Airlines, departs from Philadelphia International on Wed, 2 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £146, select.
Philadelphia.£147 per passenger.Departing Tue, 1 Sep, returning Wed, 2 Sep.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 1 Sep, arriving in Philadelphia International.Inbound indirect flight with Spirit Airlines, departs from Philadelphia International on Wed, 2 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From £147, select.
Philadelphia.£148 per passenger.Departing Thu, 12 Mar, returning Thu, 19 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 12 Mar, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 19 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From £148, select.
Philadelphia.£151 per passenger.Departing Tue, 14 Jul, returning Thu, 6 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 14 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Thu, 6 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From £151, select.
Philadelphia.£154 per passenger.Departing Thu, 21 May, returning Thu, 30 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 21 May, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Thu, 30 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From £154, select.

Find the cheapest month to fly from Chicago to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Philadelphia International flights are currently cheapest in April.
Mar
from £116
Apr
from £71
May
from £87
Jun
from £112
Jul
from £123
Aug
from £133
Sep
from £147
Oct
from £238
Nov
from £270
Dec
from £238
Jan
Find prices
Feb
Find prices

Direct flights from Chicago to Philadelphia International

Chicago to Philadelphia International: Alternative routes

Compare routes from Chicago to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Philadelphia International

7 miles from central Philadelphia
ClosestCheapest
from £71
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Blue Bell

14 miles from central Philadelphia
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Philadelphia Trenton-Mercer

29 miles from central Philadelphia
from £118
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Greater Wilmington

30 miles from central Philadelphia
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Atlantic City International

46 miles from central Philadelphia
from £107
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Allentown

51 miles from central Philadelphia
from £167
Search flights

Chicago to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found£71
Cheapest month to flyApril
Average flight time2 hrs, 4 mins
Most popular airlineAmerican Airlines
Average flights per week555

Finding cheap flights from Chicago to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Chicago to Philadelphia International is £71. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 3 minutes is the average flight time from Chicago to Philadelphia International.
American Airlines, Southwest Airlines and Alaska Airlines fly direct from Chicago to Philadelphia International.
As of March 2026, there are 555 flights per week flying from Chicago to Philadelphia International.
The cheapest month to fly from Chicago to Philadelphia International is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Philadelphia International Airport on Thursday, 23 April 2026.
Yes – the average flight time is 2 hours and 3 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Philadelphia International is Frontier Airlines .

Flying from Chicago to Philadelphia International Airport (PHL): What you need to know

  • Your trip gets off the ground at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Philadelphia International Airport (PHL) departing from either of these.

  • Expect to be in the air for 2 hours 5 minutes. On average, that's the time it takes for a direct Chicago to Philadelphia International Airport flight.

  • The timezone in Philadelphia is UTC-4, which is one hour ahead of Chicago. Philadelphia International Airport is located in Philadelphia.

  • O'Hare International Airport (ORD) to Philadelphia International Airport (PHL) is the most popular route. There are 86 direct weekly departures to choose from. If you have things to do before heading off, hop on the last flight with United Airlines at 9:40pm. Opt for the first ORD to PHL departure with American Airlines at 5am if you'd rather not wait around.

  • Your flight from Chicago to PHL won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Peak travel periods mean busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for an international journey to stick to your schedule.

Airports in Chicago

O'Hare International Airport (ORD)

  • O'Hare International Airport (ORD) provides a hassle-free way to reach your destination. Nonstop flights from Chicago to Philadelphia International Airport (PHL) leave from this terminal.

  • You'll have your pick of airlines operating direct flights from Chicago to Philadelphia International Airport leaving from ORD. Book your ticket with one of these:

  • The airline most travellers choose when flying between ORD and PHL is American Airlines.

  • The carrier with the top on-time arrival rate on this route is United Airlines.

  • ORD is around 40 kms (25 miles) from central Chicago. If you're ride-sharing, driving or catching a cab from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 55 minutes.

  • Want a hassle-free start to your holiday? Stay near O'Hare International Airport. Whether you're boarding an early flight from Chicago to Philadelphia International Airport or prefer not to rush, these hotels offer the perfect solution:

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights meet their scheduled arrival time.

  • You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can book a direct Chicago to Philadelphia International Airport (PHL) plane ticket out of Chicago Midway International Airport (MDW). See if flying from MDW works better for your plans.

  • Southwest Airlines offers direct flights from Chicago to PHL leaving from MDW. Book your favourite seat and reach your destination in a single stretch.

  • On the MDW to PHL route, Southwest Airlines is the airline most travellers rely on.

  • With 78.17% of its services arriving as planned, Southwest Airlines is the most punctual carrier flying between Chicago Midway International Airport and Philadelphia International Airport.

  • You can reach MDW from the centre of Chicago in about 20 minutes by car (depending on traffic). The journey by public transport takes roughly 45 minutes to cover the 19 kms (12 miles) or so.

  • Catching the earliest flight? Think about staying at one of these hotels near Chicago Midway International Airport the day before your Chicago to PHL flight:

  • As far as flight punctuality goes, Chicago Midway International Airport has an on-time arrival rate of 77.88%.

  • MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The journey time to RFD from the centre of Chicago is around 4 hours 15 minutes on public transport. If you're in a car, it'll take you about 1 hour 25 minutes to cover the 137 kms (85 miles) or so.

  • Relax in bed for a little longer and still make your Chicago to Philadelphia International Airport flight with plenty of time to spare. These hotels near Chicago Rockford International Airport make departure day effortless if you're setting off early:

  • Airports have an on-time performance rating that tracks how often flights land as expected. At RFD, that figure is 76.19%.

  • You'll find Chicago Rockford International Airport at 2 Airport Cir.

About Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • The centre of Philadelphia is about 7 miles from Philadelphia International Airport. Travel times by car hire or cab will vary based on traffic conditions and time of day, so do a little research before you go.

  • It'll take around 45 minutes if you're travelling by public transport.

How to find the cheapest flights from Chicago to Philadelphia International Airport (PHL)

  • The cheapest price we've found for a one-way ticket from Chicago to Philadelphia International Airport is £22. For a return flight on this route, the best price is £71. Depending on the availability when you book, these fares can change.

  • Booking early is often the key to finding a cheap flight from Chicago to PHL. Prices tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll show you the lowest price across every month when searching for your Chicago to Philadelphia International Airport ticket.

  • Snapping up a cheap plane ticket from Chicago to PHL couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a price drop.

  • Save money on your flight from Chicago to Philadelphia International Airport by using filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Chicago to Philadelphia International Airport (PHL)

  • August is the busiest month for flights from Chicago to Philadelphia International Airport (PHL). Visit Philadelphia in February if you'd rather avoid peak season.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your Chicago to PHL plane ticket then if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, search for a cheap ticket from Chicago to Philadelphia International Airport in January when temperatures are between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of the United States

  • Philadelphia has plenty to offer, but there are so many other parts of the United States you'll want to see. Around 137 kms (85 miles) north-east of Philadelphia, a trip to New York will keep your itinerary packed. Start with attractions like Central Park, Manhattan Skyline and Statue of Liberty.

  • If you're interested in discovering another major destination in the United States, head for Baltimore, roughly 137 kms (85 miles) south-west of Philadelphia. Baltimore Aquarium, National Aquarium and Washington Monument and Mount Vernon Place are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.