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Cheap flights from Philadelphia (PHL) to Illinois (IL)

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How to find the cheapest flight from
Philadelphia (PHL) to Illinois

How far in advance should I book a flight from Philadelphia to Illinois?

To save up to 10% on this flight, we recommend booking at least 37 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Philadelphia to Illinois from $177 1-2 weeks out and tickets from $177 for flights departing within the next 72 hours.

Cheap flights from Philadelphia to Illinois in August, September 2020

The best prices found for PHL to Illinois flights for August, September
13 Aug - 14 Aug
$42pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia
7 Aug - 10 Aug
$43pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia
20 Jul - 23 Jul
$45pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia

Philadelphia to Illinois 2020 flight deals

Cheap flights to Illinois from Philadelphia found for this year
13 Aug - 14 Aug
$42pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia
7 Aug - 10 Aug
$43pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia
20 Jul - 23 Jul
$45pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia

Non-stop flights to Illinois from Philadelphia

Save time with Philadelphia to Illinois direct flight deals
31 Jul - 9 Aug
$56pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
PHL
Philadelphia
14 Aug - 21 Aug
$61pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
PHL
Philadelphia
3 Dec - 6 Dec
$66pp
PHL
Philadelphia
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia

Last minute flights from Philadelphia to Illinois

Late deals on round-trip flights to Illinois from Philadelphia, departing today and this week
29 Jul - 30 Jul
$42pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia
29 Jul - 3 Aug
$43pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia
28 Jul - 30 Jul
$55pp
PHL
Philadelphia
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
PHL
Philadelphia

One-way flights to Illinois from Philadelphia

The cheapest one-way flights from Philadelphia to Illinois
11:20 am - 2:55 pm
Sun Country Air
1 Stop
4h 35m
PHL - ORD
Sun Country Air
$42
Ovago
3:00 am - 8:12 am
Spirit Airlines
1 Stop
6h 12m
PHL - ORD
Spirit Airlines
$64
FlightNetwork
1:36 pm - 2:55 pm
Lufthansa
Nonstop
2h 19m
PHL - ORD
Lufthansa

Related info for your journey

Useful info, stats and facts about Philadelphia to Illinois flights.

Flight FAQs

From Philadelphia to Illinois

Are flight prices decreasing from Philadelphia to Illinois due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Philadelphia and Illinois for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Philadelphia to Illinois for under $100 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Illinois for under $100. The cheapest flight booked recently is on Multiple Airlines for just $42, but on average you can expect to pay $53.

Are there nonstop flights from Philadelphia to Illinois for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to Illinois under $100. A good price for a nonstop flight from Philadelphia to Illinois is less than $164.

Are there last-minute flights available from Philadelphia to Illinois for under $100?

There are currently 20+ open flights from Philadelphia to Illinois within the next 7 days for less than $100.

What are the most popular airlines that fly from Philadelphia to Illinois?

Before booking your flight from Philadelphia to Illinois check out the most popular airlines for this route: Major Airline, American Airlines or JetBlue.

What are the most popular routes from Philadelphia to Illinois?

The most popular flight routes from Philadelphia to Illinois are Philadelphia - Chicago O'Hare Intl, Philadelphia - Chicago Midway and Philadelphia - Chicago Greater Rockford.

What are the cheapest Flights from Philadelphia to Illinois?

Looking at all options, your cheapest flight can be booked for $90. While the most popular route (Philadelphia - Chicago O'Hare Intl) can be booked for $47 on average our data indicates $240 when flying from Philadelphia to Illinois

What are the most reliable airlines from Philadelphia to Illinois?

Consider Royal Jordanian (100%), Iberia (100%) or Republic Airways (99%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Illinois.

How long does is the flight from Philadelphia to Illinois?

Spirit Airlines and Delta can get you from Philadelphia to Illinois in just under 2h 15m. Your travel time can differ by up to 1h 23m. This flight may include one or multiple stops.

What is the cheapest airline to fly from Philadelphia to Illinois round-trip?

Spirit Airlines at $51 was found to be the cheapest airline from Philadelphia to Illinois..

What are the cheapest airlines to fly from Philadelphia to Illinois one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $24. However, be on the lookout for offers from Sun Country Air and Lufthansa, as they are both options that can get you from Philadelphia to Illinois for a low price.

Destination information for Illinois

Things to know before you go. Useful info for your trip from Philadelphia to Illinois
Flight duration
2h 12m

Airports servicing Philadelphia

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)
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