Cheap flights from Illinois to Philadelphia (PHL) from $30

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — PHL
Jun 11 — Jun 181

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

Users have found that booking a flight from Illinois to Philadelphia at least 50 days early can save you up to 60% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Illinois to Philadelphia for as little as $200 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $270 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, October can be a great choice for travel to Philadelphia. Flights to Philadelphia from Illinois in October are about $219 on average during October, but can be found for as low as $49.

What is the cheapest time of day to fly from IL to PHL?

When flying from Illinois to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Illinois to Philadelphia flights in June & July 2024

Find cheap flight options from Illinois to Philadelphia specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Listed are some of the best fares we've found on flights departing from Illinois to Philadelphia in 2024. More deals are always being added, so be sure to check back regularly.
Sat 6/153:08 pmSTL - PHL
Nonstop2h 12mFrontier
Mon 6/178:19 pmPHL - STL
Nonstop2h 27mFrontier
Deal found 6/6$69
Sat 6/223:08 pmSTL - PHL
Nonstop2h 12mFrontier
Mon 6/248:19 pmPHL - STL
Nonstop2h 27mFrontier
Deal found 6/5$70
Wed 7/179:32 pmSTL - PHL
Nonstop2h 12mFrontier
Sat 7/2012:54 pmPHL - STL
Nonstop2h 25mFrontier
Deal found 6/5$73
Thu 6/1310:28 amMDW - PHL
Nonstop2h 01mFrontier
Tue 6/258:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 6/5$75
Tue 6/255:01 amORD - PHL
Nonstop2h 02mFrontier
Sat 6/2910:42 pmPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/5$75
Thu 6/1310:28 amMDW - PHL
Nonstop2h 01mFrontier
Tue 6/258:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 6/5$76
Fri 6/285:01 amORD - PHL
Nonstop2h 02mFrontier
Tue 7/169:23 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/5$76
Thu 6/2010:28 amMDW - PHL
Nonstop2h 01mFrontier
Mon 6/2412:27 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 6/6$77
Thu 7/1110:26 amMDW - PHL
Nonstop2h 02mFrontier
Sun 7/146:52 pmPHL - MDW
Nonstop2h 17mFrontier
Deal found 6/5$78

Illinois to Philadelphia 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Philadelphia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Listed are some of the best fares we've found on flights departing from Illinois to Philadelphia in 2024. More deals are always being added, so be sure to check back regularly.
Sat 8/1711:47 amSTL - PHL
Nonstop2h 13mFrontier
Sat 8/249:17 amPHL - STL
Nonstop2h 30mFrontier
Deal found 6/5$48
Sat 9/216:41 amORD - PHL
Nonstop2h 03mFrontier
Tue 9/249:09 amPHL - ORD
Nonstop2h 24mFrontier
Deal found 6/6$52
Tue 8/205:01 amORD - PHL
Nonstop2h 03mFrontier
Sat 8/2410:41 pmPHL - ORD
Nonstop2h 24mFrontier
Deal found 6/5$53
Sat 8/103:09 pmSTL - PHL
Nonstop2h 12mFrontier
Mon 8/127:18 pmPHL - STL
Nonstop2h 24mFrontier
Deal found 6/6$53
Thu 6/135:01 amORD - PHL
Nonstop2h 02mFrontier
Tue 6/259:10 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/5$58
Fri 8/99:32 pmSTL - PHL
Nonstop2h 12mFrontier
Mon 8/127:18 pmPHL - STL
Nonstop2h 24mFrontier
Deal found 6/6$58
Thu 8/155:01 amORD - PHL
Nonstop2h 03mFrontier
Tue 8/209:09 amPHL - ORD
Nonstop2h 24mFrontier
Deal found 6/5$59
Thu 6/135:01 amORD - PHL
Nonstop2h 02mFrontier
Tue 6/259:10 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/5$60
Tue 7/25:01 amORD - PHL
Nonstop2h 02mFrontier
Tue 7/99:23 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/4$61

Illinois to Philadelphia flights leaving soon

Find last-minute flight options from Illinois to Philadelphia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Check out these flights departing soon from Illinois to Philadelphia. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 6/153:08 pmSTL - PHL
Nonstop2h 12mFrontier
Mon 6/178:19 pmPHL - STL
Nonstop2h 27mFrontier
Deal found 6/6$69
Thu 6/1310:28 amMDW - PHL
Nonstop2h 01mFrontier
Tue 6/258:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 6/5$75
Thu 6/1310:28 amMDW - PHL
Nonstop2h 01mFrontier
Tue 6/258:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 6/5$76
Fri 6/142:36 pmMDW - PHL
Nonstop2h 01mFrontier
Mon 6/1712:27 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 6/6$78
Fri 6/145:01 amORD - PHL
Nonstop2h 02mFrontier
Mon 6/179:10 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/6$78
Fri 6/1410:36 pmSTL - PHL
Nonstop2h 12mFrontier
Mon 6/178:19 pmPHL - STL
Nonstop2h 27mFrontier
Deal found 6/6$78
Tue 6/1110:16 pmMDW - PHL
Nonstop2h 02mFrontier
Wed 6/1212:21 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 6/5$86
Tue 6/1110:16 pmMDW - PHL
Nonstop2h 02mFrontier
Tue 6/188:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 6/6$88
Tue 6/115:01 amORD - PHL
Nonstop2h 02mFrontier
Tue 6/189:10 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 6/6$88

One-way flights to Philadelphia from Illinois

Search for one-way flight options from Illinois to Philadelphia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Some of the best available deals we've found on one-way flights from Illinois to Philadelphia. Users can also find round-trip Illinois to Philadelphia flights by using the search form above.
Sat 6/158:53 amMDW - PHL
Nonstop2h 01mFrontier
Deal found 6/6$30
Tue 7/910:20 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 6/5$31
Sat 6/153:08 pmSTL - PHL
Nonstop2h 12mFrontier
Deal found 6/5$31
Tue 8/207:59 pmMDW - PHL
Nonstop2h 13mFrontier
Deal found 6/5$32
Wed 7/102:29 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 6/6$37
Fri 6/142:36 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 6/5$38
Mon 6/172:35 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 6/6$39
Sun 6/165:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 6/5$39
Mon 6/1710:36 pmSTL - PHL
Nonstop2h 12mFrontier
Deal found 6/6$39

Find flights from Illinois to Philadelphia within your budget

Customize your flight search to find flights from Illinois to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$48 - $145

Route

Depart

Return

Price

Lambert-St LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Sat 8/17

Nonstop2h 13m

Philadelphia

Sat 8/24

Nonstop2h 30m

$48

Chicago MidwayPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 8/20

Nonstop2h 13m

Philadelphia

Sat 8/24

Nonstop2h 13m

$53

Lambert-St LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Sat 8/10

Nonstop2h 12m

Philadelphia

Mon 8/12

Nonstop2h 24m

$53

Chicago MidwayPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 8/13

Nonstop2h 13m

Philadelphia

Mon 8/19

Nonstop2h 13m

$55

Chicago MidwayPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 6/18

Nonstop2h 02m

Philadelphia

Wed 6/19

Nonstop2h 11m

$56

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 6/18

1 stop9h 29m

Philadelphia

Tue 6/25

Nonstop2h 21m

$89

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 7/1

Nonstop1h 58m

Philadelphia

Fri 7/5

Nonstop2h 29m

$117

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 7/16

1 stop7h 23m

Philadelphia

Tue 7/16

1 stop13h 38m

$122

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Sat 6/15

Nonstop2h 13m

Philadelphia

Wed 6/19

Nonstop2h 24m

$145

Flights are sorted by cheapest first

Deals found on 6/5

No data available for this route at this time. Please check back soon.

Best time to book a flight from Illinois to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated June 6, 2024.
See what other customers who have flown with Frontier, American Airlines and United Airlines from Illinois to Philadelphia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,918 reviews

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,918 reviews
Southwest
8.2
Very good
5,918 reviews

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
10,368 reviews
Southwest
8.2
Very good
5,918 reviews

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
10,696 reviews
Southwest
8.2
Very good
5,918 reviews

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.3
Good
14,227 reviews
Southwest
8.2
Very good
5,918 reviews

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.2
Good
593 reviews
Southwest
8.2
Very good
5,918 reviews

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Crew

8.7

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Philadelphia from Illinois?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Illinois to Philadelphia. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

    Yes, there are multiple flights from Illinois to Philadelphia for under $100. The cheapest flight booked recently is on Frontier for just $48, but on average you can expect to pay $64.

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

    Cheapflights has at least 20 direct flights from Illinois to Philadelphia under $100. A good price for a nonstop flight from Illinois to Philadelphia is less than $59.

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

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

  • What days are nonstop flights available from Illinois to Philadelphia?

    You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Friday, Saturday.

  • How many flights depart from Illinois to Philadelphia on average per day?

    Per day, 11 flights depart from Illinois to Philadelphia on average.
    Morning (6am - Noon) - 36% of flight departures
    Afternoon (Noon - 6pm) - 27% of flight departures
    Evening (6pm - Midnight) - 36% of flight departures

  • How long is the flight from Illinois to Philadelphia?

    For as low as $48, Frontier can have you in Philadelphia from Illinois in 2h 13m. Airlines will cover a distance of 680 mi. All flights are typically nonstop.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $30. However, be on the lookout for offers from Spirit Airlines and Sun Country Air, as they are both options that can get you from Illinois to Philadelphia for a low price.

  • What are the most popular routes from Illinois to Philadelphia?

  • What are the most reliable airlines from Illinois to Philadelphia?

    Consider SkyWest Airlines (100%), Scandinavian Airlines (91%) or Frontier (83%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Philadelphia.

  • What are the cheapest flights from Illinois to Philadelphia?

    Looking for the cheapest flight from Illinois to Philadelphia? While on average our users pay $660, our data indicates the cheapest price to be $39. The most popular route (Chicago O'Hare Intl - Philadelphia), is priced around $60.

  • What does ORD to PHL mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Philadelphia Airport (PHL). Codes like Philadelphia Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Illinois to Philadelphia that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Philadelphia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Philadelphia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Philadelphia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Illinois to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Philadelphia.

  • Can I find deals for business class flights from Illinois to Philadelphia?

    Yes. Cheapflights offers flight deals from Illinois to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Philadelphia that allow pets onboard?

    Many airlines flying from Illinois to Philadelphia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Philadelphia?

    Yes, you can often find last-minute deals on Illinois to Philadelphia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Philadelphia flight deals updated?

    The Illinois to Philadelphia flight deals you see on this page were last updated on 6/6.

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

  • What is the cheapest month to book a flight from Illinois to Philadelphia?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Philadelphia (average of $227). Flying from Illinois to Philadelphia in July is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Illinois to Philadelphia

Discover the top 5 airlines that operate flights from Illinois to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$118FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$74Average$151FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$147Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$148Average$475FlexibilityNo cancel feeOn-time71%
DeltaCheapest$178Average$354FlexibilityNo cancel feeOn-timeN/A

Search flights from Illinois to Philadelphia by cabin class

Find flights from Illinois to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Illinois to Philadelphia

Find hourly flight availability from Illinois to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 6, 2024.
20%of flight departuresEarly morningMidnight to 6 am
19%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
11%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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