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Cheap flights from Illinois to Philadelphia (PHL) from $29

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 6/19. 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
May 28 — Jun 41
From?
To?
Tue 5/28
Tue 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 $205 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.

When is the cheapest time to fly from Illinois to Philadelphia (IL - 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 Spirit Airlines flights from Illinois to Philadelphia

Explore cheap flight options specifically provided by Spirit Airlines for the route between Illinois and Philadelphia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 23, 2024.
Take a look at some of the lowest-priced Spirit Airlines flights heading from Illinois to Philadelphia. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 5/296:40 pmORD - PHL
1 stop13h 20mSpirit Airlines
Tue 6/47:43 pmPHL - ORD
1 stop15h 18mSpirit Airlines
Deal found 5/22$100
Tue 6/113:23 pmSTL - PHL
1 stop16h 37mSpirit Airlines
Wed 6/126:06 pmPHL - STL
2 stops24h 22mSpirit Airlines
Deal found 5/22$109
Wed 5/296:40 pmORD - PHL
1 stop13h 20mSpirit Airlines
Wed 6/54:30 pmPHL - ORD
1 stop8h 20mSpirit Airlines
Deal found 5/22$120
Fri 6/79:10 pmORD - PHL
2 stops24h 52mSpirit Airlines
Tue 6/115:05 amPHL - ORD
1 stop13h 35mSpirit Airlines
Deal found 5/22$123
Tue 6/119:19 amORD - PHL
2 stops14h 27mSpirit Airlines
Wed 6/1210:29 amPHL - ORD
1 stop11h 18mSpirit Airlines
Deal found 5/23$124
Sat 6/89:37 pmORD - PHL
1 stop13h 51mSpirit Airlines
Tue 6/115:05 amPHL - ORD
1 stop13h 35mSpirit Airlines
Deal found 5/22$132
Wed 5/296:40 pmORD - PHL
1 stop13h 20mSpirit Airlines
Mon 6/37:57 pmPHL - ORD
2 stops28h 13mSpirit Airlines
Deal found 5/22$138
Tue 6/49:35 amORD - PHL
3 stops21h 31mSpirit Airlines
Wed 6/54:30 pmPHL - ORD
1 stop8h 20mSpirit Airlines
Deal found 5/21$140
Wed 7/316:43 pmORD - PHL
1 stop13h 17mSpirit Airlines
Wed 8/711:07 amPHL - ORD
1 stop10h 40mSpirit Airlines
Deal found 5/22$141

Cheap American Airlines flights from Illinois to Philadelphia

Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Philadelphia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 23, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Illinois and landing in Philadelphia. Deals are refreshing constantly so come back soon for more options.
Tue 6/1112:56 pmSTL - PHL
Nonstop2h 16mAmerican Airlines
Wed 6/127:14 pmPHL - STL
Nonstop2h 42mAmerican Airlines
Deal found 5/22$131
Sat 6/84:45 pmSTL - PHL
Nonstop2h 17mAmerican Airlines
Tue 6/117:14 pmPHL - STL
Nonstop2h 42mAmerican Airlines
Deal found 5/22$134
Sat 6/86:08 amSTL - PHL
Nonstop2h 17mAmerican Airlines
Tue 6/1110:40 amPHL - STL
Nonstop2h 36mAmerican Airlines
Deal found 5/23$135
Tue 6/46:40 amSTL - PHL
Nonstop2h 10mAmerican Airlines
Wed 6/127:14 pmPHL - STL
Nonstop2h 42mAmerican Airlines
Deal found 5/22$151
Wed 9/46:37 amSTL - PHL
Nonstop2h 13mAmerican Airlines
Sun 9/88:26 amPHL - STL
Nonstop2h 28mAmerican Airlines
Deal found 5/21$156
Wed 5/296:40 amSTL - PHL
Nonstop2h 10mAmerican Airlines
Tue 6/48:51 amPHL - STL
Nonstop2h 38mAmerican Airlines
Deal found 5/22$171

Cheap Illinois to Philadelphia flights in May & June 2024

Find cheap flight options from Illinois to Philadelphia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on May 23, 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.
Tue 6/45:35 amORD - PHL
Nonstop2h 03mFrontier
Wed 6/59:09 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/22$58
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Wed 6/59:09 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/22$61
Tue 6/185:01 amORD - PHL
Nonstop2h 02mFrontier
Sat 6/2210:42 pmPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/22$68
Tue 6/185:01 amORD - PHL
Nonstop2h 02mFrontier
Sat 6/2210:42 pmPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/22$71
Wed 6/56:40 pmORD - PHL
1 stop13h 20mMultiple Airlines
Sat 6/810:42 pmPHL - ORD
Nonstop2h 21mMultiple Airlines
Deal found 5/23$73
Wed 6/122:29 pmMDW - PHL
Nonstop2h 01mFrontier
Sat 6/159:38 amPHL - MDW
Nonstop2h 17mFrontier
Deal found 5/22$76
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Thu 5/306:24 pmPHL - MDW
Nonstop2h 16mFrontier
Deal found 5/22$77
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Sat 6/19:09 amPHL - ORD
Nonstop2h 22mFrontier
Deal found 5/23$77
Thu 5/302:28 pmMDW - PHL
Nonstop2h 01mFrontier
Tue 6/48:00 amPHL - MDW
Nonstop2h 21mFrontier
Deal found 5/22$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 2,730,072 searches. Data last updated May 23, 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.
Wed 6/56:40 pmORD - PHL
1 stop13h 20mMultiple Airlines
Sat 6/810:42 pmPHL - ORD
Nonstop2h 21mMultiple Airlines
Deal found 5/23$73
Wed 6/122:29 pmMDW - PHL
Nonstop2h 01mFrontier
Sat 6/159:38 amPHL - MDW
Nonstop2h 17mFrontier
Deal found 5/22$76
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Thu 5/306:24 pmPHL - MDW
Nonstop2h 16mFrontier
Deal found 5/22$77
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Sat 6/19:09 amPHL - ORD
Nonstop2h 22mFrontier
Deal found 5/23$77
Tue 7/910:20 pmMDW - PHL
Nonstop2h 03mFrontier
Wed 8/218:56 amPHL - MDW
Nonstop2h 13mFrontier
Deal found 5/21$78
Tue 7/165:25 amORD - PHL
Nonstop2h 03mFrontier
Tue 7/239:23 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/22$78
Wed 6/1210:36 pmSTL - PHL
Nonstop2h 12mFrontier
Sat 6/1512:51 pmPHL - STL
Nonstop2h 27mFrontier
Deal found 5/22$78
Sat 6/12:35 pmMDW - PHL
Nonstop2h 01mFrontier
Mon 6/37:46 pmPHL - MDW
Nonstop2h 21mFrontier
Deal found 5/22$79
Tue 6/115:18 pmORD - PHL
1 stop6h 28mMultiple Airlines
Tue 6/189:10 amPHL - ORD
Nonstop2h 21mMultiple Airlines
Deal found 5/23$79

Non-stop flights to Philadelphia from Illinois

Discover non-stop flight options from Illinois to Philadelphia. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 23, 2024.
For a quicker trip, book one of these direct flights from Illinois to Philadelphia. Users seeking other options on flights from Illinois to Philadelphia should update the search form at the top of the page.
Wed 6/52:29 pmMDW - PHL
Nonstop2h 01mFrontier
Wed 6/1212:21 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 5/22$57
Tue 6/1110:16 pmMDW - PHL
Nonstop2h 02mFrontier
Wed 6/1212:21 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 5/23$58
Tue 6/1810:16 pmMDW - PHL
Nonstop2h 02mFrontier
Tue 6/258:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 5/22$60
Tue 6/1810:16 pmMDW - PHL
Nonstop2h 02mFrontier
Tue 6/258:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 5/22$61
Tue 6/410:16 amMDW - PHL
Nonstop2h 03mFrontier
Wed 6/512:21 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 5/21$67
Tue 6/1810:16 pmMDW - PHL
Nonstop2h 02mFrontier
Sat 6/229:38 amPHL - MDW
Nonstop2h 17mFrontier
Deal found 5/23$68
Tue 6/1810:16 pmMDW - PHL
Nonstop2h 02mFrontier
Wed 6/2612:21 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 5/22$70
Tue 6/2510:16 pmMDW - PHL
Nonstop2h 02mFrontier
Tue 7/28:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 5/22$71
Wed 6/122:29 pmMDW - PHL
Nonstop2h 01mFrontier
Sat 6/159:38 amPHL - MDW
Nonstop2h 17mFrontier
Deal found 5/22$76

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 2,730,072 searches. Data last updated May 23, 2024.
Check out these flights departing soon from Illinois to Philadelphia. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Wed 6/59:09 amPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/22$61
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Thu 5/306:24 pmPHL - MDW
Nonstop2h 16mFrontier
Deal found 5/22$77
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Sat 6/19:09 amPHL - ORD
Nonstop2h 22mFrontier
Deal found 5/23$77
Thu 5/302:28 pmMDW - PHL
Nonstop2h 01mFrontier
Tue 6/48:00 amPHL - MDW
Nonstop2h 21mFrontier
Deal found 5/22$78
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Thu 5/309:31 amPHL - ORD
Nonstop2h 22mFrontier
Deal found 5/22$78
Sat 6/18:57 amSTL - PHL
Nonstop2h 14mFrontier
Sat 6/812:51 pmPHL - STL
Nonstop2h 27mFrontier
Deal found 5/22$78
Sat 6/12:35 pmMDW - PHL
Nonstop2h 01mFrontier
Mon 6/37:46 pmPHL - MDW
Nonstop2h 21mFrontier
Deal found 5/22$79
Fri 5/312:22 pmMDW - PHL
Nonstop2h 01mFrontier
Wed 6/512:21 pmPHL - MDW
Nonstop2h 11mFrontier
Deal found 5/22$80
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Fri 5/318:59 amPHL - ORD
Nonstop2h 22mFrontier
Deal found 5/22$81

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 2,730,072 searches. Data last updated May 23, 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.
Wed 6/195:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/22$29
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/22$30
Tue 6/185:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/22$31
Wed 5/295:01 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/23$33
Tue 6/46:40 pmORD - PHL
1 stop13h 20mSpirit Airlines
Deal found 5/22$34
Tue 6/255:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/22$37
Sat 6/158:53 amMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/22$39
Sat 6/86:41 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/22$39
Sat 6/18:57 amSTL - PHL
Nonstop2h 14mFrontier
Deal found 5/22$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 2,730,072 searches. Data last updated May 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$57 - $131

Route

Depart

Return

Price

Chicago MidwayPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Wed 6/5

Nonstop2h 01m

Philadelphia

Wed 6/12

Nonstop2h 11m

$57

Chicago MidwayPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 6/11

Nonstop2h 02m

Philadelphia

Wed 6/12

Nonstop2h 11m

$58

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 6/4

Nonstop2h 03m

Philadelphia

Wed 6/5

Nonstop2h 21m

$58

Chicago MidwayPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

Tue 6/18

Nonstop2h 02m

Philadelphia

Tue 6/25

Nonstop2h 12m

$60

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Wed 6/5

1 stop13h 20m

Philadelphia

Sat 6/8

Nonstop2h 21m

$73

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Tue 6/11

1 stop6h 28m

Philadelphia

Tue 6/18

Nonstop2h 21m

$79

Lambert-St LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Tue 6/11

1 stop16h 37m

Philadelphia

Wed 6/12

2 stops24h 22m

$109

Chicago O'Hare IntlPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

Mon 6/3

1 stop15h 46m

Philadelphia

Mon 6/10

1 stop7h 53m

$126

Lambert-St LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Tue 6/11

Nonstop2h 16m

Philadelphia

Wed 6/12

Nonstop2h 42m

$131

Flights are sorted by cheapest first

Deals found on 5/22

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 May 23, 2024.
See what other customers who have flown with Spirit Airlines, American Airlines and Frontier 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
6,004 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

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
6,004 reviews
Southwest
8.2
Very good
6,004 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

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

Delta
8.0
Very good
10,561 reviews
Southwest
8.2
Very good
6,004 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
10,852 reviews
Southwest
8.2
Very good
6,004 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

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

American Airlines
7.3
Good
14,395 reviews
Southwest
8.2
Very good
6,004 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

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

Sun Country Air
7.2
Good
608 reviews
Southwest
8.2
Very good
6,004 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Boarding

8.3

Comfort

8.1

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 $57, but on average you can expect to pay $69.

  • 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 $73.

  • 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, Thursday, Friday, Saturday.

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

    Per day, 21 flights depart from Illinois to Philadelphia on average.
    Early Morning (Midnight to 6am) - 5% of flight departures
    Morning (6am - Noon) - 48% of flight departures
    Afternoon (Noon - 6pm) - 29% of flight departures
    Evening (6pm - Midnight) - 19% of flight departures

  • How long is the flight from Illinois to Philadelphia?

    For as low as $57, Frontier can have you in Philadelphia from Illinois in 2h 01m. 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 $29. 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?

    Most travelers choose Chicago O'Hare Intl - Philadelphia, Lambert-St Louis - Philadelphia or Chicago Midway - Philadelphia when deciding on the best route from Illinois to Philadelphia.

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

    Consider SkyWest Airlines (100%), Republic Airways (100%) or Scandinavian Airlines (89%) 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 $1,284, our data indicates the cheapest price to be $49. The most popular route (Chicago O'Hare Intl - Philadelphia), is priced around $79.

  • 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 5/23.

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

    American Airlines, Delta and Frontier are the most popular airlines when flying from Illinois to Philadelphia.

  • When is the best time 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 $226). Flying from Illinois to Philadelphia in July is currently the most expensive (average of $301). 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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See prices for flight routes from nearby airports that may be better suited for you.

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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 2,730,072 searches. Data last updated May 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$123FlexibilityNo cancel feeOn-time62%
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Spirit AirlinesCheapest$74Average$152FlexibilityNo cancel feeOn-time65%
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American AirlinesCheapest$148Average$483FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$155Average$493FlexibilityNo cancel feeOn-time69%
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DeltaCheapest$178Average$345FlexibilityNo cancel feeOn-timeN/A
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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.
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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 May 23, 2024.
5%of flight departuresEarly morningMidnight to 6 am
37%of flight departuresMorning6 am to noon
45%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Philadelphia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Philadelphia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Philadelphia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Philadelphia from Illinois.

Can Cheapflights find flights from Illinois to Philadelphia with no change fees?

Certainly. Search results for flights to Philadelphia from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Illinois to Philadelphia become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Philadelphia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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