Illinois

$33+ Cheap flights from Philadelphia (PHL) to Illinois

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ORD
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Philadelphia to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Philadelphia to Illinois

Cheapest flights from Philadelphia to Illinois
Explore the most affordable flight options available from Philadelphia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Frontier deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/236:00 amPHL - MDW
Nonstop2h 20mFrontier
Sat 11/236:48 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 10/31$68
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/236:57 pmPHL - ORD
Nonstop2h 26mFrontier
Thu 11/288:51 amORD - PHL
Nonstop2h 06mFrontier
Deal found 10/31$72
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/510:10 amPHL - ORD
Nonstop2h 19mUnited Airlines
Sat 12/72:26 pmORD - PHL
Nonstop2h 03mUnited Airlines
Deal found 10/30$115
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:35 amPHL - MDW
Nonstop2h 10mSouthwest
Sat 12/76:00 pmMDW - PHL
Nonstop1h 55mSouthwest
Deal found 10/29$127
This Expedia deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/207:22 amPHL - ORD
1 stop13h 53mMultiple Airlines
Sat 11/239:19 pmORD - PHL
Nonstop1h 59mMultiple Airlines
Deal found 10/30$142
This eDestinos deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/234:21 pmPHL - MDW
Nonstop2h 17mMultiple Airlines
Sun 11/246:53 pmMDW - PHL
1 stop16h 27mMultiple Airlines
Deal found 10/31$144
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:45 amPHL - ORD
Nonstop2h 33mAmerican Airlines
Sun 12/86:30 amORD - PHL
Nonstop2h 00mAmerican Airlines
Deal found 10/30$146
This FareScan deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/135:05 amPHL - ORD
3 stops26h 20mSpirit Airlines
Tue 11/191:40 pmORD - PHL
1 stop9h 36mSpirit Airlines
Deal found 10/30$171
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/136:00 amPHL - ORD
1 stop4h 35mDelta
Wed 11/131:35 pmORD - PHL
1 stop5h 01mDelta
Deal found 10/30$191
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/139:37 amPHL - MDW
1 stop4h 12mDelta
Mon 11/185:42 pmMDW - PHL
1 stop4h 33mDelta
Deal found 10/30$196
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:23 amPHL - MLI
1 stop9h 29mAmerican Airlines
Thu 1/912:55 pmMLI - PHL
1 stop4h 00mAmerican Airlines
Deal found 10/30$248
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/85:30 amPHL - STL
1 stop4h 52mDelta
Thu 12/126:00 amSTL - PHL
1 stop5h 07mDelta
Deal found 10/30$262

Find flights from Philadelphia to Illinois within your budget

Customize your flight search to find flights from Philadelphia to Illinois 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 11/28

6:20 am-7:46 am

Nonstop2h 26m

$39

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 12/5

7:20 am-8:48 am

Nonstop2h 28m

$58

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Wed 12/4

7:35 am-8:45 am

Nonstop2h 10m

$58

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 1/11

5:10 pm-6:41 pm

Nonstop2h 31m

$69

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 12/3

9:18 pm-10:32 am

2 stops14h 14m

$75

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Fri 11/8

7:25 pm-8:46 pm

Nonstop2h 21m

$39

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 1/7

10:59 am-5:53 pm

1 stop7h 54m

$90

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 12/17

3:01 pm-10:07 am

2 stops20h 06m

$93

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 12/9

4:44 pm-11:58 pm

1 stop8h 14m

$98

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Mon 1/6

11:56 am-6:05 pm

1 stop7h 09m

$106

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Philadelphia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Philadelphia 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.

Travel insights for flights from Philadelphia to Illinois

Get recent, data-driven insights about flights from Philadelphia to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Illinois (average of $232). Flying from Philadelphia to Illinois in June is currently the most expensive (average of $308). 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.

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

Find hourly flight availability from Philadelphia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated October 31, 2024.
See what other customers who have flown with Spirit Airlines, United Airlines and Southwest from Philadelphia to Illinois have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,116 reviews

Boarding

8.3

Entertainment

7.7

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,116 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Entertainment

7.7

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,835 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Entertainment

7.7

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.5
Good
3,514 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Entertainment

7.7

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,240 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Entertainment

7.7

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.2
Good
10,000 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Entertainment

7.7

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Illinois. 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 from for flights from Philadelphia to Illinois?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Illinois.

  • 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 Frontier for just $62, but on average you can expect to pay $188.

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

    Cheapflights has at least 7 direct flights from Philadelphia to Illinois under $100. A good price for a nonstop flight from Philadelphia to Illinois is less than $160.

  • 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 days are nonstop flights available from Philadelphia to Illinois?

    Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

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

    On average, you can expect to see 113 flights from Philadelphia to Illinois a day.
    Early Morning (Midnight to 6am) - 15% of flight departures
    Morning (6am - Noon) - 35% of flight departures
    Afternoon (Noon - 6pm) - 28% of flight departures
    Evening (6pm - Midnight) - 22% of flight departures

  • How long is the flight from Philadelphia to Illinois?

    Frontier, United Airlines, and Southwest can get you from Philadelphia to Illinois in just under 2h 10m. Your travel time will be generally consistent. The distance from Philadelphia to Illinois is about 680 mi. Generally, flights for this route are nonstop.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $33. Users have also found prices from $58 and $58 on American Airlines and Southwest, respectively.

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Philadelphia to Illinois on time: ANA (95%), Japan Airlines (94%), SWISS (90%).

  • What are the cheapest flights from Philadelphia to Illinois?

    The cheapest flight price from Philadelphia to Illinois is $43. On average you can expect to pay $824. The most popular route, (Philadelphia - Chicago O'Hare Intl), can usually be booked for $87.

  • What does PHL to ORD mean?

    Philadelphia Airport is PHL and Chicago O'Hare Intl Airport is ORD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

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

    The amount of baggage you can bring on your Philadelphia to Illinois 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 Philadelphia to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Philadelphia to Illinois 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 Philadelphia to Illinois that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Illinois 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 Philadelphia to Illinois that allow pets onboard?

    Many airlines flying from Philadelphia to Illinois 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 Philadelphia to Illinois?

    Yes, you can often find last-minute deals on Philadelphia to Illinois 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 Philadelphia to Illinois flight deals updated?

    The Philadelphia to Illinois flight deals you see on this page were last updated on 10/31.

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

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Illinois (average of $232). Flying from Philadelphia to Illinois in June is currently the most expensive (average of $308). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Philadelphia to Illinois

Discover the top 6 airlines that operate flights from Philadelphia to Illinois. 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$122FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$167FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$124Average$244FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$134Average$486FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$148Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$186Average$302FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.