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

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 7/2. 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.
PHL — ORD
May 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
1 adult, Economy
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How far in advance should I book a flight from Philadelphia to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 61% on flights from Philadelphia to Illinois compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $186. For sooner than that we have options available in the next 3 days from $312.

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

September can be a great time to fly to Illinois from Philadelphia with a flight ticket averaging about $211. Cheapflights users have found deals in the month of September for as cheap as $60. The most expensive prices can be found in the month of February.

When is the cheapest time to fly from Philadelphia to Illinois (PHL - IL)?

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.

Cheap Spirit Airlines flights from Philadelphia to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Philadelphia and Illinois. 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 2,632,958 searches. Data last updated May 14, 2024.
Peruse some of the lowest-priced Spirit Airlines flights we've found from Philadelphia to Illinois. Make sure to check back often as deals are often changing.
Tue 6/45:10 amPHL - ORD
1 stop12h 25mSpirit Airlines
Tue 6/1111:02 amORD - PHL
1 stop12h 44mSpirit Airlines
Deal found 5/13$86
Tue 6/45:10 amPHL - ORD
1 stop12h 25mSpirit Airlines
Tue 6/119:37 pmORD - PHL
1 stop9h 29mSpirit Airlines
Deal found 5/14$89
Wed 5/295:10 amPHL - ORD
1 stop13h 30mSpirit Airlines
Fri 5/318:21 pmORD - PHL
1 stop10h 43mSpirit Airlines
Deal found 5/13$98
Tue 6/115:05 amPHL - ORD
1 stop12h 23mSpirit Airlines
Wed 6/127:40 amORD - PHL
1 stop8h 36mSpirit Airlines
Deal found 5/13$104
Mon 5/207:57 pmPHL - ORD
1 stop14h 58mSpirit Airlines
Tue 5/219:25 pmORD - PHL
1 stop9h 39mSpirit Airlines
Deal found 5/13$106
Wed 5/295:10 amPHL - ORD
1 stop13h 30mSpirit Airlines
Sat 6/19:25 pmORD - PHL
1 stop14h 18mSpirit Airlines
Deal found 5/13$109
Tue 5/216:00 amPHL - ORD
1 stop27h 45mSpirit Airlines
Wed 5/229:15 pmORD - PHL
1 stop26h 23mSpirit Airlines
Deal found 5/13$111
Tue 5/214:35 pmPHL - ORD
1 stop7h 54mSpirit Airlines
Tue 5/286:40 pmORD - PHL
1 stop13h 20mSpirit Airlines
Deal found 5/13$115
Tue 5/214:35 pmPHL - ORD
1 stop7h 54mSpirit Airlines
Wed 5/2910:58 amORD - PHL
1 stop12h 44mSpirit Airlines
Deal found 5/13$117

Cheap Sun Country Air flights from Philadelphia to Illinois

Explore cheap flight options specifically provided by Sun Country Air for the route between Philadelphia and Illinois. 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 2,632,958 searches. Data last updated May 14, 2024.
Have a look at some of the cheapest available Sun Country Air flights departing from Philadelphia and landing in Illinois. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 6/1012:13 pmPHL - ORD
1 stop7h 53mSun Country Air
Mon 6/178:05 pmORD - PHL
1 stop13h 38mSun Country Air
Deal found 5/13$113
Thu 6/206:40 amPHL - ORD
1 stop13h 30mSun Country Air
Mon 6/248:05 pmORD - PHL
1 stop13h 38mSun Country Air
Deal found 5/13$115
Fri 6/712:13 pmPHL - ORD
1 stop7h 53mSun Country Air
Mon 6/108:05 pmORD - PHL
1 stop13h 24mSun Country Air
Deal found 5/13$140
Fri 6/1412:06 pmPHL - ORD
1 stop8h 00mSun Country Air
Wed 6/198:05 pmORD - PHL
1 stop14h 11mSun Country Air
Deal found 5/12$145
Thu 5/2312:35 pmPHL - ORD
1 stop7h 28mSun Country Air
Sun 5/268:30 amORD - PHL
1 stop25h 36mSun Country Air
Deal found 5/13$258

Cheap Philadelphia to Illinois flights in May & June 2024

Find cheap flight options from Philadelphia to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Prices were last updated on May 14, 2024.
These are some of the most attractive deals on flights from Philadelphia to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 6/810:42 pmPHL - ORD
Nonstop2h 21mFrontier
Sat 6/156:41 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/14$56
Sat 6/1510:42 pmPHL - ORD
Nonstop2h 21mFrontier
Tue 6/185:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/13$58
Sat 5/256:41 pmPHL - MDW
Nonstop2h 16mFrontier
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$58
Wed 5/228:59 amPHL - ORD
Nonstop2h 22mFrontier
Sun 5/265:45 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/14$59
Wed 5/2212:56 pmPHL - MDW
Nonstop2h 13mFrontier
Thu 5/232:28 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/14$59
Tue 5/219:31 amPHL - ORD
Nonstop2h 22mMultiple Airlines
Wed 5/2910:58 amORD - PHL
1 stop12h 44mMultiple Airlines
Deal found 5/13$61
Wed 5/228:59 amPHL - ORD
Nonstop2h 22mFrontier
Sun 5/265:45 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/13$62
Tue 5/218:00 amPHL - MDW
Nonstop2h 21mFrontier
Thu 5/302:28 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/13$62
Wed 5/228:59 amPHL - ORD
Nonstop2h 22mMultiple Airlines
Wed 5/2910:58 amORD - PHL
1 stop12h 44mMultiple Airlines
Deal found 5/13$63

Philadelphia to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Philadelphia and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
These are some of the most attractive deals on flights from Philadelphia to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 6/1510:42 pmPHL - ORD
Nonstop2h 21mFrontier
Tue 6/185:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/13$58
Tue 7/166:00 amPHL - MDW
Nonstop2h 13mFrontier
Tue 7/2310:26 amMDW - PHL
Nonstop1h 59mFrontier
Deal found 5/13$58
Wed 5/228:59 amPHL - ORD
Nonstop2h 22mFrontier
Sun 5/265:45 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/14$59
Wed 5/2212:56 pmPHL - MDW
Nonstop2h 13mFrontier
Thu 5/232:28 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/14$59
Tue 5/219:31 amPHL - ORD
Nonstop2h 22mMultiple Airlines
Wed 5/2910:58 amORD - PHL
1 stop12h 44mMultiple Airlines
Deal found 5/13$61
Wed 5/228:59 amPHL - ORD
Nonstop2h 22mFrontier
Sun 5/265:45 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/13$62
Tue 5/218:00 amPHL - MDW
Nonstop2h 21mFrontier
Thu 5/302:28 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/13$62
Wed 5/228:59 amPHL - ORD
Nonstop2h 22mMultiple Airlines
Wed 5/2910:58 amORD - PHL
1 stop12h 44mMultiple Airlines
Deal found 5/13$63
Sat 6/16:41 pmPHL - MDW
Nonstop2h 16mFrontier
Mon 6/310:02 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$65

Non-stop flights to Illinois from Philadelphia

Discover non-stop flight options from Philadelphia to Illinois. 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 2,632,958 searches. Data last updated May 14, 2024.
For a shorter flight, select one of these non-stop flights from Philadelphia to Illinois. Users seeking other options on flights from Philadelphia to Illinois should update the search form at the top of the page.
Sat 6/19:09 amPHL - ORD
Nonstop2h 22mFrontier
Tue 6/45:35 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/13$73
Sat 6/89:38 amPHL - MDW
Nonstop2h 17mFrontier
Wed 6/122:29 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/13$73
Tue 6/259:10 amPHL - ORD
Nonstop2h 21mFrontier
Mon 7/15:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/14$74
Sat 7/65:54 pmPHL - MDW
Nonstop2h 13mFrontier
Tue 7/910:26 amMDW - PHL
Nonstop1h 59mFrontier
Deal found 5/14$74
Thu 5/306:24 pmPHL - MDW
Nonstop2h 16mFrontier
Mon 6/310:02 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$75
Tue 5/289:31 amPHL - ORD
Nonstop2h 22mFrontier
Fri 5/315:01 amORD - PHL
Nonstop2h 03mFrontier
Deal found 5/13$76
Fri 7/55:11 pmPHL - MDW
Nonstop2h 13mFrontier
Tue 7/910:26 amMDW - PHL
Nonstop1h 59mFrontier
Deal found 5/13$76
Thu 6/69:10 amPHL - ORD
Nonstop2h 21mFrontier
Tue 6/115:01 amORD - PHL
Nonstop2h 02mFrontier
Deal found 5/13$77
Tue 6/118:08 pmPHL - MDW
Nonstop2h 12mFrontier
Mon 6/242:35 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/13$77

Philadelphia to Illinois flights leaving soon

Find last-minute flight options from Philadelphia to Illinois 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 2,632,958 searches. Data last updated May 14, 2024.
Have a look at some of the last-minute flights available departing from Philadelphia to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 5/2212:56 pmPHL - MDW
Nonstop2h 13mFrontier
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$49
Tue 5/218:00 amPHL - MDW
Nonstop2h 21mFrontier
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$52
Sat 5/256:41 pmPHL - MDW
Nonstop2h 16mFrontier
Tue 6/410:16 amMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$55
Sat 5/256:41 pmPHL - MDW
Nonstop2h 16mFrontier
Wed 5/293:04 pmMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$58
Tue 5/218:00 amPHL - MDW
Nonstop2h 21mFrontier
Thu 5/302:28 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/13$62
Mon 5/205:20 pmPHL - MDW
Nonstop2h 13mFrontier
Tue 5/2110:16 amMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$67
Sun 5/266:29 pmPHL - MDW
Nonstop2h 16mFrontier
Tue 6/410:16 amMDW - PHL
Nonstop2h 03mFrontier
Deal found 5/13$68
Tue 5/218:00 amPHL - MDW
Nonstop2h 21mFrontier
Sat 5/252:35 pmMDW - PHL
Nonstop2h 01mFrontier
Deal found 5/13$69
Tue 5/219:31 amPHL - ORD
Nonstop2h 22mMultiple Airlines
Thu 5/306:40 pmORD - PHL
1 stop13h 20mMultiple Airlines
Deal found 5/13$77

One-way flights to Illinois from Philadelphia

Search for one-way flight options from Philadelphia to Illinois. 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 2,632,958 searches. Data last updated May 14, 2024.
Some of the best available deals we've found on one-way flights from Philadelphia to Illinois. Users needing a return flight from Philadelphia to Illinois should utilize the search form above.
Tue 7/28:08 pmPHL - MDW
Nonstop2h 12mFrontier
Deal found 5/12$33
Tue 7/166:00 amPHL - MDW
Nonstop2h 13mFrontier
Deal found 5/13$34
Wed 7/175:49 pmPHL - MDW
Nonstop2h 13mFrontier
Deal found 5/14$37
Thu 5/236:24 pmPHL - MDW
Nonstop2h 16mFrontier
Deal found 5/13$38
Thu 5/239:31 amPHL - ORD
Nonstop2h 22mFrontier
Deal found 5/13$39
Fri 5/3112:14 pmPHL - MDW
Nonstop2h 13mFrontier
Deal found 5/13$39
Sat 8/39:17 amPHL - STL
Nonstop2h 30mFrontier
Deal found 5/13$39
Sat 6/2210:42 pmPHL - ORD
Nonstop2h 21mFrontier
Deal found 5/12$40
Thu 7/46:42 pmPHL - MDW
Nonstop2h 14mFrontier
Deal found 5/13$40

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 2,632,958 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$55 - $131

Route

Depart

Return

Price

PhiladelphiaChicago Midway

PHL - MDW

PHLMDW

Philadelphia

Wed 5/29

Nonstop2h 13m

Chicago Midway

Tue 6/4

Nonstop2h 03m

$55

PhiladelphiaChicago Midway

PHL - MDW

PHLMDW

Philadelphia

Tue 7/16

Nonstop2h 13m

Chicago Midway

Tue 7/23

Nonstop1h 59m

$58

PhiladelphiaLambert-St Louis

PHL - STL

PHLSTL

Philadelphia

Wed 5/29

Nonstop2h 27m

Lambert-St Louis

Wed 6/26

Nonstop2h 12m

$58

PhiladelphiaChicago Midway

PHL - MDW

PHLMDW

Philadelphia

Tue 6/25

Nonstop2h 12m

Chicago Midway

Tue 7/2

Nonstop2h 02m

$61

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Tue 6/4

1 stop13h 30m

Chicago O'Hare Intl

Wed 6/5

Nonstop2h 02m

$74

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Tue 5/21

Nonstop2h 22m

Chicago O'Hare Intl

Thu 5/30

1 stop13h 20m

$77

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Tue 6/4

1 stop12h 25m

Chicago O'Hare Intl

Tue 6/11

1 stop12h 44m

$86

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Mon 6/10

1 stop7h 53m

Chicago O'Hare Intl

Mon 6/17

1 stop13h 38m

$113

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Sat 5/25

Nonstop2h 23m

Chicago O'Hare Intl

Sat 5/25

Nonstop1h 57m

$131

Flights are sorted by cheapest first

Deals found on 5/13

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

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 May 14, 2024.
See what other customers who have flown with Spirit Airlines, Sun Country Air and Frontier 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.
Southwest
8.2
Very good
6,045 reviews
Check prices

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Crew

8.7

Food

7.3

Overall

8.2

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
6,045 reviews
Southwest
8.2
Very good
6,045 reviews
Check prices

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Crew

8.7

Food

7.3

Overall

8.2

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
10,706 reviews
Southwest
8.2
Very good
6,045 reviews
Check prices

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Crew

8.7

Food

7.3

Overall

8.2

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
10,959 reviews
Southwest
8.2
Very good
6,045 reviews
Check prices

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Crew

8.7

Food

7.3

Overall

8.2

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
14,561 reviews
Southwest
8.2
Very good
6,045 reviews
Check prices

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Crew

8.7

Food

7.3

Overall

8.2

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
635 reviews
Southwest
8.2
Very good
6,045 reviews
Check prices

Comfort

8.1

Boarding

8.3

Entertainment

7.8

Crew

8.7

Food

7.3

Overall

8.2

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 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 $55, but on average you can expect to pay $67.

  • 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 $78.

  • 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: Tuesday, Friday, Saturday.

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

    On average, you can expect to see 12 flights from Philadelphia to Illinois a day.
    Morning (6am - Noon) - 25% of flight departures
    Afternoon (Noon - 6pm) - 25% of flight departures
    Evening (6pm - Midnight) - 50% of flight departures

  • How long is the flight from Philadelphia to Illinois?

    Frontier can get you from Philadelphia to Illinois in just under 2h 13m. 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 $45 and $51 on Spirit Airlines and Sun Country Air, respectively.

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

    While some choose either Philadelphia - Chicago Midway or Philadelphia - Lambert-St Louis, Philadelphia - Chicago O'Hare Intl is the most popular route from Philadelphia to Illinois.

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

    The most popular airlines flying from Philadelphia to Illinois are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

  • 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: SkyWest Airlines (100%), Copa Airlines (100%), Republic Airways (100%).

  • What are the cheapest flights from Philadelphia to Illinois?

    The cheapest flight price from Philadelphia to Illinois is $59. On average you can expect to pay $1,005. The most popular route, (Philadelphia - Chicago O'Hare Intl), can usually be booked for $69.

  • 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), Springfield Capital Airport (SPI).

  • 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 5/14.

See more FAQs

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

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Top 5 airlines flying from Philadelphia to Illinois

Discover the top 5 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 2,632,958 searches. Data last updated May 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$162FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$81Average$180FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$137Average$493FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$138Average$411FlexibilityNo cancel feeOn-time69%
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Search flights from Philadelphia to Illinois by cabin class

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

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 May 14, 2024.
25%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
10%of flight departuresEvening6 pm to midnight
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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 Philadelphia to Illinois?

Cheapflights makes it easy to find Philadelphia to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Illinois from Philadelphia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Illinois from Philadelphia 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 Philadelphia to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Philadelphia to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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