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$49+ Cheap flights from Islip (ISP) 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ORD
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
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Find flight deals from Islip to Illinois

Cheapest flights from Islip to Illinois
Explore the most affordable flight options available from Islip 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 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/135:45 amISP - ORD
1 stop7h 20mFrontier
Wed 11/201:11 pmORD - ISP
1 stop10h 33mFrontier
Deal found 10/30$100
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/145:45 amISP - STL
1 stop27h 11mFrontier
Mon 11/1812:41 pmSTL - ISP
1 stop10h 58mFrontier
Deal found 10/31$184
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/181:57 pmISP - ORD
3 stops23h 07mMultiple Airlines
Wed 11/207:46 pmORD - ISP
2 stops16h 31mMultiple Airlines
Deal found 10/30$265
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/85:35 amISP - ORD
1 stop9h 25mSouthwest
Mon 12/95:45 amORD - ISP
1 stop3h 55mSouthwest
Deal found 10/30$366
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/612:10 pmISP - STL
1 stop8h 20mSouthwest
Wed 11/131:10 pmSTL - ISP
2 stops8h 05mSouthwest
Deal found 10/30$631

Find flights from Islip to Illinois within your budget

Customize your flight search to find flights from Islip 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

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 11/13

5:45 am-12:05 pm

1 stop7h 20m

$49

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Mon 11/18

5:45 am-11:40 am

1 stop6h 55m

$53

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Fri 1/24

1:57 pm-7:38 am

3 stops18h 41m

$178

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 11/28

5:30 am-2:15 pm

2 stops9h 45m

$258

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Fri 1/24

7:25 pm-11:45 am

3 stops41h 20m

$234

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 11/13

5:45 am-12:05 pm

1 stop7h 20m

Chicago O'Hare Intl

Wed 11/20

1:11 pm-12:44 am

1 stop10h 33m

$100

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Mon 11/18

1:57 pm-12:04 pm

3 stops23h 07m

Chicago O'Hare Intl

Wed 11/20

7:46 pm-1:17 pm

2 stops16h 31m

$265

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Sun 12/8

5:35 am-2:00 pm

1 stop9h 25m

Chicago O'Hare Intl

Mon 12/9

5:45 am-10:40 am

1 stop3h 55m

$366

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Thu 11/14

5:45 am-7:56 am

1 stop27h 11m

Lambert-St Louis

Mon 11/18

12:41 pm-12:39 am

1 stop10h 58m

$184

Flights are sorted by cheapest first

Deals found on 10/30

Best time to book a flight from Islip to Illinois

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

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

What is the cheapest month to book a flight from Islip, New York to Illinois?

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Illinois (average of $232). Flying from Islip, New York 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.

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.
Read through reviews of airlines operating flights from Islip to Illinois, such as Southwest and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.3

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

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

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

Comfort

8.1

Entertainment

7.7

Boarding

8.3

Food

7.2

Crew

8.7

Overall

8.1

Reviews

1 / 10

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

Frontier
6.1
Okay
3,580 reviews
Southwest
8.1
Very good
5,116 reviews

Comfort

8.1

Entertainment

7.7

Boarding

8.3

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 Islip 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 Islip to Illinois?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Illinois.

  • Can I find flights from Islip, New York to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $100, but on average you can expect to pay $228.

  • Are there last-minute flights available from Islip, New York to Illinois for under $300?

    There are currently 5+ open flights from Islip, New York to Illinois within the next 7 days for less than $300.

  • What are the most popular routes from Islip, New York to Illinois?

    Most travelers choose Islip Long Island - Chicago O'Hare Intl, Islip Long Island - Lambert-St Louis or Islip Long Island - Decatur Arpt when deciding on the best route from Islip, New York to Illinois.

  • What does ISP to ORD mean?

    Islip Long Island Airport is ISP 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. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI) are other airports near this flight route and their unique identifiers/IATA codes.

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

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

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

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

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

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

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

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

    Many airlines flying from Islip 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 Islip to Illinois?

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

    The Islip, New York 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 Islip, New York to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Illinois (average of $232). Flying from Islip, New York 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

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Top airline flying from Islip to Illinois

Discover the top airline that operate flights from Islip 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$243Average$328FlexibilityNo cancel feeOn-time62%
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