Cheap flights from Islip, NY to Chicago, IL
Choose between Frontier Airlines, Spirit Airlines, or BREEZE to find the best price
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Chicago
Most popular airline | Frontier Airlines |
---|
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Sorry, we couldn't find any results
Sorry, we couldn't find any results
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at O Hare International, Chicago Midway International, or Chicago Rockford International. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, BREEZE, Allegiant Air, and JetBlue Airways. Islip and Chicago have 151 direct flights per week.
Check-in for a flight from Islip to Chicago
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
BREEZE | MX | No | No | |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Chicago
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -6°C |
February | 0°C | -5°C |
March | 6°C | 0°C |
April | 11°C | 4°C |
May | 17°C | 10°C |
June | 22°C | 16°C |
July | 25°C | 20°C |
August | 25°C | 19°C |
September | 22°C | 16°C |
October | 15°C | 10°C |
November | 8°C | 3°C |
December | 2°C | -1°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Islip
- Flights from Islip to Atlanta
- Flights from Islip to West Palm Beach
- Flights from Islip to Orlando
- Flights from Islip to Denver
- Flights from Islip to New York
- Flights from Islip to Las Vegas
- Flights from Islip to Miami
- Flights from Islip to Los Angeles
- Flights from Islip to Mexico City
- Flights from Islip to Bogotá
- Flights from Islip to Dallas
- Flights from Islip to Phoenix
- Flights from Islip to Philadelphia
- Flights from Islip to San Francisco
- Flights from Islip to Cancún
- Flights from Islip to Houston
- Flights from Islip to San Juan
- Flights from Islip to Washington, D.C.
- Flights from Islip to Dhaka
- Flights from Islip to Fort Lauderdale
Flights to Chicago
- Flights from London to Chicago
- Flights from Dublin to Chicago
- Flights from Manchester to Chicago
- Flights from Toronto to Chicago
- Flights from Athens to Chicago
- Flights from Orlando to Chicago
- Flights from San Francisco to Chicago
- Flights from Hyderabad to Chicago
- Flights from New York to Chicago
- Flights from Las Vegas to Chicago
- Flights from Edinburgh to Chicago
- Flights from Denver to Chicago
- Flights from Bangkok to Chicago
- Flights from Minneapolis to Chicago
- Flights from Riga to Chicago
- Flights from Glasgow to Chicago
- Flights from Austin to Chicago
- Flights from San Juan to Chicago
- Flights from Edmonton to Chicago
- Flights from Tallinn to Chicago
Popular routes
- Flights from London to Alicante
- Flights from New Orleans to Trenton
- Flights from London to Tirana
- Flights from Fresno to Madison
- Flights from Alicante to San José
- Flights from Algiers to Larnaca
- Flights from Muscat to Sharm El Sheikh
- Flights from Sacramento to Anchorage
- Flights from Fargo to Santa Ana
- Flights from Juba to Washington, D.C.
- Flights from Palm Springs to Tampa
- Flights from Varna to Beirut