$1,242 Cheap flights to Illinois
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Illinois departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Recent flights found to popular cities in Illinois
Find flights to these popular cities in Illinois from your nearest airport.
Flights to Chicago
Search all flight deals to ChicagoFind the cheapest flights from Australia to Illinois
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from Australia to Illinois
All round-trip flight deals to Illinois
See travel insights to Illinois from
Illinois flights insights and trends
Explore insights for your Illinois flight to craft the best travel plan
Cheapest flights to cities in Illinois
Click on the cities below to find out when it's cheapest to fly to Illinois from Australia
Cheap Illinois flight deals and tips
Summary info about Illinois flight prices, duration and airlines
Best One-Way Price | $829 |
|---|---|
Best Round-Trip Price | $1,242 |
Fastest flight time | 21h 27m |
Popular in | December |
Frequently asked questions about flying to Illinois
What is the cheapest flight I can find to Illinois?
For prices as low as $67/pp, you can find flights to Illinois depending on where you are departing from. On average, flights to Illinois cost $778/pp.
What is the best airport to fly into to visit Chicago?
Chicago is about 99% more popular to visit than any other city in Illinois, according to momondo users. When visiting Chicago, it is recommended to fly into Chicago O'Hare Intl Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.
I plan on visiting River North. Which airport is the quickest drive?
The closest airport to River North is Chicago O'Hare Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Chicago Midway Airport.
What are the most popular landmarks in Illinois?
When visiting Illinois, the majority of people tend to find River North, Cloud Gate and Loews Chicago Hotel to be the most notable landmarks in the area.
What is the weather like in Illinois?
The temperatures in Illinois range from -5 °C to 23 °C depending on the time of year. The warmest month in Illinois is July, and the coldest month in Illinois is January. Those looking for a drier month during their visit should travel during the months of January, February, or December, when rain is least likely compared to the rest of the year.
What is the best day of the week to fly to Illinois?
The best day of the week to fly to Illinois is Tuesday due to prices being at their lowest. Flying out on a Monday should be a backup plan since this day tends to be less expensive as well. Saturday, on the other hand, is the most expensive day to fly to Illinois.
When did momondo last update prices for flights to Illinois?
Prices for flights to Illinois refresh daily.
How many operators does momondo search for flights to Illinois?
The number of operators available for flights to Illinois is 15 as of November 2024.
How old do you have to be to fly to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Illinois. Millions of users trust and use momondo every year so you are in good company.
Can I find flights to Illinois with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Illinois with this policy.
How can momondo help me find flights to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Illinois.
I’m not ready to book a flight to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for Illinois and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Illinois
Popular Flights to Illinois
Popular routes according to searches in the past day on momondo
Cheapest flight routes to Illinois
These routes have the cheapest flights to Illinois found by momondo users in Australia
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| Sydney | Chicago | 21h 35m | $1,242 |
| Melbourne | Chicago | 21h 05m | $1,574 |
| Brisbane | Chicago | 27h 21m | $1,700 |
| Sydney | St. Louis | 19h 44m | $1,787 |
| Brisbane | St. Louis | 40h 46m | $1,844 |
| Adelaide | Chicago | 26h 29m | $1,849 |
| Perth | Chicago | 33h 00m | $2,173 |
| Launceston | St. Louis | 32h 15m | $2,294 |
| Cairns | Chicago | 27h 31m | $3,025 |
| Devonport | St. Louis | 33h 30m | $3,391 |
| Melbourne | St. Louis | 40h 48m | $3,592 |
| Brisbane | Moline | 49h 53m | $4,816 |
| Coolangatta | Chicago | 34h 03m | $5,585 |
| Townsville | Chicago | 33h 54m | $6,061 |
| Melbourne | Bloomington | 46h 19m | $6,189 |