2,447﷼+ Cheap flights 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Illinois in 2025
Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 206,823 searches and data was last updated on Januar 7, 2025.
Find flight deals to Illinois
Cheapest flights to IllinoisExplore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on Januar 7, 2025.
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on Januar 7, 2025.
Find flights to Illinois within your budget
Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 206,823 searches and data was last updated on Januar 7, 2025.
Fly from
Route
Depart
Return
Price
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Sa 5/10
8:10 am-5:25 pm
1 stop17h 15m
Chicago O'Hare Intl
So 5/25
9:30 pm-11:55 pm
1 stop18h 25m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fr 2/14
6:15 am-3:15 pm
1 stop18h 00m
Chicago O'Hare Intl
Mo 2/24
6:50 pm-3:45 am
1 stop23h 55m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Di 2/4
4:25 am-8:25 am
1 stop37h 00m
Chicago O'Hare Intl
Mi 2/12
11:40 am-9:25 pm
2 stops24h 45m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fr 2/14
2:35 pm-6:35 pm
2 stops37h 00m
Chicago O'Hare Intl
Mo 2/24
11:00 am-9:35 pm
1 stop25h 35m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Mi 3/5
2:35 pm-6:35 pm
2 stops37h 00m
Chicago O'Hare Intl
So 3/9
9:30 pm-10:55 am
2 stops29h 25m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
So 2/16
1:45 am-10:10 am
1 stop17h 25m
Chicago O'Hare Intl
Mi 3/5
8:30 pm-12:45 am
1 stop19h 15m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Di 2/18
3:15 am-7:40 am
2 stops37h 25m
Chicago O'Hare Intl
Sa 3/8
9:45 am-2:05 am
1 stop31h 20m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fr 2/14
8:00 am-2:30 pm
Nonstop15h 30m
Chicago O'Hare Intl
Mo 2/24
7:05 pm-5:20 pm
Nonstop13h 15m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fr 5/2
8:25 am-3:25 pm
Nonstop15h 00m
Chicago O'Hare Intl
Sa 6/21
7:40 pm-4:45 pm
Nonstop13h 05m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Mo 2/17
7:40 am-5:00 pm
1 stop18h 20m
Chicago O'Hare Intl
So 3/9
10:55 pm-11:55 pm
1 stop17h 00m
Best time to book a flight to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois with our price prediction graph.
Travel insights for flights to Illinois
Get recent, data-driven insights about flights to Illinois including ideal travel times, pricing trends, and more.
How long is the flight to Illinois?
On average, a flight from Doha to Illinois takes 15 hours 0 minutes. Flights to Illinois from other popular cities in Qatar will vary in length. Below are a few examples of popular routes and their flight times.
Weekly flight availability to Illinois
The most flights from Doha to Illinois are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
What are the most popular airlines that fly to Illinois?
The most popular airlines flying from Doha to Illinois are Finnair, Qatar Airways and Etihad Airways.
What are the cheapest airlines that fly to Illinois?
The cheapest airlines flying from Doha to Illinois are Royal Jordanian, Finnair and Etihad Airways.
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 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.
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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
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 Januar 7, 2025.
Read reviews from past customers who have flown Turkish Airlines, Qatar Airways and Finnair to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Comfort
Entertainment
Crew
Boarding
Overall
Food
Reviews
Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
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Yes! Cheapflights helps users easily find flights to Illinois with no change fees.
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Yes, Cheapflights offers price alerts on Illinois flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.