$1,984+ Cheap flights from Illinois to Réunion
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — RUN
Aug 23 — Aug 301
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Réunion
Keep the following information in mind while searching for Illinois to Réunion flight deals. Data was last updated August 18, 2025.
Round-trip from | $1,984 (KLM) |
|---|
Find flight deals from Illinois to Réunion
Cheapest flights from Illinois to RéunionExplore the most affordable flight options available from Illinois to Réunion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.
Explore the most affordable flight options available from Illinois to Réunion. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.
This KLM deal was found by Cheapflights users on 8/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:10 pmORD - RUN
1 stop28h 20mKLM
Mon 9/228:45 amRUN - ORD
1 stop39h 15mKLM
Deal found 8/17![KLM logo]()
$1,984
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:50 pmORD - RUN
2 stops31h 20mMultiple Airlines
Tue 1/68:40 pmRUN - ORD
2 stops46h 17mMultiple Airlines
Deal found 8/16![Multiple Airlines logo]()
$2,108
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Réunion 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 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Illinois to Réunion that are best for you.
Fly from
Illinois
Fly to
Réunion
Route
Depart
Return
Price
ChicagoSaint-Denis
ORD - RUN
ORDRUN
Chicago O'Hare Intl
Thu 9/18
5:10 pm-6:30 am
1 stop28h 20m
Saint-Denis Gillot
Mon 9/22
8:45 am-3:00 pm
1 stop39h 15m
$1,984
ChicagoSaint-Denis
ORD - RUN
ORDRUN
Chicago O'Hare Intl
Fri 12/26
12:50 pm-6:10 am
2 stops31h 20m
Saint-Denis Gillot
Tue 1/6
8:40 pm-8:57 am
2 stops46h 17m
$2,108
Best time to book a flight from Illinois to Réunion
Have a flexible travel schedule? Discover the best time to fly to Réunion from Illinois 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.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Réunion
No data available for this route at this time. Please check back soon.