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Cheap flights from Chicago to Réunion from $1,442

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Réunion departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chicago to Réunion

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 pm - 9:10 am
ORD
-
RUN
28h 40m2 stops
Multiple Airlines Logo
8:40 pm - 5:20 pm
RUN
-
ORD
30h 40m2 stops
$1,442Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
4:38 pm - 9:55 am
ORD
-
RUN
31h 17m3 stops
Multiple Airlines Logo
8:40 pm - 9:13 am
RUN
-
ORD
46h 33m3 stops
$1,566Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
8:25 pm - 9:55 am
ORD
-
RUN
27h 30m2 stops
Multiple Airlines Logo
8:40 pm - 9:13 am
RUN
-
ORD
46h 33m3 stops
$1,579Multiple Airlines
Sun, Feb 1 - Thu, Feb 5
KLM Logo
5:20 pm - 7:20 am
ORD
-
RUN
28h 00m1 stop
KLM Logo
9:45 pm - 3:10 pm
RUN
-
ORD
27h 25m1 stop
$1,883KLM
Sun, Feb 1 - Thu, Feb 5
KLM Logo
2:50 pm - 7:20 am
ORD
-
RUN
30h 30m2 stops
KLM Logo
9:45 pm - 3:10 pm
RUN
-
ORD
27h 25m1 stop
$1,887KLM
Sun, Feb 1 - Thu, Feb 5
Multiple Airlines Logo
4:38 pm - 5:30 am
ORD
-
RUN
26h 52m2 stops
Multiple Airlines Logo
8:40 pm - 5:20 pm
RUN
-
ORD
30h 40m3 stops
$1,940Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
4:38 pm - 5:30 am
ORD
-
RUN
26h 52m2 stops
Multiple Airlines Logo
8:40 pm - 7:15 pm
RUN
-
ORD
32h 35m2 stops
$1,948Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
5:15 am - 5:30 am
ORD
-
RUN
38h 15m3 stops
Multiple Airlines Logo
8:40 pm - 5:20 pm
RUN
-
ORD
30h 40m3 stops
$1,997Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
6:45 pm - 9:10 am
ORD
-
RUN
28h 25m1 stop
Multiple Airlines Logo
7:00 am - 4:20 pm
RUN
-
ORD
43h 20m2 stops
$5,754Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
6:45 pm - 6:10 am
ORD
-
RUN
25h 25m1 stop
Multiple Airlines Logo
8:40 pm - 2:10 pm
RUN
-
ORD
27h 30m1 stop
$21,415Multiple Airlines
Fri, Jan 16 - Fri, Jan 23

KLM flights from Chicago to Réunion

Our best KLM deals on Chicago to Réunion flight tickets
KLM
Feb 1
ORD5:20 pmChicago O'Hare Intl
28h 00m
1 stop
RUN7:20 amSaint-Denis Gillot
Feb 5
RUN9:45 pmSaint-Denis Gillot
27h 25m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,883
Find similar
KLM
Feb 1
ORD2:50 pmChicago O'Hare Intl
30h 30m
2 stops
RUN7:20 amSaint-Denis Gillot
Feb 5
RUN9:45 pmSaint-Denis Gillot
27h 25m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,887
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Chicago to Réunion that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 2/1

6:30 pm-9:10 am

2 stops28h 40m

Saint-Denis Gillot

Thu 2/5

8:40 pm-5:20 pm

2 stops30h 40m

$1,442

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 2/1

4:38 pm-9:55 am

3 stops31h 17m

Saint-Denis Gillot

Thu 2/5

8:40 pm-9:13 am

3 stops46h 33m

$1,566

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 2/1

8:25 pm-9:55 am

2 stops27h 30m

Saint-Denis Gillot

Thu 2/5

8:40 pm-9:13 am

3 stops46h 33m

$1,579

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 2/1

5:20 pm-7:20 am

1 stop28h 00m

Saint-Denis Gillot

Thu 2/5

9:45 pm-3:10 pm

1 stop27h 25m

$1,883

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 2/1

2:50 pm-7:20 am

2 stops30h 30m

Saint-Denis Gillot

Thu 2/5

9:45 pm-3:10 pm

1 stop27h 25m

$1,887

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 1/16

4:38 pm-5:30 am

2 stops26h 52m

Saint-Denis Gillot

Fri 1/23

8:40 pm-5:20 pm

3 stops30h 40m

$1,940

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 1/16

4:38 pm-5:30 am

2 stops26h 52m

Saint-Denis Gillot

Fri 1/23

8:40 pm-7:15 pm

2 stops32h 35m

$1,948

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 1/16

5:15 am-5:30 am

3 stops38h 15m

Saint-Denis Gillot

Fri 1/23

8:40 pm-5:20 pm

3 stops30h 40m

$1,997

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 1/16

6:45 pm-9:10 am

1 stop28h 25m

Saint-Denis Gillot

Fri 1/23

7:00 am-4:20 pm

2 stops43h 20m

$5,754

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 1/16

6:45 pm-6:10 am

1 stop25h 25m

Saint-Denis Gillot

Fri 1/23

8:40 pm-2:10 pm

1 stop27h 30m

$21,415

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Chicago to Réunion flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Réunion

Fastest flight time

28h 40m

Direct flights

None
The fastest flight from Chicago to Réunion takes 28h 40m
There are no direct flights from Chicago to Réunion. There are no popular flight routes from Chicago to Réunion.
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  • When did momondo last update prices for flights from Chicago to Réunion?

    Prices for flights from Chicago to Réunion are refreshed on a daily basis.

  • How old do you have to be to fly from Chicago to Réunion?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Réunion.

  • What documentation or ID do you need to fly to Réunion?

    The required travel and health documents for your Réunion trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Réunion. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Chicago to Réunion?

    Confirm your travel details to search for the latest offers for flights from Chicago to Réunion. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Chicago to Réunion with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Réunion?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Réunion. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Réunion with flexible booking policies on momondo?

momondo does allow users to show only those flights to Réunion from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Réunion?

momondo helps you find the best flight between Chicago and Réunion by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Réunion right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Réunion, momondo offers a useful price alert feature which will track prices for flights to Réunion from Chicago and alert you when they change.

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Flights to Saint-Denisfrom $947