Cheap flights from Chicago O'Hare Intl Airport to Saint-Denis from $1,980

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 O'Hare Intl Airport to Saint-Denis departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Saint-Denis (ORD-RUN)

Cheap round-trip flights

KLM Logo
5:10 pm - 6:30 amORD-RUN
28h 20m1 stop
KLM Logo
8:45 am - 3:00 pmRUN-ORD
39h 15m1 stop
$1,980KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
5:10 pm - 6:30 amORD-RUN
28h 20m1 stop
KLM Logo
8:45 am - 3:00 pmRUN-ORD
39h 15m1 stop
$1,982KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
5:10 pm - 6:30 amORD-RUN
28h 20m1 stop
KLM Logo
8:45 am - 2:10 pmRUN-ORD
38h 25m2 stops
$1,987KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
5:10 pm - 6:30 amORD-RUN
28h 20m1 stop
KLM Logo
8:45 am - 2:10 pmRUN-ORD
38h 25m2 stops
$1,989KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
5:10 pm - 6:30 amORD-RUN
28h 20m1 stop
KLM Logo
8:45 am - 2:10 pmRUN-ORD
38h 25m2 stops
$1,990KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
Air France Logo
4:15 pm - 6:30 amORD-RUN
29h 15m2 stops
Air France Logo
8:45 am - 2:10 pmRUN-ORD
38h 25m2 stops
$2,018Air France
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
4:15 pm - 6:30 amORD-RUN
29h 15m2 stops
KLM Logo
8:45 am - 2:10 pmRUN-ORD
38h 25m2 stops
$2,021KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22

KLM flights from Chicago O'Hare Intl Airport to Saint-Denis

Our best KLM deals on Chicago O'Hare Intl Airport to Saint-Denis flight tickets
KLM
Sep 18
ORD5:10 pmChicago O'Hare Intl
28h 20m
1 stop
RUN6:30 amSaint-Denis Gillot
Sep 22
RUN8:45 amSaint-Denis Gillot
39h 15m
1 stop
ORD3:00 pmChicago O'Hare Intl
KLM
Sep 18
ORD5:10 pmChicago O'Hare Intl
28h 20m
1 stop
RUN6:30 amSaint-Denis Gillot
Sep 22
RUN8:45 amSaint-Denis Gillot
39h 15m
1 stop
ORD3:00 pmChicago O'Hare Intl
KLM
Sep 18
ORD5:10 pmChicago O'Hare Intl
28h 20m
1 stop
RUN6:30 amSaint-Denis Gillot
Sep 22
RUN8:45 amSaint-Denis Gillot
38h 25m
2 stops
ORD2:10 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Saint-Denis 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 August 7, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Saint-Denis that are best for you.

Fly from

Fly to

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

$1,980

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

$1,982

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-2:10 pm

2 stops38h 25m

$1,987

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-2:10 pm

2 stops38h 25m

$1,989

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-2:10 pm

2 stops38h 25m

$1,990

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Thu 9/18

4:15 pm-6:30 am

2 stops29h 15m

Saint-Denis Gillot

Mon 9/22

8:45 am-2:10 pm

2 stops38h 25m

$2,018

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Thu 9/18

4:15 pm-6:30 am

2 stops29h 15m

Saint-Denis Gillot

Mon 9/22

8:45 am-2:10 pm

2 stops38h 25m

$2,021

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Saint-Denis

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Saint-Denis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Saint-Denis (ORD to RUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Saint-Denis

Best Price Found

$1,980

Fastest flight time

28h 20m

Direct flights

None

Airports in Saint-Denis

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Saint-Denis found on momondo in the last 72 hours is $1,980
The fastest flight from Chicago O'Hare Intl Airport to Saint-Denis takes 28h 20m
There are no direct flights from Chicago O'Hare Intl Airport to Saint-Denis. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Saint-Denis Gillot Airport.
There is 1 airport near Saint-Denis: Saint-Denis Gillot (RUN)
  • How far is Chicago O'Hare Intl to Saint-Denis Gillot by plane?

    Saint-Denis Gillot is 9854.2 mi away from Chicago O'Hare Intl. By plane, this route typically takes 28h 20m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Saint-Denis Gillot Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Saint-Denis Gillot Airport refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Saint-Denis Gillot Airport?

    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 O'Hare Intl Airport to Saint-Denis Gillot Airport.

  • What documentation or ID do you need to fly to Saint-Denis Gillot Airport?

    The required travel and health documents for your Saint-Denis Gillot Airport 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 Saint-Denis Gillot Airport. 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 O'Hare Intl Airport to Saint-Denis?

    Confirm your travel details to search for the latest offers for flights from Chicago O'Hare Intl Airport to Saint-Denis. 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 O'Hare Intl Airport to Saint-Denis with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Saint-Denis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Saint-Denis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Saint-Denis with flexible booking policies on momondo?

All flight searches from Chicago to Saint-Denis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Saint-Denis?

momondo provides multiple filters to help you find the best flight to Saint-Denis from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Saint-Denis from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Tue 8/12
Tue 8/19

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