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Cheap flights from Chicago O'Hare Intl Airport to Saint-Denis from $1,477

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 12/5. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:20 pm - 9:10 amORD-RUN
27h 50m2 stops
Multiple Airlines Logo
8:40 pm - 4:45 pmRUN-ORD
30h 05m2 stops
$1,477Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Multiple Airlines Logo
5:20 pm - 9:10 amORD-RUN
29h 50m1 stop
Multiple Airlines Logo
8:40 pm - 3:10 pmRUN-ORD
28h 30m1 stop
$1,549Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Multiple Airlines Logo
6:50 pm - 6:00 pmORD-RUN
37h 10m3 stops
Multiple Airlines Logo
7:00 am - 4:20 pmRUN-ORD
43h 20m2 stops
$1,649Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Multiple Airlines Logo
6:30 pm - 9:25 amORD-RUN
28h 55m3 stops
Multiple Airlines Logo
5:25 pm - 5:20 pmRUN-ORD
33h 55m3 stops
$1,701Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Multiple Airlines Logo
6:30 pm - 8:20 amORD-RUN
27h 50m2 stops
Multiple Airlines Logo
10:40 am - 3:10 pmRUN-ORD
38h 30m1 stop
$1,936Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
KLM Logo
5:10 pm - 6:30 amORD-RUN
28h 20m1 stop
KLM Logo
8:25 pm - 3:00 pmRUN-ORD
27h 35m1 stop
$1,966KLM
Find Deal
Wed, Apr 8 - Sun, Apr 12
KLM Logo
2:10 pm - 6:30 amORD-RUN
31h 20m2 stops
KLM Logo
8:25 pm - 3:00 pmRUN-ORD
27h 35m1 stop
$1,970KLM
Find Deal
Wed, Apr 8 - Sun, Apr 12
KLM Logo
10:35 am - 6:30 amORD-RUN
34h 55m2 stops
KLM Logo
8:25 pm - 3:00 pmRUN-ORD
27h 35m1 stop
$1,971KLM
Find Deal
Wed, Apr 8 - Sun, Apr 12
Air France Logo
6:10 pm - 12:20 pmORD-RUN
33h 10m2 stops
Air France Logo
8:25 pm - 4:10 pmRUN-ORD
28h 45m2 stops
$1,978Air France
Find Deal
Wed, Apr 8 - Sun, Apr 12

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
Apr 8
ORD5:10 pmChicago O'Hare Intl
28h 20m
1 stop
RUN6:30 amSaint-Denis Gillot
Apr 12
RUN8:25 pmSaint-Denis Gillot
27h 35m
1 stop
ORD3:00 pmChicago O'Hare Intl
$1,966
Find similar
KLM
Apr 8
ORD2:10 pmChicago O'Hare Intl
31h 20m
2 stops
RUN6:30 amSaint-Denis Gillot
Apr 12
RUN8:25 pmSaint-Denis Gillot
27h 35m
1 stop
ORD3:00 pmChicago O'Hare Intl
$1,970
Find similar
KLM
Apr 8
ORD10:35 amChicago O'Hare Intl
34h 55m
2 stops
RUN6:30 amSaint-Denis Gillot
Apr 12
RUN8:25 pmSaint-Denis Gillot
27h 35m
1 stop
ORD3:00 pmChicago O'Hare Intl
$1,971
Find similar

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 October 23, 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

Fri 12/5

7:20 pm-9:10 am

2 stops27h 50m

Saint-Denis Gillot

Fri 12/12

8:40 pm-4:45 pm

2 stops30h 05m

$1,477

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 12/5

5:20 pm-9:10 am

1 stop29h 50m

Saint-Denis Gillot

Fri 12/12

8:40 pm-3:10 pm

1 stop28h 30m

$1,549

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 12/5

6:50 pm-6:00 pm

3 stops37h 10m

Saint-Denis Gillot

Fri 12/12

7:00 am-4:20 pm

2 stops43h 20m

$1,649

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 12/5

6:30 pm-9:25 am

3 stops28h 55m

Saint-Denis Gillot

Fri 12/12

5:25 pm-5:20 pm

3 stops33h 55m

$1,701

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Fri 12/5

6:30 pm-8:20 am

2 stops27h 50m

Saint-Denis Gillot

Fri 12/12

10:40 am-3:10 pm

1 stop38h 30m

$1,936

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Wed 4/8

5:10 pm-6:30 am

1 stop28h 20m

Saint-Denis Gillot

Sun 4/12

8:25 pm-3:00 pm

1 stop27h 35m

$1,966

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Wed 4/8

2:10 pm-6:30 am

2 stops31h 20m

Saint-Denis Gillot

Sun 4/12

8:25 pm-3:00 pm

1 stop27h 35m

$1,970

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Wed 4/8

10:35 am-6:30 am

2 stops34h 55m

Saint-Denis Gillot

Sun 4/12

8:25 pm-3:00 pm

1 stop27h 35m

$1,971

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Wed 4/8

6:10 pm-12:20 pm

2 stops33h 10m

Saint-Denis Gillot

Sun 4/12

8:25 pm-4:10 pm

2 stops28h 45m

$1,978

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

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Saint-Denis. There are no popular flight routes from Chicago O'Hare Intl Airport to Saint-Denis.
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  • 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 27h 50m.

  • 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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