How do I get Price Alerts for flights from Illinois to Saint-Denis?

Search flight deals from Illinois to Saint-Denis . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Illinois to Saint-Denis 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Illinois to Saint-Denis Gillot Airport?

Prices for flights from Illinois to Saint-Denis Gillot Airport were last updated today.

How old do you have to be to fly from Illinois 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 Illinois to Saint-Denis Gillot Airport.

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

The travel and health documents required for your trip to Saint-Denis Gillot Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint-Denis Gillot Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,544 Cheap Flights from Illinois to Saint-Denis in 2025/26

1 adult

0 bags

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Find the cheapest flights from Illinois to Saint-Denis

Round-trip

One-way

Last minute

Cheap round-trip flights

7:20 pm - 9:55 amORD-RUN

28h 35m2 stops

11:00 pm - 4:45 pmRUN-ORD

51h 45m2 stops

$1,544Multiple Airlines

Find Deal

Sun, Nov 2 - Tue, Nov 25

8:25 pm - 9:55 amORD-RUN

27h 30m2 stops

8:40 pm - 9:13 amRUN-ORD

46h 33m3 stops

$2,054Multiple Airlines

Find Deal

Sun, Nov 2 - Tue, Nov 25

8:25 pm - 9:55 amORD-RUN

27h 30m3 stops

8:40 pm - 9:13 amRUN-ORD

46h 33m3 stops

$2,114Multiple Airlines

Find Deal

Sun, Nov 2 - Tue, Nov 25

6:50 pm - 9:25 amORD-RUN

28h 35m2 stops

3:30 pm - 1:10 pmRUN-ORD

31h 40m3 stops

$2,115Multiple Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 26

6:50 pm - 9:25 amORD-RUN

28h 35m2 stops

1:15 pm - 11:10 amRUN-ORD

31h 55m3 stops

$3,153Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 24

6:50 pm - 9:25 amORD-RUN

28h 35m2 stops

5:25 pm - 1:45 pmRUN-ORD

30h 20m2 stops

$5,443Multiple Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 26

6:50 pm - 10:50 amORD-RUN

30h 00m2 stops

8:40 pm - 2:10 pmRUN-ORD

27h 30m1 stop

$5,800Multiple Airlines

Find Deal

Mon, Nov 3 - Tue, Nov 25

6:45 pm - 9:10 amORD-RUN

28h 25m1 stop

1:15 pm - 11:10 amRUN-ORD

31h 55m3 stops

$7,150Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 24

6:45 pm - 9:10 amORD-RUN

28h 25m1 stop

5:25 pm - 1:45 pmRUN-ORD

30h 20m2 stops

$9,441Multiple Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 26

6:45 pm - 9:10 amORD-RUN

28h 25m1 stop

8:40 pm - 2:10 pmRUN-ORD

27h 30m1 stop

$9,799Multiple Airlines

Find Deal

Mon, Nov 3 - Mon, Nov 24

Air France flights from Illinois to Saint-Denis

Our best Air France deals on Illinois to Saint-Denis flight tickets

Air France

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

$2,933

Find similar

Air France

Sep 18

ORD11:20 amChicago O'Hare Intl

34h 10m

2 stops

RUN6:30 amSaint-Denis Gillot

Sep 22

RUN8:45 amSaint-Denis Gillot

39h 15m

1 stop

ORD3:00 pmChicago O'Hare Intl

$2,938

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 11/2

7:20 pm-9:55 am

2 stops28h 35m

Saint-Denis Gillot

Tue 11/25

11:00 pm-4:45 pm

2 stops51h 45m

$1,544

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 11/2

8:25 pm-9:55 am

2 stops27h 30m

Saint-Denis Gillot

Tue 11/25

8:40 pm-9:13 am

3 stops46h 33m

$2,054

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Sun 11/2

8:25 pm-9:55 am

3 stops27h 30m

Saint-Denis Gillot

Tue 11/25

8:40 pm-9:13 am

3 stops46h 33m

$2,114

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:50 pm-9:25 am

2 stops28h 35m

Saint-Denis Gillot

Wed 11/26

3:30 pm-1:10 pm

3 stops31h 40m

$2,115

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:50 pm-9:25 am

2 stops28h 35m

Saint-Denis Gillot

Mon 11/24

1:15 pm-11:10 am

3 stops31h 55m

$3,153

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:50 pm-9:25 am

2 stops28h 35m

Saint-Denis Gillot

Wed 11/26

5:25 pm-1:45 pm

2 stops30h 20m

$5,443

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:50 pm-10:50 am

2 stops30h 00m

Saint-Denis Gillot

Tue 11/25

8:40 pm-2:10 pm

1 stop27h 30m

$5,800

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:45 pm-9:10 am

1 stop28h 25m

Saint-Denis Gillot

Mon 11/24

1:15 pm-11:10 am

3 stops31h 55m

$7,150

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:45 pm-9:10 am

1 stop28h 25m

Saint-Denis Gillot

Wed 11/26

5:25 pm-1:45 pm

2 stops30h 20m

$9,441

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

Mon 11/3

6:45 pm-9:10 am

1 stop28h 25m

Saint-Denis Gillot

Mon 11/24

8:40 pm-2:10 pm

1 stop27h 30m

$9,799

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Saint-Denis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Saint-Denis

Direct flights	None

There are no direct flights from Illinois to Saint-Denis. There are no popular flight routes from Illinois to Saint-Denis.

Search flight deals

When did momondo last update prices for flights from Illinois to Saint-Denis Gillot Airport?
Prices for flights from Illinois to Saint-Denis Gillot Airport were last updated today.
How old do you have to be to fly from Illinois 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 Illinois to Saint-Denis Gillot Airport.
What documentation or ID do you need to fly to Saint-Denis Gillot Airport?
The travel and health documents required for your trip to Saint-Denis Gillot Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint-Denis Gillot Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from Illinois to Saint-Denis?
Search flight deals from Illinois to Saint-Denis. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Illinois to Saint-Denis 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Saint-Denis for you.

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

Yes. momondo allows you to filter the results for Illinois to Saint-Denis flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint-Denis from Illinois.

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

Yes momondo offers price alerts on flights to Saint-Denis from Illinois. 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.