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.

$1,203 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

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:31 pm - 9:55 amORD-RUN

33h 24m3 stops

11:00 pm - 5:20 pmRUN-ORD

28h 20m2 stops

$1,627Multiple Airlines

Find Deal

lun., nov. 17 - vie., nov. 21

7:20 pm - 9:10 amORD-RUN

27h 50m2 stops

8:40 pm - 4:45 pmRUN-ORD

30h 05m2 stops

$1,737Multiple Airlines

Find Deal

lun., nov. 17 - vie., nov. 21

5:20 pm - 7:20 amORD-RUN

28h 00m1 stop

9:45 pm - 3:10 pmRUN-ORD

27h 25m1 stop

$1,856KLM

Find Deal

lun., nov. 17 - vie., nov. 21

5:56 pm - 7:20 amORD-RUN

27h 24m2 stops

9:45 pm - 3:10 pmRUN-ORD

27h 25m1 stop

$1,857KLM

Find Deal

lun., nov. 17 - vie., nov. 21

5:10 pm - 6:30 amORD-RUN

28h 20m1 stop

8:25 pm - 3:00 pmRUN-ORD

27h 35m1 stop

$1,964KLM

Find Deal

mié., abr. 8 - dom., abr. 12

5:10 pm - 6:30 amORD-RUN

28h 20m1 stop

8:25 pm - 3:00 pmRUN-ORD

27h 35m1 stop

$1,965KLM

Find Deal

mié., abr. 8 - dom., abr. 12

1:30 pm - 6:30 amORD-RUN

32h 00m2 stops

8:25 pm - 3:00 pmRUN-ORD

27h 35m1 stop

$1,969KLM

Find Deal

mié., abr. 8 - dom., abr. 12

1:30 pm - 6:30 amORD-RUN

32h 00m2 stops

8:25 pm - 4:10 pmRUN-ORD

28h 45m2 stops

$1,976Air France

Find Deal

mié., abr. 8 - dom., abr. 12

5:45 pm - 6:30 amORD-RUN

27h 45m2 stops

8:25 pm - 4:10 pmRUN-ORD

28h 45m2 stops

$1,977Air France

Find Deal

mié., abr. 8 - dom., abr. 12

2:31 pm - 9:55 amORD-RUN

33h 24m3 stops

2:40 pm - 2:55 pmRUN-ORD

34h 15m3 stops

$2,120Multiple Airlines

Find Deal

lun., nov. 17 - vie., nov. 21

KLM flights from Illinois to Saint-Denis

Our best KLM deals on Illinois to Saint-Denis flight tickets

KLM

Nov 17

ORD5:20 pmChicago O'Hare Intl

28h 00m

1 stop

RUN7:20 amSaint-Denis Gillot

Nov 21

RUN9:45 pmSaint-Denis Gillot

27h 25m

1 stop

ORD3:10 pmChicago O'Hare Intl

$1,856

Find similar

KLM

Nov 17

ORD5:56 pmChicago O'Hare Intl

27h 24m

2 stops

RUN7:20 amSaint-Denis Gillot

Nov 21

RUN9:45 pmSaint-Denis Gillot

27h 25m

1 stop

ORD3:10 pmChicago O'Hare Intl

$1,857

Find similar

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

$1,964

Find similar

Air France flights from Illinois to Saint-Denis

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

Air France

Apr 8

ORD1:30 pmChicago O'Hare Intl

32h 00m

2 stops

RUN6:30 amSaint-Denis Gillot

Apr 12

RUN8:25 pmSaint-Denis Gillot

28h 45m

2 stops

ORD4:10 pmChicago O'Hare Intl

$1,976

Find similar

Air France

Apr 8

ORD5:45 pmChicago O'Hare Intl

27h 45m

2 stops

RUN6:30 amSaint-Denis Gillot

Apr 12

RUN8:25 pmSaint-Denis Gillot

28h 45m

2 stops

ORD4:10 pmChicago O'Hare Intl

$1,977

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

lun. 11/17

2:31 pm-9:55 am

3 stops33h 24m

Saint-Denis Gillot

vie. 11/21

11:00 pm-5:20 pm

2 stops28h 20m

$1,627

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

lun. 11/17

7:20 pm-9:10 am

2 stops27h 50m

Saint-Denis Gillot

vie. 11/21

8:40 pm-4:45 pm

2 stops30h 05m

$1,737

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

lun. 11/17

5:20 pm-7:20 am

1 stop28h 00m

Saint-Denis Gillot

vie. 11/21

9:45 pm-3:10 pm

1 stop27h 25m

$1,856

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

lun. 11/17

5:56 pm-7:20 am

2 stops27h 24m

Saint-Denis Gillot

vie. 11/21

9:45 pm-3:10 pm

1 stop27h 25m

$1,857

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

mié. 4/8

5:10 pm-6:30 am

1 stop28h 20m

Saint-Denis Gillot

dom. 4/12

8:25 pm-3:00 pm

1 stop27h 35m

$1,964

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

mié. 4/8

5:10 pm-6:30 am

1 stop28h 20m

Saint-Denis Gillot

dom. 4/12

8:25 pm-3:00 pm

1 stop27h 35m

$1,965

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

mié. 4/8

1:30 pm-6:30 am

2 stops32h 00m

Saint-Denis Gillot

dom. 4/12

8:25 pm-3:00 pm

1 stop27h 35m

$1,969

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

mié. 4/8

1:30 pm-6:30 am

2 stops32h 00m

Saint-Denis Gillot

dom. 4/12

8:25 pm-4:10 pm

2 stops28h 45m

$1,976

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

mié. 4/8

5:45 pm-6:30 am

2 stops27h 45m

Saint-Denis Gillot

dom. 4/12

8:25 pm-4:10 pm

2 stops28h 45m

$1,977

ChicagoSaint-Denis

ORD - RUN

ORDRUN

Chicago O'Hare Intl

lun. 11/17

2:31 pm-9:55 am

3 stops33h 24m

Saint-Denis Gillot

vie. 11/21

2:40 pm-2:55 pm

3 stops34h 15m

$2,120

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.