How does KAYAK find such low prices on flights from Illinois to Saint-Denis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Saint-Denis. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Saint-Denis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint-Denis from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Saint-Denis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint-Denis with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Saint-Denis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint-Denis from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$2,014 CHEAP FLIGHTS from Illinois to Saint-Denis

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Cheap Flights from Illinois to Saint-Denis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Saint-Denis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Saint-Denis

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Saint-Denis.

Discover the best prices for you by selecting your travel dates on KAYAK.

10:18 am - 8:10 amORD-RUN

36h 52m2 stops

7:55 pm - 4:59 pmRUN-ORD

30h 04m2 stops

$2,014

Find Deal

Wed, Jun 11 - Wed, Jun 18

10:46 am - 9:00 amORD-RUN

37h 14m3 stops

10:10 pm - 9:26 amRUN-ORD

44h 16m3 stops

$2,022

Find Deal

Sat, Jun 14 - Sat, Jun 21

7:56 am - 9:00 amORD-RUN

40h 04m3 stops

8:00 am - 6:37 amRUN-ORD

31h 37m2 stops

$2,066

Find Deal

Sat, Jun 14 - Sat, Jun 21

7:56 am - 9:00 amORD-RUN

40h 04m3 stops

5:25 pm - 2:10 pmRUN-ORD

29h 45m3 stops

$2,175

Find Deal

Fri, Jun 13 - Fri, Jun 20

3:50 pm - 8:10 amORD-RUN

31h 20m2 stops

7:55 pm - 2:41 pmRUN-ORD

27h 46m2 stops

$2,185

Find Deal

Sat, Jun 14 - Sat, Jun 21

5:10 pm - 8:10 amORD-RUN

30h 00m1 stop

10:10 pm - 6:37 amRUN-ORD

41h 27m2 stops

$2,201

Find Deal

Wed, Jun 11 - Wed, Jun 18

5:58 pm - 9:00 amORD-RUN

30h 02m2 stops

5:25 pm - 2:10 pmRUN-ORD

29h 45m3 stops

$2,404

Find Deal

Fri, Jun 13 - Fri, Jun 20

5:58 pm - 9:00 amORD-RUN

30h 02m2 stops

5:25 pm - 2:10 pmRUN-ORD

29h 45m3 stops

$2,405

Find Deal

Fri, Jun 13 - Fri, Jun 20

6:00 pm - 8:10 amORD-RUN

29h 10m1 stop

7:55 pm - 1:10 pmRUN-ORD

26h 15m1 stop

$2,489

Find Deal

Wed, Jun 11 - Wed, Jun 18

5:10 pm - 6:30 amORD-RUN

28h 20m1 stop

8:45 am - 3:00 pmRUN-ORD

39h 15m1 stop

$2,500Air France

Find Deal

Sat, Jun 14 - Sat, Jun 21

Useful Info

Cheapest flight	$2,014

Flight from Chicago to Saint-Denis

How does KAYAK find such low prices on flights from Illinois to Saint-Denis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Saint-Denis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Saint-Denis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint-Denis from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Saint-Denis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint-Denis with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Saint-Denis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint-Denis from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Saint-Denis

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Cabin class

Complete your trip

Flights to other cities

Origins

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Information on the airport you'll fly into in Saint-Denis

Saint-Denis (RUN)

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$2,014 Find Cheap Flights from Illinois to Saint-Denis

KAYAK searches hundreds of travel sites at once for deals on flights to Saint-Denis

Cheap Flights from Illinois to Saint-Denis

Recent round-trip flight deals from Illinois to Saint-Denis

Recent one-way flight deals from Illinois to Saint-Denis

Recent last minute flight deals from Illinois to Saint-Denis

Good to know

FAQs for booking flights from Illinois to Saint-Denis

How does KAYAK find such low prices on flights from Illinois to Saint-Denis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Saint-Denis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Saint-Denis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint-Denis from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Saint-Denis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint-Denis with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Saint-Denis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint-Denis from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Saint-Denis

Information on the airport you'll fly into in Saint-Denis

Cabin class types available on flights to Illinois

Complete your trip to Saint-Denis with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Saint-Denis

Choose which airport to fly into in Saint-Denis