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$1,455 Find Cheap Flights from Illinois to Saint-Denis

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Saint-Denis departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flight Deals

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

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

Wed, Sep 10 - Wed, Sep 17
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3:35 pm - 9:00 amORD-RUN
32h 25m2 stops
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10:10 pm - 7:55 pmRUN-ORD
30h 45m2 stops
$1,455
Find Deal
Wed, Sep 10 - Wed, Sep 17
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6:10 pm - 8:10 amORD-RUN
29h 00m1 stop
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7:55 pm - 1:15 pmRUN-ORD
26h 20m1 stop
$1,858
Find Deal
Wed, Sep 10 - Wed, Sep 17
KLM Logo
5:10 pm - 10:00 amORD-RUN
31h 50m1 stop
KLM Logo
9:00 pm - 6:04 pmRUN-ORD
30h 04m2 stops
$1,928KLM
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
$1,983KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
11:20 am - 6:30 amORD-RUN
34h 10m2 stops
KLM Logo
8:45 am - 3:00 pmRUN-ORD
39h 15m1 stop
$1,987KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
KLM Logo
11:20 am - 6:30 amORD-RUN
34h 10m2 stops
KLM Logo
8:45 am - 2:10 pmRUN-ORD
38h 25m2 stops
$1,995KLM
Find Deal
Wed, Sep 10 - Wed, Sep 17
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9:25 pm - 4:45 pmORD-RUN
34h 20m2 stops
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4:25 pm - 1:15 pmRUN-ORD
29h 50m3 stops
$15,477
Find Deal
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Good to know

Cheapest flight$1,455
Flight from Chicago to Saint-Denis

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

Saint-Denis (RUN)

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