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Cheap flights from Saint John to Illinois from C$ 693

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — ORD
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to Illinois

Keep the following information in mind while searching for St John to Illinois flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 693
Air Canada
  • Air Canada
  • 7/4-8/4
  • 2 total stops
  • 10h 24m total
  • Saint John to Illinois
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Best flights from St John to Illinois
Discover carefully curated flight deals from St John to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2025.

Tue 7/411:55 a.m.YSJ - ORD
1 stop5h 00mAir Canada
Wed 8/49:50 a.m.ORD - YSJ
1 stop5h 24mAir Canada
Deal found 28/10C$ 693

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Illinois 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, Cheapflights users made 629,999 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Saint John to Illinois that are best for you.

Fly from

St John

Fly to

Illinois

Route

Depart

Return

Price

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 7/4

11:55 a.m.-2:55 p.m.

1 stop5h 00m

Chicago O'Hare Intl

Wed 8/4

9:50 a.m.-5:14 p.m.

1 stop5h 24m

C$ 693

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 7/11

12:00 p.m.-9:19 p.m.

3 stops35h 19m

C$ 1,057

Saint JohnChicago

YSJ - MDW

YSJMDW

Saint John

Fri 7/11

12:00 p.m.-1:07 p.m.

3 stops51h 07m

C$ 1,057

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 7/11

4:15 p.m.-8:00 p.m.

1 stop5h 45m

C$ 1,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Best time to book a flight from St John to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from St John with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint John to Illinois
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from St John to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint John to Illinois?

    Saint John (YSJ), located 15.1 km from the city centre, is the airport you fly out of when you book flights from Saint John to Illinois.

  • How long is the flight from Saint John to Illinois?

    A quick flight from Saint John to Illinois can take about 5h. Air Canada provides one of the quickest options available for as low as C$ 693. The distance between Saint John and Illinois is about 1802 km.

  • Can I find deals for flights from St John to Illinois that include hotel bookings?

    Yes. In addition to deals on St John to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Illinois.

  • Can I find deals for business class flights from St John to Illinois?

    Yes. Cheapflights offers flight deals from St John to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from St John to Illinois?

When you search for this flight from St John to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St John to Illinois?

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Can Cheapflights find flights from St John to Illinois with no change fees?

Certainly. Search results for flights to Illinois from St John shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St John to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from St John today and book when prices fit your budget.

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