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O'Hare Intl

$469+ Cheap flights from Saint John (YSJ) to O'Hare Intl (ORD)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — ORD
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from St John to O'Hare Intl

Cheapest flights from St John to O'Hare Intl
Explore the most affordable flight options available from St John to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Air Canada deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:30 pm
YSJ
-
ORD
1 stop5h 38m
Air Canada
Sat 5/168:45 am
ORD
-
YSJ
1 stop4h 55m
Air Canada
Deal found 2/17$469
This Air Canada deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:30 pm
YSJ
-
ORD
1 stop5h 38m
Air Canada
Mon 6/13:45 pm
ORD
-
YSJ
1 stop6h 07m
Air Canada
Deal found 2/20$472
This Air Canada deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:20 pm
YSJ
-
ORD
1 stop6h 39m
Air Canada
Sat 6/138:45 am
ORD
-
YSJ
1 stop5h 05m
Air Canada
Deal found 2/17$474
This Air Canada deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:30 pm
YSJ
-
ORD
1 stop5h 38m
Air Canada
Tue 5/198:45 am
ORD
-
YSJ
1 stop4h 55m
Air Canada
Deal found 2/17$492
This Air Canada deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:35 am
YSJ
-
ORD
1 stop5h 30m
Air Canada
Tue 5/198:45 am
ORD
-
YSJ
1 stop4h 55m
Air Canada
Deal found 2/17$497
This Air Canada deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:30 pm
YSJ
-
ORD
1 stop5h 38m
Air Canada
Tue 5/198:45 am
ORD
-
YSJ
1 stop4h 55m
Air Canada
Deal found 2/17$516
This Air Canada deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:30 pm
YSJ
-
ORD
1 stop5h 38m
Air Canada
Sun 5/178:45 am
ORD
-
YSJ
1 stop4h 55m
Air Canada
Deal found 2/17$522
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:30 pm
YSJ
-
ORD
1 stop5h 38m
United Airlines
Sun 5/176:00 am
ORD
-
YSJ
2 stops7h 40m
United Airlines
Deal found 2/17$523
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:35 am
YSJ
-
ORD
1 stop5h 30m
United Airlines
Sat 5/165:00 am
ORD
-
YSJ
2 stops8h 40m
United Airlines
Deal found 2/17$528

Find flight deals from St John to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$469
(Air Canada)
Provider with most accurate pricing for Saint John-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint John-Chicago O'Hare Intl flights.
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From Saint John to Chicago O'Hare Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to O'Hare Intl 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 2,558,603 searches. Data last updated February 21, 2026.
Use the filters below to find and compare flights from Saint John to Chicago O'Hare Intl Airport that are best for you.

Fly from

St John

Fly to

O'Hare Intl

Route

Depart

Return

Price

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 5/12

4:30 pm-8:08 pm

1 stop5h 38m

Chicago O'Hare Intl

Sun 5/17

8:45 am-3:40 pm

1 stop4h 55m

$469

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 5/29

4:30 pm-8:08 pm

1 stop5h 38m

Chicago O'Hare Intl

Mon 6/1

3:45 pm-11:52 pm

1 stop6h 07m

$472

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Sat 6/6

12:20 pm-4:59 pm

1 stop6h 39m

Chicago O'Hare Intl

Sat 6/13

8:45 am-3:50 pm

1 stop5h 05m

$474

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 5/12

4:30 pm-8:08 pm

1 stop5h 38m

Chicago O'Hare Intl

Tue 5/19

8:45 am-3:40 pm

1 stop4h 55m

$492

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 5/15

4:30 pm-8:08 pm

1 stop5h 38m

Chicago O'Hare Intl

Sun 5/17

8:45 am-3:40 pm

1 stop4h 55m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

  • Most accurate provider: When it comes to deals on Saint John-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint John-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint John-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St John to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from St John to O'Hare Intl. 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 Chicago O'Hare Intl?

    Saint John (YSJ), located 9.4 mi from the city center, is the airport you fly out of when you book flights from Saint John to Chicago O'Hare Intl. 0 airlines have flights from Saint John to Chicago O'Hare Intl on a regular basis. Booking flights from Saint John to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

  • How long is the flight from Saint John to Chicago O'Hare Intl Airport?

    Departing from Saint John to Chicago O'Hare Intl Airport will take you 5h 38m. The distance from Saint John to Chicago O'Hare Intl Airport is about 1120 mi.

  • Can I find deals for flights from St John to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from St John to O'Hare Intl?

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

  • Can I find deals for business class flights from St John to O'Hare Intl?

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

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Elgin
Downers Grove
Elk Grove Village
Skokie
Libertyville
Oakbrook Terrace
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville

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Alternative routes for St John to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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