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O'Hare Intl

$254+ Cheap flights from Saint John (YSJ) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — ORD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$458
(Air Canada)

One-way from

$254
(Air Canada)
Provider with most accurate pricing for Saint John-Chicago O'Hare Intl flight deals.
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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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One-way flight from Saint John to Chicago O'Hare Intl
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Find 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 January 8, 2026.

This Air Canada deal was found by Cheapflights users on 1/7. 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 pmYSJ - ORD
1 stop5h 38mAir Canada
Mon 6/12:15 pmORD - YSJ
1 stop7h 37mAir Canada
Deal found 1/7$458
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Fri 5/294:30 pmYSJ - ORD
2 stops9h 12mUnited Airlines
Mon 6/11:12 pmORD - YSJ
2 stops8h 40mUnited Airlines
Deal found 1/7$753

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 January 8, 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

Fri 5/29

4:30 pm-8:08 pm

1 stop5h 38m

Chicago O'Hare Intl

Mon 6/1

2:15 pm-11:52 pm

1 stop7h 37m

$458

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 5/29

4:30 pm-11:42 pm

2 stops9h 12m

Chicago O'Hare Intl

Mon 6/1

1:12 pm-11:52 pm

2 stops8h 40m

$753

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Sat 2/21

4:15 pm-8:10 pm

1 stop5h 55m

$254

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 2/20

4:15 pm-8:10 pm

1 stop5h 55m

$255

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Sat 2/21

4:15 pm-9:34 am

2 stops19h 19m

$286

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 2/20

4:15 pm-9:34 am

2 stops19h 19m

$287

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 2/20

12:00 pm-11:45 am

3 stops25h 45m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Compare providers for flights from St John to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to O'Hare Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Saint John-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Saint John-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora
Evanston

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