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 32m. The distance from Saint John to Chicago O'Hare Intl Airport is about 1802 km.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from YSJ to ORD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint John to Chicago O'Hare Intl Airport as you normally would.

What airport do you fly from for flights from Saint John to Chicago O'Hare Intl?

For a flight from Saint John to Chicago O'Hare Intl, you will be flying from Saint John. Saint John (YSJ) is just 15.1 km from the centre of the city. Saint John is the only Saint John airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 0 airlines have flights to Chicago O'Hare Intl from Saint John on a regular basis.

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.

C$ 433+ Cheap Flights from Saint John to Chicago O'Hare Intl Airport

Cheap flight deals from St John to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 7 September 2026.

Wed 21/104:40 p.m. -

1 stop5h 32m

Sat 24/108:45 a.m. -

1 stop5h 14m

Deal found 3/9C$ 811

Wed 25/1111:05 a.m. -

1 stop5h 47m

Sat 28/114:30 p.m. -

1 stop4h 54m

Deal found 2/9C$ 818

Mon 5/104:40 p.m. -

1 stop5h 32m

Fri 9/103:45 p.m. -

1 stop6h 06m

Deal found 5/9C$ 820

Mon 5/104:40 p.m. -

1 stop5h 32m

Mon 12/108:40 p.m. -

1 stop13h 11m

Deal found 5/9C$ 872

Mon 5/104:40 p.m. -

1 stop5h 32m

Mon 12/1011:05 a.m. -

2 stops10h 46m

Deal found 5/9C$ 901

Wed 21/104:40 p.m. -

1 stop5h 32m

Sat 24/105:00 a.m. -

2 stops8h 59m

Deal found 3/9C$ 937

Find flight deals from St John to O'Hare Intl

Round-trip from	C$ 811
One-way from	C$ 433

Air Canada
21/10-24/10
2 total stops
10h 46m total
Saint John to Chicago

Search Deals

2/10-31/12
2 total stops
30h 35m total
Saint John to Chicago

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 2/10

10:45 a.m.-3:20 p.m.

2 stops30h 35m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 433

Quickest round-trip

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 2/10

12:50 p.m.-6:30 p.m.

1 stop7h 40m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 466

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Wed 21/10

4:40 p.m.-8:12 p.m.

1 stop5h 32m

Chicago O'Hare Intl

Sat 24/10

8:45 a.m.-3:59 p.m.

1 stop5h 14m

C$ 811

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Wed 25/11

11:05 a.m.-2:52 p.m.

1 stop5h 47m

Chicago O'Hare Intl

Sat 28/11

4:30 p.m.-11:24 p.m.

1 stop4h 54m

C$ 819

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Mon 5/10

4:40 p.m.-9:00 a.m.

2 stops18h 20m

Chicago O'Hare Intl

Mon 12/10

11:05 a.m.-11:51 p.m.

2 stops10h 46m

C$ 909

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Wed 21/10

4:40 p.m.-8:12 p.m.

1 stop5h 32m

Chicago O'Hare Intl

Sat 24/10

5:00 a.m.-3:59 p.m.

2 stops8h 59m

C$ 937

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 18/12

11:05 a.m.-2:52 p.m.

1 stop5h 47m

Chicago O'Hare Intl

Mon 28/12

4:30 p.m.-11:24 p.m.

1 stop4h 54m

C$ 1,061

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Sorted by cheapest first

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.

YSJ-ORD

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

What airport do you fly from for flights from Saint John to Chicago O'Hare Intl?
For a flight from Saint John to Chicago O'Hare Intl, you will be flying from Saint John. Saint John (YSJ) is just 15.1 km from the centre of the city. Saint John is the only Saint John airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 0 airlines have flights to Chicago O'Hare Intl from Saint John on a regular basis.
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 32m. The distance from Saint John to Chicago O'Hare Intl Airport is about 1802 km.
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.

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Cheap flights from Saint John to Chicago O'Hare Intl Airport from C$ 433

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St John to O'Hare Intl

Cheapest flights from St John to O'Hare IntlExplore 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 7 September 2026.

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 7 September 2026.

Best flights from St John to O'Hare IntlDiscover carefully curated flight deals from St John to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Discover carefully curated flight deals from St John to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from St John to O'Hare IntlDiscover last-minute flight deals from St John to O'Hare Intl. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from St John to O'Hare Intl. Data last updated 7 September 2026 and is based on user searches.

One-way flights from St John to O'Hare IntlSearch for one-way flight options from St John to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

Search for one-way flight options from St John to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.

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

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Related info for your journey

What airport do you fly from for flights from Saint John to Chicago O'Hare Intl?

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

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

How can I 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?

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

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Alternative routes for St John to O'Hare Intl

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Complete your trip

Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Illinois

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Other flights to O'Hare Intl

Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 September 2026.

St John and O'Hare Intl flights

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Why should you use Cheapflights to find cheap flight tickets from St John to O'Hare Intl?

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Can Cheapflights notify me if prices for flights from St John to O'Hare Intl become cheaper?

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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 7 September 2026.

Best flights from St John to O'Hare Intl
Discover carefully curated flight deals from St John to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 September 2026.

Last-minute flights from St John to O'Hare Intl
Discover last-minute flight deals from St John to O'Hare Intl. Data last updated 7 September 2026 and is based on user searches.

One-way flights from St John to O'Hare Intl
Search for one-way flight options from St John to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 7 September 2026.