When did momondo last update prices for flights from Saint John Airport to Chicago O'Hare Intl Airport?

Prices for flights from Saint John Airport to Chicago O'Hare Intl Airport were last updated today.

How old do you have to be to fly from Saint John Airport to Chicago O'Hare Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint John Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$361 Cheap Flights from Saint John to Chicago O'Hare Intl Airport in 2026

Find the cheapest flights from Saint John to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 9:00 amYSJ Saint John-ORD Chicago O'Hare Intl

6h 00m1 stop Toronto Pearson Intl

3:45 pm - 11:51 pmORD Chicago O'Hare Intl-YSJ Saint John

6h 06m1 stop Toronto Pearson Intl

$537Air Canada

Sat, Sep 5 - Sat, Sep 12

12:50 pm - 4:57 pmYSJ Saint John-ORD Chicago O'Hare Intl

6h 07m1 stop Toronto Pearson Intl

3:45 pm - 1:25 amORD Chicago O'Hare Intl-YSJ Saint John

7h 40m1 stop Toronto Pearson Intl

$559Air Canada

Fri, Aug 28 - Tue, Sep 1

4:40 pm - 8:05 pmYSJ Saint John-ORD Chicago O'Hare Intl

5h 25m1 stop Montreal Pierre Elliott Trudeau Intl

8:40 am - 4:00 pmORD Chicago O'Hare Intl-YSJ Saint John

5h 20m1 stop Montreal Pierre Elliott Trudeau Intl

$573Air Canada

Fri, Aug 28 - Mon, Aug 31

12:50 pm - 4:57 pmYSJ Saint John-ORD Chicago O'Hare Intl

6h 07m1 stop Toronto Pearson Intl

3:45 pm - 1:25 amORD Chicago O'Hare Intl-YSJ Saint John

7h 40m1 stop Toronto Pearson Intl

$602Air Canada

Fri, Aug 28 - Tue, Sep 1

12:50 pm - 4:57 pmYSJ Saint John-ORD Chicago O'Hare Intl

6h 07m1 stop Toronto Pearson Intl

3:45 pm - 1:25 amORD Chicago O'Hare Intl-YSJ Saint John

7h 40m1 stop Toronto Pearson Intl

$608Air Canada

Fri, Aug 28 - Tue, Sep 1

5:00 am - 9:00 amYSJ Saint John-ORD Chicago O'Hare Intl

6h 00m1 stop Toronto Pearson Intl

2:15 pm - 11:51 pmORD Chicago O'Hare Intl-YSJ Saint John

7h 36m1 stop Toronto Pearson Intl

$626Air Canada

Tue, Sep 22 - Sat, Sep 26

5:00 am - 9:00 amYSJ Saint John-ORD Chicago O'Hare Intl

6h 00m1 stop Toronto Pearson Intl

8:50 am - 11:51 pmORD Chicago O'Hare Intl-YSJ Saint John

13h 01m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

$627Air Canada

Tue, Sep 22 - Sat, Sep 26

4:40 pm - 8:05 pmYSJ Saint John-ORD Chicago O'Hare Intl

5h 25m1 stop Montreal Pierre Elliott Trudeau Intl

8:40 am - 4:00 pmORD Chicago O'Hare Intl-YSJ Saint John

5h 20m1 stop Montreal Pierre Elliott Trudeau Intl

$628Air Canada

Fri, Aug 28 - Mon, Aug 31

12:50 pm - 8:12 pmYSJ Saint John-ORD Chicago O'Hare Intl

9h 22m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

8:50 am - 11:51 pmORD Chicago O'Hare Intl-YSJ Saint John

13h 01m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

$629Air Canada

Tue, Sep 22 - Sat, Sep 26

12:50 pm - 8:12 pmYSJ Saint John-ORD Chicago O'Hare Intl

9h 22m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

8:50 am - 11:51 pmORD Chicago O'Hare Intl-YSJ Saint John

13h 01m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl

$631Air Canada

Tue, Sep 22 - Sat, Sep 26

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Air Canada flights from Saint John to Chicago O'Hare Intl Airport

Our best Air Canada deals on Saint John to Chicago O'Hare Intl Airport flight tickets

Air Canada

Sep 5

YSJ5:00 amSaint John

6h 00m

1 stop

ORD9:00 amChicago O'Hare Intl

Sep 12

ORD3:45 pmChicago O'Hare Intl

6h 06m

1 stop

YSJ11:51 pmSaint John

$537

Air Canada

Aug 28

YSJ12:50 pmSaint John

6h 07m

1 stop

ORD4:57 pmChicago O'Hare Intl

Sep 1

ORD3:45 pmChicago O'Hare Intl

7h 40m

1 stop

YSJ1:25 amSaint John

$558

Air Canada

Aug 28

YSJ12:50 pmSaint John

6h 07m

1 stop

ORD4:57 pmChicago O'Hare Intl

Sep 1

ORD3:45 pmChicago O'Hare Intl

7h 40m

1 stop

YSJ1:25 amSaint John

$559

United Airlines flights from Saint John to Chicago O'Hare Intl Airport

Our best United Airlines deals on Saint John to Chicago O'Hare Intl Airport flight tickets

United Airlines

Sep 5

YSJ4:40 pmSaint John

5h 25m

1 stop

ORD8:05 pmChicago O'Hare Intl

Sep 12

ORD5:00 amChicago O'Hare Intl

8h 59m

2 stops

YSJ3:59 pmSaint John

$737

United Airlines

Sep 5

YSJ4:40 pmSaint John

8h 42m

2 stops

ORD11:22 pmChicago O'Hare Intl

Sep 12

ORD6:00 amChicago O'Hare Intl

7h 59m

2 stops

YSJ3:59 pmSaint John

$743

momondo 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

Sat 9/5

5:00 am-9:00 am

1 stop6h 00m

Chicago O'Hare Intl

Sat 9/12

3:45 pm-11:51 pm

1 stop6h 06m

$537

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 8/28

12:50 pm-4:57 pm

1 stop6h 07m

Chicago O'Hare Intl

Tue 9/1

3:45 pm-1:25 am

1 stop7h 40m

$559

Quickest round-trip

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 8/28

4:40 pm-8:05 pm

1 stop5h 25m

Chicago O'Hare Intl

Mon 8/31

8:40 am-4:00 pm

1 stop5h 20m

$573

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 8/28

12:50 pm-4:57 pm

1 stop6h 07m

Chicago O'Hare Intl

Tue 9/1

3:45 pm-1:25 am

1 stop7h 40m

$602

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 8/28

12:50 pm-4:57 pm

1 stop6h 07m

Chicago O'Hare Intl

Tue 9/1

3:45 pm-1:25 am

1 stop7h 40m

$608

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Tue 9/22

5:00 am-9:00 am

1 stop6h 00m

Chicago O'Hare Intl

Sat 9/26

2:15 pm-11:51 pm

1 stop7h 36m

$626

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Tue 9/22

5:00 am-9:00 am

1 stop6h 00m

Chicago O'Hare Intl

Sat 9/26

8:50 am-11:51 pm

2 stops13h 01m

$627

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Fri 8/28

4:40 pm-8:05 pm

1 stop5h 25m

Chicago O'Hare Intl

Mon 8/31

8:40 am-4:00 pm

1 stop5h 20m

$628

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Tue 9/22

12:50 pm-8:12 pm

2 stops9h 22m

Chicago O'Hare Intl

Sat 9/26

8:50 am-11:51 pm

2 stops13h 01m

$629

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Tue 9/22

12:50 pm-8:12 pm

2 stops9h 22m

Chicago O'Hare Intl

Sat 9/26

8:50 am-11:51 pm

2 stops13h 01m

$631

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Saint John to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Saint John to Chicago O'Hare Intl?

Air Canada is the most popular carrier operating from Saint John to Chicago O'Hare Intl

When to book flights from Saint John to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Saint John to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Saint John to Chicago O'Hare Intl Airport (YSJ to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to Chicago O'Hare Intl Airport

Fastest flight time	6h 53m
Direct flights	None

The fastest flight from Saint John to Chicago O'Hare Intl Airport takes 6h 53m

There are no direct flights from Saint John to Chicago O'Hare Intl Airport. There are no popular flight routes from Saint John to Chicago O'Hare Intl Airport.

Search flight deals

Frequently asked questions about flying from Saint John to Chicago O'Hare Intl Airport

How far is Saint John to Chicago O'Hare Intl by plane?
There are 1111.2 mi between Saint John and Chicago O'Hare Intl. Flights usually cover this in 6h 53m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Saint John Airport to Chicago O'Hare Intl Airport?
Prices for flights from Saint John Airport to Chicago O'Hare Intl Airport were last updated today.
How old do you have to be to fly from Saint John Airport to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint John Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal from Saint John to Chicago?

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Can I find flights from Saint John to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Saint John with this policy.

How can momondo help me find flights from Saint John to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Saint John.

I’m not ready to book a flight from Saint John to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Saint John and alert you when they change.