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Cheap flights from Saint John to Chicago from C$ 702

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint John to Chicago departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:55 a.m. - 7:25 p.m.YSJ-ORD
9h 30m2 stops
Air Canada Logo
10:00 a.m. - 5:14 p.m.ORD-YSJ
5h 14m1 stop
C$ 702Air Canada
Find Deal
Tue, 7 Apr - Wed, 8 Apr
Air Canada Logo
11:55 a.m. - 7:25 p.m.YSJ-ORD
9h 30m2 stops
Air Canada Logo
10:00 a.m. - 5:14 p.m.ORD-YSJ
5h 14m1 stop
C$ 703Air Canada
Find Deal
Tue, 7 Apr - Thu, 9 Apr
Air Canada Logo
4:15 p.m. - 8:00 p.m.YSJ-ORD
5h 45m1 stop
Air Canada Logo
7:05 a.m. - 3:33 p.m.ORD-YSJ
6h 28m1 stop
C$ 717Air Canada
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Air Canada Logo
5:40 a.m. - 3:10 p.m.YSJ-ORD
11h 30m1 stop
Air Canada Logo
4:15 p.m. - 11:24 p.m.ORD-YSJ
5h 09m1 stop
C$ 751Air Canada
Find Deal
Tue, 7 Apr - Thu, 9 Apr
Air Canada Logo
11:55 a.m. - 7:25 p.m.YSJ-ORD
9h 30m2 stops
Air Canada Logo
8:20 p.m. - 11:20 a.m.ORD-YSJ
13h 00m2 stops
C$ 753Air Canada
Find Deal
Tue, 7 Apr - Wed, 8 Apr
Air Canada Logo
5:40 a.m. - 1:01 p.m.YSJ-ORD
9h 21m1 stop
Air Canada Logo
7:05 a.m. - 3:33 p.m.ORD-YSJ
6h 28m1 stop
C$ 760Air Canada
Find Deal
Sat, 29 Nov - Sat, 6 Dec
United Airlines Logo
4:15 p.m. - 7:45 a.m.YSJ-ORD
17h 30m2 stops
United Airlines Logo
7:05 a.m. - 3:33 p.m.ORD-YSJ
6h 28m1 stop
C$ 793United Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
4:15 p.m. - 7:45 a.m.YSJ-ORD
17h 30m2 stops
United Airlines Logo
8:15 p.m. - 10:59 a.m.ORD-YSJ
12h 44m1 stop
C$ 852United Airlines
Find Deal
Tue, 11 Nov - Wed, 19 Nov
Multiple Airlines Logo
4:15 p.m. - 11:43 p.m.YSJ-ORD
9h 28m2 stops
Multiple Airlines Logo
8:15 p.m. - 3:33 p.m.ORD-YSJ
17h 18m2 stops
C$ 868Multiple Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
4:15 p.m. - 8:56 a.m.YSJ-ORD
18h 41m2 stops
United Airlines Logo
9:05 p.m. - 3:33 p.m.ORD-YSJ
16h 28m2 stops
C$ 885United Airlines
Find Deal
Tue, 11 Nov - Wed, 19 Nov

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
7 Apr
YSJ11:55 a.m.Saint John
9h 30m
2 stops
ORD7:25 p.m.Chicago O'Hare Intl
8 Apr
ORD10:00 a.m.Chicago O'Hare Intl
5h 14m
1 stop
YSJ5:14 p.m.Saint John
C$ 702
Find similar
Air Canada
7 Apr
YSJ11:55 a.m.Saint John
9h 30m
2 stops
ORD7:25 p.m.Chicago O'Hare Intl
9 Apr
ORD10:00 a.m.Chicago O'Hare Intl
5h 14m
1 stop
YSJ5:14 p.m.Saint John
C$ 703
Find similar
Air Canada
11 Nov
YSJ4:15 p.m.Saint John
5h 45m
1 stop
ORD8:00 p.m.Chicago O'Hare Intl
18 Nov
ORD7:05 a.m.Chicago O'Hare Intl
6h 28m
1 stop
YSJ3:33 p.m.Saint John
C$ 717
Find similar

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
11 Nov
YSJ4:15 p.m.Saint John
17h 30m
2 stops
ORD7:45 a.m.Chicago O'Hare Intl
18 Nov
ORD7:05 a.m.Chicago O'Hare Intl
6h 28m
1 stop
YSJ3:33 p.m.Saint John
C$ 793
Find similar
United Airlines
11 Nov
YSJ4:15 p.m.Saint John
17h 30m
2 stops
ORD7:45 a.m.Chicago O'Hare Intl
19 Nov
ORD8:15 p.m.Chicago O'Hare Intl
12h 44m
1 stop
YSJ10:59 a.m.Saint John
C$ 852
Find similar
United Airlines
11 Nov
YSJ4:15 p.m.Saint John
18h 41m
2 stops
ORD8:56 a.m.Chicago O'Hare Intl
19 Nov
ORD9:05 p.m.Chicago O'Hare Intl
16h 28m
2 stops
YSJ3:33 p.m.Saint John
C$ 885
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint John to Chicago O'Hare Intl Airport 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, momondo users made 96,600 searches. Data last updated 16 October 2025.
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

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 7/4

11:55 a.m.-7:25 p.m.

2 stops9h 30m

Chicago O'Hare Intl

Wed 8/4

10:00 a.m.-5:14 p.m.

1 stop5h 14m

C$ 702

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 7/4

11:55 a.m.-7:25 p.m.

2 stops9h 30m

Chicago O'Hare Intl

Thu 9/4

10:00 a.m.-5:14 p.m.

1 stop5h 14m

C$ 703

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 11/11

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

1 stop5h 45m

Chicago O'Hare Intl

Tue 18/11

7:05 a.m.-3:33 p.m.

1 stop6h 28m

C$ 717

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 7/4

5:40 a.m.-3:10 p.m.

1 stop11h 30m

Chicago O'Hare Intl

Thu 9/4

4:15 p.m.-11:24 p.m.

1 stop5h 09m

C$ 751

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 7/4

11:55 a.m.-7:25 p.m.

2 stops9h 30m

Chicago O'Hare Intl

Wed 8/4

8:20 p.m.-11:20 a.m.

2 stops13h 00m

C$ 753

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Sat 29/11

5:40 a.m.-1:01 p.m.

1 stop9h 21m

Chicago O'Hare Intl

Sat 6/12

7:05 a.m.-3:33 p.m.

1 stop6h 28m

C$ 760

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 11/11

4:15 p.m.-7:45 a.m.

2 stops17h 30m

Chicago O'Hare Intl

Tue 18/11

7:05 a.m.-3:33 p.m.

1 stop6h 28m

C$ 793

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 11/11

4:15 p.m.-7:45 a.m.

2 stops17h 30m

Chicago O'Hare Intl

Wed 19/11

8:15 p.m.-10:59 a.m.

1 stop12h 44m

C$ 852

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 11/11

4:15 p.m.-11:43 p.m.

2 stops9h 28m

Chicago O'Hare Intl

Tue 18/11

8:15 p.m.-3:33 p.m.

2 stops17h 18m

C$ 868

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 11/11

4:15 p.m.-8:56 a.m.

2 stops18h 41m

Chicago O'Hare Intl

Wed 19/11

9:05 p.m.-3:33 p.m.

2 stops16h 28m

C$ 885

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights

None
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.
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  • How far is Saint John to Chicago O'Hare Intl by plane?

    Saint John and Chicago O'Hare Intl are 1788.2 km apart from one another. By plane, this route typically takes 5h 45m.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Saint John to Chicago O'Hare Intl Airport?

    Price Alerts will notify you by email when the price for flights to Chicago O'Hare Intl Airport from Saint John decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Saint John to Chicago O'Hare Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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 all potential Saint John to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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Of course. momondo tracks the price of Saint John to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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