When did momondo last update prices for flights from Saint John Airport to Illinois?

Prices for flights from Saint John Airport to Illinois were last updated today.

How old do you have to be to fly from Saint John Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint John Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$290 Cheap Flights from Saint John to Illinois in 2026

Find the cheapest flights from Saint John to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 am - 9:40 amYSJ Saint John-MDW Chicago Midway

24h 55m1 stop Toronto Pearson Intl

3:20 pm - 10:00 amMDW Chicago Midway-YSJ Saint John

16h 40m1 stop Toronto Island

$485Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

4:40 pm - 8:12 pmYSJ Saint John-ORD Chicago O'Hare Intl

5h 32m1 stop Montreal Pierre Elliott Trudeau Intl

8:45 am - 3:59 pmORD Chicago O'Hare Intl-YSJ Saint John

5h 14m1 stop Montreal Pierre Elliott Trudeau Intl

$537Air Canada

Thu, Sep 24 - Thu, Oct 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

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

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

$642Air 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

$645Air Canada

Tue, Sep 22 - Sat, Sep 26

11:05 am - 8:21 pmYSJ Saint John-ORD Chicago O'Hare Intl

11h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

10:05 am - 5:19 pmORD Chicago O'Hare Intl-YSJ Saint John

5h 14m1 stop Toronto Pearson Intl

$653Air Canada

Sat, Dec 5 - Wed, Dec 9

11:05 am - 8:21 pmYSJ Saint John-ORD Chicago O'Hare Intl

11h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

10:05 am - 5:19 pmORD Chicago O'Hare Intl-YSJ Saint John

5h 14m1 stop Toronto Pearson Intl

$654Air Canada

Sat, Dec 5 - Wed, Dec 9

11:05 am - 8:21 pmYSJ Saint John-ORD Chicago O'Hare Intl

11h 16m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

10:05 am - 5:19 pmORD Chicago O'Hare Intl-YSJ Saint John

5h 14m1 stop Toronto Pearson Intl

$656Air Canada

Sat, Dec 5 - Wed, Dec 9

10:45 am - 9:40 amYSJ Saint John-MDW Chicago Midway

24h 55m1 stop Toronto Pearson Intl

1:51 pm - 10:00 amMDW Chicago Midway-YSJ Saint John

18h 09m2 stops Minneapolis St Paul Toronto Pearson Intl

$663Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

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Air Canada flights from Saint John to Illinois

Our best Air Canada deals on Saint John to Illinois flight tickets

Air Canada

Sep 24

YSJ4:40 pmSaint John

5h 32m

1 stop

ORD8:12 pmChicago O'Hare Intl

Oct 1

ORD8:45 amChicago O'Hare Intl

5h 14m

1 stop

YSJ3:59 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

$608

Air Canada

Aug 28

YSJ4:40 pmSaint John

5h 25m

1 stop

ORD8:05 pmChicago O'Hare Intl

Aug 31

ORD8:40 amChicago O'Hare Intl

5h 20m

1 stop

YSJ4:00 pmSaint John

$628

United Airlines flights from Saint John to Illinois

Our best United Airlines deals on Saint John to Illinois flight tickets

United Airlines

Oct 16

YSJ4:40 pmSaint John

5h 32m

1 stop

ORD8:12 pmChicago O'Hare Intl

Oct 18

ORD5:59 amChicago O'Hare Intl

8h 00m

2 stops

YSJ3:59 pmSaint John

$943

United Airlines

Oct 16

YSJ4:40 pmSaint John

18h 20m

2 stops

ORD9:00 amChicago O'Hare Intl

Oct 18

ORD5:59 amChicago O'Hare Intl

8h 00m

2 stops

YSJ3:59 pmSaint John

$949

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnChicago

YSJ Saint John - MDW Chicago Midway

YSJMDW

Saint John

Fri 8/28

10:45 am-9:40 am

1 stop24h 55m

Chicago Midway

Tue 9/1

3:20 pm-10:00 am

1 stop16h 40m

$485

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Thu 9/24

4:40 pm-8:12 pm

1 stop5h 32m

Chicago O'Hare Intl

Thu 10/1

8:45 am-3:59 pm

1 stop5h 14m

$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

$608

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

$628

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

$642

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

$645

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Sat 12/5

11:05 am-8:21 pm

2 stops11h 16m

Chicago O'Hare Intl

Wed 12/9

10:05 am-5:19 pm

1 stop5h 14m

$653

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Sat 12/5

11:05 am-8:21 pm

2 stops11h 16m

Chicago O'Hare Intl

Wed 12/9

10:05 am-5:19 pm

1 stop5h 14m

$654

Saint JohnChicago

YSJ Saint John - ORD Chicago O'Hare Intl

YSJORD

Saint John

Sat 12/5

11:05 am-8:21 pm

2 stops11h 16m

Chicago O'Hare Intl

Wed 12/9

10:05 am-5:19 pm

1 stop5h 14m

$656

Saint JohnChicago

YSJ Saint John - MDW Chicago Midway

YSJMDW

Saint John

Fri 8/28

10:45 am-9:40 am

1 stop24h 55m

Chicago Midway

Tue 9/1

1:51 pm-10:00 am

2 stops18h 09m

$663

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Saint John to Illinois

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 Illinois?

Air Canada is the most popular carrier operating from Saint John to Illinois

Cheap Saint John to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint John to Illinois

Fastest flight time	6h 53m
Direct flights	None

The fastest flight from Saint John to Illinois takes 6h 53m

There are no direct flights from Saint John to Illinois. There are no popular flight routes from Saint John to Illinois.

Search flight deals

Frequently asked questions about flying from Saint John to Illinois

When did momondo last update prices for flights from Saint John Airport to Illinois?
Prices for flights from Saint John Airport to Illinois were last updated today.
How old do you have to be to fly from Saint John Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Saint John Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Saint John to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

All flight searches from Saint John to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Saint John and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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