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.

$333 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.

11:05 am - 8:16 pm

YSJ

ORD

11h 11m

2 stops

4:00 pm - 11:54 pm

ORD

YSJ

5h 54m

1 stop

$536Air Canada

Mon, Dec 7 - Wed, Dec 9

11:05 am - 8:16 pm

YSJ

ORD

11h 11m

2 stops

4:00 pm - 11:54 pm

ORD

YSJ

5h 54m

1 stop

$537Air Canada

Mon, Dec 7 - Wed, Dec 9

11:40 am - 5:28 pm

YSJ

ORD

7h 48m

1 stop

4:00 pm - 11:54 pm

ORD

YSJ

5h 54m

1 stop

$540Air Canada

Mon, Dec 7 - Wed, Dec 9

11:40 am - 5:28 pm

YSJ

ORD

7h 48m

1 stop

4:00 pm - 11:54 pm

ORD

YSJ

5h 54m

1 stop

$541Air Canada

Mon, Dec 7 - Wed, Dec 9

11:40 am - 5:28 pm

YSJ

ORD

7h 48m

1 stop

4:00 pm - 11:54 pm

ORD

YSJ

5h 54m

1 stop

$542Air Canada

Mon, Dec 7 - Wed, Dec 9

4:40 pm - 8:05 pm

YSJ

ORD

5h 25m

1 stop

8:45 am - 3:45 pm

ORD

YSJ

5h 00m

1 stop

$555Air Canada

Tue, Jul 21 - Sun, Jul 26

5:00 am - 9:00 am

YSJ

ORD

6h 00m

1 stop

8:45 am - 3:49 pm

ORD

YSJ

5h 04m

1 stop

$560Air Canada

Fri, Jul 17 - Mon, Jul 20

4:40 pm - 8:05 pm

YSJ

ORD

5h 25m

1 stop

8:40 am - 4:00 pm

ORD

YSJ

5h 20m

1 stop

$562Air Canada

Tue, Aug 4 - Tue, Aug 11

6:55 am - 2:35 pm

YSJ

MDW

9h 40m

2 stops

10:20 am - 11:15 pm

MDW

YSJ

10h 55m

2 stops

$855Multiple Airlines

Tue, Aug 4 - Tue, Aug 11

6:55 am - 9:40 am

YSJ

MDW

28h 45m

2 stops

9:59 am - 10:00 am

MDW

YSJ

22h 01m

3 stops

$935Multiple Airlines

Tue, Aug 4 - Tue, Aug 11

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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

Dec 7

YSJ11:05 amSaint John

11h 11m

2 stops

ORD8:16 pmChicago O'Hare Intl

Dec 9

ORD4:00 pmChicago O'Hare Intl

5h 54m

1 stop

YSJ11:54 pmSaint John

$536

Air Canada

Dec 7

YSJ11:40 amSaint John

7h 48m

1 stop

ORD5:28 pmChicago O'Hare Intl

Dec 9

ORD4:00 pmChicago O'Hare Intl

5h 54m

1 stop

YSJ11:54 pmSaint John

$540

Air Canada

Dec 7

YSJ11:40 amSaint John

7h 48m

1 stop

ORD5:28 pmChicago O'Hare Intl

Dec 9

ORD4:00 pmChicago O'Hare Intl

5h 54m

1 stop

YSJ11:54 pmSaint John

$541

United Airlines flights from Saint John to Illinois

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

United Airlines

Aug 4

YSJ4:40 pmSaint John

5h 25m

1 stop

ORD8:05 pmChicago O'Hare Intl

Aug 11

ORD9:39 pmChicago O'Hare Intl

16h 21m

2 stops

YSJ4:00 pmSaint John

$615

United Airlines

Aug 26

YSJ5:00 amSaint John

6h 00m

1 stop

ORD9:00 amChicago O'Hare Intl

Aug 30

ORD6:00 amChicago O'Hare Intl

8h 00m

2 stops

YSJ4:00 pmSaint John

$619

United Airlines

Aug 26

YSJ4:40 pmSaint John

19h 05m

2 stops

ORD9:45 amChicago O'Hare Intl

Aug 30

ORD6:00 amChicago O'Hare Intl

8h 00m

2 stops

YSJ4:00 pmSaint John

$620

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Mon 12/7

11:05 am-8:16 pm

2 stops11h 11m

Chicago O'Hare Intl

Wed 12/9

4:00 pm-11:54 pm

1 stop5h 54m

$536

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Mon 12/7

11:05 am-8:16 pm

2 stops11h 11m

Chicago O'Hare Intl

Wed 12/9

4:00 pm-11:54 pm

1 stop5h 54m

$537

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Mon 12/7

11:40 am-5:28 pm

1 stop7h 48m

Chicago O'Hare Intl

Wed 12/9

4:00 pm-11:54 pm

1 stop5h 54m

$540

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Mon 12/7

11:40 am-5:28 pm

1 stop7h 48m

Chicago O'Hare Intl

Wed 12/9

4:00 pm-11:54 pm

1 stop5h 54m

$541

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Mon 12/7

11:40 am-5:28 pm

1 stop7h 48m

Chicago O'Hare Intl

Wed 12/9

4:00 pm-11:54 pm

1 stop5h 54m

$542

Quickest round-trip

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 7/21

4:40 pm-8:05 pm

1 stop5h 25m

Chicago O'Hare Intl

Sun 7/26

8:45 am-3:45 pm

1 stop5h 00m

$555

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Fri 7/17

5:00 am-9:00 am

1 stop6h 00m

Chicago O'Hare Intl

Mon 7/20

8:45 am-3:49 pm

1 stop5h 04m

$560

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 8/4

4:40 pm-8:05 pm

1 stop5h 25m

Chicago O'Hare Intl

Tue 8/11

8:40 am-4:00 pm

1 stop5h 20m

$562

Saint JohnChicago

YSJ - MDW

YSJMDW

Saint John

Tue 8/4

6:55 am-2:35 pm

2 stops9h 40m

Chicago Midway

Tue 8/11

10:20 am-11:15 pm

2 stops10h 55m

$855

Saint JohnChicago

YSJ - MDW

YSJMDW

Saint John

Tue 8/4

6:55 am-9:40 am

2 stops28h 45m

Chicago Midway

Tue 8/11

9:59 am-10:00 am

3 stops22h 01m

$935

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 and United Airlines are the most popular carriers 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	5h 25m
Direct flights	None

The fastest flight from Saint John to Illinois takes 5h 25m

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.