How do I get Price Alerts for flights from Saint John to Illinois?

Price Alerts will notify you by email when the price for flights to Illinois 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 Illinois with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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.

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.

$457 Cheap Flights from Saint John to Illinois in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Saint John to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 am - 2:55 pm

YSJ

ORD

5h 00m1 stop

4:15 pm - 11:52 pm

ORD

YSJ

5h 37m1 stop

$503Air Canada

Tue, Apr 14 - Wed, Apr 15

11:55 am - 2:55 pm

YSJ

ORD

5h 00m1 stop

4:15 pm - 11:52 pm

ORD

YSJ

5h 37m1 stop

$504Air Canada

Tue, Apr 14 - Wed, Apr 15

11:55 am - 5:45 pm

YSJ

ORD

7h 50m2 stops

4:15 pm - 11:52 pm

ORD

YSJ

5h 37m1 stop

$510Air Canada

Tue, Apr 14 - Wed, Apr 15

11:55 am - 7:25 pm

YSJ

ORD

9h 30m2 stops

4:15 pm - 11:52 pm

ORD

YSJ

5h 37m1 stop

$511Air Canada

Tue, Apr 14 - Wed, Apr 15

11:55 am - 7:25 pm

YSJ

ORD

9h 30m2 stops

8:20 pm - 11:10 am

ORD

YSJ

12h 50m2 stops

$556Air Canada

Tue, Apr 14 - Wed, Apr 15

11:55 am - 9:33 pm

YSJ

ORD

11h 38m2 stops

12:59 pm - 11:52 pm

ORD

YSJ

8h 53m2 stops

$562Air Canada

Tue, Apr 14 - Wed, Apr 15

Air Canada flights from Saint John to Illinois

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

Air Canada

Apr 14

YSJ11:55 amSaint John

5h 00m

1 stop

ORD2:55 pmChicago O'Hare Intl

Apr 15

ORD4:15 pmChicago O'Hare Intl

5h 37m

1 stop

YSJ11:52 pmSaint John

$503

Find similar

Air Canada

Apr 14

YSJ11:55 amSaint John

5h 00m

1 stop

ORD2:55 pmChicago O'Hare Intl

Apr 15

ORD4:15 pmChicago O'Hare Intl

5h 37m

1 stop

YSJ11:52 pmSaint John

$504

Find similar

Air Canada

Apr 14

YSJ11:55 amSaint John

7h 50m

2 stops

ORD5:45 pmChicago O'Hare Intl

Apr 15

ORD4:15 pmChicago O'Hare Intl

5h 37m

1 stop

YSJ11:52 pmSaint John

$510

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 4/14

11:55 am-2:55 pm

1 stop5h 00m

Chicago O'Hare Intl

Wed 4/15

4:15 pm-11:52 pm

1 stop5h 37m

$503

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 4/14

11:55 am-2:55 pm

1 stop5h 00m

Chicago O'Hare Intl

Wed 4/15

4:15 pm-11:52 pm

1 stop5h 37m

$504

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 4/14

11:55 am-5:45 pm

2 stops7h 50m

Chicago O'Hare Intl

Wed 4/15

4:15 pm-11:52 pm

1 stop5h 37m

$510

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 4/14

11:55 am-7:25 pm

2 stops9h 30m

Chicago O'Hare Intl

Wed 4/15

4:15 pm-11:52 pm

1 stop5h 37m

$511

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 4/14

11:55 am-7:25 pm

2 stops9h 30m

Chicago O'Hare Intl

Wed 4/15

8:20 pm-11:10 am

2 stops12h 50m

$556

Saint JohnChicago

YSJ - ORD

YSJORD

Saint John

Tue 4/14

11:55 am-9:33 pm

2 stops11h 38m

Chicago O'Hare Intl

Wed 4/15

12:59 pm-11:52 pm

2 stops8h 53m

$562

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 55m
Direct flights	None

The fastest flight from Saint John to Illinois takes 5h 55m

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

Search flight deals

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.

How do I get Price Alerts for flights from Saint John to Illinois?
Price Alerts will notify you by email when the price for flights to Illinois 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 Illinois with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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.

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.